Adding 'full' tests

 * Killing test suites (you can run tests by package)
 * Introduced categories to run certain tests only on 'light'/'full'

.gitignore

@@ -3,3 +3,5 @@
 /hotspot
 build
 *.iml
+hs_err*
+core

build.gradle

@@ -148,6 +148,8 @@ project('dcevm') {
     test {
         executable new File(targetJreFile, 'bin/java')
 
+        systemProperty 'dcevm.test.light', (flavor == 'light')
+
         if (kind == 'fastdebug') {
             jvmArgs '-XX:LogFile=build/hotspot.log'
         }
@@ -160,7 +162,9 @@ project('dcevm') {
 
         ignoreFailures = true
         outputs.upToDateWhen { false }
-        exclude '**/*Suite.class'
+        useJUnit {
+            excludeCategories ('com.github.dcevm.test.category.' + (flavor == 'light' ? 'Full' : 'Light'))
+        }
     }
 
     test.dependsOn project(':hotspot').tasks[kind == 'fastdebug' ? 'installFastdebug' : 'installProduct']

dcevm/src/test/java7/com/github/dcevm/test/eval/EvalTestSuite.java → dcevm/src/main/java/com/github/dcevm/FieldRedefinitionPolicy.java

@@ -21,22 +21,17 @@
  * questions.
  *
  */
+package com.github.dcevm;
 
-package com.github.dcevm.test.eval;
-
-import org.junit.runner.RunWith;
-import org.junit.runners.Suite;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 
 /**
- * Tests used for evaluation purposes (especially performance measurements).
  *
  * @author Thomas Wuerthinger
  */
-@RunWith(Suite.class)
-@Suite.SuiteClasses({
-        FractionTest.class,
-        GeometryScenario.class,
-        AddingInterfaceTest.class
-})
-public class EvalTestSuite {
+@Retention(RetentionPolicy.CLASS)
+public @interface FieldRedefinitionPolicy {
+
+    RedefinitionPolicy value();
 }

dcevm/src/test/java7/com/github/dcevm/test/structural/StructuralTestSuite.java → dcevm/src/main/java/com/github/dcevm/MethodRedefinitionPolicy.java

@@ -22,24 +22,17 @@
  *
  */
 
-package com.github.dcevm.test.structural;
+package com.github.dcevm;
 
-import org.junit.runner.RunWith;
-import org.junit.runners.Suite;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 
 /**
- * Class redefinition tests that do arbitrary structural changes.
- * <p/>
- * TODO: Add a test where redefinition triggers classloading (e.g. because a super type is not yet loaded).
  *
  * @author Thomas Wuerthinger
  */
-@RunWith(Suite.class)
-@Suite.SuiteClasses({
-        RedefineClassClassTest.class,
-        RedefineObjectClassTest.class,
-        InterfaceTest.class,
-        ThisTypeChange.class
-})
-public class StructuralTestSuite {
+@Retention(RetentionPolicy.CLASS)
+public @interface MethodRedefinitionPolicy {
+    RedefinitionPolicy value();
+
 }

dcevm/src/test/java7/com/github/dcevm/test/fields/FieldsTestSuite.java → dcevm/src/main/java/com/github/dcevm/RedefinitionPolicy.java

@@ -22,28 +22,15 @@
  *
  */
 
-package com.github.dcevm.test.fields;
-
-import org.junit.runner.RunWith;
-import org.junit.runners.Suite;
+package com.github.dcevm;
 
 /**
- * Class redefinition tests that may change the methods and fields of class, but do not change the superklass or the implemented
- * interface.
  *
  * @author Thomas Wuerthinger
  */
-@RunWith(Suite.class)
-@Suite.SuiteClasses({
-        FieldChangedOrderTest.class,
-        FieldModificationTest.class,
-        ObjectStressTest.class,
-        YieldTest.class,
-        ComplexFieldTest.class,
-        FieldAlignmentTest.class,
-        StringFieldTest.class,
-        RedefinePrivateFieldTest.class,
-        EnumTest.class
-})
-public class FieldsTestSuite {
+public enum RedefinitionPolicy {
+    StaticCheck,
+    DynamicCheck,
+    AccessDeletedMembers,
+    AccessOldMembers
 }

dcevm/src/main/java/com/github/dcevm/TestClassAdapter.java

@@ -23,9 +23,9 @@
  */
 package com.github.dcevm;
 
-import org.objectweb.asm.ClassVisitor;
-import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.*;
 import org.objectweb.asm.commons.Remapper;
+import org.objectweb.asm.commons.RemappingAnnotationAdapter;
 import org.objectweb.asm.commons.RemappingClassAdapter;
 import org.objectweb.asm.commons.RemappingMethodAdapter;
 
@@ -79,8 +79,7 @@ public class TestClassAdapter extends RemappingClassAdapter {
     protected MethodVisitor createRemappingMethodAdapter(
             int access,
             String newDesc,
-            MethodVisitor mv)
-    {
+            MethodVisitor mv) {
         return new RemappingMethodAdapter(access, newDesc, mv, remapper) {
             @Override
             public void visitMethodInsn(int opcode, String owner, String name, String desc) {
@@ -97,5 +96,40 @@ public class TestClassAdapter extends RemappingClassAdapter {
         int pos = name.indexOf(METHOD_SUFFIX);
         return (pos != -1) ? name.substring(0, pos) : name;
     }
+
+    @Override
+    public AnnotationVisitor visitAnnotation(final String desc, final boolean visible) {
+        AnnotationVisitor av = super.visitAnnotation(remapper.mapDesc(desc), visible);
+        return av == null ? null : new RemappingAnnotationAdapter(av, remapper) {
+            @Override
+            public void visitEnum(String name, String enumDesc, String value) {
+                if (Type.getType(enumDesc).getClassName().equals(RedefinitionPolicy.class.getName())) {
+                    RedefinitionPolicy valueAsEnum = RedefinitionPolicy.valueOf(value);
+                    if (Type.getType(desc).getClassName().equals(FieldRedefinitionPolicy.class.getName())) {
+                        cv.visitAttribute(new SingleByteAttribute(FieldRedefinitionPolicy.class.getSimpleName(), (byte) valueAsEnum.ordinal()));
+                    }
+                    if (Type.getType(desc).getClassName().equals(MethodRedefinitionPolicy.class.getName())) {
+                        cv.visitAttribute(new SingleByteAttribute(MethodRedefinitionPolicy.class.getSimpleName(), (byte) valueAsEnum.ordinal()));
+                    }
+                }
+                super.visitEnum(name, desc, value);
+            }
+        };
+    }
+
+    private static class SingleByteAttribute extends Attribute {
+        private byte value;
+
+        public SingleByteAttribute(String name, byte value) {
+            super(name);
+            this.value = value;
+        }
+
+        @Override
+        protected ByteVector write(ClassWriter writer, byte[] code, int len, int maxStack, int maxLocals) {
+            return new ByteVector().putByte(value);
+        }
+    }
+
 }
 

dcevm/src/test/java7/com/github/dcevm/test/LightTestSuite.java

@@ -1,49 +0,0 @@
-/*
- * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-package com.github.dcevm.test;
-
-import com.github.dcevm.test.body.BodyTestSuite;
-import com.github.dcevm.test.eval.EvalTestSuite;
-import com.github.dcevm.test.fields.FieldsTestSuite;
-import com.github.dcevm.test.methods.MethodsTestSuite;
-import com.github.dcevm.test.structural.StructuralTestSuite;
-import org.junit.runner.RunWith;
-import org.junit.runners.Suite;
-
-/**
- * Summarizes all available test suites.
- *
- * @author Thomas Wuerthinger
- */
-@RunWith(Suite.class)
-@Suite.SuiteClasses({
-        BodyTestSuite.class,
-        EvalTestSuite.class,
-        MethodsTestSuite.class,
-        FieldsTestSuite.class,
-        StructuralTestSuite.class
-})
-public class LightTestSuite {
-}

dcevm/src/test/java7/com/github/dcevm/test/TestUtil.java

@@ -33,8 +33,7 @@ import com.github.dcevm.HotSwapTool;
  * @author Thomas Wuerthinger
  */
 public class TestUtil {
-
-    public static final boolean LIGHT = true;
+    public static final boolean LIGHT = Boolean.getBoolean("dcevm.test.light");
 
     public static int assertException(Class exceptionClass, Runnable run) {
 
@@ -63,15 +62,6 @@ public class TestUtil {
         return assertException(UnsupportedOperationException.class, run);
     }
 
-    public static void assertUnsupportedToVersion(final Class clazz, final int version) {
-        TestUtil.assertUnsupported(new Runnable() {
-            @Override
-            public void run() {
-                HotSwapTool.toVersion(clazz, version);
-            }
-        });
-    }
-
     public static void assertUnsupportedToVersionWithLight(final Class clazz, final int version) {
         TestUtil.assertUnsupportedWithLight(new Runnable() {
             @Override

dcevm/src/test/java7/com/github/dcevm/test/body/BodyTestSuite.java

@@ -1,53 +0,0 @@
-/*
- * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-package com.github.dcevm.test.body;
-
-import org.junit.runner.RunWith;
-import org.junit.runners.Suite;
-
-/**
- * Class redefinition tests that swap only method bodies and change nothing else. This test cases should also
- * run with the current version of HotSpot.
- *
- * @author Thomas Wuerthinger
- */
-@RunWith(Suite.class)
-@Suite.SuiteClasses(
-        {
-                StaticTest.class,
-                SimpleStaticTest.class,
-                MultipleThreadsTest.class,
-                OldActivationTest.class,
-                RefactorActiveMethodTest.class,
-                StressTest.class,
-                FacTest.class,
-                FibTest.class,
-                RedefinePrivateMethodTest.class,
-                ClassRenamingTestCase.class,
-                EMCPTest.class,
-                ArrayTest.class
-        })
-public class BodyTestSuite {
-}

dcevm/src/test/java7/com/github/dcevm/test/body/StaticTest.java

@@ -30,9 +30,9 @@ import org.junit.Test;
 import java.util.ArrayList;
 import java.util.List;
 
-import static junit.framework.Assert.assertNull;
 import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
 import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
+import static junit.framework.Assert.assertNull;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 

dcevm/src/test/java7/com/github/dcevm/test/category/Full.java

@@ -0,0 +1,7 @@
+package com.github.dcevm.test.category;
+
+/**
+ * Tests which are only supported by full flavor of DCEVM.
+ */
+public interface Full {
+}

dcevm/src/test/java7/com/github/dcevm/test/category/Light.java

@@ -0,0 +1,8 @@
+package com.github.dcevm.test.category;
+
+/**
+ * Tests which are only supported by light flavor of DCEVM (for example, tests verifying certain
+ * operation is prohibited on light flavor).
+ */
+public interface Light {
+}

dcevm/src/test/java7/com/github/dcevm/test/fields/AccessDeletedFieldTest.java

@@ -0,0 +1,193 @@
+/*
+ * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+package com.github.dcevm.test.fields;
+
+import com.github.dcevm.test.TestUtil;
+import org.junit.Before;
+import org.junit.Test;
+
+import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
+import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Tests for accessing a deleted field. In the first scenario, the field is deleted from the class.
+ * In the second scenario, it is deleted because of a changed subtype relationship.
+ *
+ * @author Thomas Wuerthinger
+ */
+public class AccessDeletedFieldTest {
+
+    @Before
+    public void setUp() throws Exception {
+        __toVersion__(0);
+    }
+
+    // Version 0
+    public static class A {
+
+        public int x;
+
+        int getFieldInOldCode() {
+            
+            __toVersion__(1);
+
+            // This field does no longer exist
+            return x;
+        }
+    }
+
+    public static class B extends A {
+    }
+
+    // Version 1
+    public static class A___1 {
+    }
+
+    // Version 2
+    public static class B___2 {
+    }
+
+    // Method to enforce cast (otherwise bytecodes become invalid in version 2)
+    public static A convertBtoA(Object b) {
+        return (A) b;
+    }
+
+    @Test
+    public void testOldCodeAccessesDeletedField() {
+
+        assert __version__() == 0;
+
+        final A a = new A();
+        a.x = 1;
+
+        TestUtil.assertException(NoSuchFieldError.class, new Runnable() {
+          @Override
+          public void run() {
+            assertEquals(0, a.getFieldInOldCode());
+          }
+        });
+
+        assert __version__() == 1;
+        __toVersion__(0);
+        assertEquals(0, a.x);
+    }
+
+    @Test
+    public void testAccessDeletedField() {
+
+        assert __version__() == 0;
+
+        final A a = new A();
+        a.x = 1;
+
+        assertEquals(1, a.x);
+
+        __toVersion__(1);
+
+        TestUtil.assertException(NoSuchFieldError.class, new Runnable() {
+            @Override
+            public void run() {
+                System.out.println(a.x);
+            }
+        });
+
+        __toVersion__(0);
+        assertEquals(0, a.x);
+    }
+
+    @Test
+    public void testAccessDeleteBaseClassFieldNormal() {
+
+        __toVersion__(0);
+        assert __version__() == 0;
+        final B b = new B();
+        b.x = 1;
+        final A a = new A();
+        a.x = 2;
+
+        assertEquals(1, b.x);
+        assertEquals(2, a.x);
+
+        __toVersion__(2);
+
+        TestUtil.assertException(NoSuchFieldError.class, new Runnable() {
+
+            @Override
+            public void run() {
+                System.out.println(b.x);
+            }
+        });
+
+        assertEquals(2, a.x);
+
+        __toVersion__(0);
+        assertEquals(0, b.x);
+    }
+
+    @Test
+    public void testAccessDeleteBaseClassFieldInvalid() {
+
+        __toVersion__(0);
+        assert __version__() == 0;
+        final B b = new B();
+        final A a1 = new A();
+        a1.x = 1;
+        b.x = 1;
+
+        __toVersion__(2);
+
+        TestUtil.assertException(NoSuchFieldError.class, new Runnable() {
+
+            @Override
+            public void run() {
+                System.out.println(b.x);
+            }
+        });
+
+        assertEquals(1, a1.x);
+
+        __toVersion__(0);
+        assertEquals(0, b.x);
+        assertEquals(1, a1.x);
+
+        A a = convertBtoA(b);
+
+        assertEquals(0, b.x);
+
+        // Must fail, because now an instance of B is in a local variable of type A!
+        TestUtil.assertException(UnsupportedOperationException.class, new Runnable() {
+
+            @Override
+            public void run() {
+                __toVersion__(2);
+            }
+        });
+
+        assertEquals(0, a.x);
+
+        // Still at version 0
+        assert __version__() == 0;
+    }
+}

dcevm/src/test/java7/com/github/dcevm/test/fields/AccessDeletedStaticFieldTest.java

@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+package com.github.dcevm.test.fields;
+
+import com.github.dcevm.test.TestUtil;
+import org.junit.Before;
+import org.junit.Test;
+
+import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
+import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Tests for accessing a deleted static field.
+ *
+ * @author Thomas Wuerthinger
+ */
+public class AccessDeletedStaticFieldTest {
+
+    @Before
+    public void setUp() throws Exception {
+        __toVersion__(0);
+    }
+
+    // Version 0
+    public static class A {
+
+        public static int x;
+
+        static int getFieldInOldCode() {
+            
+            __toVersion__(1);
+
+            newMethodFromOldCode();
+
+            // This field does no longer exist
+            return x;
+        }
+
+        static int getFieldEMCPMethod() {
+            __toVersion__(2);
+            return A.x;
+        }
+    }
+
+    // Version 1
+    public static class A___1 {
+    }
+
+    // Version 2
+
+    public static class A___2 {
+
+        // EMCP to method in version 0
+        static int getFieldEMCPMethod() {
+            __toVersion__(2);
+            return A.x;
+        }
+    }
+
+    private static void newMethodFromOldCode() {
+        TestUtil.assertException(NoSuchFieldError.class, new Runnable() {
+          @Override
+          public void run() {
+            System.out.println(A.x);
+          }
+        });
+    }
+
+    @Test
+    public void testAccessDeletedStaticField() {
+
+        assert __version__() == 0;
+
+        A.x = 1;
+        assertEquals(1, A.getFieldInOldCode());
+
+        assert __version__() == 1;
+        __toVersion__(0);
+        assertEquals(0, A.x);
+        
+        assert __version__() == 0;
+    }
+
+
+    @Test
+    public void testAccessDeletedStaticFieldFromEMCPMethod() {
+
+        assert __version__() == 0;
+        TestUtil.assertException(NoSuchFieldError.class, new Runnable() {
+            @Override
+            public void run() {
+                System.out.println(A.getFieldEMCPMethod());
+            }
+        });
+        
+        __toVersion__(0);
+        assertEquals(0, A.x);
+
+        assert __version__() == 0;
+    }
+}

dcevm/src/test/java7/com/github/dcevm/test/methods/AnnotationTest.java

@@ -26,7 +26,11 @@ package com.github.dcevm.test.methods;
 import org.junit.Before;
 import org.junit.Test;
 
-import java.lang.annotation.*;
+import java.lang.annotation.Annotation;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
 

dcevm/src/test/java7/com/github/dcevm/test/methods/CallDeletedInterfaceMethodTest.java

@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+package com.github.dcevm.test.methods;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
+import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Test case that calls an interface method that was deleted through class redefinition.
+ *
+ * @author Thomas Wuerthinger
+ */
+public class CallDeletedInterfaceMethodTest {
+
+    @Before
+    public void setUp() throws Exception {
+        __toVersion__(0);
+    }
+
+    // Version 0
+    public static interface I {
+        public int foo();
+    }
+
+    public static class A implements I {
+        @Override
+        public int foo() {
+            return 1;
+        }
+    }
+
+    public static class Helper {
+        public static int process(I i) {
+            __toVersion__(1);
+            return i.foo();
+        }
+    }
+
+    // Version 1
+    public static interface I___1 {
+        
+    }
+
+    public static class Helper___1 {
+        public static int process(I i) {
+            return 2;
+        }
+    }
+
+    @Test
+    public void testOldCodeCallsDeletedInterfaceMethod() {
+
+        assert __version__() == 0;
+        A a = new A();
+
+        assertEquals(1, Helper.process(a));
+        assert __version__() == 1;
+        assertEquals(2, Helper.process(a));
+
+        __toVersion__(0);
+
+        assertEquals(1, Helper.process(a));
+        assert __version__() == 1;
+        assertEquals(2, Helper.process(a));
+
+        __toVersion__(0);
+    }
+}

dcevm/src/test/java7/com/github/dcevm/test/methods/CallDeletedMethodTest.java

@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+package com.github.dcevm.test.methods;
+
+import com.github.dcevm.MethodRedefinitionPolicy;
+import com.github.dcevm.RedefinitionPolicy;
+import junit.framework.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
+import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Test case that calls a virtual method that was deleted through class redefinition.
+ *
+ * @author Thomas Wuerthinger
+ */
+public class CallDeletedMethodTest {
+
+    @Before
+    public void setUp() throws Exception {
+        __toVersion__(0);
+    }
+
+    // Version 0
+    public static class A {
+
+        public int value() {
+            return 5;
+        }
+
+        public int oldMethod() {
+            __toVersion__(1);
+            return deletedMethod();
+        }
+
+        public int deletedMethod() {
+            return 1;
+        }
+    }
+
+    // Version 1
+    @MethodRedefinitionPolicy(RedefinitionPolicy.AccessDeletedMembers)
+    public static class A___1 {
+
+        public int oldMethod() {
+            return 2;
+        }
+    }
+
+    @Test
+    public void testOldCodeCallsDeletedMethod() {
+
+        assert __version__() == 0;
+        A a = new A();
+
+        assertEquals(1, a.oldMethod());
+        assert __version__() == 1;
+        assertEquals(2, a.oldMethod());
+
+        __toVersion__(0);
+
+        assertEquals(1, a.oldMethod());
+        assert __version__() == 1;
+        assertEquals(2, a.oldMethod());
+
+        __toVersion__(0);
+    }
+
+    @Test
+    public void testNewCodeCallsDeletedMethod() {
+
+        assert __version__() == 0;
+
+        A a = new A();
+        assertEquals(5, a.value());
+        
+        __toVersion__(1);
+
+        try {
+            a.value();
+            Assert.fail("NoSuchMethodError exception must be thrown!");
+        } catch (NoSuchMethodError e) {
+            // Expected exception
+        }
+
+        __toVersion__(0);
+        assertEquals(5, a.value());
+    }
+}

dcevm/src/test/java7/com/github/dcevm/test/methods/ClassReflectionTest.java

@@ -24,8 +24,8 @@
 
 package com.github.dcevm.test.methods;
 
-import junit.framework.Assert;
 import com.github.dcevm.test.TestUtil;
+import junit.framework.Assert;
 import org.junit.Before;
 import org.junit.Test;
 

dcevm/src/test/java7/com/github/dcevm/test/methods/DeleteActiveMethodTest.java

@@ -1,159 +1,169 @@
-/*
- * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-package com.github.dcevm.test.methods;
-
-import junit.framework.Assert;
-import com.github.dcevm.test.TestUtil;
-import org.junit.Before;
-import org.junit.Test;
-
-import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
-import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
-import static org.junit.Assert.assertEquals;
-
-/**
- * Test cases that delete a method that is currently active on the stack.
- *
- * @author Thomas Wuerthinger
- */
-public class DeleteActiveMethodTest {
-
-    @Before
-    public void setUp() throws Exception {
-        __toVersion__(0);
-    }
-
-    // Version 0
-    public static class A {
-
-        boolean firstCall;
-
-        public int value() {
-            firstCall = true;
-            return helperValue();
-        }
-
-        public int helperValue() {
-
-            if (!firstCall) {
-                return -1;
-            }
-            firstCall = false;
-
-            Thread t = new Thread(new Runnable() {
-
-                @Override
-                public void run() {
-                    __toVersion__(1);
-                }
-            });
-            t.start();
-
-            try {
-                do {
-                    this.helperValue();
-                } while (t.isAlive());
-                this.helperValue();
-                Assert.fail("Exception expected!");
-            } catch (NoSuchMethodError e) {
-            }
-
-            try {
-                t.join();
-            } catch (InterruptedException e) {
-            }
-
-            return 1;
-        }
-    }
-
-    public static class B {
-
-        public int fac(int x) {
-            if (x == 0) {
-                __toVersion__(1);
-            }
-
-            return x * fac(x - 1);
-        }
-    }
-
-    // Version 1
-    public static class A___1 {
-
-        boolean firstCall;
-
-        public int value() {
-            __toVersion__(0);
-            return 2;
-        }
-    }
-
-    public static class B___1 {
-    }
-
-    @Test
-    public void testDeleteActiveMethodSimple() {
-        assert __version__() == 0;
-
-        final B b = new B();
-        TestUtil.assertException(NoSuchMethodError.class, new Runnable() {
-            @Override
-            public void run() {
-                b.fac(5);
-            }
-        });
-
-        assert __version__() == 1;
-
-        __toVersion__(0);
-        assert __version__() == 0;
-    }
-
-    @Test
-    public void testDeleteActiveMethod() {
-        assert __version__() == 0;
-
-        A a = new A();
-
-        assertEquals(1, a.value());
-        assert __version__() == 1;
-
-        assertEquals(2, a.value());
-        assert __version__() == 0;
-
-        assertEquals(1, a.value());
-        assert __version__() == 1;
-
-        assertEquals(2, a.value());
-        assert __version__() == 0;
-
-        assertEquals(1, a.value());
-        assert __version__() == 1;
-
-        assertEquals(2, a.value());
-        assert __version__() == 0;
-    }
-}
+/*
+ * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+package com.github.dcevm.test.methods;
+
+import static org.junit.Assert.assertEquals;
+
+import com.github.dcevm.MethodRedefinitionPolicy;
+import com.github.dcevm.RedefinitionPolicy;
+import com.github.dcevm.test.TestUtil;
+import junit.framework.Assert;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
+import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
+
+/**
+ * Test cases that delete a method that is currently active on the stack.
+ *
+ * @author Thomas Wuerthinger
+ */
+public class DeleteActiveMethodTest {
+
+    @Before
+    public void setUp() throws Exception {
+        __toVersion__(0);
+    }
+
+    // Version 0
+    public static class A {
+
+        boolean firstCall;
+
+        public int value() {
+            firstCall = true;
+            return helperValue();
+        }
+
+        public int helperValue() {
+
+            if (!firstCall) {
+                return -1;
+            }
+            firstCall = false;
+
+            Thread t = new Thread(new Runnable() {
+
+                @Override
+                public void run() {
+                    __toVersion__(1);
+                }
+            });
+            t.start();
+
+            try {
+                while (t.isAlive()) {
+                    try {
+                        this.helperValue();
+                        Thread.sleep(500);
+                    } catch (InterruptedException e) {
+                    }
+                    helperValue();
+                }
+                Assert.fail("Exception expected!");
+            } catch (NoSuchMethodError e) {
+            }
+
+            try {
+                t.join();
+            } catch (InterruptedException e) {
+            }
+
+            return 1;
+        }
+    }
+
+    public static class B {
+
+        public int fac(int x) {
+            if (x == 0) {
+                __toVersion__(1);
+            }
+
+            return x * fac(x - 1);
+        }
+    }
+
+    // Version 1
+    @MethodRedefinitionPolicy(RedefinitionPolicy.DynamicCheck)
+    public static class A___1 {
+
+        boolean firstCall;
+
+        public int value() {
+            __toVersion__(0);
+            return 2;
+        }
+    }
+
+    @MethodRedefinitionPolicy(RedefinitionPolicy.DynamicCheck)
+    public static class B___1 {
+    }
+
+    @Test
+    public void testDeleteActiveMethodSimple() {
+        assert __version__() == 0;
+
+        final B b = new B();
+        TestUtil.assertException(NoSuchMethodError.class, new Runnable() {
+            @Override
+            public void run() {
+                b.fac(5);
+            }
+        });
+       
+        assert __version__() == 1;
+        
+        __toVersion__(0);
+        assert __version__() == 0;
+    }
+
+    @Test
+    public void testDeleteActiveMethod() {
+        assert __version__() == 0;
+
+        A a = new A();
+
+        assertEquals(1, a.value());
+        assert __version__() == 1;
+
+        assertEquals(2, a.value());
+        assert __version__() == 0;
+
+        assertEquals(1, a.value());
+        assert __version__() == 1;
+
+        assertEquals(2, a.value());
+        assert __version__() == 0;
+
+        assertEquals(1, a.value());
+        assert __version__() == 1;
+
+        assertEquals(2, a.value());
+        assert __version__() == 0;
+    }
+}

dcevm/src/test/java7/com/github/dcevm/test/methods/MethodsTestSuite.java

@@ -1,49 +0,0 @@
-/*
- * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-package com.github.dcevm.test.methods;
-
-import org.junit.runner.RunWith;
-import org.junit.runners.Suite;
-
-/**
- * Class redefinition tests that perform adding/removing/changing the methods of a class.
- *
- * @author Thomas Wuerthinger
- */
-@RunWith(Suite.class)
-@Suite.SuiteClasses({
-        AddMethodTest.class,
-        DeleteActiveMethodTest.class,
-        ClassReflectionTest.class,
-        MethodReflectionTest.class,
-        ClassObjectSynchronizationTest.class,
-        ClassObjectHashcodeTest.class,
-        OverrideMethodTest.class,
-        SingleClassTest.class,
-        SingleClassReflectionTest.class,
-        AnnotationTest.class
-})
-public class MethodsTestSuite {
-}

dcevm/src/test/java7/com/github/dcevm/test/methods/OldCodeNonOSRTest.java

@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+package com.github.dcevm.test.methods;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
+import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Test case that makes sure that old code does not get on-stack-replaced.
+ *
+ * @author Thomas Wuerthinger
+ */
+public class OldCodeNonOSRTest {
+
+    // Chose high enough to make sure method could get OSR (usually the OSR flag in the VM is set to about 15000)
+    private static final int N = 100000;
+
+    @Before
+    public void setUp() throws Exception {
+        __toVersion__(0);
+    }
+
+    // Version 0
+    public static class A {
+
+        public int value() {
+            return 5;
+        }
+
+        public int oldMethod() {
+            __toVersion__(1);
+            int sum = 0;
+            for (int i=0; i<N; i++) {
+                sum += i;
+            }
+            return (sum & deletedMethod()) | 1;
+        }
+
+        public int oldMethod2() {
+            int sum = 0;
+            for (int i=0; i<N; i++) {
+                sum += i;
+            }
+            __toVersion__(1);
+            return (sum & deletedMethod()) | 1;
+        }
+
+        public int oldMethod3() {
+            int sum = 0;
+            for (int i=0; i<N; i++) {
+                sum += i;
+            }
+            __toVersion__(1);
+            for (int i=0; i<N; i++) {
+                sum += i;
+            }
+            return (sum & deletedMethod()) | 1;
+        }
+
+        public int deletedMethod() {
+            return 1;
+        }
+    }
+
+    // Version 1
+    public static class A___1 {
+
+        public int oldMethod() {
+            return 2;
+        }
+    }
+
+    @Test
+    public void testOldCodeNonOSR() {
+
+        assert __version__() == 0;
+        A a = new A();
+
+        assertEquals(1, a.oldMethod());
+        assert __version__() == 1;
+        assertEquals(2, a.oldMethod());
+
+        __toVersion__(0);
+
+        assertEquals(1, a.oldMethod2());
+        assert __version__() == 1;
+        assertEquals(2, a.oldMethod());
+
+        __toVersion__(0);
+
+        assertEquals(1, a.oldMethod3());
+        assert __version__() == 1;
+        assertEquals(2, a.oldMethod());
+
+        __toVersion__(0);
+    }
+}

dcevm/src/test/java7/com/github/dcevm/test/natives/SimpleNativeTest.java

@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+package com.github.dcevm.test.natives;
+
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
+import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Testing correct resolving of a native method after class redefinition.
+ *
+ * @author Thomas Wuerthinger
+ */
+@Ignore
+public class SimpleNativeTest {
+
+    @Before
+    public void setUp() throws Exception {
+        __toVersion__(0);
+    }
+
+    // Version 0
+    public static class A {
+
+        public static int get() {
+            return value();
+        }
+
+        public static native int value();
+    }
+
+    // Version 1
+    public static class A___1 {
+
+        public static int get() {
+            return value() + value2();
+        }
+
+        public static native int value();
+
+        public static native int value2();
+    }
+
+    @Test
+    public void testSimpleNativeCalls() {
+
+        assert __version__() == 0;
+
+
+        assertEquals(1, A.get());
+
+        __toVersion__(1);
+
+        assertEquals(3, A.get());
+
+        __toVersion__(0);
+
+        assertEquals(1, A.get());
+
+    }
+
+}

dcevm/src/test/java7/com/github/dcevm/test/structural/HierarchySwapTest.java

@@ -0,0 +1,397 @@
+/*
+ * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+package com.github.dcevm.test.structural;
+
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
+import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
+import static org.junit.Assert.*;
+
+/**
+ * Smallest test case for a hierarchy swap. A<B is changed to B<A.
+ *
+ * @author Thomas Wuerthinger
+ */
+@Ignore
+public class HierarchySwapTest {
+
+    // Version 0
+    public static class A {
+
+        public int value() {
+            return 1;
+        }
+    }
+
+    public static class B extends A {
+
+        @Override
+        public int value() {
+            return super.value() * 2;
+        }
+    }
+
+    public static class C {
+
+        public boolean doInstanceCheckA(Object o) {
+            return o instanceof A;
+        }
+
+        public boolean doInstanceCheckB(Object o) {
+            return o instanceof B;
+        }
+    }
+
+    public static class Base {
+
+        public String className() {
+            return "Base";
+        }
+    }
+
+    public static class D extends Base {
+
+        @Override
+        public String className() {
+            return "D";
+        }
+
+        public String superClassName() {
+            return super.className();
+        }
+    }
+
+    public static class E extends Base {
+
+        @Override
+        public String className() {
+            return "E";
+        }
+
+        public String superClassName() {
+            return super.className();
+        }
+    }
+
+    public static class F extends Base {
+
+        @Override
+        public String className() {
+            return "F";
+        }
+
+        public String superClassName() {
+            return super.className();
+        }
+    }
+
+    // Version 1
+    public static class A___1 extends B___1 {
+
+        @Override
+        public int value() {
+            return super.value() * 2;
+        }
+    }
+
+    public static class B___1 {
+
+        public int value() {
+            return 4;
+        }
+    }
+
+    public static class C___1 {
+
+        public boolean doInstanceCheckA(Object o) {
+            return o instanceof A;
+        }
+
+        public boolean doInstanceCheckB(Object o) {
+            return o instanceof B;
+        }
+    }
+
+    // Version 2
+    public static class D___2 extends Base {
+
+        @Override
+        public String className() {
+            return "D";
+        }
+
+        public String superClassName() {
+            return super.className();
+        }
+    }
+
+    public static class E___2 extends D {
+
+        @Override
+        public String className() {
+            return "E";
+        }
+
+        @Override
+        public String superClassName() {
+            return super.className();
+        }
+    }
+
+    public static class F___2 extends E {
+
+        @Override
+        public String className() {
+            return "F";
+        }
+
+        @Override
+        public String superClassName() {
+            return super.className();
+        }
+    }
+
+    // Version 3
+    public static class D___3 extends E {
+
+        @Override
+        public String className() {
+            return "D";
+        }
+
+        @Override
+        public String superClassName() {
+            return super.className();
+        }
+    }
+
+    public static class E___3 extends F {
+
+        @Override
+        public String className() {
+            return "E";
+        }
+
+        @Override
+        public String superClassName() {
+            return super.className();
+        }
+    }
+
+    public static class F___3 extends Base {
+
+        @Override
+        public String className() {
+            return "F";
+        }
+
+        public String superClassName() {
+            return super.className();
+        }
+    }
+
+    // Version 4
+    public static class D___4 extends E {
+
+        @Override
+        public String className() {
+            return "D";
+        }
+
+        @Override
+        public String superClassName() {
+            return super.className();
+        }
+    }
+
+    public static class E___4 extends Base {
+
+        @Override
+        public String className() {
+            return "E";
+        }
+
+        public String superClassName() {
+            return super.className();
+        }
+    }
+
+    public static class F___4 extends E {
+
+        @Override
+        public String className() {
+            return "F";
+        }
+
+        @Override
+        public String superClassName() {
+            return super.className();
+        }
+    }
+
+    @Before
+    public void setUp() throws Exception {
+        __toVersion__(0);
+    }
+
+    @Test
+    public void testHierarchySwap() {
+
+        assert __version__() == 0;
+
+        A a = new A();
+        B b = new B();
+
+        assertEquals(1, a.value());
+        assertEquals(2, b.value());
+        assertTrue(b.getClass().getSuperclass().equals(A.class));
+        assertFalse(a.getClass().getSuperclass().equals(B.class));
+
+        __toVersion__(1);
+
+        assertEquals(8, a.value());
+        assertEquals(4, b.value());
+        assertFalse(b.getClass().getSuperclass().equals(A.class));
+        assertTrue(a.getClass().getSuperclass().equals(B.class));
+
+        __toVersion__(0);
+
+        assertEquals(1, a.value());
+        assertEquals(2, b.value());
+        assertTrue(b.getClass().getSuperclass().equals(A.class));
+        assertFalse(a.getClass().getSuperclass().equals(B.class));
+    }
+
+    @Test
+    public void testHierarchySwapWithInstanceOfTest() {
+
+        assert __version__() == 0;
+
+        A a = new A();
+        B b = new B();
+        C c = new C();
+
+        assertEquals(1, a.value());
+        assertEquals(2, b.value());
+        assertTrue(c.doInstanceCheckA(b));
+        assertFalse(c.doInstanceCheckB(a));
+
+        __toVersion__(1);
+
+        assertEquals(8, a.value());
+        assertEquals(4, b.value());
+        assertFalse(c.doInstanceCheckA(b));
+        assertTrue(c.doInstanceCheckB(a));
+
+        __toVersion__(0);
+
+        assertEquals(1, a.value());
+        assertEquals(2, b.value());
+        assertTrue(c.doInstanceCheckA(b));
+        assertFalse(c.doInstanceCheckB(a));
+    }
+
+    @Test
+    public void testHierarchySwapWithInstanceOf() {
+
+        assert __version__() == 0;
+
+        A a = new A();
+        B b = new B();
+
+        assertEquals(1, a.value());
+        assertEquals(2, b.value());
+        assertTrue(b instanceof A);
+        assertFalse(a instanceof B);
+
+        __toVersion__(1);
+
+        assertEquals(8, a.value());
+        assertEquals(4, b.value());
+        assertFalse(b instanceof A);
+        assertTrue(a instanceof B);
+
+        __toVersion__(0);
+
+        assertEquals(1, a.value());
+        assertEquals(2, b.value());
+        assertTrue(b instanceof A);
+        assertFalse(a instanceof B);
+    }
+
+    @Test
+    public void testTripleSwap() {
+
+
+        assert __version__() == 0;
+
+        D d = new D();
+        E e = new E();
+        F f = new F();
+
+        assertEquals(d.superClassName(), "Base");
+        assertEquals(e.superClassName(), "Base");
+        assertEquals(f.superClassName(), "Base");
+
+        __toVersion__(2);
+
+        assertEquals(d.superClassName(), "Base");
+        assertEquals(e.superClassName(), "D");
+        assertEquals(f.superClassName(), "E");
+
+        __toVersion__(3);
+
+        assertEquals(d.superClassName(), "E");
+        assertEquals(e.superClassName(), "F");
+        assertEquals(f.superClassName(), "Base");
+
+        __toVersion__(4);
+
+        assertEquals(d.superClassName(), "E");
+        assertEquals(e.superClassName(), "Base");
+        assertEquals(f.superClassName(), "E");
+
+        __toVersion__(3);
+
+        assertEquals(d.superClassName(), "E");
+        assertEquals(e.superClassName(), "F");
+        assertEquals(f.superClassName(), "Base");
+
+        __toVersion__(2);
+
+        assertEquals(d.superClassName(), "Base");
+        assertEquals(e.superClassName(), "D");
+        assertEquals(f.superClassName(), "E");
+
+        __toVersion__(0);
+
+        assertEquals(d.superClassName(), "Base");
+        assertEquals(e.superClassName(), "Base");
+        assertEquals(f.superClassName(), "Base");
+    }
+}

dcevm/src/test/java7/com/github/dcevm/test/structural/InterfaceTest.java

@@ -25,7 +25,11 @@
 package com.github.dcevm.test.structural;
 
 import com.github.dcevm.test.TestUtil;
-import org.junit.*;
+import org.junit.After;
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
 
 import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
 import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;

dcevm/src/test/java7/com/github/dcevm/test/structural/LargeHierarchyTest.java

@@ -0,0 +1,293 @@
+/*
+ * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+package com.github.dcevm.test.structural;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
+import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Tests that modify a large class hierarchy with the classes A, B, C, D, E, and F.
+ * 
+ * @author Thomas Wuerthinger
+ */
+public class LargeHierarchyTest {
+
+    private A a = new A();
+    private B b = new B();
+    private C c = new C();
+    private D d = new D();
+    private E e = new E();
+    private F f = new F();
+
+    @Before
+    public void setUp() throws Exception {
+        __toVersion__(0);
+    }
+
+    // Version 0
+    public static class A {
+
+        public int value() {
+            return 1;
+        }
+    }
+
+    public static class B extends A {
+
+        @Override
+        public int value() {
+            return super.value() * 2;
+        }
+    }
+
+    public static class C extends B {
+
+        @Override
+        public int value() {
+            return super.value() * 2;
+        }
+    }
+
+    public static class D extends C {
+
+        @Override
+        public int value() {
+            return super.value() * 2;
+        }
+    }
+
+    public static class E extends D {
+
+        @Override
+        public int value() {
+            return super.value() * 2;
+        }
+    }
+
+    public static class F extends E {
+
+        @Override
+        public int value() {
+            return super.value() * 2;
+        }
+    }
+
+    // Version 1
+    public static class A___1 {
+
+        public int value() {
+            return 2;
+        }
+    }
+
+    // Version 2
+    //     D - E - F
+    //   /
+    // A - B - C
+    public static class D___2 extends A {
+
+        @Override
+        public int value() {
+            return super.value() * 2;
+        }
+    }
+
+    // Version 3
+    //     D
+    //   /
+    // A - B - C - E - F
+    public static class D___3 extends A {
+
+        @Override
+        public int value() {
+            return super.value() * 2;
+        }
+    }
+
+    public static class E___3 extends A {
+
+        @Override
+        public int value() {
+            return super.value() * 2;
+        }
+    }
+
+    // Version 4
+    // Completely flat
+    public static class C___4 extends A {
+
+        @Override
+        public int value() {
+            return super.value() * 2;
+        }
+    }
+
+    public static class D___4 extends A {
+
+        @Override
+        public int value() {
+            return super.value() * 2;
+        }
+    }
+
+    public static class E___4 extends A {
+
+        @Override
+        public int value() {
+            return super.value() * 2;
+        }
+    }
+
+    public static class F___4 extends A {
+
+        @Override
+        public int value() {
+            return super.value() * 2;
+        }
+    }
+
+    // Version 5
+    public static class F___5 extends E {
+
+        @Override
+        public int value() {
+            return 0;
+        }
+    }
+
+    @Test
+    public void testChangeBaseClass() {
+
+        assert __version__() == 0;
+
+        assertEquals(1, a.value());
+        assertEquals(2, b.value());
+        assertEquals(4, c.value());
+        assertEquals(8, d.value());
+        assertEquals(16, e.value());
+        assertEquals(32, f.value());
+
+        __toVersion__(1);
+
+        assertEquals(2, a.value());
+        assertEquals(4, b.value());
+        assertEquals(8, c.value());
+        assertEquals(16, d.value());
+        assertEquals(32, e.value());
+        assertEquals(64, f.value());
+
+        __toVersion__(0);
+
+        assertEquals(1, a.value());
+        assertEquals(2, b.value());
+        assertEquals(4, c.value());
+        assertEquals(8, d.value());
+        assertEquals(16, e.value());
+        assertEquals(32, f.value());
+    }
+
+    @Test
+    public void testChangeSubClass() {
+        assert __version__() == 0;
+
+        assertEquals(1, a.value());
+        assertEquals(2, b.value());
+        assertEquals(4, c.value());
+        assertEquals(8, d.value());
+        assertEquals(16, e.value());
+        assertEquals(32, f.value());
+
+        __toVersion__(5);
+
+        assertEquals(1, a.value());
+        assertEquals(2, b.value());
+        assertEquals(4, c.value());
+        assertEquals(8, d.value());
+        assertEquals(16, e.value());
+        assertEquals(0, f.value());
+
+        __toVersion__(0);
+
+        assertEquals(1, a.value());
+        assertEquals(2, b.value());
+        assertEquals(4, c.value());
+        assertEquals(8, d.value());
+        assertEquals(16, e.value());
+        assertEquals(32, f.value());
+    }
+
+    @Test
+    public void testChangeHierarchy() {
+
+        assert __version__() == 0;
+
+        assertEquals(1, a.value());
+        assertEquals(2, b.value());
+        assertEquals(4, c.value());
+        assertEquals(8, d.value());
+        assertEquals(16, e.value());
+        assertEquals(32, f.value());
+
+        __toVersion__(2);
+
+        assertEquals(1, a.value());
+        assertEquals(2, b.value());
+        assertEquals(4, c.value());
+        assertEquals(2, d.value());
+        assertEquals(4, e.value());
+        assertEquals(8, f.value());
+
+        __toVersion__(3);
+
+        assertEquals(1, a.value());
+        assertEquals(2, b.value());
+        assertEquals(4, c.value());
+        assertEquals(2, d.value());
+        assertEquals(2, e.value());
+        assertEquals(4, f.value());
+
+        __toVersion__(4);
+
+        assertEquals(1, a.value());
+        assertEquals(2, b.value());
+        assertEquals(2, c.value());
+        assertEquals(2, d.value());
+        assertEquals(2, e.value());
+        assertEquals(2, f.value());
+
+        __toVersion__(0);
+
+        assertEquals(1, a.value());
+        assertEquals(2, b.value());
+        assertEquals(4, c.value());
+        assertEquals(8, d.value());
+        assertEquals(16, e.value());
+        assertEquals(32, f.value());
+    }
+}

dcevm/src/test/java7/com/github/dcevm/test/structural/RedefineClassClassTest.java

@@ -24,9 +24,11 @@
 package com.github.dcevm.test.structural;
 
 import com.github.dcevm.ClassRedefinitionPolicy;
+import com.github.dcevm.test.category.Full;
 import org.junit.Before;
 import org.junit.Ignore;
 import org.junit.Test;
+import org.junit.experimental.categories.Category;
 
 import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
 import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
@@ -36,6 +38,7 @@ import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
  *
  * @author Thomas Wuerthinger
  */
+@Category(Full.class)
 @Ignore
 public class RedefineClassClassTest {
 

dcevm/src/test/java7/com/github/dcevm/test/structural/RedefineObjectClassTest.java

@@ -24,9 +24,11 @@
 package com.github.dcevm.test.structural;
 
 import com.github.dcevm.ClassRedefinitionPolicy;
+import com.github.dcevm.test.category.Full;
 import org.junit.Before;
 import org.junit.Ignore;
 import org.junit.Test;
+import org.junit.experimental.categories.Category;
 
 import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
 import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
@@ -37,113 +39,109 @@ import static org.junit.Assert.assertEquals;
  *
  * @author Thomas Wuerthinger
  */
+@Category(Full.class)
 @Ignore
 public class RedefineObjectClassTest {
 
-    // Version 0
-    public static class Helper {
-        public static String access(Object o) {
-            return "";
-        }
+  // Version 0
+  public static class Helper {
+    public static String access(Object o) {
+      return "";
     }
+  }
 
-    // Version 1
+  // Version 1
 
-    public static class Helper___1 {
-        public static String access(Object o) {
-            return ((A___1) o).myTestFunction___();
-        }
+  public static class Helper___1 {
+    public static String access(Object o) {
+      return ((A___1) o).myTestFunction___();
     }
+  }
 
-    @ClassRedefinitionPolicy(alias = java.lang.Object.class)
-    public static class A___1 {
+  @ClassRedefinitionPolicy(alias = java.lang.Object.class)
+  public static class A___1 {
 
-        public final native Class<? extends Object> getClass___();
+    public final native Class<? extends Object> getClass___();
 
-        @Override
-        public native int hashCode();
+    public native int hashCode();
 
-        @Override
-        public boolean equals(Object obj) {
-            return (this == obj);
-        }
-
-        public static int x;
-        public static int x1;
-        public static int x2;
-        public static int x3;
-        public static int x4;
-        public static int x5;
+    public boolean equals(Object obj) {
+      return (this == obj);
+    }
 
-        @Override
-        protected native Object clone() throws CloneNotSupportedException;
+    public static int x;
+    public static int x1;
+    public static int x2;
+    public static int x3;
+    public static int x4;
+    public static int x5;
 
-        @Override
-        public String toString() {
-            System.out.println("x=" + (x++));
-            return getClass().getName() + "@" + Integer.toHexString(hashCode());// myTestFunction___();
-        }
+    protected native Object clone() throws CloneNotSupportedException;
 
-        public final String myTestFunction___() {
-            return "com/github/dcevm/test";
-        }
+    public String toString() {
+      System.out.println("x=" + (x++));
+      return getClass().getName() + "@" + Integer.toHexString(hashCode());// myTestFunction___();
+    }
 
-        public final native void notify___();
+    public final String myTestFunction___() {
+      return "test";
+    }
 
-        public final native void notifyAll___();
+    public final native void notify___();
 
-        public final native void wait___(long timeout) throws InterruptedException;
+    public final native void notifyAll___();
 
-        public final void wait___(long timeout, int nanos) throws InterruptedException {
+    public final native void wait___(long timeout) throws InterruptedException;
 
+    public final void wait___(long timeout, int nanos) throws InterruptedException {
 
-            if (timeout < 0) {
-                throw new IllegalArgumentException("timeout value is negative");
-            }
 
-            if (nanos < 0 || nanos > 999999) {
-                throw new IllegalArgumentException(
-                        "nanosecond timeout value out of range");
-            }
+      if (timeout < 0) {
+        throw new IllegalArgumentException("timeout value is negative");
+      }
 
-            if (nanos >= 500000 || (nanos != 0 && timeout == 0)) {
-                timeout++;
-            }
+      if (nanos < 0 || nanos > 999999) {
+        throw new IllegalArgumentException(
+                "nanosecond timeout value out of range");
+      }
 
-            wait(timeout);
-        }
+      if (nanos >= 500000 || (nanos != 0 && timeout == 0)) {
+        timeout++;
+      }
 
-        public final void wait___() throws InterruptedException {
-            wait(0);
-        }
+      wait(timeout);
+    }
 
-        @Override
-        protected void finalize() throws Throwable {
-        }
+    public final void wait___() throws InterruptedException {
+      wait(0);
     }
 
-    @Before
-    public void setUp() throws Exception {
-        __toVersion__(0);
+    protected void finalize() throws Throwable {
     }
+  }
 
-    @Test
-    public void testRedefineObject() {
+  @Before
+  public void setUp() throws Exception {
+    __toVersion__(0);
+  }
 
-        assert __version__() == 0;
+  @Test
+  public void testRedefineObject() {
 
-        Object o = new Object();
-        __toVersion__(1);
+    assert __version__() == 0;
 
-        System.out.println(this.toString());
-        System.out.println(o.toString());
-        System.out.println(this.toString());
+    Object o = new Object();
+    __toVersion__(1);
 
+    System.out.println(this.toString());
+    System.out.println(o.toString());
+    System.out.println(this.toString());
 
-        //assertEquals("test", o.toString());
-        assertEquals("com/github/dcevm/test", Helper.access(o));
-        __toVersion__(0);
-        __toVersion__(1);
-        __toVersion__(0);
-    }
+
+    //assertEquals("test", o.toString());
+    assertEquals("test", Helper.access(o));
+    __toVersion__(0);
+    __toVersion__(1);
+    __toVersion__(0);
+  }
 }

dcevm/src/test/java7/com/github/dcevm/test/structural/ThisTypeChange.java

@@ -25,8 +25,10 @@
 package com.github.dcevm.test.structural;
 
 import com.github.dcevm.test.TestUtil;
+import com.github.dcevm.test.category.Light;
 import org.junit.Before;
 import org.junit.Test;
+import org.junit.experimental.categories.Category;
 
 import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
 import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
@@ -36,6 +38,7 @@ import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
  *
  * @author Thomas Wuerthinger
  */
+@Category(Light.class)
 public class ThisTypeChange {
 
     @Before

dcevm/src/test/java7/com/github/dcevm/test/structural/TypeNarrowingHeapTest.java

@@ -0,0 +1,180 @@
+/*
+ * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+package com.github.dcevm.test.structural;
+
+import com.github.dcevm.test.TestUtil;
+import org.junit.Before;
+import org.junit.Test;
+
+import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
+import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Test case for type narrowing.
+ *
+ * @author Thomas Wuerthinger
+ */
+public class TypeNarrowingHeapTest {
+
+    // Version 0
+    public static class A {
+
+        int x = 1;
+        int y = 2;
+        int z = 3;
+
+        public int value() {
+            return x;
+        }
+    }
+
+    public static class C {
+        private A a;
+
+        public C(A a) {
+            this.a = a;
+        }
+    }
+
+    public static class B extends A {
+
+    }
+
+
+    // Version 1
+    public static class B___1 {
+    }
+
+
+    @Before
+    public void setUp() throws Exception {
+        __toVersion__(0);
+        A a = new A();
+        B b = new B();
+    }
+
+    @Test
+    public void testSimpleTypeNarrowing() {
+
+        assert __version__() == 0;
+
+        A a = convertBtoA(new B());
+
+        assertEquals(1, a.value());
+
+        // Cannot do conversion if A object is on the stack!
+        a = null;
+
+        __toVersion__(1);
+
+        TestUtil.assertException(NoSuchMethodError.class, new Runnable() {
+          @Override
+          public void run() {
+            B b = new B();
+            b.value();
+          }
+        });
+
+        __toVersion__(0);
+        assert __version__() == 0;
+    }
+
+    @Test
+    public void testTypeNarrowingWithField() {
+        C c = new C(new A());
+
+        __toVersion__(1);
+
+        __toVersion__(0);
+
+        c = new C(convertBtoA(new B()));
+
+        TestUtil.assertException(UnsupportedOperationException.class, new Runnable() {
+            @Override
+            public void run() {
+                __toVersion__(1);
+            }
+        });
+
+        assert __version__() == 0;
+
+        c.a = null;
+
+        __toVersion__(1);
+
+        __toVersion__(0);
+    }
+
+    // Method to enforce cast (otherwise bytecodes become invalid in version 2)
+    public static A convertBtoA(Object b) {
+        return (A)b;
+    }
+
+    @Test
+    public void testTypeNarrowingWithArray() {
+        final B b = new B();
+        final A[] arr = new A[3];
+        arr[0] = new A();
+
+        assert b instanceof A;
+
+        __toVersion__(1);
+
+        assert !(b instanceof A);
+
+        TestUtil.assertException(ArrayStoreException.class, new Runnable() {
+            @Override
+            public void run() {
+                arr[1] = b;
+            }
+        });
+
+        __toVersion__(0);
+
+        arr[1] = new B();
+
+        TestUtil.assertException(UnsupportedOperationException.class, new Runnable() {
+            @Override
+            public void run() {
+                __toVersion__(1);
+            }
+        });
+
+        assert __version__() == 0;
+
+        assert b instanceof A;
+
+        arr[1] = new A();
+
+        __toVersion__(1);
+
+        assert !(b instanceof A);
+
+        __toVersion__(0);
+
+        assert b instanceof A;
+    }
+}

dcevm/src/test/java7/com/github/dcevm/test/structural/TypeNarrowingMethodTest.java

@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+package com.github.dcevm.test.structural;
+
+import com.github.dcevm.test.TestUtil;
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
+import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
+
+/**
+ * Test case for type narrowing where a non-active method fails verification because of the new hierarchy.
+ *
+ * @author Thomas Wuerthinger
+ */
+@Ignore
+public class TypeNarrowingMethodTest {
+
+    // Version 0
+    public static class A {
+
+        int x = 1;
+        int y = 2;
+        int z = 3;
+
+        public int value() {
+            return x;
+        }
+
+        public static int badMethod(B b) {
+            A a = b;
+            return a.y;
+        }
+    }
+
+    public static class B extends A {
+
+    }
+
+
+    // Version 1
+    public static class B___1 {
+    }
+
+    // Version 2
+    public static class A___2 {
+
+        int x = 1;
+        int y = 2;
+        int z = 3;
+
+        public int value() {
+            return x;
+        }
+
+        public static int badMethod(B b) {
+            return 5;
+        }
+    }
+
+    public static class B___2 {
+    }
+
+
+    @Before
+    public void setUp() throws Exception {
+        __toVersion__(0);
+        A a = new A();
+        B b = new B();
+    }
+
+
+    @Test
+    public void testTypeNarrowingWithViolatingMethod() {
+
+        TestUtil.assertException(UnsupportedOperationException.class, new Runnable() {
+          @Override
+          public void run() {
+            __toVersion__(1);
+          }
+        });
+
+        assert __version__() == 0;
+
+        __toVersion__(2);
+
+        __toVersion__(0);
+    }
+}

dcevm/src/test/java7/com/github/dcevm/test/structural/TypeNarrowingMethodTest2.java

@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+package com.github.dcevm.test.structural;
+
+import com.github.dcevm.test.TestUtil;
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
+import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
+
+/**
+ * Test case for type narrowing where a non-active method fails verification because of the new hierarchy.
+ *
+ * @author Thomas Wuerthinger
+ */
+@Ignore
+public class TypeNarrowingMethodTest2 {
+
+    // Version 0
+    public static class A {
+
+        int x = 1;
+        int y = 2;
+        int z = 3;
+
+        public int value() {
+            return x;
+        }
+
+        public static int badMethod() {
+            A a = indirectionMethod();
+            return a.y;
+        }
+    }
+
+    public static class B extends A {
+
+    }
+
+
+    // Version 1
+    public static class B___1 {
+    }
+
+    // Version 2
+    public static class A___2 {
+
+        int x = 1;
+        int y = 2;
+        int z = 3;
+
+        public int value() {
+            return x;
+        }
+
+        public static int badMethod(B b) {
+            return 5;
+        }
+    }
+
+    public static class B___2 {
+    }
+
+
+    @Before
+    public void setUp() throws Exception {
+        __toVersion__(0);
+        A a = new A();
+        B b = new B();
+    }
+
+    public static B indirectionMethod() {
+        return new B();
+    }
+
+    @Test
+    public void testTypeNarrowingWithViolatingMethod() {
+        final A a = new A();
+
+        TestUtil.assertException(UnsupportedOperationException.class, new Runnable() {
+          @Override
+          public void run() {
+            __toVersion__(1);
+            System.out.println(a.badMethod());
+          }
+        });
+
+        assert __version__() == 0;
+
+        __toVersion__(2);
+
+        __toVersion__(0);
+    }
+}

dcevm/src/test/java7/com/github/dcevm/test/structural/TypeNarrowingMethodTest3.java

@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+package com.github.dcevm.test.structural;
+
+import com.github.dcevm.test.TestUtil;
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
+import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
+
+/**
+ * Test case for type narrowing where a non-active method fails verification because of the new hierarchy.
+ *
+ * @author Thomas Wuerthinger
+ */
+@Ignore
+public class TypeNarrowingMethodTest3 {
+
+    // Version 0
+    public static class A {
+
+        int x = 1;
+        int y = 2;
+        int z = 3;
+
+        public int value() {
+            return x;
+        }
+
+        public static int badMethod() {
+            A a = indirectionMethod()[0];
+            return a.y;
+        }
+    }
+
+    public static class B extends A {
+
+    }
+
+    // Version 1
+    public static class B___1 {
+    }
+
+    // Version 2
+    public static class A___2 {
+
+        int x = 1;
+        int y = 2;
+        int z = 3;
+
+        public int value() {
+            return x;
+        }
+
+        public static int badMethod(B b) {
+            return 5;
+        }
+    }
+
+    public static class B___2 {
+    }
+
+
+    @Before
+    public void setUp() throws Exception {
+        __toVersion__(0);
+        A a = new A();
+        B b = new B();
+    }
+
+    public static B[] indirectionMethod() {
+        return new B[]{ new B() };
+    }
+
+    @Test
+    public void testTypeNarrowingWithViolatingMethod() {
+        final A a = new A();
+
+        TestUtil.assertException(UnsupportedOperationException.class, new Runnable() {
+          @Override
+          public void run() {
+            __toVersion__(1);
+            System.out.println(a.badMethod());
+          }
+        });
+
+        assert __version__() == 0;
+
+        __toVersion__(2);
+
+        __toVersion__(0);
+    }
+}

dcevm/src/test/java7/com/github/dcevm/test/transformer/BaseClassTransformerTest.java

@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+package com.github.dcevm.test.transformer;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
+import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
+import static org.junit.Assert.assertEquals;
+
+class BaseClass {
+    public void $transformer() {
+        transformerExecuted();
+    }
+
+    public void transformerExecuted() {
+        
+    }
+}
+
+/**
+ * Tests for executing the transformer of a base class.
+ *
+ * @author Thomas Wuerthinger
+ */
+public class BaseClassTransformerTest {
+
+    // Version 0
+    public static class A {
+
+        public int x = 2;
+    }
+
+    // Version 3
+    public static class A___1 extends BaseClass {
+
+        public int x;
+
+        @Override
+        public void transformerExecuted() {
+            System.out.println("Transformer of A executing...");
+            x = x * 2;
+        }
+    }
+
+
+    @Before
+    public void setUp() throws Exception {
+        __toVersion__(0);
+    }
+
+    @Test
+    public void testSimpleTransformer() {
+
+        assert __version__() == 0;
+
+        A a = new A();
+
+        assertEquals(2, a.x);
+
+        __toVersion__(1);
+
+        assertEquals(4, a.x);
+
+        __toVersion__(0);
+
+        assertEquals(4, a.x);
+
+        __toVersion__(1);
+
+        assertEquals(8, a.x);
+
+        __toVersion__(0);
+
+        assertEquals(8, a.x);
+    }
+}

dcevm/src/test/java7/com/github/dcevm/test/transformer/SimpleTransformerTest.java

@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+package com.github.dcevm.test.transformer;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
+import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Tests for executing the transformer of a class.
+ *
+ * @author Thomas Wuerthinger
+ */
+public class SimpleTransformerTest {
+
+    // Version 0
+    public static class A {
+
+        public int x = 2;
+    }
+
+    // Version 3
+    public static class A___1 {
+
+        public int x;
+
+        public void $transformer() {
+            System.out.println("Transformer of A executing...");
+            x = x * 2;
+        }
+    }
+
+
+    @Before
+    public void setUp() throws Exception {
+        __toVersion__(0);
+    }
+
+    @Test
+    public void testSimpleTransformer() {
+
+        assert __version__() == 0;
+
+        A a = new A();
+
+        assertEquals(2, a.x);
+
+        __toVersion__(1);
+
+        assertEquals(4, a.x);
+
+        __toVersion__(0);
+
+        assertEquals(4, a.x);
+
+        __toVersion__(1);
+
+        assertEquals(8, a.x);
+
+        __toVersion__(0);
+
+        assertEquals(8, a.x);
+    }
+}

dcevm/src/test/java7/com/github/dcevm/test/transformer/StaticConstructorTransformerTest.java

@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+package com.github.dcevm.test.transformer;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
+import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
+
+/**
+ * @author Kerstin Breiteneder
+ * @author Christoph Wimberger
+ */
+public class StaticConstructorTransformerTest {
+
+    //Version 0
+    public static class Static_TestClass {
+
+        // remove static --> no fatal error occurs
+        public static int x = 0;
+        //public int x = 0;
+
+        static {
+            System.out.println("Start Static_TestClass Version 0");
+
+            try {
+                Thread.sleep(1000);
+            } catch (InterruptedException ex) {
+            }
+            System.out.println("End Static_TestClass Version 0");
+        }
+    }
+
+    //Version 1
+    public static class Static_TestClass___1 {
+
+        public int version = 1;
+
+        static {
+            System.out.println("Static_TestClass Version 1");
+        }
+
+        public void $transformer() {
+            System.out.println(":::::::::transformerExecuted:::::::::::");
+        }
+    }
+
+    @Before
+    public void setUp() throws Exception {
+        __toVersion__(0);
+    }
+
+    @Test
+    public void testStaticConstructorTransformerTest() {
+
+        assert __version__() == 0;
+        try {
+            Class.forName("at.ssw.hotswap.test.transformer.StaticConstructorTransformerTest$Static_TestClass");
+        } catch (ClassNotFoundException ex) {
+            ex.printStackTrace();
+        }
+        Static_TestClass clazz = new Static_TestClass();
+
+        __toVersion__(1);
+    }
+}

dcevm/src/test/java7/com/github/dcevm/test/transformer/StaticTransformerTest.java

@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+package com.github.dcevm.test.transformer;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
+import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Tests for executing the transformer of a class.
+ *
+ * @author Thomas Wuerthinger
+ */
+public class StaticTransformerTest {
+
+    // Version 0
+    public static class A {
+
+        public static int x = 2;
+    }
+
+    // Version 3
+    public static class A___1 {
+
+        public static int x;
+
+        public static void $staticTransformer() {
+            System.out.println("Static transformer of A executing...");
+            x = x * 2;
+        }
+    }
+
+
+    @Before
+    public void setUp() throws Exception {
+        __toVersion__(0);
+    }
+
+    @Test
+    public void testStaticTransformer() {
+
+        assert __version__() == 0;
+
+        assertEquals(2, A.x);
+
+        __toVersion__(1);
+
+        assertEquals(4, A.x);
+
+        __toVersion__(0);
+
+        assertEquals(4, A.x);
+
+        __toVersion__(1);
+
+        assertEquals(8, A.x);
+
+        __toVersion__(0);
+
+        assertEquals(8, A.x);
+    }
+}

dcevm/src/test/java7/com/github/dcevm/test/util/HotSwapTestHelper.java

@@ -24,6 +24,7 @@
 package com.github.dcevm.test.util;
 
 import com.github.dcevm.HotSwapTool;
+import sun.reflect.CallerSensitive;
 
 /**
  * Shortcut methods for testing. Methods are named this way to make them more visible in the test code.