adds javassist.util.HotSwapAgent

3 files changed, 35 insertions, 1 deletions

diff --git a/src/test/javassist/HotswapTest.java b/src/test/javassist/HotswapTest.java
new file mode 100644
index 00000000..8b4db598
--- /dev/null
+++ b/src/test/javassist/HotswapTest.java
@@ -0,0 +1,34 @@
+package javassist;
+
+import javassist.util.HotSwapAgent;
+import junit.framework.TestCase;
+
+public class HotswapTest extends TestCase {
+    public static void main(String[] args) throws Exception {
+        // run java -javaagent:hotswap.jar javassist.HotswapTest
+        new HotswapTest(HotswapTest.class.getName()).testHotswap();
+    }
+
+    public HotswapTest(String name) {
+        super(name);
+    }
+
+    public static class Foo {
+        public int foo() { return 1; }
+    }
+
+    public void testHotswap() throws Exception {
+        Foo f = new Foo();
+        assertEquals(1, f.foo());
+
+        ClassPool cp = ClassPool.getDefault();
+        CtClass clazz = cp.get(Foo.class.getName());
+        CtMethod m = clazz.getDeclaredMethod("foo");
+        clazz.removeMethod(m);
+        clazz.addMethod(CtNewMethod.make("public int foo() { return 2; }", clazz));
+        HotSwapAgent.redefine(Foo.class, clazz);
+        Foo g = new Foo();
+        assertEquals(2, g.foo());
+        System.out.println("Foo#foo() = " + g.foo());
+    }
+}
diff --git a/src/test/javassist/JvstTest.java b/src/test/javassist/JvstTest.java
index 550d4278..d660a335 100644
--- a/src/test/javassist/JvstTest.java
+++ b/src/test/javassist/JvstTest.java
@@ -1124,6 +1124,7 @@ public class JvstTest extends JvstTestRoot {
         suite.addTestSuite(testproxy.ProxyFactoryPerformanceTest.class); // remove?
         suite.addTestSuite(javassist.proxyfactory.ProxyFactoryTest.class);
         suite.addTestSuite(javassist.proxyfactory.Tester.class);
+        suite.addTestSuite(javassist.HotswapTest.class);
         suite.addTestSuite(test.javassist.proxy.ProxySerializationTest.class);
         suite.addTestSuite(test.javassist.convert.ArrayAccessReplaceTest.class);
         suite.addTestSuite(test.javassist.proxy.JASSIST113RegressionTest.class);
diff --git a/src/test/javassist/JvstTest2.java b/src/test/javassist/JvstTest2.java
index 443bbb30..ec314e12 100644
--- a/src/test/javassist/JvstTest2.java
+++ b/src/test/javassist/JvstTest2.java
@@ -4,7 +4,6 @@ import java.io.*;
 import java.net.URL;
 import java.lang.reflect.Method;
 
-import javassist.bytecode.ClassFile;
 import javassist.expr.*;
 
 public class JvstTest2 extends JvstTestRoot {