From 1ab4df6e71c09b46131913fdb8e62c976ea1535d Mon Sep 17 00:00:00 2001
From: Ivan Dubrov <idubrov@guidewire.com>
Date: Thu, 1 May 2014 21:55:20 -0700
Subject: [PATCH] Working on lambda tests

---
 .../github/dcevm/test/lambdas/LambdaTest.java |  37 +++---
 .../lambdas/MethodReferenceLambdaTest.java    | 107 ++++++++++++++++++
 2 files changed, 127 insertions(+), 17 deletions(-)
 create mode 100644 dcevm/src/test/java8/com/github/dcevm/test/lambdas/MethodReferenceLambdaTest.java

diff --git a/dcevm/src/test/java8/com/github/dcevm/test/lambdas/LambdaTest.java b/dcevm/src/test/java8/com/github/dcevm/test/lambdas/LambdaTest.java
index 211dfcf3..ba04fa73 100644
--- a/dcevm/src/test/java8/com/github/dcevm/test/lambdas/LambdaTest.java
+++ b/dcevm/src/test/java8/com/github/dcevm/test/lambdas/LambdaTest.java
@@ -24,7 +24,9 @@
 
 package com.github.dcevm.test.lambdas;
 
+import org.junit.After;
 import org.junit.Before;
+import org.junit.Ignore;
 import org.junit.Test;
 
 import java.util.concurrent.Callable;
@@ -41,45 +43,46 @@ import static org.junit.Assert.assertEquals;
 public class LambdaTest {
 
   @Before
+  @After
   public void setUp() throws Exception {
     __toVersion__(0);
   }
 
   // Version 0
   public static class A {
-    public static Callable<Integer> createLambda() {
-      return A::value;
+    public Callable<Integer> createLambda() {
+      return () -> 10;
     }
 
-    public static int value() {
-      return 1;
+    public Callable<Integer> createLambda2() {
+      return () -> 20;
     }
   }
 
   // Version 1
   public static class A___1 {
-    public static Callable<Integer> createLambda() {
-      return A::value;
+    public Callable<Integer> createLambda2() {
+      return () -> 40;
     }
 
-    public static int value() {
-      return 2;
+    public Callable<Integer> createLambda() {
+      return () -> 30;
     }
   }
 
   @Test
-  public void testStaticMethodLambda() throws Exception {
-    assert __version__() == 0;
+  @Ignore
+  public void testMethodLambda() throws Exception {
+    A a = new A();
+    Callable<Integer> lambda = a.createLambda();
+    Callable<Integer> lambda2 = a.createLambda2();
 
-    Callable<Integer> lambda = A.createLambda();
-
-    assertEquals(1, (int) lambda.call());
+    assertEquals(10, (int) lambda.call());
+    assertEquals(20, (int) lambda2.call());
 
     __toVersion__(1);
 
-    assertEquals(2, (int) lambda.call());
-
-    __toVersion__(0);
-    assert __version__() == 0;
+    assertEquals(30, (int) lambda.call());
+    assertEquals(40, (int) lambda2.call());
   }
 }
\ No newline at end of file
diff --git a/dcevm/src/test/java8/com/github/dcevm/test/lambdas/MethodReferenceLambdaTest.java b/dcevm/src/test/java8/com/github/dcevm/test/lambdas/MethodReferenceLambdaTest.java
new file mode 100644
index 00000000..5c30c24b
--- /dev/null
+++ b/dcevm/src/test/java8/com/github/dcevm/test/lambdas/MethodReferenceLambdaTest.java
@@ -0,0 +1,107 @@
+/*
+ * 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.lambdas;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.util.concurrent.Callable;
+
+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 lambda expressions
+ *
+ * @author Ivan Dubrov
+ */
+public class MethodReferenceLambdaTest {
+
+  @Before
+  @After
+  public void setUp() throws Exception {
+    __toVersion__(0);
+  }
+
+  // Version 0
+  public static class A {
+    private int fieldA = 10;
+
+    public static Callable<Integer> createLambda() {
+      return A::value;
+    }
+
+    public Callable<Integer> createLambda2() {
+      return this::fieldValue;
+    }
+
+    public static int value() {
+      return 1;
+    }
+
+    public int fieldValue() {
+      return -1;
+    }
+  }
+
+  // Version 1
+  public static class A___1 {
+    private int fieldA;
+
+    public static Callable<Integer> createLambda() {
+      return A::value;
+    }
+
+    public Callable<Integer> createLambda2() {
+      return this::fieldValue;
+    }
+
+    public static int value() {
+      return 2;
+    }
+
+    public int fieldValue() {
+      return fieldA;
+    }
+  }
+
+  @Test
+  public void testMethodLambda() throws Exception {
+    assert __version__() == 0;
+
+    Callable<Integer> lambda = A.createLambda();
+    Callable<Integer> lambda2 = new A().createLambda2();
+
+    assertEquals(1, (int) lambda.call());
+    assertEquals(-1, (int) lambda2.call());
+
+    __toVersion__(1);
+
+    assertEquals(2, (int) lambda.call());
+    assertEquals(10, (int) lambda2.call());
+  }
+}
\ No newline at end of file
-- 
2.39.5