8003280: Add lambda tests

Turn on lambda expression, method reference and default method support

Reviewed-by: jjg

langtools/test/tools/javac/lambda/LambdaCapture05.java

@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2012, 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.
+ */
+
+/*
+ * @test
+ * @bug 8003280
+ * @summary Add lambda tests
+ *  test for capture in nested lambda expressions
+ * @author  Maurizio Cimadamore
+ * @run main LambdaCapture05
+ */
+
+public class LambdaCapture05 {
+
+    static int assertionCount = 0;
+
+    static void assertTrue(boolean cond) {
+        assertionCount++;
+        if (!cond)
+            throw new AssertionError();
+    }
+
+    interface TU<T, U> {
+        public T foo(U u);
+    }
+
+    public static <T, U> T exec(TU<T, U> lambda, U x) {
+        return lambda.foo(x);
+    }
+
+    int i = 40;
+
+    void test1(final int a0) {
+        exec((final Integer a1) -> {
+            final Integer x2 = 10; exec((final Integer a2) -> {
+                final Integer x3 = 20;
+                exec((final Integer a3) -> { assertTrue(106 == (a0 + a1 + a2 + a3 + x2 + x3 + i)); return null; }, 3);
+                return null;
+            },2);
+            return null;
+        },1);
+    }
+
+    static void test2(final int a0) {
+        exec((final Integer a1) -> {
+            final Integer x2 = 10; exec((final Integer a2) -> {
+                final Integer x3 = 20;
+                exec((final Integer a3) -> { assertTrue(66 == (a0 + a1 + a2 + a3 + x2 + x3)); return null; }, 3);
+                return null;
+            }, 2);
+            return null;
+        }, 1);
+    }
+
+    public static void main(String[] args) {
+        LambdaCapture05 t = new LambdaCapture05();
+        t.test1(30);
+        test2(30);
+        assertTrue(assertionCount == 2);
+    }
+}