langtools/test/tools/javac/classfiles/attributes/Synthetic/BridgeMethodsForLambdaTest.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/classfiles/attributes/Synthetic/BridgeMethodsForLambdaTest.java Tue Apr 28 11:08:25 2015 +0300
@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 2015, 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 8044537
+ * @summary Checking ACC_SYNTHETIC flag is generated for bridge method
+ * generated for lambda expressions and method references.
+ * @library /tools/lib /tools/javac/lib ../lib
+ * @build TestBase TestResult InMemoryFileManager ToolBox
+ * @build BridgeMethodsForLambdaTest SyntheticTestDriver ExpectedClass ExpectedClasses
+ * @run main SyntheticTestDriver BridgeMethodsForLambdaTest 1
+ */
+
+import java.util.Comparator;
+import java.util.stream.IntStream;
+
+/**
+ * Synthetic members:
+ * 1. inner class for Inner1.
+ * 2. method for () -> {} in Inner1
+ * 3. method for () -> {} in Inner2
+ * 4. method references to private methods.
+ * 5. method for super::function()
+ * 6. method references to private static methods.
+ * 7. access method for private method function().
+ * 8. access method for private static method staticFunction().
+ * 9. method reference to vararg method.
+ * 10. method reference to array's method.
+ * 11. constructors for Inner1 and Inner2.
+ */
+@ExpectedClass(className = "BridgeMethodsForLambdaTest",
+ expectedMethods = {"<init>()", "<clinit>()", "function(java.lang.Integer[])"},
+ expectedNumberOfSyntheticMethods = 6)
+@ExpectedClass(className = "BridgeMethodsForLambdaTest$Inner1",
+ expectedMethods = {"<init>(BridgeMethodsForLambdaTest)", "function()", "run()"},
+ expectedFields = "lambda1",
+ expectedNumberOfSyntheticMethods = 4,
+ expectedNumberOfSyntheticFields = 1)
+@ExpectedClass(className = "BridgeMethodsForLambdaTest$Inner2",
+ expectedMethods = {"<init>()", "staticFunction()"},
+ expectedFields = "lambda1",
+ expectedNumberOfSyntheticMethods = 3)
+@ExpectedClass(className = "BridgeMethodsForLambdaTest$Inner3",
+ expectedMethods = {"<init>(BridgeMethodsForLambdaTest)", "function()"},
+ expectedNumberOfSyntheticMethods = 1,
+ expectedNumberOfSyntheticFields = 1)
+@ExpectedClass(className = "BridgeMethodsForLambdaTest$Inner4",
+ expectedMethods = {"<init>(BridgeMethodsForLambdaTest)", "function()"},
+ expectedNumberOfSyntheticMethods = 1,
+ expectedNumberOfSyntheticFields = 1)
+public class BridgeMethodsForLambdaTest {
+
+ private class Inner1 implements Runnable {
+ private Inner1() {
+ }
+ private Runnable lambda1 = () -> {
+ };
+ private void function() {
+ }
+ @Override
+ public void run() {
+ }
+ }
+
+ private static class Inner2 {
+ private Runnable lambda1 = () -> {
+ };
+ private static void staticFunction() {
+ }
+ }
+
+ private class Inner3 {
+ public void function() {
+ }
+ }
+
+ private class Inner4 extends Inner3 {
+ @Override
+ public void function() {
+ Runnable r = super::function;
+ }
+ }
+
+ private static int function(Integer...vararg) {
+ return 0;
+ }
+
+ {
+ Inner1 inner = new Inner1();
+ Runnable l1 = inner::function;
+ Runnable l2 = Inner1::new;
+ inner.lambda1 = inner::function;
+ Comparator<Integer> c = BridgeMethodsForLambdaTest::function;
+ IntStream.of(2).mapToObj(int[]::new);
+ }
+
+ static {
+ Inner2 inner = new Inner2();
+ Runnable l1 = Inner2::staticFunction;
+ }
+}