diff -r a2001a2e7b64 -r 8da9c7389e29 jdk/test/com/sun/jdi/LambdaStepTest.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jdk/test/com/sun/jdi/LambdaStepTest.java Tue Oct 29 08:10:32 2013 +0100 @@ -0,0 +1,185 @@ +/* + * Copyright (c) 2013, 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 + * @summary Test stepping through lambdas + * + * @author Staffan Larsen + * + * @run build TestScaffold VMConnection TargetListener TargetAdapter + * @run compile -g LambdaStepTest.java + * @run main LambdaStepTest + */ +import com.sun.jdi.LocalVariable; +import com.sun.jdi.ObjectReference; +import com.sun.jdi.ReferenceType; +import com.sun.jdi.StackFrame; +import com.sun.jdi.StringReference; +import com.sun.jdi.ThreadReference; +import com.sun.jdi.event.BreakpointEvent; +import com.sun.jdi.event.StepEvent; + + /********** target program **********/ + +interface DefaultTest { + default void defaultMethod() { + String from = "default"; + System.out.println("Hello from " + from); + } +} +class LambdaStepTestTarg implements DefaultTest { + private void test() { + String from = "test"; + System.out.println("Hello from " + from); + } + private static void instanceTest() { + LambdaStepTestTarg l = new LambdaStepTestTarg(); + l.test(); + } + private static void lambdaTest() { + Runnable r = () -> { + String from = "lambda"; + System.out.println("Hello from " + from); + }; + r.run(); + } + private static void defaultTest() { + LambdaStepTestTarg l = new LambdaStepTestTarg(); + l.defaultMethod(); + } + public static void main(String[] args) { + instanceTest(); + lambdaTest(); + defaultTest(); + System.out.println("Goodbye from LambdaStepTestTarg!"); + } +} + + + /********** test program **********/ + +public class LambdaStepTest extends TestScaffold { + LambdaStepTest (String args[]) { + super(args); + } + + public static void main(String[] args) + throws Exception + { + new LambdaStepTest (args).startTests(); + } + + /********** test core **********/ + + protected void runTests() + throws Exception + { + // ## Normal instance method + + BreakpointEvent bpe = startTo("LambdaStepTestTarg", "instanceTest", "()V"); + ThreadReference thread = bpe.thread(); + + // step over allocation + StepEvent se = stepOverLine(thread); + System.out.println(se.thread().frame(0)); + + // step into test(); + se = stepIntoLine(thread); + System.out.println(se.thread().frame(0)); + + // step over variable initialization + se = stepOverLine(thread); + System.out.println(se.thread().frame(0)); + + // get value of variable "from" + StackFrame frame = se.thread().frame(0); + LocalVariable lv = frame.visibleVariableByName("from"); + System.out.println(lv); + StringReference sr = (StringReference) frame.getValue(lv); + if (!sr.value().equals("test")) { + throw new Exception("Unexpected variable value in instanceTest: "+sr.value()); + } + + + // ## Lambda method + + bpe = resumeTo("LambdaStepTestTarg", "lambdaTest", "()V"); + thread = bpe.thread(); + + // step over allocation + se = stepOverLine(thread); + System.out.println(se.thread().frame(0)); + + // step into run() of the lambda + se = stepIntoLine(thread); + System.out.println(se.thread().frame(0)); + + // step over variable initialization + se = stepOverLine(thread); + System.out.println(se.thread().frame(0)); + + // get value of variable "from" + frame = se.thread().frame(0); + lv = frame.visibleVariableByName("from"); + System.out.println(lv); + sr = (StringReference) frame.getValue(lv); + if (!sr.value().equals("lambda")) { + throw new Exception("Unexpected variable value in lambdaTest: "+sr.value()); + } + + + // ## Default method + + bpe = resumeTo("LambdaStepTestTarg", "defaultTest", "()V"); + thread = bpe.thread(); + + // step over allocation + se = stepOverLine(thread); + System.out.println(se.thread().frame(0)); + + // step into defaultMethod() + se = stepIntoLine(thread); + System.out.println(se.thread().frame(0)); + + // step over variable initialization + se = stepOverLine(thread); + System.out.println(se.thread().frame(0)); + + // get value of variable "from" + frame = se.thread().frame(0); + lv = frame.visibleVariableByName("from"); + System.out.println(lv); + sr = (StringReference) frame.getValue(lv); + if (!sr.value().equals("default")) { + throw new Exception("Unexpected variable value in lambdaTest: "+sr.value()); + } + + + /* + * resume the target listening for events + */ + listenUntilVMDisconnect(); + + } +}