8027371: Add JDI tests for breakpointing and stepping in lambda code
Reviewed-by: mchung, sspitsyn
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/com/sun/jdi/LambdaBreakpointTest.java Tue Oct 29 08:10:32 2013 +0100
@@ -0,0 +1,110 @@
+/*
+ * 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.
+ */
+
+/********** LINE NUMBER SENSITIVE! *****************************************************************/
+
+/**
+ * @test
+ * @summary Test setting breakpoints on lambda calls
+ *
+ * @author Staffan Larsen
+ *
+ * @run build TestScaffold VMConnection TargetListener TargetAdapter
+ * @run compile -g LambdaBreakpointTest.java
+ * @run main LambdaBreakpointTest
+ */
+import java.util.List;
+
+import com.sun.jdi.LocalVariable;
+import com.sun.jdi.Location;
+import com.sun.jdi.Method;
+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 **********/
+
+class LambdaBreakpointTestTarg {
+
+ static int[] breakpointLines = {
+ 62, 66, 63, 64, 65, 67
+ };
+
+ public static void main(String[] args) {
+ test();
+ }
+
+ private static void test() {
+ Runnable r = () -> { // B1: L62
+ String from = "lambda"; // B3: L63
+ System.out.println("Hello from " + from); // B4: L64
+ }; // B5: L65
+ r.run(); // B2: L66
+ System.out.println("Goodbye."); // B6: L67
+ }
+}
+
+
+ /********** test program **********/
+
+public class LambdaBreakpointTest extends TestScaffold {
+
+ LambdaBreakpointTest (String args[]) {
+ super(args);
+ }
+
+ public static void main(String[] args)
+ throws Exception
+ {
+ new LambdaBreakpointTest (args).startTests();
+ }
+
+ /********** test core **********/
+
+ protected void runTests()
+ throws Exception
+ {
+ startToMain("LambdaBreakpointTestTarg");
+
+ // Put a breakpoint on each location in the order they should happen
+ for (int line : LambdaBreakpointTestTarg.breakpointLines) {
+ System.out.println("Running to line: " + line);
+ BreakpointEvent be = resumeTo("LambdaBreakpointTestTarg", line);
+ int stoppedAt = be.location().lineNumber();
+ System.out.println("Stopped at line: " + stoppedAt);
+ if (stoppedAt != line) {
+ throw new Exception("Stopped on the wrong line: "
+ + stoppedAt + " != " + line);
+ }
+ }
+
+ /*
+ * resume the target listening for events
+ */
+ listenUntilVMDisconnect();
+ }
+}
--- /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();
+
+ }
+}