| /* |
| * Copyright (c) 2007, 2018, 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 |
| * @modules java.base/jdk.internal.misc:+open |
| * |
| * @summary converted from VM Testbase nsk/jdi/ThreadReference/forceEarlyReturn/forceEarlyReturn008. |
| * VM Testbase keywords: [quick, jpda, jdi, feature_jdk6_jpda, vm6] |
| * VM Testbase readme: |
| * DESCRIPTION |
| * The test checks that a result of the method com.sun.jdi.forceEarlyReturn(Value value) |
| * complies with its specification. The test checks: |
| * - after force return no extra StepEvent events are generated |
| * - MethodExitEvent is generated as it would be in a normal return |
| * Test scenario: |
| * Following thread class is used in debuggee VM: |
| * 1 class TestThread |
| * 2 extends Thread |
| * 3 { |
| * 4 public void run() |
| * 5 { |
| * 6 methodForEarlyReturn(); |
| * 7 } |
| * 8 |
| * 9 public int methodForEarlyReturn() |
| * 10 { |
| * 11 // next line for breakpoint |
| * 12 int i = 0; |
| * 13 |
| * 14 // dummy code, test thread shouldn't execute this code and StepEvents shouldn't be generated for this code |
| * 15 for(i = 0; i < 100; i++) |
| * 16 { |
| * 17 int j = 0; |
| * 18 j = j + i; |
| * 19 } |
| * 20 |
| * 21 return 0; |
| * 22 } |
| * 23 } |
| * Debugger set breakpoint in TestThread.methodForEarlyReturn() at line marked in this description as 12 and force debugee |
| * start this thread. |
| * When test thread stop at breakpoint debuggeer initializes StepRequest for this thread, starts event listener thread |
| * which counting StepEvents, call forceEarlyReturn for test thread and resume debuggee VM. |
| * Then, debugger waits when debuggee's test thread finish execution and check that number of received step events |
| * is equal 2: |
| * - 1st step: thread exit from methodForEarlyReturn() |
| * - 2ns step: thread exit from run() |
| * Also debugger checks that MethodExitEvent is generated after forceEarlyReturn. |
| * |
| * @library /vmTestbase |
| * /test/lib |
| * @run driver jdk.test.lib.FileInstaller . . |
| * @build nsk.jdi.ThreadReference.forceEarlyReturn.forceEarlyReturn008.forceEarlyReturn008 |
| * nsk.jdi.ThreadReference.forceEarlyReturn.forceEarlyReturn008.forceEarlyReturn008a |
| * @run main/othervm PropertyResolvingWrapper |
| * nsk.jdi.ThreadReference.forceEarlyReturn.forceEarlyReturn008.forceEarlyReturn008 |
| * -verbose |
| * -arch=${os.family}-${os.simpleArch} |
| * -waittime=5 |
| * -debugee.vmkind=java |
| * -transport.address=dynamic |
| * "-debugee.vmkeys=${test.vm.opts} ${test.java.opts}" |
| */ |
| |
| package nsk.jdi.ThreadReference.forceEarlyReturn.forceEarlyReturn008; |
| |
| import java.io.PrintStream; |
| import com.sun.jdi.*; |
| import com.sun.jdi.event.*; |
| import com.sun.jdi.request.*; |
| import nsk.share.Consts; |
| import nsk.share.jdi.EventHandler; |
| import nsk.share.jdi.ForceEarlyReturnDebugger; |
| |
| public class forceEarlyReturn008 extends ForceEarlyReturnDebugger { |
| public static void main(String argv[]) { |
| System.exit(run(argv, System.out) + Consts.JCK_STATUS_BASE); |
| } |
| |
| public String debuggeeClassName() { |
| return nsk.jdi.ThreadReference.forceEarlyReturn.forceEarlyReturn008.forceEarlyReturn008a.class.getName(); |
| } |
| |
| public static int run(String argv[], PrintStream out) { |
| return new forceEarlyReturn008().runIt(argv, out); |
| } |
| |
| // event listener which counts StepEvents and checks is MethodExitEvent was generated |
| public class EventsListener extends EventHandler.EventListener { |
| int totalStepEvents; |
| |
| boolean methodExitEventReceived; |
| |
| public boolean eventReceived(Event event) { |
| if (event instanceof StepEvent) { |
| log.display(++totalStepEvents + " " + ((StepEvent) event)); |
| |
| if (!(((StepEvent) event).location().method().name().equals("run"))) { |
| setSuccess(false); |
| log.complain("Event was generated for unexpected method: " + ((StepEvent) event).location().method()); |
| } |
| |
| vm.resume(); |
| |
| return true; |
| } |
| if (event instanceof MethodExitEvent) { |
| if (((MethodExitEvent) event).method().name().equals(forceEarlyReturn008a.breakpointMethod)) { |
| methodExitEventReceived = true; |
| } |
| |
| return true; |
| } |
| |
| return false; |
| } |
| } |
| |
| public void doTest() { |
| // set breakpoint in TestThread.intMethod |
| BreakpointRequest breakpointRequest; |
| |
| breakpointRequest = debuggee.makeBreakpoint(debuggee.classByName(forceEarlyReturn008a.TestThread.class.getName()), |
| forceEarlyReturn008a.breakpointMethod, forceEarlyReturn008a.breakpointLine); |
| |
| breakpointRequest.setSuspendPolicy(EventRequest.SUSPEND_EVENT_THREAD); |
| breakpointRequest.enable(); |
| |
| // force debuggee start TestThread |
| pipe.println(forceEarlyReturn008a.COMMAND_START_TEST_THREAD); |
| |
| waitForBreakpoint(breakpointRequest); |
| |
| ThreadReference threadReference = debuggee.threadByName(forceEarlyReturn008a.testThreadName); |
| |
| // initialize step request for TestThread |
| StepRequest stepRequest = debuggee.getEventRequestManager().createStepRequest(threadReference, StepRequest.STEP_LINE, StepRequest.STEP_INTO); |
| stepRequest.setSuspendPolicy(EventRequest.SUSPEND_ALL); |
| stepRequest.addClassFilter(debuggee.classByName(forceEarlyReturn008a.TestThread.class.getName())); |
| stepRequest.enable(); |
| |
| EventHandler eventHandler = new EventHandler(debuggee, log); |
| eventHandler.startListening(); |
| |
| // add event listener |
| EventsListener eventListener = new EventsListener(); |
| eventHandler.addListener(eventListener); |
| |
| // create MethodExitRequest for tested thread |
| MethodExitRequest methodExitRequest; |
| methodExitRequest = debuggee.getEventRequestManager().createMethodExitRequest(); |
| methodExitRequest.addThreadFilter(threadReference); |
| methodExitRequest.setSuspendPolicy(EventRequest.SUSPEND_NONE); |
| methodExitRequest.enable(); |
| |
| try { |
| threadReference.forceEarlyReturn(vm.mirrorOf(0)); |
| } catch (Throwable t) { |
| setSuccess(false); |
| t.printStackTrace(log.getOutStream()); |
| log.complain("Unexpected exception: " + t); |
| } |
| |
| vm.resume(); |
| |
| // wait READY signal for previous command 'forceEarlyReturn008a.COMMAND_START_TEST_THREAD' |
| if (!isDebuggeeReady()) |
| return; |
| |
| pipe.println(forceEarlyReturn008a.COMMAND_JOIN_TEST_THREAD); |
| |
| if (!isDebuggeeReady()) |
| return; |
| |
| // expect only 2 step events: |
| // - exit from methodForEarlyReturn() |
| // - exit from run() |
| if (eventListener.totalStepEvents != 2) { |
| setSuccess(false); |
| log.complain("Unexpected number of step events: " + eventListener + ", only 2 is expected"); |
| } |
| |
| if (!eventListener.methodExitEventReceived) { |
| setSuccess(false); |
| log.complain("MethodExit event wasn't generated"); |
| } |
| |
| eventHandler.stopEventHandler(); |
| } |
| } |
