101 lines
3.5 KiB
Java
101 lines
3.5 KiB
Java
/*
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @summary Verifies NotifyFramePop request is cleared if JVMTI_EVENT_FRAME_POP is disabled
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* @requires vm.jvmti
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* @library /test/lib
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* @compile NotifyFramePopTest.java
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* @run main/othervm/native -agentlib:NotifyFramePopTest NotifyFramePopTest
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*/
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import jtreg.SkippedException;
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public class NotifyFramePopTest {
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static {
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try {
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System.loadLibrary("NotifyFramePopTest");
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} catch (UnsatisfiedLinkError ex) {
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System.err.println("Could not load NotifyFramePopTest library");
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System.err.println("java.library.path:"
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+ System.getProperty("java.library.path"));
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throw ex;
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}
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}
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public static void main(String args[]) {
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if (!canGenerateFramePopEvents()) {
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throw new SkippedException("FramePop event is not supported");
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}
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// Sanity testing that FRAME_POP works.
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test("sanity", true, () -> {
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setFramePopNotificationMode(true);
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notifyFramePop(null);
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});
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// Request notification and then disable FRAME_POP event notification.
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// This should not prevent the notification for the frame being cleared
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// when we return from the method.
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test("requestAndDisable", false, () -> {
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setFramePopNotificationMode(true);
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notifyFramePop(null);
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setFramePopNotificationMode(false);
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});
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// Ensure there is no pending event
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test("ensureCleared", false, () -> {
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setFramePopNotificationMode(true);
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});
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log("Test PASSED");
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}
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private native static boolean canGenerateFramePopEvents();
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private native static void setFramePopNotificationMode(boolean enabled);
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private native static void notifyFramePop(Thread thread);
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private native static boolean framePopReceived();
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private static void log(String msg) {
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System.out.println(msg);
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}
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private interface Test {
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void test();
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}
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private static void test(String name, boolean framePopExpected, Test theTest) {
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log("test: " + name);
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theTest.test();
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boolean actual = framePopReceived();
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if (framePopExpected != actual) {
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throw new RuntimeException("unexpected notification:"
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+ " FramePop expected: " + (framePopExpected ? "yes" : "no")
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+ ", actually received: " + (actual ? "yes" : "no"));
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}
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log(" - OK (" + (actual ? "received" : "NOT received") + ")");
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}
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}
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