103 lines
3.8 KiB
Java
103 lines
3.8 KiB
Java
/*
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* Copyright (c) 2022, 2023, 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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* @bug 8292302
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* @summary Test persistence of native last error value under jdb (Windows)
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* @requires (os.family == "windows") & (vm.compMode != "Xcomp") & (vm.compMode != "Xint") & (vm.gc != "Z")
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* @library /test/lib
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* @enablePreview
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* @run main/othervm JdbLastErrorTest
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*/
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import jdk.test.lib.process.OutputAnalyzer;
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import lib.jdb.JdbCommand;
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import lib.jdb.JdbTest;
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import java.lang.foreign.FunctionDescriptor;
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import java.lang.foreign.Linker;
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import java.lang.foreign.SymbolLookup;
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import java.lang.foreign.ValueLayout;
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import java.lang.invoke.MethodHandle;
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class TestNativeLastError {
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static final int VALUE = 42;
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public static void main(String[] args) throws Throwable {
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testWindows();
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}
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private static void testWindows() throws Throwable {
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Linker linker = Linker.nativeLinker();
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System.loadLibrary("Kernel32");
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SymbolLookup lookup = SymbolLookup.loaderLookup();
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MethodHandle getLastError = linker.downcallHandle(
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lookup.find("GetLastError").orElseThrow(),
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FunctionDescriptor.of(ValueLayout.JAVA_INT));
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MethodHandle setLastError = linker.downcallHandle(
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lookup.find("SetLastError").orElseThrow(),
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FunctionDescriptor.ofVoid(ValueLayout.JAVA_INT));
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for (int i = 0; i < 10; i++) {
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setLastError.invoke(VALUE);
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int lastError = (int) getLastError.invoke();
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System.out.println("lastError = " + lastError);
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if (lastError != VALUE) {
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System.err.println("iteration " + i + " got lastError = " + lastError
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+ " (expected " + VALUE + ")");
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throw new RuntimeException("failed, lastError = " + lastError);
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}
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}
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}
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}
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public class JdbLastErrorTest extends JdbTest {
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public static void main(String argv[]) {
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LaunchOptions lo = new LaunchOptions(DEBUGGEE_CLASS);
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lo.addVMOptions("--enable-preview");
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new JdbLastErrorTest(lo).run();
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}
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private JdbLastErrorTest(LaunchOptions launchOptions) {
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super(launchOptions);
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}
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private static final String DEBUGGEE_CLASS = TestNativeLastError.class.getName();
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@Override
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protected void runCases() {
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// Simply run app within jdb.
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// App should finish and exit, or report last error mismatch on failure.
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JdbCommand runCommand = JdbCommand.run();
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runCommand.allowExit();
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jdb.command(runCommand);
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// Good lastError should be reported in debuggee output:
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new OutputAnalyzer(getDebuggeeOutput()).shouldMatch("lastError = " + Integer.toString(TestNativeLastError.VALUE));
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// Exception would be captured in jdb output:
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new OutputAnalyzer(jdb.getJdbOutput()).shouldNotMatch("failed, lastError = ");
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}
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}
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