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/*
* Copyright (c) 2022, 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
* @bug 8292302
* @summary Test persistence of native last error value under jdb (Windows)
* @requires (os.family == "windows") & (vm.compMode != "Xcomp") & (vm.compMode != "Xint")
* @library /test/lib
* @enablePreview
* @run main/othervm JdbLastErrorTest
*/
import jdk.test.lib.process.OutputAnalyzer;
import lib.jdb.JdbCommand;
import lib.jdb.JdbTest;
import java.lang.foreign.FunctionDescriptor;
import java.lang.foreign.Linker;
import java.lang.foreign.SymbolLookup;
import java.lang.foreign.ValueLayout;
import java.lang.invoke.MethodHandle;
class TestNativeLastError {
static final int VALUE = 42;
public static void main(String[] args) throws Throwable {
testWindows();
}
private static void testWindows() throws Throwable {
Linker linker = Linker.nativeLinker();
System.loadLibrary("Kernel32");
SymbolLookup lookup = SymbolLookup.loaderLookup();
MethodHandle getLastError = linker.downcallHandle(
lookup.find("GetLastError").orElseThrow(),
FunctionDescriptor.of(ValueLayout.JAVA_INT));
MethodHandle setLastError = linker.downcallHandle(
lookup.find("SetLastError").orElseThrow(),
FunctionDescriptor.ofVoid(ValueLayout.JAVA_INT));
for (int i = 0; i < 10; i++) {
setLastError.invoke(VALUE);
int lastError = (int) getLastError.invoke();
System.out.println(lastError);
if (lastError != VALUE) {
throw new RuntimeException("failed, lastError = " + lastError);
}
}
}
}
public class JdbLastErrorTest extends JdbTest {
public static void main(String argv[]) {
LaunchOptions lo = new LaunchOptions(DEBUGGEE_CLASS);
lo.addVMOptions("--enable-preview");
new JdbLastErrorTest(lo).run();
}
private JdbLastErrorTest(LaunchOptions launchOptions) {
super(launchOptions);
}
private static final String DEBUGGEE_CLASS = TestNativeLastError.class.getName();
@Override
protected void runCases() {
// Simply run app within jdb.
// App should finish and exit, or report last error mismatch on failure.
JdbCommand runCommand = JdbCommand.run();
runCommand.allowExit();
jdb.command(runCommand);
new OutputAnalyzer(jdb.getJdbOutput()).shouldMatch("The application exited");
new OutputAnalyzer(jdb.getJdbOutput()).shouldNotMatch("failed, lastError = ");
}
}
¤ Dauer der Verarbeitung: 0.18 Sekunden
(vorverarbeitet)
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