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/*
* Copyright (c) 2015, 2017, 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 8136421
* @requires vm.jvmci
* @library / /test/lib
* @library ../common/patches
* @modules java.base/jdk.internal.misc
* @modules jdk.internal.vm.ci/jdk.vm.ci.hotspot
* @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
* @run driver compiler.jvmci.compilerToVM.DebugOutputTest
*/
package compiler.jvmci.compilerToVM;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import jdk.vm.ci.hotspot.CompilerToVMHelper;
import java.util.Arrays;
import java.nio.file.Path;
import java.nio.file.Paths;
public class DebugOutputTest {
private static final String VM_CI_MODULE = "jdk.internal.vm.ci";
public static void main(String[] args) {
new DebugOutputTest().test();
}
private void test() {
for (TestCaseData testCase : TestCaseData.values()) {
System.out.println(testCase);
OutputAnalyzer oa;
try {
Path patch = Paths.get(System.getProperty("test.patch.path"));
Path jvmciPath = patch.resolve(VM_CI_MODULE).toAbsolutePath();
if (!jvmciPath.toFile().exists()) {
throw new Error("TESTBUG: patch for " + VM_CI_MODULE + " : "
+ jvmciPath.toString() + " does not exist");
}
oa = ProcessTools.executeTestJvm(
"-XX:+UnlockExperimentalVMOptions",
"-XX:+EnableJVMCI",
"--add-exports", "java.base/jdk.internal.misc=ALL-UNNAMED",
"--add-exports", "jdk.internal.vm.ci/jdk.vm.ci.hotspot=ALL-UNNAMED",
"--patch-module", VM_CI_MODULE + "=" + jvmciPath.toString(),
DebugOutputTest.Worker.class.getName(),
testCase.name());
} catch (Throwable e) {
e.printStackTrace();
throw new Error("Problems running child process", e);
}
if (testCase.expectedException != null) {
oa.shouldHaveExitValue(1);
oa.shouldContain(testCase.expectedException.getName());
} else {
oa.shouldHaveExitValue(0);
oa.shouldContain(new String(testCase.getExpected()));
}
}
}
/**
* A list of test cases that are executed in forked VM
*/
private enum TestCaseData {
PART_ARRAY(100, 50),
FULL_ARRAY(0, 255),
EMPTY(0, 0),
NEGATIVE_LENGTH(0, Integer.MIN_VALUE,
ArrayIndexOutOfBoundsException.class),
NEGATIVE_OFFSET(-1, 255,
ArrayIndexOutOfBoundsException.class),
LEFT_BOUND(Integer.MIN_VALUE, 100,
ArrayIndexOutOfBoundsException.class),
RIGHT_BOUND(Integer.MAX_VALUE, 100,
ArrayIndexOutOfBoundsException.class),
BIG_LENGTH(0, Integer.MAX_VALUE,
ArrayIndexOutOfBoundsException.class),
NULL_POINTER(0, 0,
NullPointerException.class),
;
private static final int SIZE = 255;
private static final byte[] DATA = generate();
public final int offset;
public final int length;
public final Class<? extends Throwable> expectedException;
private TestCaseData(int offset, int length,
Class<? extends Throwable> expectedException) {
this.offset = offset;
this.length = length;
this.expectedException = expectedException;
}
private TestCaseData(int offset, int length) {
this(offset, length, null);
}
private static byte[] generate() {
byte[] byteArray = new byte[SIZE];
for (int i = 0; i < SIZE; i++) {
byteArray[i] = (byte) (i + 1);
}
return byteArray;
}
public byte[] getExpected() {
if (expectedException != null) {
return new byte[0];
}
return Arrays.copyOfRange(TestCaseData.DATA, offset,
offset + length);
}
@Override
public String toString() {
return "CASE: " + this.name();
}
public byte[] getData() {
if (equals(NULL_POINTER)) {
return null;
} else {
return DATA;
}
}
}
public static class Worker {
public static void main(String[] args) {
for (String arg : args) {
TestCaseData tcase = TestCaseData.valueOf(arg);
CompilerToVMHelper.writeDebugOutput(tcase.getData(),
tcase.offset, tcase.length);
CompilerToVMHelper.flushDebugOutput();
}
}
}
}
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