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/*
* Copyright (c) 2015, 2016, 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 8173912
* @requires vm.jvmci
* @library / /test/lib
* @library ../common/patches
* @modules jdk.internal.vm.ci/jdk.vm.ci.hotspot:+open
* @build sun.hotspot.WhiteBox
* @run driver ClassFileInstaller sun.hotspot.WhiteBox
* sun.hotspot.WhiteBox$WhiteBoxPermission
* @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
* @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
* -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
* compiler.jvmci.compilerToVM.GetFlagValueTest
*/
package compiler.jvmci.compilerToVM;
import jdk.test.lib.Asserts;
import jdk.vm.ci.hotspot.CompilerToVMHelper;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.regex.Pattern;
import java.util.regex.Matcher;
import sun.hotspot.WhiteBox;
public class GetFlagValueTest {
public static void main(String[] args) throws Exception {
try {
CompilerToVMHelper.getFlagValue(null);
Asserts.fail("Expected NullPointerException when calling getFlagValue(null)");
} catch (NullPointerException e) {
// expected
}
Object missing = CompilerToVMHelper.getFlagValue("this is surely not a flag");
Asserts.assertEquals(CompilerToVMHelper.CTVM, missing);
ProcessBuilder pb;
OutputAnalyzer out;
pb = ProcessTools.createJavaProcessBuilder(
"-XX:+UnlockExperimentalVMOptions",
"-XX:+EnableJVMCI",
"-XX:+PrintFlagsFinal",
"-version");
out = new OutputAnalyzer(pb.start());
out.shouldHaveExitValue(0);
String[] lines = out.getStdout().split("\\r?\\n");
Asserts.assertTrue(lines.length > 1, "Expected output from -XX:+PrintFlagsFinal");
final WhiteBox wb = WhiteBox.getWhiteBox();
// Line example: ccstr PrintIdealGraphAddress = 127.0.0.1 {C2 notproduct} {default}
Pattern flagLine = Pattern.compile("(\\w+)\\s+(\\w+)\\s+:?= (?:(.+))\\{[^}]+\\}\\s+\\{[^}]+\\}");
for (String line : lines) {
if (line.indexOf('=') != -1) {
line = line.trim();
Matcher m = flagLine.matcher(line);
Asserts.assertTrue(m.matches(), "Unexpected line in -XX:+PrintFlagsFinal output: " + line);
String type = m.group(1);
String name = m.group(2);
String expect = m.group(3).trim();
Object value = CompilerToVMHelper.getFlagValue(name);
Object wbValue = wb.getVMFlag(name);
Asserts.assertEquals(value, wbValue, "Value of flag " + name);
}
}
}
}
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