96 lines
3.8 KiB
Java
96 lines
3.8 KiB
Java
/*
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* Copyright (c) 2015, 2022, 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 8173912
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* @requires vm.jvmci
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* @library / /test/lib
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* @library ../common/patches
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* @modules jdk.internal.vm.ci/jdk.vm.ci.hotspot:+open
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
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* @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
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* -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
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* compiler.jvmci.compilerToVM.GetFlagValueTest
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*/
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package compiler.jvmci.compilerToVM;
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import jdk.test.lib.Asserts;
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import jdk.vm.ci.hotspot.CompilerToVMHelper;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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import java.math.BigInteger;
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import java.util.Arrays;
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import java.util.regex.Pattern;
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import java.util.regex.Matcher;
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import jdk.test.whitebox.WhiteBox;
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public class GetFlagValueTest {
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public static void main(String[] args) throws Exception {
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try {
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CompilerToVMHelper.getFlagValue(null);
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Asserts.fail("Expected NullPointerException when calling getFlagValue(null)");
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} catch (NullPointerException e) {
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// expected
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}
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Object missing = CompilerToVMHelper.getFlagValue("this is surely not a flag");
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Asserts.assertEquals(CompilerToVMHelper.CTVM, missing);
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ProcessBuilder pb;
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OutputAnalyzer out;
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pb = ProcessTools.createJavaProcessBuilder(
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"-XX:+UnlockExperimentalVMOptions",
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"-XX:+EnableJVMCI",
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"-XX:+PrintFlagsFinal",
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"-version");
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out = new OutputAnalyzer(pb.start());
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out.shouldHaveExitValue(0);
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String[] lines = out.getStdout().split("\\r?\\n");
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Asserts.assertTrue(lines.length > 1, "Expected output from -XX:+PrintFlagsFinal");
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final WhiteBox wb = WhiteBox.getWhiteBox();
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// Line example: ccstr PrintIdealGraphAddress = 127.0.0.1 {C2 notproduct} {default}
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Pattern flagLine = Pattern.compile("(\\w+)\\s+(\\w+)\\s+:?= (?:(.+))\\{[^}]+\\}\\s+\\{[^}]+\\}");
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for (String line : lines) {
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if (line.indexOf('=') != -1) {
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line = line.trim();
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Matcher m = flagLine.matcher(line);
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Asserts.assertTrue(m.matches(), "Unexpected line in -XX:+PrintFlagsFinal output: " + line);
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String type = m.group(1);
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String name = m.group(2);
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String expect = m.group(3).trim();
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Object value = CompilerToVMHelper.getFlagValue(name);
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Object wbValue = wb.getVMFlag(name);
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Asserts.assertEquals(value, wbValue, "Value of flag " + name);
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}
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}
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}
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}
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