113 lines
4.5 KiB
Java
113 lines
4.5 KiB
Java
/*
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* Copyright (c) 2015, 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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package gc.arguments;
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/*
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* @test TestG1ConcMarkStepDurationMillis
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* @requires vm.gc.G1 & vm.opt.G1ConcMarkStepDurationMillis == null
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* @summary Tests argument processing for double type flag, G1ConcMarkStepDurationMillis
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* @library /test/lib
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* @library /
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* @modules java.base/jdk.internal.misc
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* java.management
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* @run driver gc.arguments.TestG1ConcMarkStepDurationMillis
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*/
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import jdk.test.lib.process.OutputAnalyzer;
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import java.util.*;
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import java.util.regex.*;
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public class TestG1ConcMarkStepDurationMillis {
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static final int PASS = 0;
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static final int FAIL_IMPROPER_VALUE = 1;
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static final int FAIL_OUT_RANGE = 2;
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static final String DOUBLE_1 = "1.0";
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static final String DOUBLE_MAX = "1.79e+308";
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static final String DOUBLE_NEG_EXP = "1.0e-30";
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static final String NEG_DOUBLE_1 = "-1.0";
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static final String DOUBLE_INF = "1.79e+309";
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static final String NEG_DOUBLE_INF = "-1.79e+309";
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static final String DOUBLE_NAN = "abe+309";
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static final String WRONG_DOUBLE_1 = "1.79e+308e";
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static final String WRONG_DOUBLE_2 = "1.79ee+308";
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public static void main(String args[]) throws Exception {
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// Pass cases
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runG1ConcMarkStepDurationMillisTest(DOUBLE_1, PASS);
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runG1ConcMarkStepDurationMillisTest(DOUBLE_MAX, PASS);
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// Fail cases: out of range
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runG1ConcMarkStepDurationMillisTest(DOUBLE_NEG_EXP, FAIL_OUT_RANGE);
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runG1ConcMarkStepDurationMillisTest(NEG_DOUBLE_1, FAIL_OUT_RANGE);
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// Fail cases: not double
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runG1ConcMarkStepDurationMillisTest(DOUBLE_INF, FAIL_IMPROPER_VALUE);
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runG1ConcMarkStepDurationMillisTest(NEG_DOUBLE_INF, FAIL_IMPROPER_VALUE);
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runG1ConcMarkStepDurationMillisTest(DOUBLE_NAN, FAIL_IMPROPER_VALUE);
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runG1ConcMarkStepDurationMillisTest(WRONG_DOUBLE_1, FAIL_IMPROPER_VALUE);
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runG1ConcMarkStepDurationMillisTest(WRONG_DOUBLE_2, FAIL_IMPROPER_VALUE);
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}
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private static void runG1ConcMarkStepDurationMillisTest(String expectedValue, int expectedResult) throws Exception {
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List<String> vmOpts = new ArrayList<>();
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Collections.addAll(vmOpts, "-XX:+UseG1GC", "-XX:G1ConcMarkStepDurationMillis="+expectedValue, "-XX:+PrintFlagsFinal", "-version");
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OutputAnalyzer output = GCArguments.executeTestJava(vmOpts);
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output.shouldHaveExitValue(expectedResult == PASS ? 0 : 1);
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String stdout = output.getStdout();
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if (expectedResult == PASS) {
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checkG1ConcMarkStepDurationMillisConsistency(stdout, expectedValue);
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} else if (expectedResult == FAIL_IMPROPER_VALUE) {
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output.shouldContain("Improperly specified VM option");
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} else if (expectedResult == FAIL_OUT_RANGE) {
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output.shouldContain("outside the allowed range");
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}
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}
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private static void checkG1ConcMarkStepDurationMillisConsistency(String output, String expectedValue) {
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double actualValue = getDoubleValue("G1ConcMarkStepDurationMillis", output);
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if (Double.parseDouble(expectedValue) != actualValue) {
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throw new RuntimeException(
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"Actual G1ConcMarkStepDurationMillis(" + Double.toString(actualValue)
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+ ") is not equal to expected value(" + expectedValue + ")");
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}
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}
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public static double getDoubleValue(String flag, String where) {
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Matcher m = Pattern.compile(flag + "\\s+:?=\\s+\\d+").matcher(where);
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if (!m.find()) {
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throw new RuntimeException("Could not find value for flag " + flag + " in output string");
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}
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String match = m.group();
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return Double.parseDouble(match.substring(match.lastIndexOf(" ") + 1, match.length()));
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}
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}
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