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