russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
85 lines
3.4 KiB
Java
85 lines
3.4 KiB
Java
/*
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* Copyright (c) 2020, 2026, 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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* @summary Unit test for java.lang.ProcessBuilder inheritance of standard output and standard error streams
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* @bug 8023130 8166026
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* @requires vm.flagless
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* @library /test/lib
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* @build jdk.test.lib.process.*
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* @run junit InheritIOTest
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*/
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import java.util.List;
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import static java.lang.ProcessBuilder.Redirect.INHERIT;
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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 static org.junit.jupiter.api.Assertions.*;
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.Arguments;
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import org.junit.jupiter.params.provider.MethodSource;
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public class InheritIOTest {
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private static final String EXIT_VALUE_TEMPLATE = "exit value: %d";
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private static final String EXPECTED_RESULT_STDOUT = "message";
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private static final String EXPECTED_RESULT_STDERR = EXIT_VALUE_TEMPLATE.formatted(0);
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public static List<Arguments> testCases() {
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return List.of(
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Arguments.of(List.of("InheritIOTest$TestInheritIO", "printf", EXPECTED_RESULT_STDOUT)),
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Arguments.of(List.of("InheritIOTest$TestRedirectInherit", "printf", EXPECTED_RESULT_STDOUT))
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);
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}
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@ParameterizedTest
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@MethodSource("testCases")
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public void testInheritWithoutRedirect(List<String> arguments) throws Throwable {
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ProcessBuilder processBuilder = ProcessTools.createLimitedTestJavaProcessBuilder(arguments);
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OutputAnalyzer outputAnalyzer = ProcessTools.executeCommand(processBuilder);
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outputAnalyzer.shouldHaveExitValue(0);
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assertEquals(EXPECTED_RESULT_STDOUT, outputAnalyzer.getStdout());
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assertEquals(EXPECTED_RESULT_STDERR, outputAnalyzer.getStderr());
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}
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public static class TestInheritIO {
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public static void main(String[] args) throws Throwable {
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int err = new ProcessBuilder(args).inheritIO().start().waitFor();
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System.err.printf(EXIT_VALUE_TEMPLATE, err);
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System.exit(err);
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}
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}
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public static class TestRedirectInherit {
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public static void main(String[] args) throws Throwable {
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int err = new ProcessBuilder(args)
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.redirectInput(INHERIT)
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.redirectOutput(INHERIT)
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.redirectError(INHERIT)
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.start().waitFor();
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System.err.printf(EXIT_VALUE_TEMPLATE, err);
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System.exit(err);
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}
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}
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}
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