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/*
* Copyright (c) 2020, 2023, 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 8023130 8166026
* @summary Unit test for java.lang.ProcessBuilder inheritance of standard output and standard error streams
* @requires vm.flagless
* @library /test/lib
* @build jdk.test.lib.process.*
* @run testng InheritIOTest
*/
import java.util.List;
import static java.lang.ProcessBuilder.Redirect.INHERIT;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import static org.testng.Assert.*;
public class InheritIOTest {
private static final String EXIT_VALUE_TEMPLATE = "exit value: %d";
private static final String EXPECTED_RESULT_STDOUT = "message";
private static final String EXPECTED_RESULT_STDERR = EXIT_VALUE_TEMPLATE.formatted(0);
@DataProvider
public Object[][] testCases() {
return new Object[][]{
new Object[] { List.of("InheritIOTest$TestInheritIO", "printf", EXPECTED_RESULT_STDOUT) },
new Object[] { List.of("InheritIOTest$TestRedirectInherit", "printf", EXPECTED_RESULT_STDOUT) }
};
}
@Test(dataProvider = "testCases")
public void testInheritWithoutRedirect(List<String> arguments) throws Throwable {
ProcessBuilder processBuilder = ProcessTools.createLimitedTestJavaProcessBuilder(arguments);
OutputAnalyzer outputAnalyzer = ProcessTools.executeCommand(processBuilder);
outputAnalyzer.shouldHaveExitValue(0);
assertEquals(outputAnalyzer.getStdout(), EXPECTED_RESULT_STDOUT);
assertEquals(outputAnalyzer.getStderr(), EXPECTED_RESULT_STDERR);
}
public static class TestInheritIO {
public static void main(String args[]) throws Throwable {
int err = new ProcessBuilder(args).inheritIO().start().waitFor();
System.err.printf(EXIT_VALUE_TEMPLATE, err);
System.exit(err);
}
}
public static class TestRedirectInherit {
public static void main(String args[]) throws Throwable {
int err = new ProcessBuilder(args)
.redirectInput(INHERIT)
.redirectOutput(INHERIT)
.redirectError(INHERIT)
.start().waitFor();
System.err.printf(EXIT_VALUE_TEMPLATE, err);
System.exit(err);
}
}
}
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