/* * Copyright (c) 2022, 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.
*/
import java.io.File; import java.nio.file.Files;
import jdk.test.lib.process.ProcessTools;
/** * @test * @bug 8295803 8299689 * @summary Tests System.console() works with standard input redirection. * @library /test/lib * @run main RedirectTest * @run main/othervm -Djdk.console=jdk.internal.le RedirectTest
*/ publicclass RedirectTest { privatestaticfinal String SYSPROP = "jdk.console";
publicstaticvoid main(String... args) throws Throwable { if (args.length == 0) { // no arg will launch the child process that actually perform tests var pb = ProcessTools.createTestJvm( "-D" + SYSPROP + "=" + System.getProperty(SYSPROP, ""), "RedirectTest", "dummy"); var input = new File(System.getProperty("test.src", "."), "input.txt");
pb.redirectInput(input); var oa = ProcessTools.executeProcess(pb); if (oa.getExitValue() == 1) {
System.out.println("System.console() returns null. Ignoring the test.");
} else { var output = oa.asLines(); var expected = Files.readAllLines(input.toPath()); if (!output.equals(expected)) { thrownew RuntimeException("""
Standard out had unexpected strings:
Actual output: %s
Expected output: %s """.formatted(output, expected));
} else {
oa.shouldHaveExitValue(0);
System.out.println("Redirect succeeded.");
}
}
} else { var con = System.console(); if (con != null) {
String line; while ((line = con.readLine()) != null) {
System.out.println(line);
}
} else { // Exit with 1
System.exit(1);
}
}
}
}
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