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/*
* 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
*/
public class RedirectTest {
private static final String SYSPROP = "jdk.console";
public static void main(String... args) throws Throwable {
if (args.length == 0) {
// no arg will launch the child process that actually perform tests
var pb = ProcessTools.createTestJavaProcessBuilder(
"-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)) {
throw new 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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