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Datei: examples4Q.pvs Sprache: JAVA

/*
* Copyright (c) 2017, 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 8175000
* @summary test jexec
* @build TestHelper
* @run main Jexec
*/

import java.io.File;
import java.io.IOException;

public class Jexec extends TestHelper {
    private final File testJar;
    private final File jexecCmd;
    private final String message = "Hello, do you read me ?";

    Jexec() throws IOException {
        jexecCmd = new File(JAVA_LIB, "jexec");
        if (!jexecCmd.exists() || !jexecCmd.canExecute()) {
            throw new Error("jexec: does not exist or not executable");
        }

        testJar = new File("test.jar");
        StringBuilder tsrc = new StringBuilder();
        tsrc.append("public static void main(String... args) {\n");
        tsrc.append(" for (String x : args) {\n");
        tsrc.append(" System.out.println(x);\n");
        tsrc.append(" }\n");
        tsrc.append("}\n");
        createJar(testJar, tsrc.toString());
    }

    public static void main(String... args) throws Exception {
        // linux is the only supported platform, give the others a pass
        if (!isLinux) {
            System.err.println("Warning: unsupported platform test passes vacuously");
            return;
        }
        // ok to run the test now
        Jexec t = new Jexec();
        t.run(null);
    }

    @Test
    void jexec() throws Exception {
        TestResult tr = doExec(jexecCmd.getAbsolutePath(),
                testJar.getAbsolutePath(), message);
        if (!tr.isOK()) {
            System.err.println(tr);
            throw new Exception("incorrect exit value");
        }
        if (!tr.contains(message)) {
            System.err.println(tr);
            throw new Exception("expected message \'" + message + "\' not found");
        }
    }
}

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