/*

 * Copyright (c) 2013, 2015, 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

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 */

/*

 * @test

 * @summary Test the OutputAnalyzer reporting functionality,

 *     such as printing additional diagnostic info

 *     (exit code, stdout, stderr, command line, etc.)

 * @library /testlibrary

 * @modules java.base/sun.misc

 *          java.management

 */

import java.io.ByteArrayOutputStream;

import java.io.PrintStream;

public class OutputAnalyzerReportingTest {

    public static void main(String[] args) throws Exception {

        // Create the output analyzer under test

        String stdout = "aaaaaa";

        String stderr = "bbbbbb";

        OutputAnalyzer output = new OutputAnalyzer(stdout, stderr);

        // Expected summary values should be the same for all cases,

        // since the outputAnalyzer object is the same

        String expectedExitValue = "-1";

        String expectedSummary =

                " stdout: [" + stdout + "];\n" +

                " stderr: [" + stderr + "]\n" +

                " exitValue = " + expectedExitValue + "\n";

        DiagnosticSummaryTestRunner testRunner =

                new DiagnosticSummaryTestRunner();

        // should have exit value

        testRunner.init(expectedSummary);

        int unexpectedExitValue = 2;

        try {

            output.shouldHaveExitValue(unexpectedExitValue);

        } catch (RuntimeException e) { }

        testRunner.closeAndCheckResults();

        // should not contain

        testRunner.init(expectedSummary);

        try {

            output.shouldNotContain(stdout);

        } catch (RuntimeException e) { }

        testRunner.closeAndCheckResults();

        // should contain

        testRunner.init(expectedSummary);

        try {

            output.shouldContain("unexpected-stuff");

        } catch (RuntimeException e) { }

        testRunner.closeAndCheckResults();

        // should not match

        testRunner.init(expectedSummary);

        try {

            output.shouldNotMatch("[a]");

        } catch (RuntimeException e) { }

        testRunner.closeAndCheckResults();

        // should match

        testRunner.init(expectedSummary);

        try {

            output.shouldMatch("[qwerty]");

        } catch (RuntimeException e) { }

        testRunner.closeAndCheckResults();

    }

    private static class DiagnosticSummaryTestRunner {

        private ByteArrayOutputStream byteStream =

                new ByteArrayOutputStream(10000);

        private String expectedSummary = "";

        private PrintStream errStream;

        public void init(String expectedSummary) {

            this.expectedSummary = expectedSummary;

            byteStream.reset();

            errStream = new PrintStream(byteStream);

            System.setErr(errStream);

        }

        public void closeAndCheckResults() {

            // check results

            errStream.close();

            String stdErrStr = byteStream.toString();

            if (!stdErrStr.contains(expectedSummary)) {

                throw new RuntimeException("The output does not contain "

                    + "the diagnostic message, or the message is incorrect");

            }

        }

    }

}