jdk-24/test/hotspot/jtreg/testlibrary_tests/OutputAnalyzerTest.java

/*
 * Copyright (c) 2013, 2016, 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
 * @summary Test the OutputAnalyzer utility class
 * @library /test/lib
 * @modules java.base/jdk.internal.misc
 *          java.management
 */

import jdk.test.lib.process.OutputAnalyzer;

public class OutputAnalyzerTest {

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

    String stdout = "aaaaaa";
    String stderr = "bbbbbb";

    // Regexps used for testing pattern matching of the test input
    String stdoutPattern = "[a]";
    String stderrPattern = "[b]";
    String nonExistingPattern = "[c]";

    OutputAnalyzer output = new OutputAnalyzer(stdout, stderr);

    if (!stdout.equals(output.getStdout())) {
      throw new Exception("getStdout() returned '" + output.getStdout() + "', expected '" + stdout + "'");
    }

    if (!stderr.equals(output.getStderr())) {
      throw new Exception("getStderr() returned '" + output.getStderr() + "', expected '" + stderr + "'");
    }

    try {
      output.shouldContain(stdout);
      output.stdoutShouldContain(stdout);
      output.shouldContain(stderr);
      output.stderrShouldContain(stderr);
    } catch (RuntimeException e) {
      throw new Exception("shouldContain() failed", e);
    }

    try {
      output.shouldContain("cccc");
      throw new Exception("shouldContain() failed to throw exception");
    } catch (RuntimeException e) {
      // expected
    }

    try {
      output.stdoutShouldContain(stderr);
      throw new Exception("stdoutShouldContain() failed to throw exception");
    } catch (RuntimeException e) {
      // expected
    }

    try {
      output.stderrShouldContain(stdout);
      throw new Exception("stdoutShouldContain() failed to throw exception");
    } catch (RuntimeException e) {
      // expected
    }

    try {
      output.shouldNotContain("cccc");
      output.stdoutShouldNotContain("cccc");
      output.stderrShouldNotContain("cccc");
    } catch (RuntimeException e) {
      throw new Exception("shouldNotContain() failed", e);
    }

    try {
      output.shouldNotContain(stdout);
      throw new Exception("shouldContain() failed to throw exception");
    } catch (RuntimeException e) {
      // expected
    }

    try {
      output.stdoutShouldNotContain(stdout);
      throw new Exception("shouldContain() failed to throw exception");
    } catch (RuntimeException e) {
      // expected
    }

    try {
        output.stderrShouldNotContain(stderr);
        throw new Exception("shouldContain() failed to throw exception");
    } catch (RuntimeException e) {
        // expected
    }

    // Should match
    try {
        output.shouldMatch(stdoutPattern);
        output.stdoutShouldMatch(stdoutPattern);
        output.shouldMatch(stderrPattern);
        output.stderrShouldMatch(stderrPattern);
    } catch (RuntimeException e) {
        throw new Exception("shouldMatch() failed", e);
    }

    try {
        output.shouldMatch(nonExistingPattern);
        throw new Exception("shouldMatch() failed to throw exception");
    } catch (RuntimeException e) {
        // expected
    }

    try {
        output.stdoutShouldMatch(stderrPattern);
        throw new Exception(
                "stdoutShouldMatch() failed to throw exception");
    } catch (RuntimeException e) {
        // expected
    }

    try {
        output.stderrShouldMatch(stdoutPattern);
        throw new Exception(
                "stderrShouldMatch() failed to throw exception");
    } catch (RuntimeException e) {
        // expected
    }

    // Should not match
    try {
        output.shouldNotMatch(nonExistingPattern);
        output.stdoutShouldNotMatch(nonExistingPattern);
        output.stderrShouldNotMatch(nonExistingPattern);
    } catch (RuntimeException e) {
        throw new Exception("shouldNotMatch() failed", e);
    }

    try {
        output.shouldNotMatch(stdoutPattern);
        throw new Exception("shouldNotMatch() failed to throw exception");
    } catch (RuntimeException e) {
        // expected
    }

    try {
        output.stdoutShouldNotMatch(stdoutPattern);
        throw new Exception("shouldNotMatch() failed to throw exception");
    } catch (RuntimeException e) {
        // expected
    }

    try {
        output.stderrShouldNotMatch(stderrPattern);
        throw new Exception("shouldNotMatch() failed to throw exception");
    } catch (RuntimeException e) {
        // expected
    }

    {
      String aaaa = "aaaa";
      String result = output.firstMatch(aaaa);
      if (!aaaa.equals(result)) {
        throw new Exception("firstMatch(String) faild to match. Expected: " + aaaa + " got: " + result);
      }
    }

    {
      String aa = "aa";
      String aa_grouped_aa = aa + "(" + aa + ")";
      String result = output.firstMatch(aa_grouped_aa, 1);
      if (!aa.equals(result)) {
        throw new Exception("firstMatch(String, int) failed to match. Expected: " + aa + " got: " + result);
      }
    }
  }
}