Quelle concurrentTestRunner.inline.hpp Sprache: C

/*
* Copyright (c) 2021, 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.
*/

#ifndef GTEST_CONCURRENT_TEST_RUNNER_INLINE_HPP
#define GTEST_CONCURRENT_TEST_RUNNER_INLINE_HPP

#include "memory/allocation.hpp"
#include "runtime/semaphore.hpp"
#include "runtime/thread.inline.hpp"
#include "threadHelper.inline.hpp"

// This file contains helper classes to run unit tests concurrently in multiple threads.

// Base class for test runnable. Override runUnitTest() to specify what to run.
class TestRunnable {
public:
  virtual void runUnitTest() const = 0;
};

// This class represents a thread for a unit test.
class UnitTestThread : public JavaTestThread {
public:
  // runnableArg - what to run
  // doneArg - a semaphore to notify when the thread is done running
  // testDurationArg - how long to run (in milliseconds)
  UnitTestThread(TestRunnable* const runnableArg, Semaphore* doneArg, const long testDurationArg) :
    JavaTestThread(doneArg), runnable(runnableArg), testDuration(testDurationArg) {}

  // from JavaTestThread
  void main_run() {
    long stopTime = os::javaTimeMillis() + testDuration;
    while (os::javaTimeMillis() < stopTime) {
      runnable->runUnitTest();
    }
  }
private:
  TestRunnable* const runnable;
  const long testDuration;
};

// Helper class for running a given unit test concurrently in multiple threads.
class ConcurrentTestRunner {
public:
  // runnableArg - what to run
  // nrOfThreadsArg - how many threads to use concurrently
  // testDurationMillisArg - duration for each test run
  ConcurrentTestRunner(TestRunnable* const runnableArg, int nrOfThreadsArg, long testDurationMillisArg) :
    unitTestRunnable(runnableArg),
    nrOfThreads(nrOfThreadsArg),
    testDurationMillis(testDurationMillisArg) {}

  void run() {
    Semaphore done(0);

    UnitTestThread** t = NEW_C_HEAP_ARRAY(UnitTestThread*, nrOfThreads, mtInternal);

    for (int i = 0; i < nrOfThreads; i++) {
      t[i] = new UnitTestThread(unitTestRunnable, &done, testDurationMillis);
    }

    for (int i = 0; i < nrOfThreads; i++) {
      t[i]->doit();
    }

    for (int i = 0; i < nrOfThreads; i++) {
      done.wait();
    }

    FREE_C_HEAP_ARRAY(UnitTestThread**, t);
  }

private:
  TestRunnable* const unitTestRunnable;
  const int nrOfThreads;
  const long testDurationMillis;
};

#endif // GTEST_CONCURRENT_TEST_RUNNER_INLINE_HPP

quality79%

¤ Dauer der Verarbeitung: 0.1 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.