0bb50d9254
git-svn-id: file:///srv/devel/repo-conversion/nusu@297 d2e56fa2-650e-0410-a79f-9358c0239efd
128 lines
3.9 KiB
C#
128 lines
3.9 KiB
C#
#region CPL License
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/*
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Nuclex Framework
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Copyright (C) 2002-2014 Nuclex Development Labs
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This library is free software; you can redistribute it and/or
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modify it under the terms of the IBM Common Public License as
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published by the IBM Corporation; either version 1.0 of the
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License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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IBM Common Public License for more details.
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You should have received a copy of the IBM Common Public
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License along with this library
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*/
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#endregion
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#if UNITTEST
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using System;
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using System.Collections.Generic;
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using System.Threading;
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using NUnit.Framework;
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namespace Nuclex.Support {
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/// <summary>Unit Test for the Semaphore class</summary>
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[
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TestFixture,
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Obsolete("Not obsolete, prevents warning when unit-testing custom Semaphore on Windows")
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]
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internal class SemaphoreTest {
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/// <summary>
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/// Test whether a semaphore can be initialized with reverse counting
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/// </summary>
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[Test]
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public void TestReverseCountingConstructor() {
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using(Semaphore semaphore = new Semaphore()) {
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Assert.IsNotNull(semaphore); // nonsense, avoids compiler warning
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}
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}
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/// <summary>
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/// Test whether a semaphore can be initialized with a maximum user count
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/// </summary>
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[Test]
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public void TestLimitConstructor() {
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using(Semaphore semaphore = new Semaphore(16)) {
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Assert.IsNotNull(semaphore); // nonsense, avoids compiler warning
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}
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}
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/// <summary>
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/// Test whether a semaphore can be initialized with an initial user
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/// count and a maximum user count
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/// </summary>
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[Test]
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public void TestFullConstructor() {
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using(Semaphore semaphore = new Semaphore(8, 16)) {
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Assert.IsNotNull(semaphore); // nonsense, avoids compiler warning
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}
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}
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/// <summary>
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/// Verifies that the right exception is thrown if a semaphore is initialized
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/// with a larger number of initial users than the maximum number of users.
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/// </summary>
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[Test]
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public void TestThrowOnMoreInitialUsersThanMaximumUsers() {
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Assert.Throws<ArgumentOutOfRangeException>(
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delegate() {
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Semaphore semaphore = new Semaphore(2, 1);
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semaphore.Close();
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}
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);
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}
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/// <summary>
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/// Verifies that the semaphore can time out if the resource does not become
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/// available within the time limit specified by the user
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/// </summary>
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[Test]
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public void TestWaitTimeout() {
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using(Semaphore semaphore = new Semaphore(1)) {
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Assert.IsTrue(semaphore.WaitOne(1000));
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Assert.IsFalse(semaphore.WaitOne(0));
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}
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}
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/// <summary>
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/// Verifies that the semaphore can time out if the resource does not become
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/// available within the time limit specified by the user, if the time limit
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/// is specified using the TimeSpan class
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/// </summary>
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[Test]
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public void TestWaitTimeoutWithTimeSpan() {
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using(Semaphore semaphore = new Semaphore(1)) {
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Assert.IsTrue(semaphore.WaitOne(TimeSpan.FromSeconds(1)));
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Assert.IsFalse(semaphore.WaitOne(TimeSpan.FromSeconds(0)));
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}
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}
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/// <summary>
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/// Tests whether an exception is thrown if the WaitOne() method is called
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/// with a time span that is too large for the underlying synchronization API
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/// </summary>
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[Test]
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public void TestThrowOnWaitWithTooLargeTimeSpan() {
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using(Semaphore semaphore = new Semaphore(1)) {
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Assert.Throws<ArgumentOutOfRangeException>(
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delegate() {
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semaphore.WaitOne(TimeSpan.FromMilliseconds(1L << 32));
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}
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);
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}
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}
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}
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} // namespace Nuclex.Support
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#endif // UNITTEST
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