mcs/class/corlib/Test/System.Threading.Collections/ConcurrentStackTests.cs

   1 #if NET_4_0
   2 // ConcurrentStackRe.cs
   3 //
   4 // Copyright (c) 2008 Jérémie "Garuma" Laval
   5 //
   6 // Permission is hereby granted, free of charge, to any person obtaining a copy
   7 // of this software and associated documentation files (the "Software"), to deal
   8 // in the Software without restriction, including without limitation the rights
   9 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10 // copies of the Software, and to permit persons to whom the Software is
  11 // furnished to do so, subject to the following conditions:
  12 //
  13 // The above copyright notice and this permission notice shall be included in
  14 // all copies or substantial portions of the Software.
  15 //
  16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  19 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22 // THE SOFTWARE.
  23 //
  24 //
  25
  26 using System;
  27 using System.Threading.Collections;
  28 using NUnit.Framework;
  29
  30 namespace ParallelFxTests
  31 {
  32         [TestFixture()]
  33         public class ConcurrentStackTests
  34         {
  35                 ConcurrentStack<int> stack;
  36
  37                 [SetUpAttribute]
  38                 public void Setup()
  39                 {
  40                         stack = new ConcurrentStack<int>();
  41                         for (int i = 0; i < 10; i++) {
  42                                 stack.Push(i);
  43                         }
  44                 }
  45
  46                 [Test]
  47                 public void CountTestCase()
  48                 {
  49                         Assert.IsTrue(stack.Count == 10, "#1");
  50                         int value;
  51                         stack.TryPeek(out value);
  52                         stack.TryPop(out value);
  53                         stack.TryPop(out value);
  54                         Assert.IsTrue(stack.Count == 8, "#2");
  55                         stack.Clear();
  56                         Assert.IsTrue(stack.Count == 0, "#3");
  57                         Assert.IsTrue(stack.IsEmpty, "#4");
  58                 }
  59
  60                 //[Ignore]
  61                 [Test()]
  62                 public void EnumerateTestCase()
  63                 {
  64                         string s = string.Empty;
  65                         foreach (int i in stack) {
  66                                 s += i;
  67                         }
  68                         Assert.IsTrue(s == "9876543210", "#1 : " + s);
  69                 }
  70
  71                 [Test()]
  72                 public void TryPeekTestCase()
  73                 {
  74                         int value;
  75                         stack.TryPeek(out value);
  76                         Assert.IsTrue(value == 9, "#1 : " + value);
  77                         stack.TryPop(out value);
  78                         Assert.IsTrue(value == 9, "#2 : " + value);
  79                         stack.TryPop(out value);
  80                         Assert.IsTrue(value == 8, "#3 : " + value);
  81                         stack.TryPeek(out value);
  82                         Assert.IsTrue(value == 7, "#4 : " + value);
  83                         stack.TryPeek(out value);
  84                         Assert.IsTrue(value == 7, "#5 : " + value);
  85                 }
  86
  87                 [Test()]
  88                 public void TryPopTestCase()
  89                 {
  90                         int value;
  91                         stack.TryPeek(out value);
  92                         Assert.IsTrue(value == 9, "#1");
  93                         stack.TryPop(out value);
  94                         stack.TryPop(out value);
  95                         Assert.IsTrue(value == 8, "#2 : " + value);
  96                 }
  97
  98                 [Test()]
  99                 public void TryPopEmptyTestCase()
 100                 {
 101                         int value;
 102                         stack.Clear();
 103                         stack.Push(1);
 104                         Assert.IsTrue(stack.TryPop(out value), "#1");
 105                         Assert.IsFalse(stack.TryPop(out value), "#2");
 106                         Assert.IsTrue(stack.IsEmpty, "#3");
 107                 }
 108
 109                 [Test]
 110                 public void ToArrayTest()
 111                 {
 112                         int[] array = stack.ToArray();
 113                         string s = string.Empty;
 114                         foreach (int i in array) {
 115                                 s += i;
 116                         }
 117                         Assert.IsTrue(s == "9876543210", "#1 : " + s);
 118                         stack.CopyTo(array, 0);
 119                         s = string.Empty;
 120                         foreach (int i in array) {
 121                                 s += i;
 122                         }
 123                         Assert.IsTrue(s == "9876543210", "#1 : " + s);
 124                 }
 125         }
 126 }
 127 #endif