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307 lines
8.0 KiB
C#
307 lines
8.0 KiB
C#
// ConcurrentStackTests.cs
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//
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// Copyright (c) 2008 Jérémie "Garuma" Laval
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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//
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using System;
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using System.Threading;
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using System.Linq;
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using System.Collections.Concurrent;
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using NUnit.Framework;
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using NUnit.Framework.Constraints;
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namespace MonoTests.System.Collections.Concurrent
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{
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[TestFixture()]
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public class ConcurrentStackTests
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{
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ConcurrentStack<int> stack;
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[SetUpAttribute]
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public void Setup()
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{
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stack = new ConcurrentStack<int>();
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for (int i = 0; i < 10; i++) {
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stack.Push(i);
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}
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}
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[Test]
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[Category ("MultiThreaded")]
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public void StressPushTestCase ()
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{
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/*ParallelTestHelper.Repeat (delegate {
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stack = new ConcurrentStack<int> ();
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int amount = -1;
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const int count = 10;
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const int threads = 5;
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ParallelTestHelper.ParallelStressTest (stack, (q) => {
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int t = Interlocked.Increment (ref amount);
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for (int i = 0; i < count; i++)
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stack.Push (t);
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}, threads);
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Assert.AreEqual (threads * count, stack.Count, "#-1");
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int[] values = new int[threads];
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int temp;
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while (stack.TryPop (out temp)) {
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values[temp]++;
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}
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for (int i = 0; i < threads; i++)
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Assert.AreEqual (count, values[i], "#" + i);
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});*/
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CollectionStressTestHelper.AddStressTest (new ConcurrentStack<int> ());
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}
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[Test]
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[Category ("MultiThreaded")]
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public void StressPopTestCase ()
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{
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/*ParallelTestHelper.Repeat (delegate {
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stack = new ConcurrentStack<int> ();
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const int count = 10;
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const int threads = 5;
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const int delta = 5;
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for (int i = 0; i < (count + delta) * threads; i++)
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stack.Push (i);
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bool state = true;
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ParallelTestHelper.ParallelStressTest (stack, (q) => {
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int t;
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for (int i = 0; i < count; i++)
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state &= stack.TryPop (out t);
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}, threads);
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Assert.IsTrue (state, "#1");
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Assert.AreEqual (delta * threads, stack.Count, "#2");
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string actual = string.Empty;
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int temp;
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while (stack.TryPop (out temp)) {
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actual += temp;
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}
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string expected = Enumerable.Range (0, delta * threads).Reverse()
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.Aggregate (string.Empty, (acc, v) => acc + v);
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Assert.AreEqual (expected, actual, "#3");
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});*/
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CollectionStressTestHelper.RemoveStressTest (new ConcurrentStack<int> (), CheckOrderingType.Reversed);
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}
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[Test]
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public void CountTestCase()
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{
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Assert.IsTrue(stack.Count == 10, "#1");
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int value;
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stack.TryPeek(out value);
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stack.TryPop(out value);
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stack.TryPop(out value);
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Assert.IsTrue(stack.Count == 8, "#2");
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stack.Clear();
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Assert.IsTrue(stack.Count == 0, "#3");
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Assert.IsTrue(stack.IsEmpty, "#4");
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}
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[Test()]
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public void EnumerateTestCase()
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{
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string s = string.Empty;
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foreach (int i in stack) {
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s += i;
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}
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Assert.IsTrue(s == "9876543210", "#1 : " + s);
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}
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[Test()]
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public void TryPeekTestCase()
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{
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int value;
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stack.TryPeek(out value);
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Assert.IsTrue(value == 9, "#1 : " + value);
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stack.TryPop(out value);
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Assert.IsTrue(value == 9, "#2 : " + value);
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stack.TryPop(out value);
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Assert.IsTrue(value == 8, "#3 : " + value);
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stack.TryPeek(out value);
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Assert.IsTrue(value == 7, "#4 : " + value);
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stack.TryPeek(out value);
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Assert.IsTrue(value == 7, "#5 : " + value);
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}
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[Test()]
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public void TryPopTestCase()
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{
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int value;
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stack.TryPeek(out value);
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Assert.IsTrue(value == 9, "#1");
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stack.TryPop(out value);
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stack.TryPop(out value);
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Assert.IsTrue(value == 8, "#2 : " + value);
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}
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[Test()]
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public void TryPopEmptyTestCase()
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{
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int value;
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stack.Clear();
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stack.Push(1);
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Assert.IsTrue(stack.TryPop(out value), "#1");
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Assert.IsFalse(stack.TryPop(out value), "#2");
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Assert.IsTrue(stack.IsEmpty, "#3");
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}
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[Test]
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public void ToArrayTest()
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{
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int[] array = stack.ToArray();
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string s = string.Empty;
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foreach (int i in array) {
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s += i;
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}
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Assert.IsTrue(s == "9876543210", "#1 : " + s);
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stack.CopyTo(array, 0);
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s = string.Empty;
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foreach (int i in array) {
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s += i;
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}
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Assert.IsTrue(s == "9876543210", "#1 : " + s);
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}
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[Test, ExpectedException (typeof (ArgumentNullException))]
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public void ToExistingArray_Null ()
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{
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stack.CopyTo (null, 0);
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}
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[Test, ExpectedException (typeof (ArgumentOutOfRangeException))]
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public void ToExistingArray_OutOfRange ()
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{
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stack.CopyTo (new int[3], -1);
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}
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[Test, ExpectedException (typeof (ArgumentException))]
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public void ToExistingArray_IndexOverflow ()
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{
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stack.CopyTo (new int[3], 4);
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}
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[Test, ExpectedException (typeof (ArgumentException))]
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public void ToExistingArray_Overflow ()
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{
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stack.CopyTo (new int[3], 0);
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}
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[Test]
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public void TryPopRangeTest ()
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{
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int[] values = new int[3];
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Assert.AreEqual (3, stack.TryPopRange (values));
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Assert.That (values, new CollectionEquivalentConstraint (new int[] { 9, 8, 7 }));
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Assert.AreEqual (10 - values.Length, stack.Count);
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for (int i = 9 - values.Length; i >= 0; i--) {
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int outValue;
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Assert.IsTrue (stack.TryPop (out outValue));
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Assert.AreEqual (i, outValue);
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}
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}
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[Test]
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public void TryPopRangeEmpty ()
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{
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stack = new ConcurrentStack<int>();
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Assert.AreEqual (0, stack.TryPopRange (new int [1]));
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}
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[Test]
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public void TryPopRangeTestWithOneElement ()
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{
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int[] values = new int[1];
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Assert.AreEqual (1, stack.TryPopRange (values));
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Assert.That (values, new CollectionEquivalentConstraint (new int[] { 9 }));
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Assert.AreEqual (10 - values.Length, stack.Count);
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for (int i = 9 - values.Length; i >= 0; i--) {
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int outValue;
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Assert.IsTrue (stack.TryPop (out outValue));
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Assert.AreEqual (i, outValue);
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}
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}
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[Test]
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public void TryPopRangeFullTest ()
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{
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int[] values = new int[10];
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Assert.AreEqual (10, stack.TryPopRange (values));
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Assert.That (values, new CollectionEquivalentConstraint (Enumerable.Range (0, 10).Reverse ()));
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Assert.AreEqual (0, stack.Count);
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}
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[Test]
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public void TryPopRangePartialFillTest ()
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{
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int[] values = new int[5];
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Assert.AreEqual (2, stack.TryPopRange (values, 3, 2));
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Assert.That (values, new CollectionEquivalentConstraint (new int[] { 0, 0, 0, 9, 8 }));
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Assert.AreEqual (8, stack.Count);
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}
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[Test, ExpectedException (typeof (ArgumentOutOfRangeException))]
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public void TryPopRange_NegativeIndex ()
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{
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stack.TryPopRange (new int[3], -2, 3);
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}
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[Test, ExpectedException (typeof (ArgumentOutOfRangeException))]
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public void TryPopRange_LargeIndex ()
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{
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stack.TryPopRange (new int[3], 200, 3);
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}
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[Test, ExpectedException (typeof (ArgumentException))]
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public void TryPopRange_LargeCount ()
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{
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stack.TryPopRange (new int[3], 2, 5);
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}
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[Test, ExpectedException (typeof (ArgumentNullException))]
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public void TryPopRange_NullArray ()
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{
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stack.TryPopRange (null);
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}
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[Test]
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public void PushRangeTestCase()
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{
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var testStack = new ConcurrentStack<int>();
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var testData = new int[] { 1, 2, 3, 4, 5 };
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testStack.PushRange (testData);
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Assert.AreEqual (testData.Length, testStack.Count);
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}
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}
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}
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