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authorTeravus Ovares (Dan Olivares)2009-10-30 19:13:57 -0400
committerTeravus Ovares (Dan Olivares)2009-10-30 19:13:57 -0400
commit5101f688ee887d5fa67a573591ec3b6a43c4e50b (patch)
treece7ccf37f96563f0019b59cb7a2ce0c05aa726b2 /OpenSim/Framework/Tests
parent* Adding Tests for OpenSim.Framework.Cache. Some test cases disabled until m... (diff)
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* Add LocklessQueueTests. One Test is commented out because it fails. It should probably work.. but I'm awaiting clarification.
Diffstat (limited to 'OpenSim/Framework/Tests')
-rw-r--r--OpenSim/Framework/Tests/LocklessQueueTests.cs147
1 files changed, 147 insertions, 0 deletions
diff --git a/OpenSim/Framework/Tests/LocklessQueueTests.cs b/OpenSim/Framework/Tests/LocklessQueueTests.cs
new file mode 100644
index 0000000..e34f767
--- /dev/null
+++ b/OpenSim/Framework/Tests/LocklessQueueTests.cs
@@ -0,0 +1,147 @@
1using System;
2using NUnit.Framework;
3using System.Threading;
4
5namespace OpenSim.Framework.Tests
6{
7 [TestFixture]
8 public class LocklessQueueTests
9 {
10 public LocklessQueue<int> sharedQueue;
11 [SetUp]
12 public void build()
13 {
14 sharedQueue = new LocklessQueue<int>();
15
16 }
17
18 [Test]
19 public void EnqueueDequeueTest()
20 {
21 sharedQueue.Enqueue(1);
22 int dequeue;
23 sharedQueue.Dequeue(out dequeue);
24 Assert.That(dequeue == 1, "Enqueued 1. Dequeue should also be 1");
25 Assert.That(sharedQueue.Count == 0, "We Dequeued the last item, count should be 0");
26
27 }
28
29 [Test]
30 public void ThreadedSimpleEnqueueDequeueTest()
31 {
32 int loopamountA = 5000;
33 int loopamountB = 5000;
34 int loopamountC = 5000;
35 int loopamountD = 5000;
36
37 threadObject1 obj1 = new threadObject1(this, loopamountA);
38 threadObject1 obj2 = new threadObject1(this, loopamountB);
39 threadObject1 obj3 = new threadObject1(this, loopamountC);
40 threadObject1 obj4 = new threadObject1(this, loopamountD);
41 for (int i=0;i<1;i++)
42 {
43 sharedQueue.Enqueue(i);
44 }
45
46 Thread thr = new Thread(obj1.thread1Action);
47 Thread thr2 = new Thread(obj2.thread1Action);
48 Thread thr3 = new Thread(obj3.thread1Action);
49 Thread thr4 = new Thread(obj4.thread1Action);
50 thr.Start();
51 thr2.Start();
52 thr3.Start();
53 thr4.Start();
54
55 thr.Join();
56 thr2.Join();
57 thr3.Join();
58 thr4.Join();
59
60 Assert.That(sharedQueue.Count == 1);
61 int result = 0;
62 sharedQueue.Dequeue(out result);
63 Assert.That(result == loopamountD + loopamountC + loopamountB + loopamountA, "Threaded Result test failed. Expected the sum of all of the threads adding to the item in the queue. Got {0}, Expected {1}", result, loopamountD + loopamountC + loopamountB + loopamountA);
64
65 }
66
67 /* This test fails. Need clarification if this should work
68 [Test]
69 public void ThreadedAdvancedEnqueueDequeueTest()
70 {
71 int loopamountA = 5000;
72 int loopamountB = 5000;
73 int loopamountC = 5000;
74 int loopamountD = 5000;
75
76 threadObject1 obj1 = new threadObject1(this, loopamountA);
77 threadObject2 obj2 = new threadObject2(this, loopamountB);
78 threadObject1 obj3 = new threadObject1(this, loopamountC);
79 threadObject2 obj4 = new threadObject2(this, loopamountD);
80 for (int i = 0; i < 1; i++)
81 {
82 sharedQueue.Enqueue(i);
83 }
84
85 Thread thr = new Thread(obj1.thread1Action);
86 Thread thr2 = new Thread(obj2.thread1Action);
87 Thread thr3 = new Thread(obj3.thread1Action);
88 Thread thr4 = new Thread(obj4.thread1Action);
89 thr.Start();
90 thr2.Start();
91 thr3.Start();
92 thr4.Start();
93
94 thr.Join();
95 thr2.Join();
96 thr3.Join();
97 thr4.Join();
98
99 Assert.That(sharedQueue.Count == 1);
100 int result = 0;
101 sharedQueue.Dequeue(out result);
102 Assert.That(result == loopamountA - loopamountB + loopamountC - loopamountD, "Threaded Result test failed. Expected the sum of all of the threads adding to the item in the queue. Got {0}, Expected {1}", result, loopamountA - loopamountB + loopamountC - loopamountD);
103
104 }
105 */
106 }
107 // Dequeue one from the locklessqueue add one to it and enqueue it again.
108 public class threadObject1
109 {
110 private LocklessQueueTests m_tests;
111 private int m_loopamount = 0;
112 public threadObject1(LocklessQueueTests tst, int loopamount)
113 {
114 m_tests = tst;
115 m_loopamount = loopamount;
116 }
117 public void thread1Action(object o)
118 {
119 for (int i=0;i<m_loopamount;i++)
120 {
121 int j = 0;
122 m_tests.sharedQueue.Dequeue(out j);
123 m_tests.sharedQueue.Enqueue(++j);
124 }
125 }
126 }
127 // Dequeue one from the locklessqueue subtract one from it and enqueue it again.
128 public class threadObject2
129 {
130 private LocklessQueueTests m_tests;
131 private int m_loopamount = 0;
132 public threadObject2(LocklessQueueTests tst, int loopamount)
133 {
134 m_tests = tst;
135 m_loopamount = loopamount;
136 }
137 public void thread1Action(object o)
138 {
139 for (int i = 0; i < m_loopamount; i++)
140 {
141 int j = 0;
142 m_tests.sharedQueue.Dequeue(out j);
143 m_tests.sharedQueue.Enqueue(--j);
144 }
145 }
146 }
147}