1 // The MIT License (MIT)
2 //
3 // 	Copyright (c) 2015 Sergey Makeev, Vadim Slyusarev
4 //
5 // 	Permission is hereby granted, free of charge, to any person obtaining a copy
6 // 	of this software and associated documentation files (the "Software"), to deal
7 // 	in the Software without restriction, including without limitation the rights
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9 // 	copies of the Software, and to permit persons to whom the Software is
10 // 	furnished to do so, subject to the following conditions:
11 //
12 //  The above copyright notice and this permission notice shall be included in
13 // 	all copies or substantial portions of the Software.
14 //
15 // 	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 // 	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 // 	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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21 // 	THE SOFTWARE.
22 
23 #include "Tests.h"
24 #include <UnitTest++.h>
25 #include <MTScheduler.h>
26 #include <MTQueueMPMC.h>
27 #include <MTConcurrentRingBuffer.h>
28 #include <MTArrayView.h>
29 #include <MTStaticVector.h>
30 
31 SUITE(FoundationTests)
32 {
33 
34 
35 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
36 TEST(RingBufferTest)
37 {
38 	MT::ConcurrentRingBuffer<int, 32> ringBuffer;
39 
40 	ringBuffer.Push(-1);
41 	ringBuffer.Push(1);
42 
43 	int tempData[32];
44 	size_t elementsCount = ringBuffer.PopAll(tempData, MT_ARRAY_SIZE(tempData));
45 	CHECK_EQUAL(elementsCount, (size_t)2);
46 
47 	CHECK_EQUAL(tempData[0], -1);
48 	CHECK_EQUAL(tempData[1], 1);
49 
50 	int j;
51 	for(j = 0; j < 507; j++)
52 	{
53 		ringBuffer.Push(3 + j);
54 	}
55 
56 	elementsCount = ringBuffer.PopAll(tempData, MT_ARRAY_SIZE(tempData));
57 	CHECK_EQUAL(elementsCount, (size_t)32);
58 
59 	size_t i;
60 	for(i = 0; i < elementsCount; i++)
61 	{
62 		CHECK_EQUAL(tempData[i], (int)((507+3-32) + i));
63 	}
64 
65 }
66 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
67 TEST(StackArrayTest)
68 {
69 	const int elementsCount = 128;
70 
71 	MT::StaticVector<int, elementsCount> stackArray;
72 
73 	CHECK(stackArray.IsEmpty() == true);
74 
75 	stackArray.PushBack(200);
76 	CHECK(stackArray.IsEmpty() == false);
77 	CHECK_EQUAL(stackArray.Size(), (size_t)1);
78 
79 	for(int i = 1; i < elementsCount; i++)
80 	{
81 		stackArray.PushBack(200 + i);
82 	}
83 
84 	CHECK(stackArray.IsEmpty() == false);
85 	CHECK_EQUAL(stackArray.Size(), (size_t)elementsCount);
86 
87 	for(int i = 0; i < elementsCount; i++)
88 	{
89 		CHECK_EQUAL(stackArray[i], (200 + i));
90 	}
91 
92 }
93 
94 
95 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
96 TEST(QueueMPMC_BasicTest)
97 {
98 	MT::LockFreeQueueMPMC<int, 32> queue;
99 
100 	for(int i = 0; i < 64; i++)
101 	{
102 		bool res = queue.TryPush( std::move(77 + i) );
103 		if (i < 32)
104 		{
105 			CHECK_EQUAL(true, res);
106 		} else
107 		{
108 			CHECK_EQUAL(false, res);
109 		}
110 	}
111 
112 	for(int i = 0; i < 64; i++)
113 	{
114 		int val;
115 		bool res = queue.TryPop(val);
116 		if (i < 32)
117 		{
118 			CHECK_EQUAL(true, res);
119 			CHECK_EQUAL(77 + i, val);
120 		} else
121 		{
122 			CHECK_EQUAL(false, res);
123 		}
124 	}
125 
126 
127 	CHECK_EQUAL(true, queue.TryPush( 113 ));
128 	CHECK_EQUAL(true, queue.TryPush( 114 ));
129 	CHECK_EQUAL(true, queue.TryPush( 115 ));
130 
131 	int v;
132 	CHECK_EQUAL(true, queue.TryPop(v));
133 	CHECK_EQUAL(113, v);
134 
135 	CHECK_EQUAL(true, queue.TryPush( 116 ));
136 	CHECK_EQUAL(true, queue.TryPush( 117 ));
137 	CHECK_EQUAL(true, queue.TryPush( 118 ));
138 
139 	CHECK_EQUAL(true, queue.TryPop(v));
140 	CHECK_EQUAL(114, v);
141 	CHECK_EQUAL(true, queue.TryPop(v));
142 	CHECK_EQUAL(115, v);
143 	CHECK_EQUAL(true, queue.TryPop(v));
144 	CHECK_EQUAL(116, v);
145 	CHECK_EQUAL(true, queue.TryPop(v));
146 	CHECK_EQUAL(117, v);
147 	CHECK_EQUAL(true, queue.TryPop(v));
148 	CHECK_EQUAL(118, v);
149 
150 	v = -133;
151 	CHECK_EQUAL(false, queue.TryPop(v));
152 	CHECK_EQUAL(-133, v);
153 
154 }
155 
156 
157 
158 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
159 TEST(ArrayViewTest)
160 {
161 
162 	MT::ArrayView<int> emptyArrayView(nullptr, 0);
163 	CHECK(emptyArrayView.IsEmpty() == true);
164 
165 	const int elementsCount = 128;
166 	void* rawMemory = MT::Memory::Alloc(sizeof(int) * elementsCount);
167 
168 	MT::ArrayView<int> arrayView(rawMemory, elementsCount);
169 	CHECK(arrayView.IsEmpty() == false);
170 
171 	for (int i = 0; i < elementsCount; i++)
172 	{
173 		arrayView[i] = (100 + i);
174 	}
175 
176 	const int* buffer = static_cast<const int*>(rawMemory);
177 	for (int i = 0; i < elementsCount; i++)
178 	{
179 		CHECK_EQUAL(buffer[i], arrayView[i]);
180 	}
181 
182 	MT::Memory::Free(rawMemory);
183 }
184 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
185 
186 }
187