ReactOS 0.4.15-dev-8241-g63935f8
allocator_test.cpp
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1#include <memory>
2#include <vector>
3
4#include <cstdio>
5
7
8#if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
9using namespace std;
10#endif
11
12//
13// TestCase class
14//
15class AllocatorTest : public CPPUNIT_NS::TestCase
16{
19#if !defined (STLPORT) || defined (_STLP_USE_EXCEPTIONS)
21#endif
22#if defined (STLPORT) && defined (_STLP_THREADS) && defined (_STLP_USE_PERTHREAD_ALLOC)
24#endif
26
27protected:
28 void zero_allocation();
29 void bad_alloc_test();
31};
32
34
35//
36// tests implementation
37//
39{
40 typedef allocator<char> CharAllocator;
41 CharAllocator charAllocator;
42
43 char* buf = charAllocator.allocate(0);
44 charAllocator.deallocate(buf, 0);
45
46 charAllocator.deallocate(0, 0);
47}
48
49#if !defined (STLPORT) || defined (_STLP_USE_EXCEPTIONS)
50
51struct BigStruct
52{
53 char _data[4096];
54};
55
57{
58 typedef allocator<BigStruct> BigStructAllocType;
59 BigStructAllocType bigStructAlloc;
60
61 try {
62 //Lets try to allocate almost 4096 Go (on most of the platforms) of memory:
63 BigStructAllocType::pointer pbigStruct = bigStructAlloc.allocate(1024 * 1024 * 1024);
64
65 //Allocation failed but no exception thrown
66 CPPUNIT_ASSERT( pbigStruct != 0 );
67
68 // Just it case it succeeds:
69 bigStructAlloc.deallocate(pbigStruct, 1024 * 1024 * 1024);
70 }
71 catch (bad_alloc const&) {
72 }
73 catch (...) {
74 //We shouldn't be there:
75 //Not bad_alloc exception thrown.
77 }
78}
79#endif
80
81#if defined (STLPORT) && defined (_STLP_THREADS) && defined (_STLP_USE_PERTHREAD_ALLOC)
82# include <pthread.h>
83
84class SharedDatas
85{
86public:
87 typedef vector<int, per_thread_allocator<int> > thread_vector;
88
89 SharedDatas(size_t nbElems) : threadVectors(nbElems, (thread_vector*)0) {
90 pthread_mutex_init(&mutex, 0);
91 pthread_cond_init(&condition, 0);
92 }
93
94 ~SharedDatas() {
95 for (size_t i = 0; i < threadVectors.size(); ++i) {
96 delete threadVectors[i];
97 }
98 }
99
100 size_t initThreadVector() {
101 size_t ret;
102
103 pthread_mutex_lock(&mutex);
104
105 for (size_t i = 0; i < threadVectors.size(); ++i) {
106 if (threadVectors[i] == 0) {
107 threadVectors[i] = new thread_vector();
108 ret = i;
109 break;
110 }
111 }
112
113 if (ret != threadVectors.size() - 1) {
114 //We wait for other thread(s) to call this method too:
115 printf("Thread %d wait\n", ret);
116 pthread_cond_wait(&condition, &mutex);
117 }
118 else {
119 //We are the last thread calling this method, we signal this
120 //to the other thread(s) that might be waiting:
121 printf("Thread %d signal\n", ret);
122 pthread_cond_signal(&condition);
123 }
124
125 pthread_mutex_unlock(&mutex);
126
127 return ret;
128 }
129
130 thread_vector& getThreadVector(size_t index) {
131 //We return other thread thread_vector instance:
132 return *threadVectors[(index + 1 == threadVectors.size()) ? 0 : index + 1];
133 }
134
135private:
136 pthread_mutex_t mutex;
137 pthread_cond_t condition;
138 vector<thread_vector*> threadVectors;
139};
140
141void* f(void* pdatas) {
142 SharedDatas *psharedDatas = (SharedDatas*)pdatas;
143
144 int threadIndex = psharedDatas->initThreadVector();
145
146 for (int i = 0; i < 100; ++i) {
147 psharedDatas->getThreadVector(threadIndex).push_back(i);
148 }
149
150 return 0;
151}
152
154{
155 const size_t nth = 2;
156 SharedDatas datas(nth);
157 pthread_t t[nth];
158
159 size_t i;
160 for (i = 0; i < nth; ++i) {
161 pthread_create(&t[i], 0, f, &datas);
162 }
163
164 for (i = 0; i < nth; ++i ) {
165 pthread_join(t[i], 0);
166 }
167}
168#endif
void per_thread_alloc()
CPPUNIT_TEST(zero_allocation)
CPPUNIT_TEST(bad_alloc_test)
CPPUNIT_TEST_SUITE(AllocatorTest)
void zero_allocation()
_Tp * allocate(size_type __n, const void *=0)
Definition: _alloc.h:301
#define CPPUNIT_FAIL
Definition: cppunit_mini.h:206
#define CPPUNIT_TEST(X)
Definition: cppunit_mini.h:182
#define CPPUNIT_TEST_SUITE_REGISTRATION(X)
Definition: cppunit_mini.h:193
#define CPPUNIT_ASSERT(X)
Definition: cppunit_mini.h:200
#define printf
Definition: freeldr.h:97
GLdouble GLdouble t
Definition: gl.h:2047
GLenum condition
Definition: glext.h:9255
GLuint index
Definition: glext.h:6031
GLfloat f
Definition: glext.h:7540
GLenum GLuint GLenum GLsizei const GLchar * buf
Definition: glext.h:7751
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
#define f
Definition: ke_i.h:83
Definition: features.h:417
Definition: eh.cc:8
char _data[4096]
Definition: eh.cc:9
Definition: module.h:456
int ret