tests/test_utils.c

changeset 970
c9b02747cfc5
parent 962
cd418898af5c
equal deleted inserted replaced
969:72e5432f6b42 970:c9b02747cfc5
93 93
94 cxBufferDestroy(&source); 94 cxBufferDestroy(&source);
95 cxBufferDestroy(&target); 95 cxBufferDestroy(&target);
96 } 96 }
97 97
98 CX_TEST(test_szmul) {
99 size_t r;
100 int e;
101
102 CX_TEST_DO {
103 e = cx_szmul(5, 7, &r);
104 CX_TEST_ASSERT(e == 0);
105 CX_TEST_ASSERT(r == 35);
106
107 size_t s = SIZE_MAX & ~3;
108
109 e = cx_szmul(s / 4, 2, &r);
110 CX_TEST_ASSERT(e == 0);
111 CX_TEST_ASSERT(r == s / 2);
112
113 e = cx_szmul(2, s / 4, &r);
114 CX_TEST_ASSERT(e == 0);
115 CX_TEST_ASSERT(r == s / 2);
116
117 e = cx_szmul(s / 4, 4, &r);
118 CX_TEST_ASSERT(e == 0);
119 CX_TEST_ASSERT(r == s);
120
121 e = cx_szmul(4, s / 4, &r);
122 CX_TEST_ASSERT(e == 0);
123 CX_TEST_ASSERT(r == s);
124
125 e = cx_szmul(s / 4, 5, &r);
126 CX_TEST_ASSERT(e != 0);
127
128 e = cx_szmul(5, s / 4, &r);
129 CX_TEST_ASSERT(e != 0);
130
131 e = cx_szmul(SIZE_MAX - 4, 0, &r);
132 CX_TEST_ASSERT(e == 0);
133 CX_TEST_ASSERT(r == 0);
134
135 e = cx_szmul(0, SIZE_MAX - 1, &r);
136 CX_TEST_ASSERT(e == 0);
137 CX_TEST_ASSERT(r == 0);
138
139 e = cx_szmul(SIZE_MAX, 0, &r);
140 CX_TEST_ASSERT(e == 0);
141 CX_TEST_ASSERT(r == 0);
142
143 e = cx_szmul(0, SIZE_MAX, &r);
144 CX_TEST_ASSERT(e == 0);
145 CX_TEST_ASSERT(r == 0);
146
147 e = cx_szmul(0, 0, &r);
148 CX_TEST_ASSERT(e == 0);
149 CX_TEST_ASSERT(r == 0);
150 }
151 }
152
153 #ifdef CX_SZMUL_BUILTIN
154
155 // also test the custom implementation
156 #undef CX_SZMUL_BUILTIN
157
158 #include "../src/szmul.c"
159
160 #define CX_SZMUL_BUILTIN
161
162 CX_TEST(test_szmul_impl) {
163 size_t r;
164 int e;
165
166 CX_TEST_DO {
167 e = cx_szmul_impl(5, 7, &r);
168 CX_TEST_ASSERT(e == 0);
169 CX_TEST_ASSERT(r == 35);
170
171 size_t s = SIZE_MAX & ~3;
172
173 e = cx_szmul_impl(s / 4, 2, &r);
174 CX_TEST_ASSERT(e == 0);
175 CX_TEST_ASSERT(r == s / 2);
176
177 e = cx_szmul_impl(2, s / 4, &r);
178 CX_TEST_ASSERT(e == 0);
179 CX_TEST_ASSERT(r == s / 2);
180
181 e = cx_szmul_impl(s / 4, 4, &r);
182 CX_TEST_ASSERT(e == 0);
183 CX_TEST_ASSERT(r == s);
184
185 e = cx_szmul_impl(4, s / 4, &r);
186 CX_TEST_ASSERT(e == 0);
187 CX_TEST_ASSERT(r == s);
188
189 e = cx_szmul_impl(s / 4, 5, &r);
190 CX_TEST_ASSERT(e != 0);
191
192 e = cx_szmul_impl(5, s / 4, &r);
193 CX_TEST_ASSERT(e != 0);
194
195 e = cx_szmul_impl(SIZE_MAX - 4, 0, &r);
196 CX_TEST_ASSERT(e == 0);
197 CX_TEST_ASSERT(r == 0);
198
199 e = cx_szmul_impl(0, SIZE_MAX - 1, &r);
200 CX_TEST_ASSERT(e == 0);
201 CX_TEST_ASSERT(r == 0);
202
203 e = cx_szmul_impl(SIZE_MAX, 0, &r);
204 CX_TEST_ASSERT(e == 0);
205 CX_TEST_ASSERT(r == 0);
206
207 e = cx_szmul_impl(0, SIZE_MAX, &r);
208 CX_TEST_ASSERT(e == 0);
209 CX_TEST_ASSERT(r == 0);
210
211 e = cx_szmul_impl(0, 0, &r);
212 CX_TEST_ASSERT(e == 0);
213 CX_TEST_ASSERT(r == 0);
214 }
215 }
216
217 #endif // CX_SZMUL_BUILTIN
218
219
220 CxTestSuite *cx_test_suite_utils(void) { 98 CxTestSuite *cx_test_suite_utils(void) {
221 CxTestSuite *suite = cx_test_suite_new("utils"); 99 CxTestSuite *suite = cx_test_suite_new("utils");
222 100
223 cx_test_register(suite, test_stream_bncopy); 101 cx_test_register(suite, test_stream_bncopy);
224 cx_test_register(suite, test_stream_ncopy); 102 cx_test_register(suite, test_stream_ncopy);
225 cx_test_register(suite, test_szmul);
226 #ifdef CX_SZMUL_BUILTIN
227 cx_test_register(suite, test_szmul_impl);
228 #endif
229 103
230 return suite; 104 return suite;
231 } 105 }

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