1.1 --- a/tests/test_utils.c Wed Dec 20 16:46:14 2023 +0100
1.2 +++ b/tests/test_utils.c Wed Dec 20 17:57:18 2023 +0100
1.3 @@ -26,11 +26,230 @@
1.4 * POSSIBILITY OF SUCH DAMAGE.
1.5 */
1.6
1.7 -#include "test_utils.h"
1.8 +#include "cx/test.h"
1.9 +
1.10 +#include "cx/utils.h"
1.11 +#include "cx/buffer.h"
1.12 +
1.13 +CX_TEST(test_stream_bncopy) {
1.14 + CxBuffer source, target;
1.15 + char sbuf[32], tbuf[32];
1.16 + memset(tbuf, 0, 32);
1.17 + cxBufferInit(&source, sbuf, 32, NULL, 0);
1.18 + cxBufferInit(&target, tbuf, 32, NULL, 0);
1.19 + cxBufferPutString(&source, "This is a stream copy test.");
1.20 + cxBufferSeek(&source, 0, SEEK_SET);
1.21 + char tmp[4];
1.22 +
1.23 + CX_TEST_DO {
1.24 + size_t result = cx_stream_bncopy(&source, &target,
1.25 + (cx_read_func) cxBufferRead,
1.26 + (cx_write_func) cxBufferWrite,
1.27 + tmp, 4, 20);
1.28 + CX_TEST_ASSERT(result == 20);
1.29 + CX_TEST_ASSERT(target.size == 20);
1.30 + CX_TEST_ASSERT(strcmp("This is a stream cop\0", tbuf) == 0);
1.31 +
1.32 + result = cx_stream_bcopy(&source, &target,
1.33 + (cx_read_func) cxBufferRead,
1.34 + (cx_write_func) cxBufferWrite,
1.35 + NULL, 16);
1.36 +
1.37 + CX_TEST_ASSERT(result == 7);
1.38 + CX_TEST_ASSERT(target.size == 27);
1.39 + CX_TEST_ASSERT(strcmp("This is a stream copy test.\0", tbuf) == 0);
1.40 + }
1.41 +
1.42 + cxBufferDestroy(&source);
1.43 + cxBufferDestroy(&target);
1.44 +}
1.45 +
1.46 +CX_TEST(test_stream_ncopy) {
1.47 + CxBuffer source, target;
1.48 + char sbuf[32], tbuf[32];
1.49 + memset(tbuf, 0, 32);
1.50 + cxBufferInit(&source, sbuf, 32, NULL, 0);
1.51 + cxBufferInit(&target, tbuf, 32, NULL, 0);
1.52 + cxBufferPutString(&source, "This is a stream copy test.");
1.53 + cxBufferSeek(&source, 0, SEEK_SET);
1.54 +
1.55 + CX_TEST_DO {
1.56 + size_t result = cx_stream_ncopy(&source, &target,
1.57 + (cx_read_func) cxBufferRead,
1.58 + (cx_write_func) cxBufferWrite,
1.59 + 20);
1.60 + CX_TEST_ASSERT(result == 20);
1.61 + CX_TEST_ASSERT(target.size == 20);
1.62 + CX_TEST_ASSERT(strcmp("This is a stream cop\0", tbuf) == 0);
1.63 +
1.64 + result = cx_stream_copy(&source, &target,
1.65 + (cx_read_func) cxBufferRead,
1.66 + (cx_write_func) cxBufferWrite);
1.67 +
1.68 + CX_TEST_ASSERT(result == 7);
1.69 + CX_TEST_ASSERT(target.size == 27);
1.70 + CX_TEST_ASSERT(strcmp("This is a stream copy test.\0", tbuf) == 0);
1.71 + }
1.72 +
1.73 + cxBufferDestroy(&source);
1.74 + cxBufferDestroy(&target);
1.75 +}
1.76 +
1.77 +CX_TEST(test_forn) {
1.78 + unsigned j;
1.79 + j = 0;
1.80 + CX_TEST_DO {
1.81 + cx_for_n(i, 50) {
1.82 + CX_TEST_ASSERT(i == j);
1.83 + j++;
1.84 + }
1.85 + }
1.86 +}
1.87 +
1.88 +CX_TEST(test_swap_ptr) {
1.89 + int i = 5;
1.90 + int j = 8;
1.91 + int *ip = &i;
1.92 + int *jp = &j;
1.93 + CX_TEST_DO {
1.94 + cx_swap_ptr(ip, jp);
1.95 + CX_TEST_ASSERT(ip == &j);
1.96 + CX_TEST_ASSERT(jp == &i);
1.97 + }
1.98 +}
1.99 +
1.100 +CX_TEST(test_szmul) {
1.101 + size_t r;
1.102 + int e;
1.103 +
1.104 + CX_TEST_DO {
1.105 + e = cx_szmul(5, 7, &r);
1.106 + CX_TEST_ASSERT(e == 0);
1.107 + CX_TEST_ASSERT(r == 35);
1.108 +
1.109 + size_t s = SIZE_MAX & ~3;
1.110 +
1.111 + e = cx_szmul(s / 4, 2, &r);
1.112 + CX_TEST_ASSERT(e == 0);
1.113 + CX_TEST_ASSERT(r == s / 2);
1.114 +
1.115 + e = cx_szmul(2, s / 4, &r);
1.116 + CX_TEST_ASSERT(e == 0);
1.117 + CX_TEST_ASSERT(r == s / 2);
1.118 +
1.119 + e = cx_szmul(s / 4, 4, &r);
1.120 + CX_TEST_ASSERT(e == 0);
1.121 + CX_TEST_ASSERT(r == s);
1.122 +
1.123 + e = cx_szmul(4, s / 4, &r);
1.124 + CX_TEST_ASSERT(e == 0);
1.125 + CX_TEST_ASSERT(r == s);
1.126 +
1.127 + e = cx_szmul(s / 4, 5, &r);
1.128 + CX_TEST_ASSERT(e != 0);
1.129 +
1.130 + e = cx_szmul(5, s / 4, &r);
1.131 + CX_TEST_ASSERT(e != 0);
1.132 +
1.133 + e = cx_szmul(SIZE_MAX - 4, 0, &r);
1.134 + CX_TEST_ASSERT(e == 0);
1.135 + CX_TEST_ASSERT(r == 0);
1.136 +
1.137 + e = cx_szmul(0, SIZE_MAX - 1, &r);
1.138 + CX_TEST_ASSERT(e == 0);
1.139 + CX_TEST_ASSERT(r == 0);
1.140 +
1.141 + e = cx_szmul(SIZE_MAX, 0, &r);
1.142 + CX_TEST_ASSERT(e == 0);
1.143 + CX_TEST_ASSERT(r == 0);
1.144 +
1.145 + e = cx_szmul(0, SIZE_MAX, &r);
1.146 + CX_TEST_ASSERT(e == 0);
1.147 + CX_TEST_ASSERT(r == 0);
1.148 +
1.149 + e = cx_szmul(0, 0, &r);
1.150 + CX_TEST_ASSERT(e == 0);
1.151 + CX_TEST_ASSERT(r == 0);
1.152 + }
1.153 +}
1.154 +
1.155 +#ifdef CX_SZMUL_BUILTIN
1.156 +
1.157 +// also test the custom implementation
1.158 +#undef CX_SZMUL_BUILTIN
1.159 +
1.160 +#include "../src/szmul.c"
1.161 +
1.162 +#define CX_SZMUL_BUILTIN
1.163 +
1.164 +CX_TEST(test_szmul_impl) {
1.165 + size_t r;
1.166 + int e;
1.167 +
1.168 + CX_TEST_DO {
1.169 + e = cx_szmul_impl(5, 7, &r);
1.170 + CX_TEST_ASSERT(e == 0);
1.171 + CX_TEST_ASSERT(r == 35);
1.172 +
1.173 + size_t s = SIZE_MAX & ~3;
1.174 +
1.175 + e = cx_szmul_impl(s / 4, 2, &r);
1.176 + CX_TEST_ASSERT(e == 0);
1.177 + CX_TEST_ASSERT(r == s / 2);
1.178 +
1.179 + e = cx_szmul_impl(2, s / 4, &r);
1.180 + CX_TEST_ASSERT(e == 0);
1.181 + CX_TEST_ASSERT(r == s / 2);
1.182 +
1.183 + e = cx_szmul_impl(s / 4, 4, &r);
1.184 + CX_TEST_ASSERT(e == 0);
1.185 + CX_TEST_ASSERT(r == s);
1.186 +
1.187 + e = cx_szmul_impl(4, s / 4, &r);
1.188 + CX_TEST_ASSERT(e == 0);
1.189 + CX_TEST_ASSERT(r == s);
1.190 +
1.191 + e = cx_szmul_impl(s / 4, 5, &r);
1.192 + CX_TEST_ASSERT(e != 0);
1.193 +
1.194 + e = cx_szmul_impl(5, s / 4, &r);
1.195 + CX_TEST_ASSERT(e != 0);
1.196 +
1.197 + e = cx_szmul_impl(SIZE_MAX - 4, 0, &r);
1.198 + CX_TEST_ASSERT(e == 0);
1.199 + CX_TEST_ASSERT(r == 0);
1.200 +
1.201 + e = cx_szmul_impl(0, SIZE_MAX - 1, &r);
1.202 + CX_TEST_ASSERT(e == 0);
1.203 + CX_TEST_ASSERT(r == 0);
1.204 +
1.205 + e = cx_szmul_impl(SIZE_MAX, 0, &r);
1.206 + CX_TEST_ASSERT(e == 0);
1.207 + CX_TEST_ASSERT(r == 0);
1.208 +
1.209 + e = cx_szmul_impl(0, SIZE_MAX, &r);
1.210 + CX_TEST_ASSERT(e == 0);
1.211 + CX_TEST_ASSERT(r == 0);
1.212 +
1.213 + e = cx_szmul_impl(0, 0, &r);
1.214 + CX_TEST_ASSERT(e == 0);
1.215 + CX_TEST_ASSERT(r == 0);
1.216 + }
1.217 +}
1.218 +
1.219 +#endif // CX_SZMUL_BUILTIN
1.220 +
1.221
1.222 CxTestSuite *cx_test_suite_utils(void) {
1.223 CxTestSuite *suite = cx_test_suite_new("utils");
1.224
1.225 + cx_test_register(suite, test_stream_bncopy);
1.226 + cx_test_register(suite, test_stream_ncopy);
1.227 + cx_test_register(suite, test_forn);
1.228 + cx_test_register(suite, test_swap_ptr);
1.229 + cx_test_register(suite, test_szmul);
1.230 + cx_test_register(suite, test_szmul_impl);
1.231 +
1.232 return suite;
1.233 }
1.234
