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/* Copyright libuv contributors. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "uv.h"
#include "task.h"
#include <string.h>
static char scratch[256];
static int random_cb_called;
static void random_cb(uv_random_t* req, int status, void* buf, size_t buflen) {
char zero[sizeof(scratch)];
memset(zero, 0, sizeof(zero));
ASSERT(0 == status);
ASSERT(buf == (void*) scratch);
if (random_cb_called == 0) {
ASSERT(buflen == 0);
ASSERT(0 == memcmp(scratch, zero, sizeof(zero)));
} else {
ASSERT(buflen == sizeof(scratch));
/* Buy a lottery ticket if you manage to trip this assertion. */
ASSERT(0 != memcmp(scratch, zero, sizeof(zero)));
}
random_cb_called++;
}
TEST_IMPL(random_async) {
uv_random_t req;
uv_loop_t* loop;
loop = uv_default_loop();
ASSERT(UV_EINVAL == uv_random(loop, &req, scratch, sizeof(scratch), -1,
random_cb));
ASSERT(UV_E2BIG == uv_random(loop, &req, scratch, -1, -1, random_cb));
ASSERT(0 == uv_random(loop, &req, scratch, 0, 0, random_cb));
ASSERT(0 == random_cb_called);
ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));
ASSERT(1 == random_cb_called);
ASSERT(0 == uv_random(loop, &req, scratch, sizeof(scratch), 0, random_cb));
ASSERT(1 == random_cb_called);
ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));
ASSERT(2 == random_cb_called);
MAKE_VALGRIND_HAPPY();
return 0;
}
TEST_IMPL(random_sync) {
char zero[256];
char buf[256];
ASSERT(UV_EINVAL == uv_random(NULL, NULL, buf, sizeof(buf), -1, NULL));
ASSERT(UV_E2BIG == uv_random(NULL, NULL, buf, -1, -1, NULL));
memset(buf, 0, sizeof(buf));
ASSERT(0 == uv_random(NULL, NULL, buf, sizeof(buf), 0, NULL));
/* Buy a lottery ticket if you manage to trip this assertion. */
memset(zero, 0, sizeof(zero));
ASSERT(0 != memcmp(buf, zero, sizeof(zero)));
MAKE_VALGRIND_HAPPY();
return 0;
}
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