mirror of
https://gitee.com/openharmony/third_party_libuv
synced 2024-12-28 07:33:12 +00:00
95 lines
2.9 KiB
C
95 lines
2.9 KiB
C
/* Copyright libuv contributors. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include "uv.h"
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#include "task.h"
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#include <string.h>
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static char scratch[256];
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static int random_cb_called;
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static void random_cb(uv_random_t* req, int status, void* buf, size_t buflen) {
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char zero[sizeof(scratch)];
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memset(zero, 0, sizeof(zero));
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ASSERT_OK(status);
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ASSERT_PTR_EQ(buf, (void*) scratch);
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if (random_cb_called == 0) {
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ASSERT_OK(buflen);
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ASSERT_OK(memcmp(scratch, zero, sizeof(zero)));
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} else {
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ASSERT_EQ(buflen, sizeof(scratch));
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/* Buy a lottery ticket if you manage to trip this assertion. */
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ASSERT_NE(0, memcmp(scratch, zero, sizeof(zero)));
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}
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random_cb_called++;
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}
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TEST_IMPL(random_async) {
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uv_random_t req;
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uv_loop_t* loop;
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loop = uv_default_loop();
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ASSERT_EQ(UV_EINVAL, uv_random(loop, &req, scratch, sizeof(scratch), -1,
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random_cb));
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ASSERT_EQ(UV_E2BIG, uv_random(loop, &req, scratch, -1, -1, random_cb));
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ASSERT_OK(uv_random(loop, &req, scratch, 0, 0, random_cb));
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ASSERT_OK(random_cb_called);
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ASSERT_OK(uv_run(loop, UV_RUN_DEFAULT));
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ASSERT_EQ(1, random_cb_called);
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ASSERT_OK(uv_random(loop, &req, scratch, sizeof(scratch), 0, random_cb));
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ASSERT_EQ(1, random_cb_called);
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ASSERT_OK(uv_run(loop, UV_RUN_DEFAULT));
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ASSERT_EQ(2, random_cb_called);
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MAKE_VALGRIND_HAPPY(loop);
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return 0;
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}
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TEST_IMPL(random_sync) {
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char zero[256];
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char buf[256];
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ASSERT_EQ(UV_EINVAL, uv_random(NULL, NULL, buf, sizeof(buf), -1, NULL));
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ASSERT_EQ(UV_E2BIG, uv_random(NULL, NULL, buf, -1, -1, NULL));
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memset(buf, 0, sizeof(buf));
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ASSERT_OK(uv_random(NULL, NULL, buf, sizeof(buf), 0, NULL));
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/* Buy a lottery ticket if you manage to trip this assertion. */
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memset(zero, 0, sizeof(zero));
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ASSERT_NE(0, memcmp(buf, zero, sizeof(zero)));
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MAKE_VALGRIND_HAPPY(uv_default_loop());
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return 0;
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}
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