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/* Copyright libuv project 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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#if defined(_WIN32) && !defined(USING_UV_SHARED)
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#include "uv.h"
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#include "task.h"
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#include "../src/win/fs-fd-hash-inl.h"
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#define HASH_MAX 1000000000
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#define HASH_INC (1000 * UV__FD_HASH_SIZE + 2)
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#define BUCKET_MAX (UV__FD_HASH_SIZE * UV__FD_HASH_GROUP_SIZE * 10)
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#define BUCKET_INC UV__FD_HASH_SIZE
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#define FD_DIFF 9
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void assert_nonexistent(int fd) {
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struct uv__fd_info_s info = { 0 };
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ASSERT(!uv__fd_hash_get(fd, &info));
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ASSERT(!uv__fd_hash_remove(fd, &info));
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}
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void assert_existent(int fd) {
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struct uv__fd_info_s info = { 0 };
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ASSERT(uv__fd_hash_get(fd, &info));
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ASSERT(info.flags == fd + FD_DIFF);
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}
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void assert_insertion(int fd) {
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struct uv__fd_info_s info = { 0 };
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assert_nonexistent(fd);
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info.flags = fd + FD_DIFF;
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uv__fd_hash_add(fd, &info;;
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assert_existent(fd);
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}
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void assert_removal(int fd) {
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struct uv__fd_info_s info = { 0 };
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assert_existent(fd);
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uv__fd_hash_remove(fd, &info;;
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ASSERT(info.flags == fd + FD_DIFF);
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assert_nonexistent(fd);
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}
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/* Run a function for a set of values up to a very high number */
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#define RUN_HASH(function) \
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do { \
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for (fd = 0; fd < HASH_MAX; fd += HASH_INC) { \
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function(fd); \
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} \
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} while (0)
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/* Run a function for a set of values that will cause many collisions */
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#define RUN_COLLISIONS(function) \
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do { \
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for (fd = 1; fd < BUCKET_MAX; fd += BUCKET_INC) { \
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function(fd); \
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} \
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} while (0)
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TEST_IMPL(fs_fd_hash) {
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int fd;
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uv__fd_hash_init();
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/* Empty table */
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RUN_HASH(assert_nonexistent);
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RUN_COLLISIONS(assert_nonexistent);
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/* Fill up */
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RUN_HASH(assert_insertion);
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RUN_COLLISIONS(assert_insertion);
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/* Full */
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RUN_HASH(assert_existent);
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RUN_COLLISIONS(assert_existent);
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/* Update */
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{
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struct uv__fd_info_s info = { 0 };
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info.flags = FD_DIFF + FD_DIFF;
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uv__fd_hash_add(0, &info;;
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}
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{
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struct uv__fd_info_s info = { 0 };
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ASSERT(uv__fd_hash_get(0, &info));
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ASSERT(info.flags == FD_DIFF + FD_DIFF);
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}
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{
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/* Leave as it was, will be again tested below */
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struct uv__fd_info_s info = { 0 };
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info.flags = FD_DIFF;
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uv__fd_hash_add(0, &info;;
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}
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/* Remove all */
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RUN_HASH(assert_removal);
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RUN_COLLISIONS(assert_removal);
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/* Empty table */
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RUN_HASH(assert_nonexistent);
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RUN_COLLISIONS(assert_nonexistent);
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return 0;
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}
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#else
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typedef int file_has_no_tests; /* ISO C forbids an empty translation unit. */
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#endif /* ifndef _WIN32 */
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