43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <gtest/gtest.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <sys/select.h>
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TEST(sys_select, fd_set_smoke) {
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fd_set fds;
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FD_ZERO(&fds);
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for (size_t i = 0; i < 1024; ++i) {
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EXPECT_FALSE(FD_ISSET(i, &fds));
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}
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FD_SET(0, &fds);
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EXPECT_TRUE(FD_ISSET(0, &fds));
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EXPECT_FALSE(FD_ISSET(1, &fds));
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FD_SET(1, &fds);
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EXPECT_TRUE(FD_ISSET(0, &fds));
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EXPECT_TRUE(FD_ISSET(1, &fds));
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FD_CLR(0, &fds);
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EXPECT_FALSE(FD_ISSET(0, &fds));
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EXPECT_TRUE(FD_ISSET(1, &fds));
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FD_CLR(1, &fds);
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EXPECT_FALSE(FD_ISSET(0, &fds));
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EXPECT_FALSE(FD_ISSET(1, &fds));
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}
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