fcntl_test.cpp revision 062092543fdbd6fa2676e4f5b37a15f7bba94332
1/* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include <gtest/gtest.h> 18 19#include <errno.h> 20#include <fcntl.h> 21 22TEST(fcntl, fcntl_smoke) { 23 int fd = open("/proc/version", O_RDONLY); 24 ASSERT_TRUE(fd != -1); 25 26 int flags = fcntl(fd, F_GETFD); 27 ASSERT_TRUE(flags != -1); 28 ASSERT_EQ(0, flags & FD_CLOEXEC); 29 30 int rc = fcntl(fd, F_SETFD, FD_CLOEXEC); 31 ASSERT_EQ(0, rc); 32 33 flags = fcntl(fd, F_GETFD); 34 ASSERT_TRUE(flags != -1); 35 ASSERT_EQ(FD_CLOEXEC, flags & FD_CLOEXEC); 36} 37