fcntl_test.cpp revision db1ea3474899ebbd783aba872d3005f95a816d0f
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 22#include "TemporaryFile.h" 23 24TEST(fcntl, fcntl_smoke) { 25 int fd = open("/proc/version", O_RDONLY); 26 ASSERT_TRUE(fd != -1); 27 28 int flags = fcntl(fd, F_GETFD); 29 ASSERT_TRUE(flags != -1); 30 ASSERT_EQ(0, flags & FD_CLOEXEC); 31 32 int rc = fcntl(fd, F_SETFD, FD_CLOEXEC); 33 ASSERT_EQ(0, rc); 34 35 flags = fcntl(fd, F_GETFD); 36 ASSERT_TRUE(flags != -1); 37 ASSERT_EQ(FD_CLOEXEC, flags & FD_CLOEXEC); 38 39 close(fd); 40} 41 42TEST(fcntl, open_open64) { 43 int fd; 44 45 fd = open("/proc/version", O_RDONLY); 46 ASSERT_TRUE(fd != -1); 47 close(fd); 48 49 fd = open64("/proc/version", O_RDONLY); 50 ASSERT_TRUE(fd != -1); 51 close(fd); 52} 53 54TEST(fcntl, openat_openat64) { 55 int fd; 56 57 fd = openat(AT_FDCWD, "/proc/version", O_RDONLY); 58 ASSERT_TRUE(fd != -1); 59 close(fd); 60 61 fd = openat64(AT_FDCWD, "/proc/version", O_RDONLY); 62 ASSERT_TRUE(fd != -1); 63 close(fd); 64} 65 66TEST(fcntl, creat_creat64) { 67 ASSERT_EQ(-1, creat("", 0666)); 68 ASSERT_EQ(ENOENT, errno); 69 ASSERT_EQ(-1, creat64("", 0666)); 70 ASSERT_EQ(ENOENT, errno); 71} 72 73TEST(fcntl, fallocate_EINVAL) { 74 TemporaryFile tf; 75 76#if !defined(__GLIBC__) 77 errno = 0; 78 ASSERT_EQ(-1, fallocate(tf.fd, 0, 0, -1)); 79 ASSERT_EQ(EINVAL, errno); 80 81 errno = 0; 82 ASSERT_EQ(-1, fallocate64(tf.fd, 0, 0, -1)); 83 ASSERT_EQ(EINVAL, errno); 84#endif 85 86 errno = 0; 87 ASSERT_EQ(EINVAL, posix_fallocate(tf.fd, 0, -1)); 88 ASSERT_EQ(0, errno); 89 90 errno = 0; 91 ASSERT_EQ(EINVAL, posix_fallocate64(tf.fd, 0, -1)); 92 ASSERT_EQ(0, errno); 93} 94 95TEST(fcntl, fallocate) { 96 TemporaryFile tf; 97 struct stat sb; 98 ASSERT_EQ(0, fstat(tf.fd, &sb)); 99 ASSERT_EQ(0, sb.st_size); 100 101#if !defined(__GLIBC__) 102 ASSERT_EQ(0, fallocate(tf.fd, 0, 0, 1)); 103 ASSERT_EQ(0, fstat(tf.fd, &sb)); 104 ASSERT_EQ(1, sb.st_size); 105 106 ASSERT_EQ(0, fallocate64(tf.fd, 0, 0, 2)); 107 ASSERT_EQ(0, fstat(tf.fd, &sb)); 108 ASSERT_EQ(2, sb.st_size); 109#endif 110 111 ASSERT_EQ(0, posix_fallocate(tf.fd, 0, 3)); 112 ASSERT_EQ(0, fstat(tf.fd, &sb)); 113 ASSERT_EQ(3, sb.st_size); 114 115 ASSERT_EQ(0, posix_fallocate64(tf.fd, 0, 4)); 116 ASSERT_EQ(0, fstat(tf.fd, &sb)); 117 ASSERT_EQ(4, sb.st_size); 118} 119