/* * Copyright (C) 2013 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include <gtest/gtest.h> #include <errno.h> #include <fcntl.h> #include "TemporaryFile.h" TEST(fcntl, fcntl_smoke) { int fd = open("/proc/version", O_RDONLY); ASSERT_TRUE(fd != -1); int flags = fcntl(fd, F_GETFD); ASSERT_TRUE(flags != -1); ASSERT_EQ(0, flags & FD_CLOEXEC); int rc = fcntl(fd, F_SETFD, FD_CLOEXEC); ASSERT_EQ(0, rc); flags = fcntl(fd, F_GETFD); ASSERT_TRUE(flags != -1); ASSERT_EQ(FD_CLOEXEC, flags & FD_CLOEXEC); close(fd); } TEST(fcntl, open_open64) { int fd; fd = open("/proc/version", O_RDONLY); ASSERT_TRUE(fd != -1); close(fd); fd = open64("/proc/version", O_RDONLY); ASSERT_TRUE(fd != -1); close(fd); } TEST(fcntl, openat_openat64) { int fd; fd = openat(AT_FDCWD, "/proc/version", O_RDONLY); ASSERT_TRUE(fd != -1); close(fd); fd = openat64(AT_FDCWD, "/proc/version", O_RDONLY); ASSERT_TRUE(fd != -1); close(fd); } TEST(fcntl, creat_creat64) { ASSERT_EQ(-1, creat("", 0666)); ASSERT_EQ(ENOENT, errno); ASSERT_EQ(-1, creat64("", 0666)); ASSERT_EQ(ENOENT, errno); } TEST(fcntl, fallocate_EINVAL) { TemporaryFile tf; #if !defined(__GLIBC__) errno = 0; ASSERT_EQ(-1, fallocate(tf.fd, 0, 0, -1)); ASSERT_EQ(EINVAL, errno); errno = 0; ASSERT_EQ(-1, fallocate64(tf.fd, 0, 0, -1)); ASSERT_EQ(EINVAL, errno); #endif errno = 0; ASSERT_EQ(EINVAL, posix_fallocate(tf.fd, 0, -1)); ASSERT_EQ(0, errno); errno = 0; ASSERT_EQ(EINVAL, posix_fallocate64(tf.fd, 0, -1)); ASSERT_EQ(0, errno); } TEST(fcntl, fallocate) { TemporaryFile tf; struct stat sb; ASSERT_EQ(0, fstat(tf.fd, &sb)); ASSERT_EQ(0, sb.st_size); #if !defined(__GLIBC__) ASSERT_EQ(0, fallocate(tf.fd, 0, 0, 1)); ASSERT_EQ(0, fstat(tf.fd, &sb)); ASSERT_EQ(1, sb.st_size); ASSERT_EQ(0, fallocate64(tf.fd, 0, 0, 2)); ASSERT_EQ(0, fstat(tf.fd, &sb)); ASSERT_EQ(2, sb.st_size); #endif ASSERT_EQ(0, posix_fallocate(tf.fd, 0, 3)); ASSERT_EQ(0, fstat(tf.fd, &sb)); ASSERT_EQ(3, sb.st_size); ASSERT_EQ(0, posix_fallocate64(tf.fd, 0, 4)); ASSERT_EQ(0, fstat(tf.fd, &sb)); ASSERT_EQ(4, sb.st_size); }