86 lines
2.1 KiB
C++
86 lines
2.1 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 <fcntl.h>
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#include "TemporaryFile.h"
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TEST(fcntl, fcntl_smoke) {
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int fd = open("/proc/version", O_RDONLY);
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ASSERT_TRUE(fd != -1);
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int flags = fcntl(fd, F_GETFD);
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ASSERT_TRUE(flags != -1);
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ASSERT_EQ(0, flags & FD_CLOEXEC);
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int rc = fcntl(fd, F_SETFD, FD_CLOEXEC);
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ASSERT_EQ(0, rc);
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flags = fcntl(fd, F_GETFD);
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ASSERT_TRUE(flags != -1);
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ASSERT_EQ(FD_CLOEXEC, flags & FD_CLOEXEC);
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}
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TEST(fcntl, fallocate_EINVAL) {
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TemporaryFile tf;
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#if !defined(__GLIBC__)
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errno = 0;
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ASSERT_EQ(-1, fallocate(tf.fd, 0, 0, -1));
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ASSERT_EQ(EINVAL, errno);
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errno = 0;
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ASSERT_EQ(-1, fallocate64(tf.fd, 0, 0, -1));
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ASSERT_EQ(EINVAL, errno);
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#endif
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errno = 0;
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ASSERT_EQ(EINVAL, posix_fallocate(tf.fd, 0, -1));
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ASSERT_EQ(0, errno);
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errno = 0;
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ASSERT_EQ(EINVAL, posix_fallocate64(tf.fd, 0, -1));
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ASSERT_EQ(0, errno);
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}
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TEST(fcntl, fallocate) {
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TemporaryFile tf;
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struct stat sb;
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ASSERT_EQ(0, fstat(tf.fd, &sb));
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ASSERT_EQ(0, sb.st_size);
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#if !defined(__GLIBC__)
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ASSERT_EQ(0, fallocate(tf.fd, 0, 0, 1));
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ASSERT_EQ(0, fstat(tf.fd, &sb));
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ASSERT_EQ(1, sb.st_size);
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ASSERT_EQ(0, fallocate64(tf.fd, 0, 0, 2));
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ASSERT_EQ(0, fstat(tf.fd, &sb));
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ASSERT_EQ(2, sb.st_size);
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#endif
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ASSERT_EQ(0, posix_fallocate(tf.fd, 0, 3));
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ASSERT_EQ(0, fstat(tf.fd, &sb));
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ASSERT_EQ(3, sb.st_size);
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ASSERT_EQ(0, posix_fallocate64(tf.fd, 0, 4));
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ASSERT_EQ(0, fstat(tf.fd, &sb));
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ASSERT_EQ(4, sb.st_size);
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}
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