75 lines
1.9 KiB
C++
75 lines
1.9 KiB
C++
/*
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* Copyright (C) 2012 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 "TemporaryFile.h"
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#include <stdint.h>
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#include <unistd.h>
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TEST(unistd, sysconf_SC_MONOTONIC_CLOCK) {
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ASSERT_GT(sysconf(_SC_MONOTONIC_CLOCK), 0);
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}
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TEST(unistd, sbrk) {
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void* initial_break = sbrk(0);
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void* new_break = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(initial_break) + 2000);
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ASSERT_EQ(0, brk(new_break));
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void* final_break = sbrk(0);
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ASSERT_EQ(final_break, new_break);
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}
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TEST(unistd, truncate) {
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TemporaryFile tf;
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ASSERT_EQ(0, close(tf.fd));
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ASSERT_EQ(0, truncate(tf.filename, 123));
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struct stat sb;
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ASSERT_EQ(0, stat(tf.filename, &sb));
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ASSERT_EQ(123, sb.st_size);
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}
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TEST(unistd, truncate64) {
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TemporaryFile tf;
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ASSERT_EQ(0, close(tf.fd));
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ASSERT_EQ(0, truncate64(tf.filename, 123));
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struct stat sb;
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ASSERT_EQ(0, stat(tf.filename, &sb));
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ASSERT_EQ(123, sb.st_size);
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}
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TEST(unistd, ftruncate) {
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TemporaryFile tf;
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ASSERT_EQ(0, ftruncate(tf.fd, 123));
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ASSERT_EQ(0, close(tf.fd));
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struct stat sb;
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ASSERT_EQ(0, stat(tf.filename, &sb));
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ASSERT_EQ(123, sb.st_size);
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}
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TEST(unistd, ftruncate64) {
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TemporaryFile tf;
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ASSERT_EQ(0, ftruncate64(tf.fd, 123));
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ASSERT_EQ(0, close(tf.fd));
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struct stat sb;
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ASSERT_EQ(0, stat(tf.filename, &sb));
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ASSERT_EQ(123, sb.st_size);
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}
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