88 lines
2.8 KiB
C++
88 lines
2.8 KiB
C++
/*
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* Copyright (C) 2016 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <errno.h>
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#include <sys/shm.h>
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#include <android-base/file.h>
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#include <gtest/gtest.h>
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TEST(sys_shm, smoke) {
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if (shmctl(-1, IPC_STAT, nullptr) == -1 && errno == ENOSYS) {
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GTEST_SKIP() << "no <sys/shm.h> support in this kernel";
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}
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// Create a segment.
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TemporaryDir dir;
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key_t key = ftok(dir.path, 1);
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int id = shmget(key, 1234, IPC_CREAT|0666);
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ASSERT_NE(id, -1);
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// Check segment info.
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shmid_ds ds;
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memset(&ds, 0, sizeof(ds));
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ASSERT_EQ(0, shmctl(id, IPC_STAT, &ds));
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ASSERT_EQ(1234U, ds.shm_segsz);
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// Attach.
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void* p = shmat(id, nullptr, SHM_RDONLY);
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ASSERT_NE(p, nullptr);
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// Detach.
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ASSERT_EQ(0, shmdt(p));
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// Destroy the segment.
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ASSERT_EQ(0, shmctl(id, IPC_RMID, nullptr));
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}
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TEST(sys_shm, shmat_failure) {
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errno = 0;
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ASSERT_EQ(reinterpret_cast<void*>(-1), shmat(-1, nullptr, SHM_RDONLY));
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ASSERT_TRUE(errno == EINVAL || errno == ENOSYS);
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}
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TEST(sys_shm, shmctl_failure) {
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errno = 0;
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ASSERT_EQ(-1, shmctl(-1, IPC_STAT, nullptr));
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ASSERT_TRUE(errno == EINVAL || errno == ENOSYS);
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}
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TEST(sys_shm, shmdt_failure) {
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wnonnull"
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errno = 0;
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ASSERT_EQ(-1, shmdt(nullptr));
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ASSERT_TRUE(errno == EINVAL || errno == ENOSYS);
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#pragma clang diagnostic pop
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}
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TEST(sys_shm, shmget_failure) {
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errno = 0;
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ASSERT_EQ(-1, shmget(-1, 1234, 0));
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ASSERT_TRUE(errno == ENOENT || errno == ENOSYS);
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}
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