platform_bionic/tests/sys_shm_test.cpp
Elliott Hughes bcaa454d32 bionic tests: use GTEST_SKIP.
Also be a bit more to the point in our messages, focusing on "why" not
"what".

Test: ran tests
Change-Id: I297806c7a102bd52602dcd2fcf7a2cd34aba3a11
2019-03-12 10:26:39 -07:00

85 lines
2.7 KiB
C++

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