99 lines
3.0 KiB
C++
99 lines
3.0 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 <gtest/gtest.h>
|
||
|
|
|
||
|
|
#include <errno.h>
|
||
|
|
#include <sys/msg.h>
|
||
|
|
|
||
|
|
#include <android-base/file.h>
|
||
|
|
|
||
|
|
TEST(sys_msg, smoke) {
|
||
|
|
if (msgctl(-1, IPC_STAT, nullptr) == -1 && errno == ENOSYS) {
|
||
|
|
GTEST_SKIP() << "no <sys/msg.h> support in this kernel";
|
||
|
|
}
|
||
|
|
|
||
|
|
// Create a queue.
|
||
|
|
TemporaryDir dir;
|
||
|
|
key_t key = ftok(dir.path, 1);
|
||
|
|
int id = msgget(key, IPC_CREAT|0666);
|
||
|
|
ASSERT_NE(id, -1);
|
||
|
|
|
||
|
|
// Queue should be empty.
|
||
|
|
msqid_ds ds;
|
||
|
|
memset(&ds, 0, sizeof(ds));
|
||
|
|
ASSERT_EQ(0, msgctl(id, IPC_STAT, &ds));
|
||
|
|
ASSERT_EQ(0U, ds.msg_qnum);
|
||
|
|
ASSERT_EQ(0U, ds.msg_cbytes);
|
||
|
|
|
||
|
|
// Send a message.
|
||
|
|
struct {
|
||
|
|
long type;
|
||
|
|
char data[32];
|
||
|
|
} msg = { 1, "hello world" };
|
||
|
|
ASSERT_EQ(0, msgsnd(id, &msg, sizeof(msg), 0));
|
||
|
|
|
||
|
|
// Queue should be non-empty.
|
||
|
|
ASSERT_EQ(0, msgctl(id, IPC_STAT, &ds));
|
||
|
|
ASSERT_EQ(1U, ds.msg_qnum);
|
||
|
|
ASSERT_EQ(sizeof(msg), ds.msg_cbytes);
|
||
|
|
|
||
|
|
// Read the message.
|
||
|
|
memset(&msg, 0, sizeof(msg));
|
||
|
|
ASSERT_EQ(static_cast<ssize_t>(sizeof(msg)), msgrcv(id, &msg, sizeof(msg), 0, 0));
|
||
|
|
ASSERT_EQ(1, msg.type);
|
||
|
|
ASSERT_STREQ("hello world", msg.data);
|
||
|
|
|
||
|
|
// Destroy the queue.
|
||
|
|
ASSERT_EQ(0, msgctl(id, IPC_RMID, nullptr));
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(sys_msg, msgctl_failure) {
|
||
|
|
errno = 0;
|
||
|
|
ASSERT_EQ(-1, msgctl(-1, IPC_STAT, nullptr));
|
||
|
|
ASSERT_TRUE(errno == EINVAL || errno == ENOSYS);
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(sys_msg, msgget_failure) {
|
||
|
|
errno = 0;
|
||
|
|
ASSERT_EQ(-1, msgget(-1, 0));
|
||
|
|
ASSERT_TRUE(errno == ENOENT || errno == ENOSYS);
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(sys_msg, msgrcv_failure) {
|
||
|
|
errno = 0;
|
||
|
|
ASSERT_EQ(-1, msgrcv(-1, nullptr, 0, 0, 0));
|
||
|
|
ASSERT_TRUE(errno == EINVAL || errno == ENOSYS);
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(sys_msg, msgsnd_failure) {
|
||
|
|
errno = 0;
|
||
|
|
ASSERT_EQ(-1, msgsnd(-1, "", 0, 0));
|
||
|
|
ASSERT_TRUE(errno == EINVAL || errno == ENOSYS);
|
||
|
|
}
|