mirror of
https://github.com/chromium/crashpad.git
synced 2025-03-10 14:46:07 +00:00
85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
|
// Copyright 2014 The Crashpad Authors. All rights reserved.
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
// you may not use this file except in compliance with the License.
|
||
|
|
// You may obtain a copy of the License at
|
||
|
|
//
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
|
||
|
|
#include "util/test/multiprocess.h"
|
||
|
|
|
||
|
|
#include <unistd.h>
|
||
|
|
|
||
|
|
#include "base/basictypes.h"
|
||
|
|
#include "gtest/gtest.h"
|
||
|
|
#include "util/file/fd_io.h"
|
||
|
|
#include "util/test/errors.h"
|
||
|
|
|
||
|
|
namespace {
|
||
|
|
|
||
|
|
using namespace crashpad;
|
||
|
|
using namespace crashpad::test;
|
||
|
|
|
||
|
|
class TestMultiprocess final : public Multiprocess {
|
||
|
|
public:
|
||
|
|
TestMultiprocess() : Multiprocess() {}
|
||
|
|
|
||
|
|
~TestMultiprocess() {}
|
||
|
|
|
||
|
|
private:
|
||
|
|
virtual void MultiprocessParent() override {
|
||
|
|
int read_fd = ReadPipeFD();
|
||
|
|
char c;
|
||
|
|
ssize_t rv = ReadFD(read_fd, &c, 1);
|
||
|
|
ASSERT_EQ(1, rv) << ErrnoMessage("read");
|
||
|
|
EXPECT_EQ('M', c);
|
||
|
|
|
||
|
|
pid_t pid;
|
||
|
|
rv = ReadFD(read_fd, &pid, sizeof(pid));
|
||
|
|
ASSERT_EQ(static_cast<ssize_t>(sizeof(pid)), rv) << ErrnoMessage("read");
|
||
|
|
EXPECT_EQ(pid, ChildPID());
|
||
|
|
|
||
|
|
int write_fd = WritePipeFD();
|
||
|
|
c = 'm';
|
||
|
|
rv = WriteFD(write_fd, &c, 1);
|
||
|
|
ASSERT_EQ(1, rv) << ErrnoMessage("write");
|
||
|
|
|
||
|
|
// The child will close its end of the pipe and exit. Make sure that the
|
||
|
|
// parent sees EOF.
|
||
|
|
rv = ReadFD(read_fd, &c, 1);
|
||
|
|
ASSERT_EQ(0, rv) << ErrnoMessage("read");
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual void MultiprocessChild() override {
|
||
|
|
int write_fd = WritePipeFD();
|
||
|
|
|
||
|
|
char c = 'M';
|
||
|
|
ssize_t rv = WriteFD(write_fd, &c, 1);
|
||
|
|
ASSERT_EQ(1, rv) << ErrnoMessage("write");
|
||
|
|
|
||
|
|
pid_t pid = getpid();
|
||
|
|
rv = WriteFD(write_fd, &pid, sizeof(pid));
|
||
|
|
ASSERT_EQ(static_cast<ssize_t>(sizeof(pid)), rv) << ErrnoMessage("write");
|
||
|
|
|
||
|
|
int read_fd = ReadPipeFD();
|
||
|
|
rv = ReadFD(read_fd, &c, 1);
|
||
|
|
ASSERT_EQ(1, rv) << ErrnoMessage("read");
|
||
|
|
EXPECT_EQ('m', c);
|
||
|
|
}
|
||
|
|
|
||
|
|
DISALLOW_COPY_AND_ASSIGN(TestMultiprocess);
|
||
|
|
};
|
||
|
|
|
||
|
|
TEST(Multiprocess, Multiprocess) {
|
||
|
|
TestMultiprocess multiprocess;
|
||
|
|
multiprocess.Run();
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace
|