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// Copyright 2020 The gVisor Authors.
//
// 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 <errno.h>
#include <fcntl.h>
#include <linux/fuse.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <sys/statfs.h>
#include <sys/types.h>
#include <unistd.h>
#include <string>
#include <vector>
#include "gtest/gtest.h"
#include "test/fuse/linux/fuse_base.h"
#include "test/util/fuse_util.h"
#include "test/util/test_util.h"
namespace gvisor {
namespace testing {
namespace {
class ReleaseTest : public FuseTest {
protected:
const std::string test_file_ = "test_file";
};
TEST_F(ReleaseTest, RegularFile) {
const std::string test_file_path =
JoinPath(mount_point_.path().c_str(), test_file_);
SetServerInodeLookup(test_file_, S_IFREG | S_IRWXU | S_IRWXG | S_IRWXO);
struct fuse_out_header out_header = {
.len = sizeof(struct fuse_out_header) + sizeof(struct fuse_open_out),
};
struct fuse_open_out out_payload = {
.fh = 1,
.open_flags = O_RDWR,
};
auto iov_out = FuseGenerateIovecs(out_header, out_payload);
SetServerResponse(FUSE_OPEN, iov_out);
FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(test_file_path, O_RDWR));
SkipServerActualRequest();
ASSERT_THAT(close(fd.release()), SyscallSucceeds());
struct fuse_in_header in_header;
struct fuse_release_in in_payload;
auto iov_in = FuseGenerateIovecs(in_header, in_payload);
GetServerActualRequest(iov_in);
EXPECT_EQ(in_header.len, sizeof(in_header) + sizeof(in_payload));
EXPECT_EQ(in_header.opcode, FUSE_RELEASE);
EXPECT_EQ(in_payload.flags, O_RDWR);
EXPECT_EQ(in_payload.fh, 1);
}
} // namespace
} // namespace testing
} // namespace gvisor
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