mirror of
https://github.com/netbirdio/gvisor.git
synced 2026-05-22 17:12:49 -07:00
Michael Pratt
4d52a55201
Based on the guidelines at https://opensource.google.com/docs/releasing/authors/. 1. $ rg -l "Google LLC" | xargs sed -i 's/Google LLC.*/The gVisor Authors./' 2. Manual fixup of "Google Inc" references. 3. Add AUTHORS file. Authors may request to be added to this file. 4. Point netstack AUTHORS to gVisor AUTHORS. Drop CONTRIBUTORS. Fixes #209 PiperOrigin-RevId: 245823212 Change-Id: I64530b24ad021a7d683137459cafc510f5ee1de9
69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
// Copyright 2018 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <string>
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#include "gtest/gtest.h"
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#include "test/util/fs_util.h"
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#include "test/util/temp_path.h"
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#include "test/util/test_util.h"
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namespace gvisor {
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namespace testing {
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namespace {
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constexpr int kMode = 0666;
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TEST(CreatTest, CreatCreatesNewFile) {
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std::string const path = NewTempAbsPath();
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struct stat buf;
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int fd;
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ASSERT_THAT(stat(path.c_str(), &buf), SyscallFailsWithErrno(ENOENT));
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ASSERT_THAT(fd = creat(path.c_str(), kMode), SyscallSucceeds());
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EXPECT_THAT(close(fd), SyscallSucceeds());
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EXPECT_THAT(stat(path.c_str(), &buf), SyscallSucceeds());
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}
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TEST(CreatTest, CreatTruncatesExistingFile) {
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auto temp_path = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
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int fd;
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ASSERT_NO_ERRNO(SetContents(temp_path.path(), "non-empty"));
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ASSERT_THAT(fd = creat(temp_path.path().c_str(), kMode), SyscallSucceeds());
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EXPECT_THAT(close(fd), SyscallSucceeds());
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std::string new_contents;
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ASSERT_NO_ERRNO(GetContents(temp_path.path(), &new_contents));
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EXPECT_EQ("", new_contents);
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}
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TEST(CreatTest, CreatWithNameTooLong) {
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// Start with a unique name, and pad it to NAME_MAX + 1;
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std::string name = NewTempRelPath();
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int padding = (NAME_MAX + 1) - name.size();
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name.append(padding, 'x');
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const std::string& path = JoinPath(GetAbsoluteTestTmpdir(), name);
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// Creation should return ENAMETOOLONG.
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ASSERT_THAT(creat(path.c_str(), kMode), SyscallFailsWithErrno(ENAMETOOLONG));
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}
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} // namespace
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} // namespace testing
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} // namespace gvisor
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