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-rw-r--r--test/syscalls/linux/readv.cc294
1 files changed, 0 insertions, 294 deletions
diff --git a/test/syscalls/linux/readv.cc b/test/syscalls/linux/readv.cc
deleted file mode 100644
index baaf9f757..000000000
--- a/test/syscalls/linux/readv.cc
+++ /dev/null
@@ -1,294 +0,0 @@
-// Copyright 2018 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 <limits.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include "gtest/gtest.h"
-#include "test/syscalls/linux/file_base.h"
-#include "test/syscalls/linux/readv_common.h"
-#include "test/util/file_descriptor.h"
-#include "test/util/temp_path.h"
-#include "test/util/test_util.h"
-#include "test/util/timer_util.h"
-
-namespace gvisor {
-namespace testing {
-
-namespace {
-
-class ReadvTest : public FileTest {
- void SetUp() override {
- FileTest::SetUp();
-
- ASSERT_THAT(write(test_file_fd_.get(), kReadvTestData, kReadvTestDataSize),
- SyscallSucceedsWithValue(kReadvTestDataSize));
- ASSERT_THAT(lseek(test_file_fd_.get(), 0, SEEK_SET),
- SyscallSucceedsWithValue(0));
- ASSERT_THAT(write(test_pipe_[1], kReadvTestData, kReadvTestDataSize),
- SyscallSucceedsWithValue(kReadvTestDataSize));
- }
-};
-
-TEST_F(ReadvTest, ReadOneBufferPerByte_File) {
- ReadOneBufferPerByte(test_file_fd_.get());
-}
-
-TEST_F(ReadvTest, ReadOneBufferPerByte_Pipe) {
- ReadOneBufferPerByte(test_pipe_[0]);
-}
-
-TEST_F(ReadvTest, ReadOneHalfAtATime_File) {
- ReadOneHalfAtATime(test_file_fd_.get());
-}
-
-TEST_F(ReadvTest, ReadOneHalfAtATime_Pipe) {
- ReadOneHalfAtATime(test_pipe_[0]);
-}
-
-TEST_F(ReadvTest, ReadAllOneBuffer_File) {
- ReadAllOneBuffer(test_file_fd_.get());
-}
-
-TEST_F(ReadvTest, ReadAllOneBuffer_Pipe) { ReadAllOneBuffer(test_pipe_[0]); }
-
-TEST_F(ReadvTest, ReadAllOneLargeBuffer_File) {
- ReadAllOneLargeBuffer(test_file_fd_.get());
-}
-
-TEST_F(ReadvTest, ReadAllOneLargeBuffer_Pipe) {
- ReadAllOneLargeBuffer(test_pipe_[0]);
-}
-
-TEST_F(ReadvTest, ReadBuffersOverlapping_File) {
- ReadBuffersOverlapping(test_file_fd_.get());
-}
-
-TEST_F(ReadvTest, ReadBuffersOverlapping_Pipe) {
- ReadBuffersOverlapping(test_pipe_[0]);
-}
-
-TEST_F(ReadvTest, ReadBuffersDiscontinuous_File) {
- ReadBuffersDiscontinuous(test_file_fd_.get());
-}
-
-TEST_F(ReadvTest, ReadBuffersDiscontinuous_Pipe) {
- ReadBuffersDiscontinuous(test_pipe_[0]);
-}
-
-TEST_F(ReadvTest, ReadIovecsCompletelyFilled_File) {
- ReadIovecsCompletelyFilled(test_file_fd_.get());
-}
-
-TEST_F(ReadvTest, ReadIovecsCompletelyFilled_Pipe) {
- ReadIovecsCompletelyFilled(test_pipe_[0]);
-}
-
-TEST_F(ReadvTest, BadFileDescriptor) {
- char buffer[1024];
- struct iovec iov[1];
- iov[0].iov_base = buffer;
- iov[0].iov_len = 1024;
-
- ASSERT_THAT(readv(-1, iov, 1024), SyscallFailsWithErrno(EBADF));
-}
-
-TEST_F(ReadvTest, BadIovecsPointer_File) {
- ASSERT_THAT(readv(test_file_fd_.get(), nullptr, 1),
- SyscallFailsWithErrno(EFAULT));
-}
-
-TEST_F(ReadvTest, BadIovecsPointer_Pipe) {
- ASSERT_THAT(readv(test_pipe_[0], nullptr, 1), SyscallFailsWithErrno(EFAULT));
-}
-
-TEST_F(ReadvTest, BadIovecBase_File) {
- struct iovec iov[1];
- iov[0].iov_base = nullptr;
- iov[0].iov_len = 1024;
- ASSERT_THAT(readv(test_file_fd_.get(), iov, 1),
- SyscallFailsWithErrno(EFAULT));
-}
-
-TEST_F(ReadvTest, BadIovecBase_Pipe) {
- struct iovec iov[1];
- iov[0].iov_base = nullptr;
- iov[0].iov_len = 1024;
- ASSERT_THAT(readv(test_pipe_[0], iov, 1), SyscallFailsWithErrno(EFAULT));
-}
-
-TEST_F(ReadvTest, ZeroIovecs_File) {
- struct iovec iov[1];
- iov[0].iov_base = 0;
- iov[0].iov_len = 0;
- ASSERT_THAT(readv(test_file_fd_.get(), iov, 1), SyscallSucceeds());
-}
-
-TEST_F(ReadvTest, ZeroIovecs_Pipe) {
- struct iovec iov[1];
- iov[0].iov_base = 0;
- iov[0].iov_len = 0;
- ASSERT_THAT(readv(test_pipe_[0], iov, 1), SyscallSucceeds());
-}
-
-TEST_F(ReadvTest, NotReadable_File) {
- char buffer[1024];
- struct iovec iov[1];
- iov[0].iov_base = buffer;
- iov[0].iov_len = 1024;
-
- std::string wronly_file = NewTempAbsPath();
- FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(
- Open(wronly_file, O_CREAT | O_WRONLY, S_IRUSR | S_IWUSR));
- ASSERT_THAT(readv(fd.get(), iov, 1), SyscallFailsWithErrno(EBADF));
- fd.reset(); // Close before unlinking.
- ASSERT_THAT(unlink(wronly_file.c_str()), SyscallSucceeds());
-}
-
-TEST_F(ReadvTest, NotReadable_Pipe) {
- char buffer[1024];
- struct iovec iov[1];
- iov[0].iov_base = buffer;
- iov[0].iov_len = 1024;
- ASSERT_THAT(readv(test_pipe_[1], iov, 1), SyscallFailsWithErrno(EBADF));
-}
-
-TEST_F(ReadvTest, DirNotReadable) {
- char buffer[1024];
- struct iovec iov[1];
- iov[0].iov_base = buffer;
- iov[0].iov_len = 1024;
-
- const FileDescriptor fd =
- ASSERT_NO_ERRNO_AND_VALUE(Open(GetAbsoluteTestTmpdir(), O_RDONLY));
- ASSERT_THAT(readv(fd.get(), iov, 1), SyscallFailsWithErrno(EISDIR));
-}
-
-TEST_F(ReadvTest, OffsetIncremented) {
- char* buffer = reinterpret_cast<char*>(malloc(kReadvTestDataSize));
- struct iovec iov[1];
- iov[0].iov_base = buffer;
- iov[0].iov_len = kReadvTestDataSize;
-
- ASSERT_THAT(readv(test_file_fd_.get(), iov, 1),
- SyscallSucceedsWithValue(kReadvTestDataSize));
- ASSERT_THAT(lseek(test_file_fd_.get(), 0, SEEK_CUR),
- SyscallSucceedsWithValue(kReadvTestDataSize));
-
- free(buffer);
-}
-
-TEST_F(ReadvTest, EndOfFile) {
- char* buffer = reinterpret_cast<char*>(malloc(kReadvTestDataSize));
- struct iovec iov[1];
- iov[0].iov_base = buffer;
- iov[0].iov_len = kReadvTestDataSize;
- ASSERT_THAT(readv(test_file_fd_.get(), iov, 1),
- SyscallSucceedsWithValue(kReadvTestDataSize));
- free(buffer);
-
- buffer = reinterpret_cast<char*>(malloc(kReadvTestDataSize));
- iov[0].iov_base = buffer;
- iov[0].iov_len = kReadvTestDataSize;
- ASSERT_THAT(readv(test_file_fd_.get(), iov, 1), SyscallSucceedsWithValue(0));
- free(buffer);
-}
-
-TEST_F(ReadvTest, WouldBlock_Pipe) {
- struct iovec iov[1];
- iov[0].iov_base = reinterpret_cast<char*>(malloc(kReadvTestDataSize));
- iov[0].iov_len = kReadvTestDataSize;
- ASSERT_THAT(readv(test_pipe_[0], iov, 1),
- SyscallSucceedsWithValue(kReadvTestDataSize));
- free(iov[0].iov_base);
-
- iov[0].iov_base = reinterpret_cast<char*>(malloc(kReadvTestDataSize));
- ASSERT_THAT(readv(test_pipe_[0], iov, 1), SyscallFailsWithErrno(EAGAIN));
- free(iov[0].iov_base);
-}
-
-TEST_F(ReadvTest, ZeroBuffer) {
- char buf[10];
- struct iovec iov[1];
- iov[0].iov_base = buf;
- iov[0].iov_len = 0;
- ASSERT_THAT(readv(test_pipe_[0], iov, 1), SyscallSucceedsWithValue(0));
-}
-
-TEST_F(ReadvTest, NullIovecInNonemptyArray) {
- std::vector<char> buf(kReadvTestDataSize);
- struct iovec iov[2];
- iov[0].iov_base = nullptr;
- iov[0].iov_len = 0;
- iov[1].iov_base = buf.data();
- iov[1].iov_len = kReadvTestDataSize;
- ASSERT_THAT(readv(test_file_fd_.get(), iov, 2),
- SyscallSucceedsWithValue(kReadvTestDataSize));
-}
-
-TEST_F(ReadvTest, IovecOutsideTaskAddressRangeInNonemptyArray) {
- std::vector<char> buf(kReadvTestDataSize);
- struct iovec iov[2];
- iov[0].iov_base = reinterpret_cast<void*>(~static_cast<uintptr_t>(0));
- iov[0].iov_len = 0;
- iov[1].iov_base = buf.data();
- iov[1].iov_len = kReadvTestDataSize;
- ASSERT_THAT(readv(test_file_fd_.get(), iov, 2),
- SyscallFailsWithErrno(EFAULT));
-}
-
-// This test depends on the maximum extent of a single readv() syscall, so
-// we can't tolerate interruption from saving.
-TEST(ReadvTestNoFixture, TruncatedAtMax_NoRandomSave) {
- // Ensure that we won't be interrupted by ITIMER_PROF. This is particularly
- // important in environments where automated profiling tools may start
- // ITIMER_PROF automatically.
- struct itimerval itv = {};
- auto const cleanup_itimer =
- ASSERT_NO_ERRNO_AND_VALUE(ScopedItimer(ITIMER_PROF, itv));
-
- // From Linux's include/linux/fs.h.
- size_t const MAX_RW_COUNT = INT_MAX & ~(kPageSize - 1);
-
- // Create an iovec array with 3 segments pointing to consecutive parts of a
- // buffer. The first covers all but the last three pages, and should be
- // written to in its entirety. The second covers the last page before
- // MAX_RW_COUNT and the first page after; only the first page should be
- // written to. The third covers the last page of the buffer, and should be
- // skipped entirely.
- size_t const kBufferSize = MAX_RW_COUNT + 2 * kPageSize;
- size_t const kFirstOffset = MAX_RW_COUNT - kPageSize;
- size_t const kSecondOffset = MAX_RW_COUNT + kPageSize;
- // The buffer is too big to fit on the stack.
- std::vector<char> buf(kBufferSize);
- struct iovec iov[3];
- iov[0].iov_base = buf.data();
- iov[0].iov_len = kFirstOffset;
- iov[1].iov_base = buf.data() + kFirstOffset;
- iov[1].iov_len = kSecondOffset - kFirstOffset;
- iov[2].iov_base = buf.data() + kSecondOffset;
- iov[2].iov_len = kBufferSize - kSecondOffset;
-
- const FileDescriptor fd =
- ASSERT_NO_ERRNO_AND_VALUE(Open("/dev/zero", O_RDONLY));
- EXPECT_THAT(readv(fd.get(), iov, 3), SyscallSucceedsWithValue(MAX_RW_COUNT));
-}
-
-} // namespace
-
-} // namespace testing
-} // namespace gvisor
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