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-rw-r--r--test/syscalls/linux/readv_common.cc220
1 files changed, 0 insertions, 220 deletions
diff --git a/test/syscalls/linux/readv_common.cc b/test/syscalls/linux/readv_common.cc
deleted file mode 100644
index 2694dc64f..000000000
--- a/test/syscalls/linux/readv_common.cc
+++ /dev/null
@@ -1,220 +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 <sys/socket.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include "gtest/gtest.h"
-#include "test/util/test_util.h"
-
-namespace gvisor {
-namespace testing {
-
-// MatchesStringLength checks that a tuple argument of (struct iovec *, int)
-// corresponding to an iovec array and its length, contains data that matches
-// the string length strlen.
-MATCHER_P(MatchesStringLength, strlen, "") {
- struct iovec* iovs = arg.first;
- int niov = arg.second;
- int offset = 0;
- for (int i = 0; i < niov; i++) {
- offset += iovs[i].iov_len;
- }
- if (offset != static_cast<int>(strlen)) {
- *result_listener << offset;
- return false;
- }
- return true;
-}
-
-// MatchesStringValue checks that a tuple argument of (struct iovec *, int)
-// corresponding to an iovec array and its length, contains data that matches
-// the string value str.
-MATCHER_P(MatchesStringValue, str, "") {
- struct iovec* iovs = arg.first;
- int len = strlen(str);
- int niov = arg.second;
- int offset = 0;
- for (int i = 0; i < niov; i++) {
- struct iovec iov = iovs[i];
- if (len < offset) {
- *result_listener << "strlen " << len << " < offset " << offset;
- return false;
- }
- if (strncmp(static_cast<char*>(iov.iov_base), &str[offset], iov.iov_len)) {
- absl::string_view iovec_string(static_cast<char*>(iov.iov_base),
- iov.iov_len);
- *result_listener << iovec_string << " @offset " << offset;
- return false;
- }
- offset += iov.iov_len;
- }
- return true;
-}
-
-extern const char kReadvTestData[] =
- "127.0.0.1 localhost"
- ""
- "# The following lines are desirable for IPv6 capable hosts"
- "::1 ip6-localhost ip6-loopback"
- "fe00::0 ip6-localnet"
- "ff00::0 ip6-mcastprefix"
- "ff02::1 ip6-allnodes"
- "ff02::2 ip6-allrouters"
- "ff02::3 ip6-allhosts"
- "192.168.1.100 a"
- "93.184.216.34 foo.bar.example.com xcpu";
-extern const size_t kReadvTestDataSize = sizeof(kReadvTestData);
-
-static void ReadAllOneProvidedBuffer(int fd, std::vector<char>* buffer) {
- struct iovec iovs[1];
- iovs[0].iov_base = buffer->data();
- iovs[0].iov_len = kReadvTestDataSize;
-
- ASSERT_THAT(readv(fd, iovs, 1), SyscallSucceedsWithValue(kReadvTestDataSize));
-
- std::pair<struct iovec*, int> iovec_desc(iovs, 1);
- EXPECT_THAT(iovec_desc, MatchesStringLength(kReadvTestDataSize));
- EXPECT_THAT(iovec_desc, MatchesStringValue(kReadvTestData));
-}
-
-void ReadAllOneBuffer(int fd) {
- std::vector<char> buffer(kReadvTestDataSize);
- ReadAllOneProvidedBuffer(fd, &buffer);
-}
-
-void ReadAllOneLargeBuffer(int fd) {
- std::vector<char> buffer(10 * kReadvTestDataSize);
- ReadAllOneProvidedBuffer(fd, &buffer);
-}
-
-void ReadOneHalfAtATime(int fd) {
- int len0 = kReadvTestDataSize / 2;
- int len1 = kReadvTestDataSize - len0;
- std::vector<char> buffer0(len0);
- std::vector<char> buffer1(len1);
-
- struct iovec iovs[2];
- iovs[0].iov_base = buffer0.data();
- iovs[0].iov_len = len0;
- iovs[1].iov_base = buffer1.data();
- iovs[1].iov_len = len1;
-
- ASSERT_THAT(readv(fd, iovs, 2), SyscallSucceedsWithValue(kReadvTestDataSize));
-
- std::pair<struct iovec*, int> iovec_desc(iovs, 2);
- EXPECT_THAT(iovec_desc, MatchesStringLength(kReadvTestDataSize));
- EXPECT_THAT(iovec_desc, MatchesStringValue(kReadvTestData));
-}
-
-void ReadOneBufferPerByte(int fd) {
- std::vector<char> buffer(kReadvTestDataSize);
- std::vector<struct iovec> iovs(kReadvTestDataSize);
- char* buffer_ptr = buffer.data();
- struct iovec* iovs_ptr = iovs.data();
-
- for (int i = 0; i < static_cast<int>(kReadvTestDataSize); i++) {
- struct iovec iov = {
- .iov_base = &buffer_ptr[i],
- .iov_len = 1,
- };
- iovs_ptr[i] = iov;
- }
-
- ASSERT_THAT(readv(fd, iovs_ptr, kReadvTestDataSize),
- SyscallSucceedsWithValue(kReadvTestDataSize));
-
- std::pair<struct iovec*, int> iovec_desc(iovs.data(), kReadvTestDataSize);
- EXPECT_THAT(iovec_desc, MatchesStringLength(kReadvTestDataSize));
- EXPECT_THAT(iovec_desc, MatchesStringValue(kReadvTestData));
-}
-
-void ReadBuffersOverlapping(int fd) {
- // overlap the first overlap_bytes.
- int overlap_bytes = 8;
- std::vector<char> buffer(kReadvTestDataSize);
-
- // overlapping causes us to get more data.
- int expected_size = kReadvTestDataSize + overlap_bytes;
- std::vector<char> expected(expected_size);
- char* expected_ptr = expected.data();
- memcpy(expected_ptr, &kReadvTestData[overlap_bytes], overlap_bytes);
- memcpy(&expected_ptr[overlap_bytes], &kReadvTestData[overlap_bytes],
- kReadvTestDataSize - overlap_bytes);
-
- struct iovec iovs[2];
- iovs[0].iov_base = buffer.data();
- iovs[0].iov_len = overlap_bytes;
- iovs[1].iov_base = buffer.data();
- iovs[1].iov_len = kReadvTestDataSize;
-
- ASSERT_THAT(readv(fd, iovs, 2), SyscallSucceedsWithValue(kReadvTestDataSize));
-
- std::pair<struct iovec*, int> iovec_desc(iovs, 2);
- EXPECT_THAT(iovec_desc, MatchesStringLength(expected_size));
- EXPECT_THAT(iovec_desc, MatchesStringValue(expected_ptr));
-}
-
-void ReadBuffersDiscontinuous(int fd) {
- // Each iov is 1 byte separated by 1 byte.
- std::vector<char> buffer(kReadvTestDataSize * 2);
- std::vector<struct iovec> iovs(kReadvTestDataSize);
-
- char* buffer_ptr = buffer.data();
- struct iovec* iovs_ptr = iovs.data();
-
- for (int i = 0; i < static_cast<int>(kReadvTestDataSize); i++) {
- struct iovec iov = {
- .iov_base = &buffer_ptr[i * 2],
- .iov_len = 1,
- };
- iovs_ptr[i] = iov;
- }
-
- ASSERT_THAT(readv(fd, iovs_ptr, kReadvTestDataSize),
- SyscallSucceedsWithValue(kReadvTestDataSize));
-
- std::pair<struct iovec*, int> iovec_desc(iovs.data(), kReadvTestDataSize);
- EXPECT_THAT(iovec_desc, MatchesStringLength(kReadvTestDataSize));
- EXPECT_THAT(iovec_desc, MatchesStringValue(kReadvTestData));
-}
-
-void ReadIovecsCompletelyFilled(int fd) {
- int half = kReadvTestDataSize / 2;
- std::vector<char> buffer(kReadvTestDataSize);
- char* buffer_ptr = buffer.data();
- memset(buffer.data(), '\0', kReadvTestDataSize);
-
- struct iovec iovs[2];
- iovs[0].iov_base = buffer.data();
- iovs[0].iov_len = half;
- iovs[1].iov_base = &buffer_ptr[half];
- iovs[1].iov_len = half;
-
- ASSERT_THAT(readv(fd, iovs, 2), SyscallSucceedsWithValue(half * 2));
-
- std::pair<struct iovec*, int> iovec_desc(iovs, 2);
- EXPECT_THAT(iovec_desc, MatchesStringLength(half * 2));
- EXPECT_THAT(iovec_desc, MatchesStringValue(kReadvTestData));
-
- char* str = static_cast<char*>(iovs[0].iov_base);
- str[iovs[0].iov_len - 1] = '\0';
- ASSERT_EQ(half - 1, strlen(str));
-}
-
-} // namespace testing
-} // namespace gvisor
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 06:32:15 +0000