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//===-- Unittests for sendto/recvfrom -------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "src/sys/socket/recvfrom.h"
#include "src/sys/socket/sendto.h"
#include "src/sys/socket/socketpair.h"
#include "src/unistd/close.h"
#include "test/UnitTest/ErrnoCheckingTest.h"
#include "test/UnitTest/ErrnoSetterMatcher.h"
#include "test/UnitTest/Test.h"
#include <sys/socket.h> // For AF_UNIX and SOCK_DGRAM
using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
using LlvmLibcSendToRecvFromTest = LIBC_NAMESPACE::testing::ErrnoCheckingTest;
TEST_F(LlvmLibcSendToRecvFromTest, SucceedsWithSocketPair) {
const char TEST_MESSAGE[] = "connection successful";
const size_t MESSAGE_LEN = sizeof(TEST_MESSAGE);
int sockpair[2] = {0, 0};
ASSERT_THAT(LIBC_NAMESPACE::socketpair(AF_UNIX, SOCK_STREAM, 0, sockpair),
Succeeds(0));
ASSERT_THAT(LIBC_NAMESPACE::sendto(sockpair[0], TEST_MESSAGE, MESSAGE_LEN, 0,
nullptr, 0),
Succeeds(static_cast<ssize_t>(MESSAGE_LEN)));
char buffer[256];
ASSERT_THAT(LIBC_NAMESPACE::recvfrom(sockpair[1], buffer, sizeof(buffer), 0,
nullptr, 0),
Succeeds(static_cast<ssize_t>(MESSAGE_LEN)));
ASSERT_STREQ(buffer, TEST_MESSAGE);
// close both ends of the socket
ASSERT_THAT(LIBC_NAMESPACE::close(sockpair[0]), Succeeds(0));
ASSERT_THAT(LIBC_NAMESPACE::close(sockpair[1]), Succeeds(0));
}
TEST_F(LlvmLibcSendToRecvFromTest, SendToFails) {
const char TEST_MESSAGE[] = "connection terminated";
const size_t MESSAGE_LEN = sizeof(TEST_MESSAGE);
ASSERT_THAT(
LIBC_NAMESPACE::sendto(-1, TEST_MESSAGE, MESSAGE_LEN, 0, nullptr, 0),
Fails(EBADF));
}
TEST_F(LlvmLibcSendToRecvFromTest, RecvFromFails) {
char buffer[256];
ASSERT_THAT(
LIBC_NAMESPACE::recvfrom(-1, buffer, sizeof(buffer), 0, nullptr, 0),
Fails(EBADF));
}
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