63 lines · cpp
1//===-- Unittests for send/recv -------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "src/sys/socket/recv.h"10#include "src/sys/socket/send.h"11#include "src/sys/socket/socketpair.h"12 13#include "src/unistd/close.h"14 15#include "test/UnitTest/ErrnoCheckingTest.h"16#include "test/UnitTest/ErrnoSetterMatcher.h"17#include "test/UnitTest/Test.h"18 19#include <sys/socket.h> // For AF_UNIX and SOCK_DGRAM20 21using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;22using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;23using LlvmLibcSendRecvTest = LIBC_NAMESPACE::testing::ErrnoCheckingTest;24 25TEST_F(LlvmLibcSendRecvTest, SucceedsWithSocketPair) {26 const char TEST_MESSAGE[] = "connection successful";27 const size_t MESSAGE_LEN = sizeof(TEST_MESSAGE);28 29 int sockpair[2] = {0, 0};30 31 ASSERT_THAT(LIBC_NAMESPACE::socketpair(AF_UNIX, SOCK_STREAM, 0, sockpair),32 Succeeds(0));33 34 ASSERT_THAT(LIBC_NAMESPACE::send(sockpair[0], TEST_MESSAGE, MESSAGE_LEN, 0),35 Succeeds(static_cast<ssize_t>(MESSAGE_LEN)));36 37 char buffer[256];38 39 ASSERT_THAT(LIBC_NAMESPACE::recv(sockpair[1], buffer, sizeof(buffer), 0),40 Succeeds(static_cast<ssize_t>(MESSAGE_LEN)));41 42 ASSERT_STREQ(buffer, TEST_MESSAGE);43 44 // close both ends of the socket45 ASSERT_THAT(LIBC_NAMESPACE::close(sockpair[0]), Succeeds(0));46 ASSERT_THAT(LIBC_NAMESPACE::close(sockpair[1]), Succeeds(0));47}48 49TEST_F(LlvmLibcSendRecvTest, SendFails) {50 const char TEST_MESSAGE[] = "connection terminated";51 const size_t MESSAGE_LEN = sizeof(TEST_MESSAGE);52 53 ASSERT_THAT(LIBC_NAMESPACE::send(-1, TEST_MESSAGE, MESSAGE_LEN, 0),54 Fails(EBADF));55}56 57TEST_F(LlvmLibcSendRecvTest, RecvFails) {58 char buffer[256];59 60 ASSERT_THAT(LIBC_NAMESPACE::recv(-1, buffer, sizeof(buffer), 0),61 Fails(EBADF));62}63