55 lines · cpp
1//===-- Unittests for bind ------------------------------------------------===//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/bind.h"10#include "src/sys/socket/socket.h"11 12#include "src/stdio/remove.h"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::Succeeds;22using LlvmLibcBindTest = LIBC_NAMESPACE::testing::ErrnoCheckingTest;23 24TEST_F(LlvmLibcBindTest, BindLocalSocket) {25 26 const char *FILENAME = "bind_file.test";27 auto SOCK_PATH = libc_make_test_file_path(FILENAME);28 29 int sock = LIBC_NAMESPACE::socket(AF_UNIX, SOCK_DGRAM, 0);30 ASSERT_GE(sock, 0);31 ASSERT_ERRNO_SUCCESS();32 33 struct sockaddr_un my_addr;34 35 my_addr.sun_family = AF_UNIX;36 unsigned int i = 0;37 for (;38 SOCK_PATH[i] != '\0' && (i < sizeof(sockaddr_un) - sizeof(sa_family_t));39 ++i)40 my_addr.sun_path[i] = SOCK_PATH[i];41 my_addr.sun_path[i] = '\0';42 43 // It's important that the path fits in the struct, if it doesn't then we44 // can't try to bind to the file.45 ASSERT_LT(46 i, static_cast<unsigned int>(sizeof(sockaddr_un) - sizeof(sa_family_t)));47 48 ASSERT_THAT(49 LIBC_NAMESPACE::bind(sock, reinterpret_cast<struct sockaddr *>(&my_addr),50 sizeof(struct sockaddr_un)),51 Succeeds(0));52 ASSERT_THAT(LIBC_NAMESPACE::close(sock), Succeeds(0));53 ASSERT_THAT(LIBC_NAMESPACE::remove(SOCK_PATH), Succeeds(0));54}55