Tests: Add tests for gethostbyname_r()

This commit is contained in:
Marcus Nilsson 2023-08-12 21:30:31 +02:00 committed by Andrew Kaster
parent 1a7e262752
commit 5c4b71ac67
2 changed files with 53 additions and 0 deletions

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@ -8,6 +8,7 @@ set(TEST_SOURCES
TestLibCDirEnt.cpp
TestLibCInodeWatcher.cpp
TestLibCMkTemp.cpp
TestLibCNetdb.cpp
TestLibCSetjmp.cpp
TestLibCString.cpp
TestLibCTime.cpp

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@ -0,0 +1,52 @@
/*
* Copyright (c) 2023, Marcus Nilsson <marcus.nilsson@genarp.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibTest/TestCase.h>
#include <arpa/inet.h>
#include <errno.h>
#include <netdb.h>
TEST_CASE(gethostbyname_r_should_return_erange_when_buffer_is_to_small)
{
constexpr size_t buffer_size = 2;
char buffer[buffer_size] = { 0 };
int h_errnop;
struct hostent ret;
struct hostent* result;
int rc = gethostbyname_r("127.0.0.1", &ret, buffer, buffer_size, &result, &h_errnop);
EXPECT_EQ(rc, ERANGE);
}
TEST_CASE(gethostbyname_r_should_return_host_not_found)
{
constexpr size_t buffer_size = 1024;
char buffer[buffer_size] = { 0 };
int h_errnop;
struct hostent ret;
struct hostent* result;
int rc = gethostbyname_r("unknownhostthatdoesntexistandhopefullyneverwill.com", &ret, buffer, buffer_size, &result, &h_errnop);
EXPECT(rc < 0);
EXPECT_EQ(h_errnop, HOST_NOT_FOUND);
}
TEST_CASE(gethostbyname_r)
{
constexpr size_t buffer_size = 1024;
char buffer[buffer_size] = { 0 };
int h_errnop;
struct hostent ret;
struct hostent* result;
int rc = gethostbyname_r("google.com", &ret, buffer, buffer_size, &result, &h_errnop);
EXPECT_EQ(rc, 0);
EXPECT_EQ(h_errnop, 0);
EXPECT_NE(result, nullptr);
EXPECT_EQ(result->h_aliases[0], nullptr);
EXPECT_EQ(result->h_addr_list[1], nullptr);
EXPECT_EQ(result->h_addrtype, AF_INET);
}