1//===-- Unittests for getaxuval -------------------------------------------===//
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-exception
6//
7//===----------------------------------------------------------------------===//
8#include "src/errno/libc_errno.h"
9#include "src/sys/auxv/getauxval.h"
10#include "test/UnitTest/ErrnoSetterMatcher.h"
11#include "test/UnitTest/Test.h"
12#include <src/string/strstr.h>
13#include <sys/auxv.h>
14
15using namespace LIBC_NAMESPACE::testing::ErrnoSetterMatcher;
16
17TEST(LlvmLibcGetauxvalTest, Basic) {
18 EXPECT_THAT(LIBC_NAMESPACE::getauxval(AT_PAGESZ),
19 returns(GT(0ul)).with_errno(EQ(0)));
20 const char *filename;
21 auto getfilename = [&filename]() {
22 auto value = LIBC_NAMESPACE::getauxval(AT_EXECFN);
23 filename = reinterpret_cast<const char *>(value);
24 return value;
25 };
26 EXPECT_THAT(getfilename(), returns(NE(0ul)).with_errno(EQ(0)));
27 ASSERT_TRUE(LIBC_NAMESPACE::strstr(filename, "getauxval_test") != nullptr);
28}
29

source code of libc/test/src/sys/auxv/linux/getauxval_test.cpp