1 //===-- Unittests for strerror --------------------------------------------===//
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
9 #include "src/__support/StringUtil/platform_errors.h"
10 #include "src/__support/macros/properties/architectures.h"
11 #include "src/string/strerror.h"
12 #include "test/UnitTest/Test.h"
13
TEST(LlvmLibcStrErrorTest,KnownErrors)14 TEST(LlvmLibcStrErrorTest, KnownErrors) {
15 ASSERT_STREQ(LIBC_NAMESPACE::strerror(0), "Success");
16
17 for (auto [i, msg] : LIBC_NAMESPACE::PLATFORM_ERRORS)
18 EXPECT_STREQ(LIBC_NAMESPACE::strerror(static_cast<int>(i)), msg.begin());
19 }
20
TEST(LlvmLibcStrErrorTest,UnknownErrors)21 TEST(LlvmLibcStrErrorTest, UnknownErrors) {
22 ASSERT_STREQ(LIBC_NAMESPACE::strerror(-1), "Unknown error -1");
23 ASSERT_STREQ(LIBC_NAMESPACE::strerror(134), "Unknown error 134");
24 ASSERT_STREQ(LIBC_NAMESPACE::strerror(2147483647),
25 "Unknown error 2147483647");
26 ASSERT_STREQ(LIBC_NAMESPACE::strerror(-2147483648),
27 "Unknown error -2147483648");
28 }
29