35 lines · cpp
1//===-- Unittests for getenv ----------------------------------------------===//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/stdlib/getenv.h"10#include "src/string/memory_utils/inline_strcmp.h"11 12#include "test/IntegrationTest/test.h"13 14TEST_MAIN([[maybe_unused]] int argc, [[maybe_unused]] char **argv,15 [[maybe_unused]] char **envp) {16 auto comp = [](char l, char r) -> int { return l - r; };17 ASSERT_TRUE(LIBC_NAMESPACE::getenv("") == nullptr);18 ASSERT_TRUE(LIBC_NAMESPACE::getenv("=") == nullptr);19 ASSERT_TRUE(LIBC_NAMESPACE::getenv("MISSING ENV VARIABLE") == nullptr);20 ASSERT_FALSE(LIBC_NAMESPACE::getenv("PATH") == nullptr);21 ASSERT_EQ(LIBC_NAMESPACE::inline_strcmp(LIBC_NAMESPACE::getenv("FRANCE"),22 "Paris", comp),23 0);24 ASSERT_NE(LIBC_NAMESPACE::inline_strcmp(LIBC_NAMESPACE::getenv("FRANCE"),25 "Berlin", comp),26 0);27 ASSERT_EQ(LIBC_NAMESPACE::inline_strcmp(LIBC_NAMESPACE::getenv("GERMANY"),28 "Berlin", comp),29 0);30 ASSERT_TRUE(LIBC_NAMESPACE::getenv("FRANC") == nullptr);31 ASSERT_TRUE(LIBC_NAMESPACE::getenv("FRANCE1") == nullptr);32 33 return 0;34}35