1 //===- llvm/unittest/Support/CommandLineTest.cpp - CommandLine tests ------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "llvm/Support/CommandLine.h"
11 #include "llvm/Config/config.h"
13 #include "gtest/gtest.h"
24 TempEnvVar(const char *name, const char *value)
26 const char *old_value = getenv(name);
27 EXPECT_EQ(NULL, old_value) << old_value;
29 setenv(name, value, true);
31 # define SKIP_ENVIRONMENT_TESTS
37 // Assume setenv and unsetenv come together.
43 const char *const name;
46 #ifndef SKIP_ENVIRONMENT_TESTS
48 const char test_env_var[] = "LLVM_TEST_COMMAND_LINE_FLAGS";
50 cl::opt<std::string> EnvironmentTestOption("env-test-opt");
51 TEST(CommandLineTest, ParseEnvironment) {
52 TempEnvVar TEV(test_env_var, "-env-test-opt=hello");
53 EXPECT_EQ("", EnvironmentTestOption);
54 cl::ParseEnvironmentOptions("CommandLineTest", test_env_var);
55 EXPECT_EQ("hello", EnvironmentTestOption);
58 #endif // SKIP_ENVIRONMENT_TESTS
60 } // anonymous namespace