1 //===- unittest/Support/ProcessTest.cpp -----------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "llvm/Support/Process.h" 11 #include "gtest/gtest.h" 12 13 #ifdef LLVM_ON_WIN32 14 #include "windows.h" 15 #endif 16 17 namespace { 18 19 using namespace llvm; 20 using namespace sys; 21 22 TEST(ProcessTest, SelfProcess) { 23 EXPECT_TRUE(process::get_self()); 24 EXPECT_EQ(process::get_self(), process::get_self()); 25 26 #if defined(LLVM_ON_UNIX) 27 EXPECT_EQ(getpid(), process::get_self()->get_id()); 28 #elif defined(LLVM_ON_WIN32) 29 EXPECT_EQ(GetCurrentProcessId(), process::get_self()->get_id()); 30 #endif 31 32 EXPECT_LT(1u, process::get_self()->page_size()); 33 34 EXPECT_LT(TimeValue::MinTime, process::get_self()->get_user_time()); 35 EXPECT_GT(TimeValue::MaxTime, process::get_self()->get_user_time()); 36 EXPECT_LT(TimeValue::MinTime, process::get_self()->get_system_time()); 37 EXPECT_GT(TimeValue::MaxTime, process::get_self()->get_system_time()); 38 EXPECT_LT(TimeValue::MinTime, process::get_self()->get_wall_time()); 39 EXPECT_GT(TimeValue::MaxTime, process::get_self()->get_wall_time()); 40 } 41 42 #ifdef _MSC_VER 43 #define setenv(name, var, ignore) _putenv_s(name, var) 44 #endif 45 46 #if HAVE_SETENV || _MSC_VER 47 TEST(ProcessTest, Basic) { 48 setenv("__LLVM_TEST_ENVIRON_VAR__", "abc", true); 49 Optional<std::string> val(Process::GetEnv("__LLVM_TEST_ENVIRON_VAR__")); 50 EXPECT_TRUE(val.hasValue()); 51 EXPECT_STREQ("abc", val->c_str()); 52 } 53 54 TEST(ProcessTest, None) { 55 Optional<std::string> val( 56 Process::GetEnv("__LLVM_TEST_ENVIRON_NO_SUCH_VAR__")); 57 EXPECT_FALSE(val.hasValue()); 58 } 59 #endif 60 61 #ifdef LLVM_ON_WIN32 62 TEST(ProcessTest, Wchar) { 63 SetEnvironmentVariableW(L"__LLVM_TEST_ENVIRON_VAR__", L"abcdefghijklmnopqrs"); 64 Optional<std::string> val(Process::GetEnv("__LLVM_TEST_ENVIRON_VAR__")); 65 EXPECT_TRUE(val.hasValue()); 66 EXPECT_STREQ("abcdefghijklmnopqrs", val->c_str()); 67 } 68 #endif 69 70 } // end anonymous namespace 71