1 //===- unittest/Support/ProcessTest.cpp -----------------------------------===//
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/Process.h"
11 #include "gtest/gtest.h"
22 TEST(ProcessTest, SelfProcess) {
23 EXPECT_TRUE(process::get_self());
24 EXPECT_EQ(process::get_self(), process::get_self());
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());
32 EXPECT_LT(1u, process::get_self()->page_size());
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());
43 #define setenv(name, var, ignore) _putenv_s(name, var)
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());
54 TEST(ProcessTest, None) {
55 Optional<std::string> val(
56 Process::GetEnv("__LLVM_TEST_ENVIRON_NO_SUCH_VAR__"));
57 EXPECT_FALSE(val.hasValue());
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());
70 } // end anonymous namespace