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51ca0040e6
In file included from ../unittests/Support/ProcessTest.cpp:11:
../utils/unittest/googletest/include/gtest/gtest.h:1448:28: warning: comparison of integers of different signs: 'const unsigned int' and 'const int' [-Wsign-compare]
GTEST_IMPL_CMP_HELPER_(NE, !=);
~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
../utils/unittest/googletest/include/gtest/gtest.h:1433:12: note: expanded from macro 'GTEST_IMPL_CMP_HELPER_'
if (val1 op val2) {\
^
../unittests/Support/ProcessTest.cpp:46:3: note: in instantiation of function template specialization 'testing::internal::CmpHelperNE<unsigned int, int>' requested here
EXPECT_NE((r1 | r2), 0);
^
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200801 91177308-0d34-0410-b5e6-96231b3b80d8
78 lines
2.3 KiB
C++
78 lines
2.3 KiB
C++
//===- unittest/Support/ProcessTest.cpp -----------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/Process.h"
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#include "gtest/gtest.h"
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#ifdef LLVM_ON_WIN32
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#include <windows.h>
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#endif
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namespace {
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using namespace llvm;
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using namespace sys;
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TEST(ProcessTest, SelfProcess) {
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EXPECT_TRUE(process::get_self());
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EXPECT_EQ(process::get_self(), process::get_self());
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#if defined(LLVM_ON_UNIX)
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EXPECT_EQ(getpid(), process::get_self()->get_id());
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#elif defined(LLVM_ON_WIN32)
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EXPECT_EQ(GetCurrentProcessId(), process::get_self()->get_id());
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#endif
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EXPECT_LT(1u, process::get_self()->page_size());
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EXPECT_LT(TimeValue::MinTime, process::get_self()->get_user_time());
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EXPECT_GT(TimeValue::MaxTime, process::get_self()->get_user_time());
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EXPECT_LT(TimeValue::MinTime, process::get_self()->get_system_time());
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EXPECT_GT(TimeValue::MaxTime, process::get_self()->get_system_time());
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EXPECT_LT(TimeValue::MinTime, process::get_self()->get_wall_time());
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EXPECT_GT(TimeValue::MaxTime, process::get_self()->get_wall_time());
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}
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TEST(ProcessTest, GetRandomNumberTest) {
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const unsigned r1 = Process::GetRandomNumber();
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const unsigned r2 = Process::GetRandomNumber();
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// It should be extremely unlikely that both r1 and r2 are 0.
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EXPECT_NE((r1 | r2), 0u);
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}
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#ifdef _MSC_VER
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#define setenv(name, var, ignore) _putenv_s(name, var)
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#endif
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#if HAVE_SETENV || _MSC_VER
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TEST(ProcessTest, Basic) {
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setenv("__LLVM_TEST_ENVIRON_VAR__", "abc", true);
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Optional<std::string> val(Process::GetEnv("__LLVM_TEST_ENVIRON_VAR__"));
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EXPECT_TRUE(val.hasValue());
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EXPECT_STREQ("abc", val->c_str());
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}
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TEST(ProcessTest, None) {
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Optional<std::string> val(
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Process::GetEnv("__LLVM_TEST_ENVIRON_NO_SUCH_VAR__"));
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EXPECT_FALSE(val.hasValue());
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}
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#endif
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#ifdef LLVM_ON_WIN32
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TEST(ProcessTest, Wchar) {
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SetEnvironmentVariableW(L"__LLVM_TEST_ENVIRON_VAR__", L"abcdefghijklmnopqrs");
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Optional<std::string> val(Process::GetEnv("__LLVM_TEST_ENVIRON_VAR__"));
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EXPECT_TRUE(val.hasValue());
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EXPECT_STREQ("abcdefghijklmnopqrs", val->c_str());
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}
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#endif
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} // end anonymous namespace
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