[Modules] Move ValueHandle into the IR library where Value itself lives.

[oota-llvm.git] / unittests / Support / ProcessTest.cpp

diff --git a/unittests/Support/ProcessTest.cpp b/unittests/Support/ProcessTest.cpp
index eff9c711a1ad0fee31a7d5f5c27e6aab0c6ada76..f4060720961b64adfafacf4178a5ed3aa6321b19 100644 (file)
--- a/unittests/Support/ProcessTest.cpp
+++ b/unittests/Support/ProcessTest.cpp
@@ -11,7 +11,7 @@
 #include "gtest/gtest.h"
 
 #ifdef LLVM_ON_WIN32
-#include "windows.h"
+#include <windows.h>
 #endif
 
 namespace {
@@ -39,4 +39,39 @@ TEST(ProcessTest, SelfProcess) {
   EXPECT_GT(TimeValue::MaxTime, process::get_self()->get_wall_time());
 }
 
+TEST(ProcessTest, GetRandomNumberTest) {
+  const unsigned r1 = Process::GetRandomNumber();
+  const unsigned r2 = Process::GetRandomNumber();
+  // It should be extremely unlikely that both r1 and r2 are 0.
+  EXPECT_NE((r1 | r2), 0u);
+}
+
+#ifdef _MSC_VER
+#define setenv(name, var, ignore) _putenv_s(name, var)
+#endif
+
+#if HAVE_SETENV || _MSC_VER
+TEST(ProcessTest, Basic) {
+  setenv("__LLVM_TEST_ENVIRON_VAR__", "abc", true);
+  Optional<std::string> val(Process::GetEnv("__LLVM_TEST_ENVIRON_VAR__"));
+  EXPECT_TRUE(val.hasValue());
+  EXPECT_STREQ("abc", val->c_str());
+}
+
+TEST(ProcessTest, None) {
+  Optional<std::string> val(
+      Process::GetEnv("__LLVM_TEST_ENVIRON_NO_SUCH_VAR__"));
+  EXPECT_FALSE(val.hasValue());
+}
+#endif
+
+#ifdef LLVM_ON_WIN32
+TEST(ProcessTest, Wchar) {
+  SetEnvironmentVariableW(L"__LLVM_TEST_ENVIRON_VAR__", L"abcdefghijklmnopqrs");
+  Optional<std::string> val(Process::GetEnv("__LLVM_TEST_ENVIRON_VAR__"));
+  EXPECT_TRUE(val.hasValue());
+  EXPECT_STREQ("abcdefghijklmnopqrs", val->c_str());
+}
+#endif
+
 } // end anonymous namespace