1 files changed, 57 insertions, 0 deletions
diff --git a/gnu/llvm/unittests/Support/ProcessTest.cpp b/gnu/llvm/unittests/Support/ProcessTest.cpp
new file mode 100644
index 00000000000..298a0a37323
--- /dev/null
+++ b/gnu/llvm/unittests/Support/ProcessTest.cpp
@@ -0,0 +1,57 @@
+//===- unittest/Support/ProcessTest.cpp -----------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Support/Process.h"
+#include "gtest/gtest.h"
+
+#ifdef LLVM_ON_WIN32
+#include <windows.h>
+#endif
+
+namespace {
+
+using namespace llvm;
+using namespace sys;
+
+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