diff --git a/src/test/cpp/util/windows_test_util_test.cc b/src/test/cpp/util/windows_test_util_test.cc
new file mode 100644
index 0000000..e408246
--- /dev/null
+++ b/src/test/cpp/util/windows_test_util_test.cc
@@ -0,0 +1,62 @@
+// Copyright 2016 The Bazel Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+#include <windows.h>
+
+#include <string>
+
+#include "gtest/gtest.h"
+#include "src/test/cpp/util/windows_test_util.h"
+
+#if !defined(COMPILER_MSVC) && !defined(__CYGWIN__)
+#error("This test should only be run on Windows")
+#endif  // !defined(COMPILER_MSVC) && !defined(__CYGWIN__)
+
+namespace blaze_util {
+
+using std::wstring;
+
+class WindowsTestUtilTest : public ::testing::Test {
+ public:
+  void SetUp() override { ::CreateDirectoryW(GetTestTmpDirW().c_str(), NULL); }
+  void TearDown() override { DeleteAllUnder(GetTestTmpDirW()); }
+};
+
+TEST_F(WindowsTestUtilTest, TestGetTestTempDirW) {
+  wstring actual = GetTestTmpDirW();
+  ASSERT_EQ(actual.find(L":\\"), 1);
+  ASSERT_EQ(actual.find(L"/"), wstring::npos);
+}
+
+TEST_F(WindowsTestUtilTest, TestCreateDummyFile) {
+  wstring wtemp = GetTestTmpDirW();
+  EXPECT_FALSE(wtemp.empty());
+  wstring file1 = wstring(L"\\\\?\\") + wtemp + L"\\file1.txt";
+  ASSERT_TRUE(CreateDummyFile(file1));
+  DWORD attr = ::GetFileAttributesW(file1.c_str());
+  ASSERT_NE(attr, INVALID_FILE_ATTRIBUTES);
+}
+
+TEST_F(WindowsTestUtilTest, TestDeleteAllUnder) {
+  wstring wtemp = GetTestTmpDirW();
+  EXPECT_FALSE(wtemp.empty());
+  wstring dir1 = wstring(L"\\\\?\\") + wtemp + L"\\dir1";
+  EXPECT_TRUE(::CreateDirectoryW(dir1.c_str(), NULL));
+  EXPECT_TRUE(CreateDummyFile(dir1 + L"\\file1.txt"));
+  wstring dir2 = dir1 + L"\\dir2";
+  EXPECT_TRUE(::CreateDirectoryW(dir2.c_str(), NULL));
+  EXPECT_TRUE(CreateDummyFile(dir2 + L"\\file2.txt"));
+  ASSERT_TRUE(DeleteAllUnder(dir1));
+}
+
+}  // namespace blaze_util