2 files changed, 36 insertions, 0 deletions
diff --git a/test/common/CMakeLists.txt b/test/common/CMakeLists.txt
index 7926437c..38c15000 100644
--- a/test/common/CMakeLists.txt
+++ b/test/common/CMakeLists.txt
@@ -13,6 +13,10 @@ if (UNIX)
 endif()
 
 if (WIN32)
+	target_sources(cru_base_test PRIVATE
+		io/Win32FileStreamTest.cpp
+	)
+
 	add_custom_command(TARGET cru_base_test POST_BUILD
 	COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_RUNTIME_DLLS:cru_base_test> $<TARGET_FILE_DIR:cru_base_test>
 	COMMAND_EXPAND_LISTS
diff --git a/test/common/io/Win32FileStreamTest.cpp b/test/common/io/Win32FileStreamTest.cpp
new file mode 100644
index 00000000..6c3edb6f
--- /dev/null
+++ b/test/common/io/Win32FileStreamTest.cpp
@@ -0,0 +1,32 @@
+#include "cru/common/io/OpenFileFlag.hpp"
+#include "cru/common/io/Win32FileStream.hpp"
+
+#include <gtest/gtest.h>
+
+#include <cstdio>
+#include <filesystem>
+
+TEST(UnixFileStream, Work) {
+  using namespace cru;
+  using namespace cru::io;
+
+  auto temp_file_path =
+      (std::filesystem::temp_directory_path() / "cru_test_temp.XXXXXX")
+          .native();
+  _wmktemp(temp_file_path.data());
+
+  String path = temp_file_path;
+
+  Win32FileStream file(path, OpenFileFlags::Write | OpenFileFlags::Create);
+  file.Write("abc", 3);
+  file.Close();
+
+  Win32FileStream file2(path, OpenFileFlags::Read);
+  auto buffer = std::make_unique<std::byte[]>(3);
+  file2.Read(buffer.get(), 3);
+  ASSERT_EQ(std::string_view(reinterpret_cast<const char*>(buffer.get()), 3),
+            "abc");
+  file2.Close();
+
+  std::filesystem::remove(temp_file_path);
+}