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1 files changed, 38 insertions, 0 deletions

diff --git a/test/common/platform/win/StreamConvertTest.cpp b/test/common/platform/win/StreamConvertTest.cpp
new file mode 100644
index 00000000..43c6f46c
--- /dev/null
+++ b/test/common/platform/win/StreamConvertTest.cpp
@@ -0,0 +1,38 @@
+#include "cru/common/io/OpenFileFlag.hpp"
+#include "cru/common/platform/win/Exception.hpp"
+#include "cru/common/platform/win/StreamConvert.hpp"
+#include "cru/common/platform/win/Win32FileStream.hpp"
+
+#include <gtest/gtest.h>
+
+#include <cstdio>
+#include <filesystem>
+
+TEST(StreamConvert, FileStreamWork) {
+  using namespace cru;
+  using namespace cru::io;
+  using namespace cru::platform::win;
+
+  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::Read | OpenFileFlags::Write | OpenFileFlags::Create);
+  file.Write("abc", 3);
+
+  IStream* com_stream = ConvertStreamToComStream(&file);
+  LARGE_INTEGER position;
+  position.QuadPart = 0;
+  ThrowIfFailed(com_stream->Seek(position, SEEK_SET, nullptr));
+  auto buffer = std::make_unique<char[]>(3);
+  ThrowIfFailed(com_stream->Read(buffer.get(), 3, nullptr));
+  ASSERT_EQ(std::string_view(buffer.get(), 3), "abc");
+  com_stream->Release();
+  file.Close();
+
+  std::filesystem::remove(temp_file_path);
+}