2 files changed, 39 insertions, 0 deletions
diff --git a/test/common/CMakeLists.txt b/test/common/CMakeLists.txt
index 61222a68..683c8295 100644
--- a/test/common/CMakeLists.txt
+++ b/test/common/CMakeLists.txt
@@ -25,6 +25,7 @@ target_compile_definitions(CruBaseTest PRIVATE
 
 if (UNIX AND NOT EMSCRIPTEN)
 	target_sources(CruBaseTest PRIVATE
+		platform/unix/UnixFileTest.cpp
 		platform/unix/UnixFileStreamTest.cpp
 	)
 endif()
diff --git a/test/common/platform/unix/UnixFileTest.cpp b/test/common/platform/unix/UnixFileTest.cpp
new file mode 100644
index 00000000..d5bba0db
--- /dev/null
+++ b/test/common/platform/unix/UnixFileTest.cpp
@@ -0,0 +1,38 @@
+
+#include "cru/base/platform/unix/UnixFileStream.h"
+
+#include <catch2/catch_test_macros.hpp>
+
+#include <fcntl.h>
+#include <filesystem>
+
+TEST_CASE("UnixFile Work", "[unix]") {
+  using namespace cru;
+  using namespace cru::platform::unix;
+
+  auto calledTimes = 0;
+  auto mockClose = [&calledTimes](int _) {
+    calledTimes += 1;
+    return 0;
+  };
+
+  auto temp_file_path =
+      (std::filesystem::temp_directory_path() / "cru_test_temp.XXXXXX")
+          .generic_string();
+  mkstemp(temp_file_path.data());
+
+  auto fdNumber = ::open(temp_file_path.c_str(), O_WRONLY | O_CREAT);
+
+  {
+    UnixFileDescriptor fd(fdNumber, true, std::move(mockClose));
+    REQUIRE(calledTimes == 0);
+    UnixFileDescriptor fd2(std::move(fd));
+    REQUIRE(calledTimes == 0);
+    UnixFileDescriptor fd3;
+    fd3 = std::move(fd2);
+    REQUIRE(calledTimes == 0);
+  }
+  REQUIRE(calledTimes == 1);
+
+  std::filesystem::remove(temp_file_path);
+}