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1 files changed, 32 insertions, 0 deletions

diff --git a/test/common/io/UnixFileStreamTest.cpp b/test/common/io/UnixFileStreamTest.cpp
new file mode 100644
index 00000000..1b73dd3b
--- /dev/null
+++ b/test/common/io/UnixFileStreamTest.cpp
@@ -0,0 +1,32 @@
+#include "cru/common/io/OpenFileFlag.hpp"
+#include "cru/common/io/UnixFileStream.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")
+          .generic_string();
+  mktemp(temp_file_path.data());
+
+  String path = String::FromUtf8(temp_file_path);
+
+  UnixFileStream file(path, OpenFileFlags::Write | OpenFileFlags::Create);
+  file.Write("abc", 3);
+  file.Close();
+
+  UnixFileStream 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);
+}