Add a test

test/data_type/CMakeLists.txt

@@ -14,4 +14,9 @@ if(result EQUAL 0)
   target_link_libraries(test_bf8 PRIVATE utility)
 endif()
 
+add_gtest_executable(test_custom_type test_custom_type.cpp)
+if(result EQUAL 0)
+  target_link_libraries(test_custom_type PRIVATE utility)
+endif()
+
 add_gtest_executable(test_type_convert_const type_convert_const.cpp)

test/data_type/test_custom_type.cpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2024, Advanced Micro Devices, Inc. All rights reserved.
+
+#include "gtest/gtest.h"
+#include "ck/utility/data_type.hpp"
+
+using ck::f8_t;
+using ck::half_t;
+
+struct custom_f8_t
+{
+    uint8_t data;
+};
+
+TEST(Custom_FP8, Test)
+{
+    ASSERT_EQ(sizeof(f8_t), 1);
+    ASSERT_EQ(sizeof(ck::f8x2_t), 2);
+    ASSERT_EQ(sizeof(ck::f8x4_t), 4);
+
+    ASSERT_EQ(sizeof(custom_f8_t), 1);
+    ASSERT_EQ(sizeof(ck::non_native_vector_type<custom_f8_t, 1>), 1);
+    ASSERT_EQ(sizeof(ck::non_native_vector_type<custom_f8_t, 2>), 2);
+    ASSERT_EQ(sizeof(ck::non_native_vector_type<custom_f8_t, 4>), 4);
+}