Add unittest

Add unittest

[   13s] + ./freetype
[   13s]
[   13s] running 28 tests
[   13s] test freetype::bindgen_test_layout_FT_Bitmap_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_BBox_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_Bitmap_Size_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_CharMapRec_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_Data_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_GlyphSlotRec_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_FaceRec_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_Glyph_Metrics_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_Generic_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_ListNodeRec_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_Open_Args_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_MemoryRec_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_Outline_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_Matrix_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_ListRec_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_Module_Class_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_Outline_Funcs_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_Parameter_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_Raster_Funcs_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_Raster_Params_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_SizeRec_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_Size_RequestRec_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_Size_Metrics_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_Span_ ... ok
[   13s] test freetype::bindgen_test_layout_FT_StreamDesc_ ... ok
[   13s] test freetype::bindgen_test_layout_FT_StreamRec_ ... FAILED
[   13s] test freetype::bindgen_test_layout_FT_UnitVector_ ... ok
[   13s] test freetype::bindgen_test_layout_FT_Vector_ ... FAILED
[   13s]
[   13s] failures:
[   13s]     freetype::bindgen_test_layout_FT_BBox_
[   13s]     freetype::bindgen_test_layout_FT_Bitmap_
[   13s]     freetype::bindgen_test_layout_FT_Bitmap_Size_
[   13s]     freetype::bindgen_test_layout_FT_CharMapRec_
[   13s]     freetype::bindgen_test_layout_FT_Data_
[   13s]     freetype::bindgen_test_layout_FT_FaceRec_
[   13s]     freetype::bindgen_test_layout_FT_Generic_
[   13s]     freetype::bindgen_test_layout_FT_GlyphSlotRec_
[   13s]     freetype::bindgen_test_layout_FT_Glyph_Metrics_
[   13s]     freetype::bindgen_test_layout_FT_ListNodeRec_
[   13s]     freetype::bindgen_test_layout_FT_ListRec_
[   13s]     freetype::bindgen_test_layout_FT_Matrix_
[   13s]     freetype::bindgen_test_layout_FT_MemoryRec_
[   13s]     freetype::bindgen_test_layout_FT_Module_Class_
[   13s]     freetype::bindgen_test_layout_FT_Open_Args_
[   13s]     freetype::bindgen_test_layout_FT_Outline_
[   13s]     freetype::bindgen_test_layout_FT_Outline_Funcs_
[   13s]     freetype::bindgen_test_layout_FT_Parameter_
[   13s]     freetype::bindgen_test_layout_FT_Raster_Funcs_
[   13s]     freetype::bindgen_test_layout_FT_Raster_Params_
[   13s]     freetype::bindgen_test_layout_FT_SizeRec_
[   13s]     freetype::bindgen_test_layout_FT_Size_Metrics_
[   13s]     freetype::bindgen_test_layout_FT_Size_RequestRec_
[   13s]     freetype::bindgen_test_layout_FT_StreamRec_
[   13s]     freetype::bindgen_test_layout_FT_Vector_
[   13s]
[   13s] test result: FAILED. 3 passed; 25 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s