A method for testing the display of bi-directional language script prior to translation in an application under test can include using unidirectional glyphs with shaping indicators to simulate right-to-left characters. The using step can include reversing an ordering of a first set of unidirectional text characters in an input string and mapping the unidirectional text characters to right-to-left code points in a bi-directional language code page to produce a pseudo-translated string. Multiple unidirectional language glyphs can be loaded where each corresponds to a same one of the right-to-left character code points as had been used to produce the pseudo-translation. The pseudo-translation and the glyphs can be combined to simulate right-to-left character rendering in the application under test such the resultant output is visually similar to the input string. Finally, the glyphs can include character shaping indicia such that a resultant output allows for the detection of shaping errors.