1 Test ex unit with Ahem font
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
6 PASS parseFloat(computedStyleDiv("word-spacing", "1ex")) is within 0.05 of 12.8
7 PASS parseFloat(computedStyleRect("word-spacing", "1ex")) is within 0.05 of 12.8
8 PASS successfullyParsed is true