This tests that the font-weight, font-style and font-variant properties accept value lists when they appear inside @font-face rules, and that the value 'all' is allowed only by itself. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS test("font-weight", "100") is "100" PASS test("font-weight", "all") is "all" PASS test("font-weight", "100, 200") is "100, 200" PASS test("font-weight", "bold, normal") is "bold, normal" PASS test("font-weight", "100, 200, 300, 400, 500, 600, 700, 100") is "100, 200, 300, 400, 500, 600, 700, 100" PASS test("font-weight", "all, 100") threw exception TypeError: 'null' is not an object (evaluating 'style.sheet.rules[0].style.getPropertyCSSValue(property).cssText'). PASS test("font-weight", "bold, normal, all") threw exception TypeError: 'null' is not an object (evaluating 'style.sheet.rules[0].style.getPropertyCSSValue(property).cssText'). PASS test("font-weight", "") threw exception TypeError: 'null' is not an object (evaluating 'style.sheet.rules[0].style.getPropertyCSSValue(property).cssText'). PASS test("font-style", "normal") is "normal" PASS test("font-style", "italic") is "italic" PASS test("font-style", "normal, oblique") is "normal, oblique" PASS test("font-style", "all") is "all" PASS test("font-style", "all, normal") threw exception TypeError: 'null' is not an object (evaluating 'style.sheet.rules[0].style.getPropertyCSSValue(property).cssText'). PASS test("font-style", "italic, all") threw exception TypeError: 'null' is not an object (evaluating 'style.sheet.rules[0].style.getPropertyCSSValue(property).cssText'). PASS test("font-style", "") threw exception TypeError: 'null' is not an object (evaluating 'style.sheet.rules[0].style.getPropertyCSSValue(property).cssText'). PASS test("font-variant", "normal") is "normal" PASS test("font-variant", "small-caps") is "small-caps" PASS test("font-variant", "normal, small-caps") is "normal, small-caps" PASS test("font-variant", "all") is "all" PASS test("font-variant", "all, normal") threw exception TypeError: 'null' is not an object (evaluating 'style.sheet.rules[0].style.getPropertyCSSValue(property).cssText'). PASS test("font-variant", "small-caps, all") threw exception TypeError: 'null' is not an object (evaluating 'style.sheet.rules[0].style.getPropertyCSSValue(property).cssText'). PASS test("font-variant", "") threw exception TypeError: 'null' is not an object (evaluating 'style.sheet.rules[0].style.getPropertyCSSValue(property).cssText'). PASS successfullyParsed is true TEST COMPLETE