Test that pictures properly update when the viewport changes size. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS successfullyParsed is true TEST COMPLETE PASS innerWidth is 800 PASS innerHeight is 600 PASS document.getElementById("simple").clientWidth is 800 PASS currentSrcFileName("simple") is "image-set-2x.png?2" PASS document.getElementById("multiple").clientWidth is 800 PASS currentSrcFileName("multiple") is "image-set-2x.png?2" PASS document.getElementById("other_children").clientWidth is 800 PASS currentSrcFileName("other_children") is "image-set-2x.png?2" PASS document.getElementById("img_before_source").clientWidth is 75 PASS currentSrcFileName("img_before_source") is "blue_rect.jpg?1" PASS document.getElementById("unknown_type").clientWidth is 1600 PASS currentSrcFileName("unknown_type") is "image-set-4x.png?3" PASS document.getElementById("svg_type").clientWidth is 800 PASS currentSrcFileName("svg_type") is "image-set-2x.png?2" PASS document.getElementById("empty_type").clientWidth is 800 PASS currentSrcFileName("empty_type") is "image-set-2x.png?2" PASS document.getElementById("whitespace_type").clientWidth is 800 PASS currentSrcFileName("whitespace_type") is "image-set-2x.png?2" PASS document.getElementById("parameter_type").clientWidth is 800 PASS currentSrcFileName("parameter_type") is "image-set-2x.png?2" PASS document.getElementById("empty_srcset").clientWidth is 1600 PASS currentSrcFileName("empty_srcset") is "image-set-4x.png?3" PASS document.getElementById("no_srcset").clientWidth is 1600 PASS currentSrcFileName("no_srcset") is "image-set-4x.png?3" PASS innerWidth is 1200 PASS innerHeight is 600 PASS document.getElementById("simple").clientWidth is 1600 PASS currentSrcFileName("simple") is "image-set-4x.png?3" PASS document.getElementById("multiple").clientWidth is 1600 PASS currentSrcFileName("multiple") is "image-set-4x.png?3" PASS document.getElementById("other_children").clientWidth is 1600 PASS currentSrcFileName("other_children") is "image-set-4x.png?3" PASS document.getElementById("img_before_source").clientWidth is 75 PASS currentSrcFileName("img_before_source") is "blue_rect.jpg?1" PASS document.getElementById("unknown_type").clientWidth is 1600 PASS currentSrcFileName("unknown_type") is "image-set-4x.png?3" PASS document.getElementById("svg_type").clientWidth is 1600 PASS currentSrcFileName("svg_type") is "image-set-4x.png?3" PASS document.getElementById("empty_type").clientWidth is 1600 PASS currentSrcFileName("empty_type") is "image-set-4x.png?3" PASS document.getElementById("whitespace_type").clientWidth is 1600 PASS currentSrcFileName("whitespace_type") is "image-set-4x.png?3" PASS document.getElementById("parameter_type").clientWidth is 1600 PASS currentSrcFileName("parameter_type") is "image-set-4x.png?3" PASS document.getElementById("empty_srcset").clientWidth is 1600 PASS currentSrcFileName("empty_srcset") is "image-set-4x.png?3" PASS document.getElementById("no_srcset").clientWidth is 1600 PASS currentSrcFileName("no_srcset") is "image-set-4x.png?3" some text