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| (Empty) |
1 <!DOCTYPE html> | |
2 <script src="../../../resources/js-test.js"></script> | |
3 <div id="parent" style="width: 200px; height: 200px;"> | |
4 <iframe id="iframe" seamless src="resources/percent-square.html"></iframe> | |
5 </div> | |
6 <script> | |
7 debug("Test that the 'initial containing block height' is 0 for seamless child d
ocuments.") | |
8 window.onload = function () { | |
9 window.iframe = document.getElementById("iframe"); | |
10 | |
11 // Width 100% still works as expected. | |
12 shouldBeEqualToString("window.getComputedStyle(iframe).width", "200px"); | |
13 | |
14 // But height: 100% should be 0, per the spec: | |
15 // In visual media, in a CSS-supporting user agent: the user agent must forc
e the | |
16 // height of the initial containing block of the active document of the nest
ed | |
17 // browsing context of the iframe to zero. | |
18 shouldBeEqualToString("window.getComputedStyle(iframe).height", "0px"); | |
19 } | |
20 </script> | |
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