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| 1 <!DOCTYPE html> | |
| 2 <html> | |
| 3 <head> | |
| 4 <style> | |
| 5 body { | |
| 6 margin: 0; | |
| 7 } | |
| 8 | |
| 9 dialog { | |
| 10 padding : 0; | |
| 11 } | |
| 12 | |
| 13 #console { | |
| 14 position: fixed; | |
| 15 } | |
| 16 </style> | |
| 17 <script src="../../../resources/js-test.js"></script> | |
| 18 </head> | |
| 19 <body style="height: 10000px; width: 10000px"> | |
| 20 <div style="position: absolute; top: 5000px; left: 5000px; width: 20px;"> | |
| 21 <dialog id="dialog" style="top: 1200px; left: 1200px; right: auto; height: 1
00px; width: 50%; background-color: yellow"> | |
| 22 </dialog> | |
| 23 </div> | |
| 24 <script> | |
| 25 debug("This tests that a modal dialog's containing block is the initial containi
ng block."); | |
| 26 debug('The dialog should be onscreen with a width of 50% of the viewport. It is
the child of a ' + | |
| 27 'narrow element positioned off screen, but its containing block is the ini
tial containing ' + | |
| 28 'block, so its position and percent lengths are relative to that.'); | |
| 29 | |
| 30 function checkPosition(dialog) { | |
| 31 shouldBe('dialog.offsetParent', 'null'); | |
| 32 shouldBe('dialog.offsetTop', '1200'); | |
| 33 shouldBe('dialog.offsetLeft', '1200'); | |
| 34 // Since dialog's 'width' is '50%', the expected width is half of the | |
| 35 // viewport width, but viewport width may be odd. It seems Blink rounds up f
or | |
| 36 // percentage lengths, so use Math.ceil here. | |
| 37 expectedWidth = Math.ceil(document.documentElement.clientWidth / 2); | |
| 38 shouldBe('dialog.clientWidth', 'expectedWidth'); | |
| 39 } | |
| 40 | |
| 41 window.scroll(1000, 1000); | |
| 42 dialog = document.getElementById('dialog'); | |
| 43 dialog.showModal(); | |
| 44 checkPosition(dialog); | |
| 45 dialog.close(); | |
| 46 </script> | |
| 47 </body> | |
| 48 </html> | |
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