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| 1 <!DOCTYPE html> | |
| 2 <link href="resources/dialog-layout.css" rel="stylesheet"> | |
| 3 <style> | |
| 4 dialog { | |
| 5 position: fixed; | |
| 6 } | |
| 7 </style> | |
| 8 <script src="../../../resources/js-test.js"></script> | |
| 9 <dialog id="dialog">It is my dialog.</dialog> | |
| 10 <div id="absolute-div"> | |
| 11 <div id="relative-div"></div> | |
| 12 </div> | |
| 13 <script> | |
| 14 description('Tests layout of fixed positioned dialogs.'); | |
| 15 | |
| 16 function checkCentered(dialog) { | |
| 17 centeredTop = (window.innerHeight - dialog.offsetHeight) / 2; | |
| 18 shouldBe('dialog.getBoundingClientRect().top', 'centeredTop'); | |
| 19 } | |
| 20 | |
| 21 function reset() { | |
| 22 if (dialog.open) | |
| 23 dialog.close(); | |
| 24 dialog.remove(); | |
| 25 document.body.appendChild(dialog); | |
| 26 window.scroll(0, 500); | |
| 27 } | |
| 28 | |
| 29 dialog = document.querySelector('#dialog'); | |
| 30 absoluteContainer = document.querySelector('#absolute-div'); | |
| 31 relativeContainer = document.querySelector('#relative-div'); | |
| 32 reset(); | |
| 33 | |
| 34 (function() { | |
| 35 debug('<br>showModal() should center in the viewport.'); | |
| 36 | |
| 37 dialog.showModal(); | |
| 38 checkCentered(dialog); | |
| 39 reset(); | |
| 40 }()); | |
| 41 | |
| 42 (function() { | |
| 43 debug('<br>The dialog is a positioned element, so the top and bottom should
not have style auto.'); | |
| 44 | |
| 45 dialog.style.height = '20px'; | |
| 46 dialog.showModal(); | |
| 47 shouldBeEqualToString('window.getComputedStyle(dialog).top', '290px'); | |
| 48 shouldBeEqualToString('window.getComputedStyle(dialog).bottom', '290px'); | |
| 49 | |
| 50 dialog.style.height = 'auto'; | |
| 51 reset(); | |
| 52 }()); | |
| 53 | |
| 54 (function() { | |
| 55 debug('<br>The dialog shold stay centered on scroll.'), | |
| 56 | |
| 57 dialog.showModal(); | |
| 58 window.scroll(0, 2 * window.scrollY); | |
| 59 checkCentered(dialog); | |
| 60 reset(); | |
| 61 }()); | |
| 62 | |
| 63 (function() { | |
| 64 debug('<br>A tall dialog should be positioned at the top of the viewport.'); | |
| 65 | |
| 66 dialog.style.height = '20000px'; | |
| 67 dialog.showModal(); | |
| 68 shouldBe('dialog.getBoundingClientRect().top', '0'); | |
| 69 | |
| 70 dialog.style.height = 'auto'; | |
| 71 reset(); | |
| 72 }()); | |
| 73 | |
| 74 (function() { | |
| 75 debug('<br>The dialog should be centered regardless of the presence of a hor
izontal scrollbar.'); | |
| 76 | |
| 77 document.body.style.width = '4000px'; | |
| 78 dialog.showModal(); | |
| 79 checkCentered(dialog); | |
| 80 | |
| 81 document.body.style.width = 'auto'; | |
| 82 reset(); | |
| 83 }()); | |
| 84 | |
| 85 (function() { | |
| 86 debug('<br>Centering should work when dialog is inside positioned containers
.'); | |
| 87 | |
| 88 dialog.remove(); | |
| 89 absoluteContainer.appendChild(dialog); | |
| 90 dialog.showModal(); | |
| 91 checkCentered(dialog); | |
| 92 dialog.close(); | |
| 93 | |
| 94 dialog.remove(); | |
| 95 relativeContainer.appendChild(dialog); | |
| 96 dialog.showModal(); | |
| 97 checkCentered(dialog); | |
| 98 | |
| 99 reset(); | |
| 100 }()); | |
| 101 | |
| 102 (function() { | |
| 103 debug('<br>A centered dialog\'s position should survive becoming display:non
e temporarily.'); | |
| 104 | |
| 105 dialog.showModal(); | |
| 106 expectedTop = dialog.getBoundingClientRect().top; | |
| 107 relativeContainer.style.display = 'none'; | |
| 108 relativeContainer.style.display = 'block'; | |
| 109 shouldBe('dialog.getBoundingClientRect().top', 'expectedTop'); | |
| 110 | |
| 111 reset(); | |
| 112 }()); | |
| 113 | |
| 114 (function() { | |
| 115 debug('<br>Dialog should lose centering when removed from the document.'); | |
| 116 | |
| 117 dialog.showModal(); | |
| 118 dialog.remove(); | |
| 119 relativeContainer.appendChild(dialog); | |
| 120 shouldBe('dialog.getBoundingClientRect().top', '0'); | |
| 121 | |
| 122 reset(); | |
| 123 }()); | |
| 124 | |
| 125 (function() { | |
| 126 debug('<br>Dialog\'s specified position should survive after close() and sho
wModal().'); | |
| 127 | |
| 128 dialog.showModal(); | |
| 129 dialog.style.top = '0px'; | |
| 130 expectedTop = dialog.getBoundingClientRect().top; | |
| 131 dialog.close(); | |
| 132 dialog.showModal(); | |
| 133 shouldBe('dialog.getBoundingClientRect().top', 'expectedTop'); | |
| 134 | |
| 135 dialog.style.top = 'auto'; | |
| 136 reset(); | |
| 137 }()); | |
| 138 | |
| 139 (function() { | |
| 140 debug('<br>Dialog should not be centered if showModal() was called when an a
ncestor had display \'none\'.'); | |
| 141 | |
| 142 dialog.remove(); | |
| 143 absoluteContainer.appendChild(dialog); | |
| 144 absoluteContainer.style.display = 'none'; | |
| 145 dialog.showModal(); | |
| 146 absoluteContainer.style.display = 'block'; | |
| 147 shouldBe('dialog.getBoundingClientRect().top', '0'); | |
| 148 | |
| 149 reset(); | |
| 150 }()); | |
| 151 | |
| 152 (function() { | |
| 153 debug('<br>A dialog with specified \'top\' should be positioned as usual'); | |
| 154 offset = 50; | |
| 155 dialog.style.top = offset + 'px'; | |
| 156 dialog.showModal(); | |
| 157 shouldBe('dialog.getBoundingClientRect().top', 'offset'); | |
| 158 | |
| 159 reset(); | |
| 160 }()); | |
| 161 </script> | |
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Chromium Code Reviews
Issue 2671603003:
Move DIALOG element tests to html/dialog/. (Closed)
