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comparison: dom/events/test/test_bug635465.html
dom/events/test/test_bug635465.html
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| 1 <!DOCTYPE HTML> | |
| 2 <html> | |
| 3 <!-- | |
| 4 https://bugzilla.mozilla.org/show_bug.cgi?id=635465 | |
| 5 --> | |
| 6 <head> | |
| 7 <meta charset="utf-8"> | |
| 8 <title>Test for Bug 635465</title> | |
| 9 <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> | |
| 10 <script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script> | |
| 11 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> | |
| 12 <style type="text/css"> | |
| 13 #item { | |
| 14 position: relative; | |
| 15 } | |
| 16 .s-menu-section-submenu { | |
| 17 position: absolute; | |
| 18 display: none; | |
| 19 } | |
| 20 .open .s-menu-section-submenu { | |
| 21 display: block; | |
| 22 } | |
| 23 </style> | |
| 24 </head> | |
| 25 <body> | |
| 26 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=635465">Mozilla Bug 635465</a> | |
| 27 <div id="display"> | |
| 28 <div class="item" id="item" | |
| 29 onmouseover="showSubmenu(event)" onmouseout="hideSubmenu(event)"> | |
| 30 <a href="#" id="firsthover">Hover me</a> | |
| 31 <div class="s-menu-section-submenu" id="menu"> | |
| 32 <a href="#" id="secondhover">Now hover me</a> | |
| 33 </div> | |
| 34 </div> | |
| 35 </div> | |
| 36 <div id="content" style="display: none"> | |
| 37 | |
| 38 </div> | |
| 39 <pre id="test"> | |
| 40 <script type="application/javascript;version=1.8"> | |
| 41 | |
| 42 /** Test for Bug 635465 **/ | |
| 43 function showSubmenu(event) { | |
| 44 var item = document.getElementById('item'); | |
| 45 | |
| 46 var width = item.offsetWidth; // IT WORKS IF YOU REMOVE THIS LINE | |
| 47 | |
| 48 item.className='open'; | |
| 49 } | |
| 50 | |
| 51 function hideSubmenu(event) { | |
| 52 document.getElementById('item').className=''; | |
| 53 } | |
| 54 | |
| 55 SimpleTest.waitForExplicitFinish(); | |
| 56 | |
| 57 function executeTests() { | |
| 58 // First flush out layout of firsthover | |
| 59 ok($("firsthover").getBoundingClientRect().height > 0, true, | |
| 60 "Should have a nonzero height before hover"); | |
| 61 | |
| 62 // Now trigger a mouseover on firsthover | |
| 63 synthesizeMouseAtCenter($("firsthover"), { type: "mousemove" }); | |
| 64 | |
| 65 ok($("secondhover").getBoundingClientRect().height > 0, true, | |
| 66 "Should have a nonzero height for submenu after hover"); | |
| 67 | |
| 68 // Now determine where secondhover is hanging out | |
| 69 var rect = $("secondhover").getBoundingClientRect(); | |
| 70 synthesizeMouseAtCenter($("secondhover"), { type: "mousemove" }); | |
| 71 | |
| 72 // And another mouseover one pixel to the right of where the center used to be | |
| 73 synthesizeMouseAtPoint(rect.left + rect.width/2 + 1, | |
| 74 rect.top + rect.height/2, | |
| 75 { type: "mousemove" }); | |
| 76 | |
| 77 ok($("secondhover").getBoundingClientRect().height > 0, true, | |
| 78 "Should have a nonzero height for submenu after second hover"); | |
| 79 | |
| 80 // And check computed display of the menu | |
| 81 is(getComputedStyle($("menu"), "").display, "block", "Should have block display"); | |
| 82 | |
| 83 SimpleTest.finish(); | |
| 84 } | |
| 85 | |
| 86 SimpleTest.waitForFocus(executeTests); | |
| 87 </script> | |
| 88 </pre> | |
| 89 </body> | |
| 90 </html> |
