test_bug572649.html (1559B)
1 <!DOCTYPE HTML> 2 <html> 3 <!-- 4 https://bugzilla.mozilla.org/show_bug.cgi?id=572649 5 --> 6 <head> 7 <title>Test for Bug 572649</title> 8 <script src="/tests/SimpleTest/SimpleTest.js"></script> 9 <script src="/tests/SimpleTest/EventUtils.js"></script> 10 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> 11 </head> 12 <body> 13 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=572649">Mozilla Bug 572649</a> 14 <p id="display"> 15 <textarea id="area" rows="5"> 16 Here 17 is 18 some 19 very 20 long 21 text 22 that 23 we're 24 using 25 for 26 testing 27 purposes 28 </textarea> 29 </p> 30 <div id="content" style="display: none"> 31 32 </div> 33 <pre id="test"> 34 <script type="application/javascript"> 35 36 /** Test for Bug 572649 */ 37 SimpleTest.waitForExplicitFinish(); 38 39 // We intermittently trigger two "Wrong parent ComputedStyle" assertions 40 // on B2G emulator builds (bug XXXXXXX). The two frames that get incorrect 41 // ComputedStyle parents are scroll bar parts in the <textarea>. 42 SimpleTest.expectAssertions(0, 2); 43 44 addLoadEvent(function() { 45 var area = document.getElementById("area"); 46 47 is(area.scrollTop, 0, "The textarea should not be scrolled initially"); 48 area.addEventListener("focus", function() { 49 setTimeout(function() { 50 is(area.scrollTop, 0, "The textarea's insertion point should not be scrolled into view"); 51 52 SimpleTest.finish(); 53 }, 0); 54 }, {once: true}); 55 setTimeout(function() { 56 var rect = area.getBoundingClientRect(); 57 synthesizeMouse(area, rect.width - 5, 5, {}); 58 }, 0); 59 }); 60 </script> 61 </pre> 62 </body> 63 </html>