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1 <body> | |
2 <script src="../resources/magnitude-perf.js"></script> | |
3 <script> | |
4 document.designMode = 'on'; | |
5 | |
6 function placeSelectionAfterFirstBr() | |
7 { | |
8 var children = document.body.childNodes; | |
9 for (var i = 0, len = children.length; i < len; i++) { | |
10 if (children[i].localName == 'br') { | |
11 window.getSelection().setBaseAndExtent(document.body, i, document.bo
dy, i); | |
12 return; | |
13 } | |
14 } | |
15 } | |
16 | |
17 function setupFunction(magnitude) | |
18 { | |
19 window.getSelection().collapse(); // else setting slow: crbug.com/139552 | |
20 document.body.innerHTML = new Array(magnitude + 1).join('a<br>'); | |
21 placeSelectionAfterFirstBr(); | |
22 } | |
23 | |
24 function test(magnitude) | |
25 { | |
26 if (window.eventSender) | |
27 eventSender.keyDown('z'); | |
28 } | |
29 | |
30 Magnitude.description("Tests that typing at the end of a line in innerHTML where
the line-breaks are all BRs is linear in the number of lines."); | |
31 Magnitude.numTrials = 5; // a bit noisy | |
32 Magnitude.successThreshold = 0.40; // 2 out of 5 | |
33 Magnitude.initialExponent = 10; | |
34 Magnitude.numPoints = 4; | |
35 Magnitude.tolerance = 0.30; | |
36 Magnitude.trim = 1; | |
37 Magnitude.run(setupFunction, test, Magnitude.LINEAR); | |
38 </script> | |
39 </body> | |
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