third_party/WebKit/LayoutTests/fast/forms/select-set-length-with-mutation-reorder.html - Issue 1509853008: Move select/option/optgroup-related tests in fast/forms to fast/forms/select.

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Side by Side Diff: third_party/WebKit/LayoutTests/fast/forms/select-set-length-with-mutation-reorder.html

Issue 1509853008: Move select/option/optgroup-related tests in fast/forms to fast/forms/select. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 5 years ago

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1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">

2 <html>

3 <head>

4 <script src="../../resources/js-test.js"></script>

5 </head>

6 <body>

7 <p id="description"></p>

8 <div id="console"></div>

9 <script>

10 description('Tests that setting the .length on an HTMLSelectElement works in the presence of DOM mutation listeners that reorder option elements');

11

12 var wrapper = document.createElement('div');

13 document.body.appendChild(wrapper);

14 wrapper.innerHTML = '<select id="theSelect">' +

15 '<option id="a">a</option>' +

16 '<option id="b">b</option>' +

17 '<option id="c">c</option>' +

18 '<option id="d">d</option>' +

19 '</select>';

20

21 var sel = document.getElementById('theSelect');

22

23 var firstRemove = true;

24 function onRemove(e) {

25 if (firstRemove) {

26 // remove listener temporarily to avoid lots of nesting

27 sel.removeEventListener('DOMNodeRemoved', onRemove, false);

28 var lastOption = document.getElementById('d');

29 sel.removeChild(lastOption);

30 sel.insertBefore(lastOption, document.getElementById('c'));

31 firstRemove = false;

32 sel.addEventListener('DOMNodeRemoved', onRemove, false);

33 }

34 }

35

36 sel.addEventListener('DOMNodeRemoved', onRemove, false);

37 sel.addEventListener('DOMNodeInserted', function() {}, false);

38

39 shouldBe('sel.length', '4');

40 sel.length = 2;

41 shouldBe('sel.length', '2');

42 shouldBe('sel.options.item(0).id', '"a"');

43 shouldBe('sel.options.item(1).id', '"b"');

44 </script>

45 </body>

46 </html>

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