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Auto merge of #14085 - frewsxcv:list-of-options, r=asajeffrey

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Implement "list of options" concept on `HTMLSelectElement`.

Fixes #13763.

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bors-servo 2016-12-13 03:31:52 -08:00 • committed by GitHub
commit a15d279e9f
3 changed files with 107 additions and 20 deletions
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56
tests/wpt/web-platform-tests/html/semantics/forms/the-select-element/select-value.html Normal file
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<!doctype html>
<meta charset="utf-8">
<title>HTMLSelectElement.value</title>
<link rel="help" href="https://html.spec.whatwg.org/multipage/forms.html#dom-select-value">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id=log></div>
<select id=sel1>
<option value=0></option>
<option selected value=1></option>
</select>
<select id=sel2>
<optgroup>
<option value=0></option>
</optgroup>
<optgroup></optgroup>
<optgroup>
<option></option>
<option value=1></option>
<option selected value=2></option>
</optgroup>
</select>
<select id=sel3>
<option selected value=1></option>
</select>
<select id=sel4></select>
<script>
test(function() {
var select = document.getElementById('sel1');
assert_equals(select.value, '1');
}, 'options');
test(function() {
var select = document.getElementById('sel2');
assert_equals(select.value, '2');
}, 'optgroups');
test(function() {
var select = document.getElementById('sel3');
var option = select.options[0];
var div = document.createElement('div');
select.appendChild(div);
div.appendChild(option);
assert_equals(select.value, '');
}, 'option is child of div');
test(function() {
var select = document.getElementById('sel4');
assert_equals(select.value, '');
}, 'no options');
</script>