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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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dom/html/test/forms/test_select_selectedOptions.html Normal file
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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=596681
-->
<head>
<title>Test for HTMLSelectElement.selectedOptions</title>
<script type="application/javascript" src="/MochiKit/packed.js"></script>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=596681">Mozilla Bug 596681</a>
<p id="display"></p>
<pre id="test">
<script type="application/javascript;version=1.7">
/** Test for HTMLSelectElement's selectedOptions attribute.
*
* selectedOptions is a live list of the options that have selectedness of true
* (not the selected content attribute).
*
* See http://www.whatwg.org/html/#dom-select-selectedoptions
**/
function checkSelectedOptions(size, elements)
{
is(selectedOptions.length, size,
"select should have " + size + " selected options");
for (let i = 0; i < size; ++i) {
ok(selectedOptions[i], "selected option is valid");
if (selectedOptions[i]) {
is(selectedOptions[i].value, elements[i].value, "selected options are correct");
}
}
}
let select = document.createElement("select");
document.body.appendChild(select);
let selectedOptions = select.selectedOptions;
ok("selectedOptions" in select,
"select element should have a selectedOptions IDL attribute");
ok(select.selectedOptions instanceof HTMLCollection,
"selectedOptions should be an HTMLCollection instance");
let option1 = document.createElement("option");
let option2 = document.createElement("option");
let option3 = document.createElement("option");
option1.id = "option1";
option1.value = "option1";
option2.value = "option2";
option3.value = "option3";
checkSelectedOptions(0, null);
select.add(option1, null);
is(selectedOptions.namedItem("option1").value, "option1", "named getter works");
checkSelectedOptions(1, [option1]);
select.add(option2, null);
checkSelectedOptions(1, [option1]);
select.options[1].selected = true;
checkSelectedOptions(1, [option2]);
select.multiple = true;
checkSelectedOptions(1, [option2]);
select.options[0].selected = true;
checkSelectedOptions(2, [option1, option2]);
option1.selected = false;
// Usinig selected directly on the option should work.
checkSelectedOptions(1, [option2]);
select.remove(1);
select.add(option2, 0);
select.options[0].selected = true;
select.options[1].selected = true;
// Should be in tree order.
checkSelectedOptions(2, [option2, option1]);
select.add(option3, null);
checkSelectedOptions(2, [option2, option1]);
select.options[2].selected = true;
checkSelectedOptions(3, [option2, option1, option3]);
select.length = 0;
option1.selected = false;
option2.selected = false;
option3.selected = false;
var optgroup1 = document.createElement("optgroup");
optgroup1.appendChild(option1);
optgroup1.appendChild(option2);
select.add(optgroup1)
var optgroup2 = document.createElement("optgroup");
optgroup2.appendChild(option3);
select.add(optgroup2);
checkSelectedOptions(0, null);
option2.selected = true;
checkSelectedOptions(1, [option2]);
option3.selected = true;
checkSelectedOptions(2, [option2, option3]);
optgroup1.removeChild(option2);
checkSelectedOptions(1, [option3]);
document.body.removeChild(select);
option1.selected = true;
checkSelectedOptions(2, [option1, option3]);
</script>
</pre>
</body>
</html>