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Implement ask_for_reset for HTMLSelectElement.

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Fixes #7774
This commit is contained in:
Dongie Agnir 2015-10-06 17:38:39 -10:00
parent ac8097b5d2
commit b1d6b0f797
4 changed files with 135 additions and 2 deletions
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73
tests/wpt/web-platform-tests/html/semantics/forms/the-select-element/select-ask-for-reset.html Normal file
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<!doctype html>
<meta charset=utf-8>
<title>HTMLSelectElement ask for reset</title>
<link rel="author" title="Dongie Agnir" href="dongie.agnir@gmail.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id=log></div>
<script>
test(function() {
var select = makeSelect(5);
select.children[4].selected = true;
unselectedExcept(select, 4);
select.children[4].remove();
unselectedExcept(select, 0); // remove selected node, should default to first
select.children[3].selected = true;
select.children[0].remove();
unselectedExcept(select, 2); // last node still selected
}, "ask for reset on node remove, non multiple.");
test(function() {
var select = makeSelect(3);
select.children[1].selected = true;
var opt4 = document.createElement("option");
opt4.selected = true;
select.appendChild(opt4); // 2 options selected
unselectedExcept(select, 3); // last should remain selected
var opt5 = document.createElement("option");
select.appendChild(opt5);
unselectedExcept(select, 3); // no change in selected element
}, "ask for reset on node insert, non multiple.");
test(function() {
var select = makeSelect(3);
select.children[2].selected = true;
select.children[2].selected = false; // none selected
unselectedExcept(select, 0);
// disable first so option at index 1 is first eligible
select.children[0].disabled = true;
select.children[2].selected = true;
select.children[2].selected = false; // none selected
unselectedExcept(select, 1);
}, "change selectedness of option, non multiple.");
function unselectedExcept(sel, opt) {
for (var i = 0; i < sel.children.length; ++i) {
if (i != opt) {
assert_false(sel.children[i].selected, "option should not be selected.");
}
if (opt != null) {
assert_true(sel.children[opt].selected, "option should be selected.");
}
}
}
function makeSelect(n) {
var sel = document.createElement("select");
for (var i = 0; i < n; ++i) {
opt = document.createElement("option");
sel.appendChild(opt);
}
return sel;
}
</script>