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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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39
dom/html/test/test_bug797113.html Normal file
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<!doctype html>
<meta charset=utf-8>
<title>Test for bug 780993</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<div id=log></div>
<script>
test(function() {
var select = document.createElement("select");
var option = document.createElement("option");
select.appendChild(option);
assert_equals(select.options[0], option);
select.options[0] = null;
assert_equals(option.parentNode, null);
assert_equals(select.options[0], undefined);
}, "Should be able to set select.options[n] to null.");
test(function() {
var select = document.createElement("select");
var option = document.createElement("option");
var option2 = document.createElement("option");
select.appendChild(option);
assert_equals(select.options[0], option);
select.options[0] = option2;
assert_equals(option.parentNode, null);
assert_equals(option2.parentNode, select);
assert_equals(select.options[0], option2);
}, "Should be able to set select.options[n] to an option element");
test(function() {
var select = document.createElement("select");
var option = document.createElement("option");
select.appendChild(option);
assert_equals(select.options[0], option);
assert_throws(null, function() {
select.options[0] = 42;
});
assert_equals(option.parentNode, select);
assert_equals(select.options[0], option);
}, "Should not be able to set select.options[n] to a primitive.");
</script>