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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="timeout" content="long">
<title>select options.length too large</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<select id="test">
<option value="1"></option>
<option value="2"></option>
<option value="3"></option>
</select>
<script>
var mySelect = document.getElementById("test");
test(function() {
mySelect.options.length = -1;
assert_equals(mySelect.options.length, 3, "Length of <select> should remain unchanged");
});
test(function() {
mySelect.options.length = 100001;
assert_equals(mySelect.options.length, 3, "Length of <select> should remain unchanged");
});
test(function() {
mySelect.options.length = Number.MAX_SAFE_INTEGER;
assert_equals(mySelect.options.length, 3, "Length of <select> should remain unchanged");
});
test(function() {
mySelect.options.length = 100000;
assert_equals(mySelect.options.length, 100000, "Length of <select> should be 100,000");
});
test(function() {
mySelect.appendChild(new Option());
mySelect.appendChild(new Option());
assert_equals(mySelect.options.length, 100002, "Manual expansion still works");
mySelect.options.length = 100001;
assert_equals(mySelect.options.length, 100001, "Truncation works if over the limit");
});
</script>
</body>
</html>
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