gecko-dev/dom/base/test/test_bug737565.html

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<!doctype html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=737565
-->
<title>Test for Bug 737565</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=737565">Mozilla Bug 737565</a>
<script>
/** Test for Bug 737565 **/
var offsets = [-1, 0, 1, 2, 3, 65536, 1 << 31];
// This is supposed to be an unsigned long, so adding or subtracting 1 << 32
// should have no effect
var offsetOffsets = [0, -Math.pow(2, 32), Math.pow(2, 32)];
for (var i = 0; i < offsets.length; i++) {
for (var j = 0; j < offsetOffsets.length; j++) {
var offset = offsets[i] + offsetOffsets[j];
// Doctype always needs to throw
var threw = false;
try {
var range = document.createRange();
range.comparePoint(document.doctype, offset);
} catch(e) {
threw = true;
is(e.name, "InvalidNodeTypeError",
"comparePoint(document.doctype, " + offset
+ ") must throw InvalidNodeTypeError");
is(Object.getPrototypeOf(e), DOMException.prototype,
"comparePoint(document.doctype, " + offset
+ ") must throw DOMException");
is(e.code, DOMException.INVALID_NODE_TYPE_ERR,
"comparePoint(document.doctype, " + offset
+ ") must throw INVALID_NODE_TYPE_ERR");
}
ok(threw, "comparePoint(document.doctype, " + offset + ") must throw");
threw = false;
// document.documentElement has two children, head and body
var expectedThrew = offsets[i] < 0 || offsets[i] > 2;
try {
var range = document.createRange();
range.comparePoint(document.documentElement, offset);
} catch(e) {
threw = true;
is(e.name, "IndexSizeError",
"comparePoint(document.documentElement, " + offset
+ ") must throw IndexSizeError");
is(Object.getPrototypeOf(e), DOMException.prototype,
"comparePoint(document.documentElement, " + offset
+ ") must throw DOMException");
is(e.code, DOMException.INDEX_SIZE_ERR,
"comparePoint(document.documentElement, " + offset
+ ") must throw INDEX_SIZE_ERR");
}
is(threw, expectedThrew,
"comparePoint(document.documentElement, " + offset
+ ") must " + (expectedThrew ? "" : "not ") + "throw");
}
}
</script>