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88 lines
3.3 KiB
HTML
88 lines
3.3 KiB
HTML
<!doctype html>
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<title>Node.compareDocumentPosition() tests</title>
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<link rel=author title="Aryeh Gregor" href=ayg@aryeh.name>
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<div id=log></div>
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<script src=/resources/testharness.js></script>
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<script src=/resources/testharnessreport.js></script>
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<script src=../common.js></script>
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<script>
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"use strict";
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testNodes.forEach(function(referenceName) {
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var reference = eval(referenceName);
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testNodes.forEach(function(otherName) {
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var other = eval(otherName);
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test(function() {
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var result = reference.compareDocumentPosition(other);
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// "If other and reference are the same object, return zero and
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// terminate these steps."
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if (other === reference) {
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assert_equals(result, 0);
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return;
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}
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// "If other and reference are not in the same tree, return the result of
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// adding DOCUMENT_POSITION_DISCONNECTED,
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// DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC, and either
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// DOCUMENT_POSITION_PRECEDING or DOCUMENT_POSITION_FOLLOWING, with the
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// constraint that this is to be consistent, together and terminate these
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// steps."
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if (furthestAncestor(reference) !== furthestAncestor(other)) {
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// TODO: Test that it's consistent.
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assert_in_array(result, [Node.DOCUMENT_POSITION_DISCONNECTED +
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Node.DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC +
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Node.DOCUMENT_POSITION_PRECEDING,
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Node.DOCUMENT_POSITION_DISCONNECTED +
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Node.DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC +
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Node.DOCUMENT_POSITION_FOLLOWING]);
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return;
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}
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// "If other is an ancestor of reference, return the result of
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// adding DOCUMENT_POSITION_CONTAINS to DOCUMENT_POSITION_PRECEDING
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// and terminate these steps."
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var ancestor = reference.parentNode;
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while (ancestor && ancestor !== other) {
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ancestor = ancestor.parentNode;
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}
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if (ancestor === other) {
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assert_equals(result, Node.DOCUMENT_POSITION_CONTAINS +
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Node.DOCUMENT_POSITION_PRECEDING);
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return;
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}
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// "If other is a descendant of reference, return the result of adding
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// DOCUMENT_POSITION_CONTAINED_BY to DOCUMENT_POSITION_FOLLOWING and
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// terminate these steps."
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ancestor = other.parentNode;
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while (ancestor && ancestor !== reference) {
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ancestor = ancestor.parentNode;
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}
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if (ancestor === reference) {
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assert_equals(result, Node.DOCUMENT_POSITION_CONTAINED_BY +
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Node.DOCUMENT_POSITION_FOLLOWING);
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return;
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}
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// "If other is preceding reference return DOCUMENT_POSITION_PRECEDING
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// and terminate these steps."
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var prev = previousNode(reference);
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while (prev && prev !== other) {
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prev = previousNode(prev);
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}
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if (prev === other) {
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assert_equals(result, Node.DOCUMENT_POSITION_PRECEDING);
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return;
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}
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// "Return DOCUMENT_POSITION_FOLLOWING."
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assert_equals(result, Node.DOCUMENT_POSITION_FOLLOWING);
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}, referenceName + ".compareDocumentPosition(" + otherName + ")");
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});
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});
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testDiv.parentNode.removeChild(testDiv);
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</script>
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<!-- vim: set expandtab tabstop=2 shiftwidth=2: -->
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