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88 lines
2.9 KiB
HTML
88 lines
2.9 KiB
HTML
<!doctype html>
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<title>Selection.collapse() tests</title>
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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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function testCollapse(range, point) {
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selection.removeAllRanges();
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var addedRange;
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if (range) {
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addedRange = range.cloneRange();
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selection.addRange(addedRange);
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}
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if (point[0].nodeType == Node.DOCUMENT_TYPE_NODE) {
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assert_throws("INVALID_NODE_TYPE_ERR", function() {
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selection.collapse(point[0], point[1]);
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}, "Must throw INVALID_NODE_TYPE_ERR when collapse()ing if the node is a DocumentType");
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return;
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}
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if (point[1] < 0 || point[1] > getNodeLength(point[0])) {
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assert_throws("INDEX_SIZE_ERR", function() {
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selection.collapse(point[0], point[1]);
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}, "Must throw INDEX_SIZE_ERR when collapse()ing if the offset is negative or greater than the node's length");
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return;
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}
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selection.collapse(point[0], point[1]);
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assert_equals(selection.rangeCount, 1,
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"selection.rangeCount must equal 1 after collapse()");
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assert_equals(selection.focusNode, point[0],
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"focusNode must equal the node we collapse()d to");
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assert_equals(selection.focusOffset, point[1],
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"focusOffset must equal the offset we collapse()d to");
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assert_equals(selection.focusNode, selection.anchorNode,
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"focusNode and anchorNode must be equal after collapse()");
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assert_equals(selection.focusOffset, selection.anchorOffset,
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"focusOffset and anchorOffset must be equal after collapse()");
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if (range) {
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assert_equals(addedRange.startContainer, range.startContainer,
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"collapse() must not change the startContainer of a preexisting Range");
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assert_equals(addedRange.endContainer, range.endContainer,
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"collapse() must not change the endContainer of a preexisting Range");
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assert_equals(addedRange.startOffset, range.startOffset,
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"collapse() must not change the startOffset of a preexisting Range");
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assert_equals(addedRange.endOffset, range.endOffset,
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"collapse() must not change the endOffset of a preexisting Range");
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}
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}
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// Also test a selection with no ranges
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testRanges.unshift("[]");
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// Don't want to eval() each point a bazillion times
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var testPointsCached = [];
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for (var i = 0; i < testPoints.length; i++) {
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testPointsCached.push(eval(testPoints[i]));
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}
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var tests = [];
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for (var i = 0; i < testRanges.length; i++) {
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var endpoints = eval(testRanges[i]);
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var range;
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test(function() {
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if (endpoints.length) {
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range = ownerDocument(endpoints[0]).createRange();
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range.setStart(endpoints[0], endpoints[1]);
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range.setEnd(endpoints[2], endpoints[3]);
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} else {
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// Empty selection
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range = null;
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}
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}, "Set up range " + i + " " + testRanges[i]);
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for (var j = 0; j < testPoints.length; j++) {
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tests.push(["Range " + i + " " + testRanges[i] + ", point " + j + " " + testPoints[j], range, testPointsCached[j]]);
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}
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}
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generate_tests(testCollapse, tests);
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testDiv.style.display = "none";
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</script>
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