зеркало из https://github.com/mozilla/gecko-dev.git
122 строки
5.0 KiB
HTML
122 строки
5.0 KiB
HTML
<!doctype html>
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<title>Selection.collapseTo(Start|End)() 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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// Also test a selection with no ranges
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testRanges.unshift("[]");
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for (var i = 0; i < testRanges.length; i++) {
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test(function() {
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selection.removeAllRanges();
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var endpoints = eval(testRanges[i]);
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if (!endpoints.length) {
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assert_throws("INVALID_STATE_ERR", function() {
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selection.collapseToStart();
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}, "Must throw InvalidStateErr if the selection's range is null");
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return;
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}
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var addedRange = ownerDocument(endpoints[0]).createRange();
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addedRange.setStart(endpoints[0], endpoints[1]);
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addedRange.setEnd(endpoints[2], endpoints[3]);
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selection.addRange(addedRange);
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// We don't penalize browsers here for mishandling addRange() and
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// adding a different range than we specified. They fail addRange()
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// tests for that, and don't have to fail collapseToStart/End() tests
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// too. They do fail if they throw unexpectedly, though. I also fail
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// them if there's no range at all, because otherwise they could pass
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// all tests if addRange() always does nothing and collapseToStart()
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// always throws.
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assert_equals(selection.rangeCount, 1,
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"Sanity check: rangeCount must equal 1 after addRange()");
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var expectedEndpoint = [
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selection.getRangeAt(0).startContainer,
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selection.getRangeAt(0).startOffset
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];
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selection.collapseToStart();
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assert_equals(selection.rangeCount, 1,
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"selection.rangeCount must equal 1");
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assert_equals(selection.focusNode, expectedEndpoint[0],
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"focusNode must equal the original start node");
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assert_equals(selection.focusOffset, expectedEndpoint[1],
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"focusOffset must equal the original start offset");
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assert_equals(selection.anchorNode, expectedEndpoint[0],
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"anchorNode must equal the original start node");
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assert_equals(selection.anchorOffset, expectedEndpoint[1],
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"anchorOffset must equal the original start offset");
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assert_equals(addedRange.startContainer, endpoints[0],
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"collapseToStart() must not change the startContainer of the selection's original range");
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assert_equals(addedRange.startOffset, endpoints[1],
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"collapseToStart() must not change the startOffset of the selection's original range");
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assert_equals(addedRange.endContainer, endpoints[2],
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"collapseToStart() must not change the endContainer of the selection's original range");
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assert_equals(addedRange.endOffset, endpoints[3],
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"collapseToStart() must not change the endOffset of the selection's original range");
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}, "Range " + i + " " + testRanges[i] + " collapseToStart()");
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// Copy-paste of above
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test(function() {
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selection.removeAllRanges();
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var endpoints = eval(testRanges[i]);
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if (!endpoints.length) {
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assert_throws("INVALID_STATE_ERR", function() {
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selection.collapseToEnd();
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}, "Must throw InvalidStateErr if the selection's range is null");
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return;
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}
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var addedRange = ownerDocument(endpoints[0]).createRange();
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addedRange.setStart(endpoints[0], endpoints[1]);
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addedRange.setEnd(endpoints[2], endpoints[3]);
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selection.addRange(addedRange);
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// We don't penalize browsers here for mishandling addRange() and
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// adding a different range than we specified. They fail addRange()
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// tests for that, and don't have to fail collapseToStart/End() tests
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// too. They do fail if they throw unexpectedly, though. I also fail
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// them if there's no range at all, because otherwise they could pass
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// all tests if addRange() always does nothing and collapseToStart()
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// always throws.
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assert_equals(selection.rangeCount, 1,
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"Sanity check: rangeCount must equal 1 after addRange()");
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var expectedEndpoint = [
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selection.getRangeAt(0).endContainer,
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selection.getRangeAt(0).endOffset
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];
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selection.collapseToEnd();
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assert_equals(selection.rangeCount, 1,
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"selection.rangeCount must equal 1");
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assert_equals(selection.focusNode, expectedEndpoint[0],
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"focusNode must equal the original end node");
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assert_equals(selection.focusOffset, expectedEndpoint[1],
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"focusOffset must equal the original end offset");
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assert_equals(selection.anchorNode, expectedEndpoint[0],
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"anchorNode must equal the original end node");
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assert_equals(selection.anchorOffset, expectedEndpoint[1],
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"anchorOffset must equal the original end offset");
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assert_equals(addedRange.startContainer, endpoints[0],
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"collapseToEnd() must not change the startContainer of the selection's original range");
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assert_equals(addedRange.startOffset, endpoints[1],
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"collapseToEnd() must not change the startOffset of the selection's original range");
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assert_equals(addedRange.endContainer, endpoints[2],
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"collapseToEnd() must not change the endContainer of the selection's original range");
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assert_equals(addedRange.endOffset, endpoints[3],
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"collapseToEnd() must not change the endOffset of the selection's original range");
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}, "Range " + i + " " + testRanges[i] + " collapseToEnd()");
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}
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testDiv.style.display = "none";
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</script>
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