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1 <!doctype html> |
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2 <title>Selection.collapse() tests</title> |
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3 <div id=log></div> |
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4 <script src=/resources/testharness.js></script> |
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5 <script src=/resources/testharnessreport.js></script> |
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6 <script src=common.js></script> |
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7 <script> |
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8 "use strict"; |
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9 |
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10 function testCollapse(range, point) { |
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11 selection.removeAllRanges(); |
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12 var addedRange; |
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13 if (range) { |
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14 addedRange = range.cloneRange(); |
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15 selection.addRange(addedRange); |
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16 } |
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17 |
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18 if (point[0].nodeType == Node.DOCUMENT_TYPE_NODE) { |
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19 assert_throws("INVALID_NODE_TYPE_ERR", function() { |
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20 selection.collapse(point[0], point[1]); |
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21 }, "Must throw INVALID_NODE_TYPE_ERR when collapse()ing if the node is a DocumentType"); |
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22 return; |
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23 } |
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24 |
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25 if (point[1] < 0 || point[1] > getNodeLength(point[0])) { |
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26 assert_throws("INDEX_SIZE_ERR", function() { |
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27 selection.collapse(point[0], point[1]); |
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28 }, "Must throw INDEX_SIZE_ERR when collapse()ing if the offset is negative or greater than the node's length"); |
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29 return; |
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30 } |
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31 |
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32 selection.collapse(point[0], point[1]); |
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33 |
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34 assert_equals(selection.rangeCount, 1, |
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35 "selection.rangeCount must equal 1 after collapse()"); |
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36 assert_equals(selection.focusNode, point[0], |
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37 "focusNode must equal the node we collapse()d to"); |
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38 assert_equals(selection.focusOffset, point[1], |
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39 "focusOffset must equal the offset we collapse()d to"); |
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40 assert_equals(selection.focusNode, selection.anchorNode, |
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41 "focusNode and anchorNode must be equal after collapse()"); |
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42 assert_equals(selection.focusOffset, selection.anchorOffset, |
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43 "focusOffset and anchorOffset must be equal after collapse()"); |
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44 if (range) { |
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45 assert_equals(addedRange.startContainer, range.startContainer, |
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46 "collapse() must not change the startContainer of a preexisting Range"); |
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47 assert_equals(addedRange.endContainer, range.endContainer, |
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48 "collapse() must not change the endContainer of a preexisting Range"); |
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49 assert_equals(addedRange.startOffset, range.startOffset, |
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50 "collapse() must not change the startOffset of a preexisting Range"); |
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51 assert_equals(addedRange.endOffset, range.endOffset, |
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52 "collapse() must not change the endOffset of a preexisting Range"); |
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53 } |
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54 } |
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55 |
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56 // Also test a selection with no ranges |
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57 testRanges.unshift("[]"); |
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58 |
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59 // Don't want to eval() each point a bazillion times |
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60 var testPointsCached = []; |
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61 for (var i = 0; i < testPoints.length; i++) { |
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62 testPointsCached.push(eval(testPoints[i])); |
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63 } |
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64 |
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65 var tests = []; |
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66 for (var i = 0; i < testRanges.length; i++) { |
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67 var endpoints = eval(testRanges[i]); |
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68 var range; |
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69 test(function() { |
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70 if (endpoints.length) { |
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71 range = ownerDocument(endpoints[0]).createRange(); |
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72 range.setStart(endpoints[0], endpoints[1]); |
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73 range.setEnd(endpoints[2], endpoints[3]); |
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74 } else { |
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75 // Empty selection |
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76 range = null; |
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77 } |
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78 }, "Set up range " + i + " " + testRanges[i]); |
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79 for (var j = 0; j < testPoints.length; j++) { |
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80 tests.push(["Range " + i + " " + testRanges[i] + ", point " + j + " " + testPoints[j], range, testPointsCached[j]]); |
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81 } |
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82 } |
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83 |
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84 generate_tests(testCollapse, tests); |
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85 |
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86 testDiv.style.display = "none"; |
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87 </script> |