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| 1 <!doctype html> |
| 2 <title>Node.compareDocumentPosition() tests</title> |
| 3 <link rel=author title="Aryeh Gregor" href=ayg@aryeh.name> |
| 4 <div id=log></div> |
| 5 <script src=../../../../resources/testharness.js></script> |
| 6 <script src=../../../../resources/testharnessreport.js></script> |
| 7 <script src=../common.js></script> |
| 8 <script> |
| 9 "use strict"; |
| 10 |
| 11 testNodes.forEach(function(referenceName) { |
| 12 var reference = eval(referenceName); |
| 13 testNodes.forEach(function(otherName) { |
| 14 var other = eval(otherName); |
| 15 test(function() { |
| 16 var result = reference.compareDocumentPosition(other); |
| 17 |
| 18 // "If other and reference are the same object, return zero and |
| 19 // terminate these steps." |
| 20 if (other === reference) { |
| 21 assert_equals(result, 0); |
| 22 return; |
| 23 } |
| 24 |
| 25 // "If other and reference are not in the same tree, return the result of |
| 26 // adding DOCUMENT_POSITION_DISCONNECTED, |
| 27 // DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC, and either |
| 28 // DOCUMENT_POSITION_PRECEDING or DOCUMENT_POSITION_FOLLOWING, with the |
| 29 // constraint that this is to be consistent, together and terminate these |
| 30 // steps." |
| 31 if (furthestAncestor(reference) !== furthestAncestor(other)) { |
| 32 // TODO: Test that it's consistent. |
| 33 assert_in_array(result, [Node.DOCUMENT_POSITION_DISCONNECTED + |
| 34 Node.DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC
+ |
| 35 Node.DOCUMENT_POSITION_PRECEDING, |
| 36 Node.DOCUMENT_POSITION_DISCONNECTED + |
| 37 Node.DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC
+ |
| 38 Node.DOCUMENT_POSITION_FOLLOWING]); |
| 39 return; |
| 40 } |
| 41 |
| 42 // "If other is an ancestor of reference, return the result of |
| 43 // adding DOCUMENT_POSITION_CONTAINS to DOCUMENT_POSITION_PRECEDING |
| 44 // and terminate these steps." |
| 45 var ancestor = reference.parentNode; |
| 46 while (ancestor && ancestor !== other) { |
| 47 ancestor = ancestor.parentNode; |
| 48 } |
| 49 if (ancestor === other) { |
| 50 assert_equals(result, Node.DOCUMENT_POSITION_CONTAINS + |
| 51 Node.DOCUMENT_POSITION_PRECEDING); |
| 52 return; |
| 53 } |
| 54 |
| 55 // "If other is a descendant of reference, return the result of adding |
| 56 // DOCUMENT_POSITION_CONTAINED_BY to DOCUMENT_POSITION_FOLLOWING and |
| 57 // terminate these steps." |
| 58 ancestor = other.parentNode; |
| 59 while (ancestor && ancestor !== reference) { |
| 60 ancestor = ancestor.parentNode; |
| 61 } |
| 62 if (ancestor === reference) { |
| 63 assert_equals(result, Node.DOCUMENT_POSITION_CONTAINED_BY + |
| 64 Node.DOCUMENT_POSITION_FOLLOWING); |
| 65 return; |
| 66 } |
| 67 |
| 68 // "If other is preceding reference return DOCUMENT_POSITION_PRECEDING |
| 69 // and terminate these steps." |
| 70 var prev = previousNode(reference); |
| 71 while (prev && prev !== other) { |
| 72 prev = previousNode(prev); |
| 73 } |
| 74 if (prev === other) { |
| 75 assert_equals(result, Node.DOCUMENT_POSITION_PRECEDING); |
| 76 return; |
| 77 } |
| 78 |
| 79 // "Return DOCUMENT_POSITION_FOLLOWING." |
| 80 assert_equals(result, Node.DOCUMENT_POSITION_FOLLOWING); |
| 81 }, referenceName + ".compareDocumentPosition(" + otherName + ")"); |
| 82 }); |
| 83 }); |
| 84 |
| 85 testDiv.parentNode.removeChild(testDiv); |
| 86 </script> |
| 87 <!-- vim: set expandtab tabstop=2 shiftwidth=2: --> |
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Chromium Code Reviews
Issue 1529523002:
Import dom/ from web-platform-tests (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master