third_party/WebKit/LayoutTests/fast/events/mutation-during-replace-child.html - Issue 2889523002: MutationObserver: Correct MutationRecords for Node.replaceChild().

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Issue 2889523002: MutationObserver: Correct MutationRecords for Node.replaceChild(). (Closed)

Patch Set: Add step comments Created 3 years, 7 months ago

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1 <!DOCTYPE html>	1 <!DOCTYPE html>

2 <html>	2 <html>

3 <head>	3 <head>

4 <script src="../../resources/js-test.js"></script>	4 <script src="../../resources/js-test.js"></script>

5 </head>	5 </head>

6 <body>	6 <body>

7 <div>	7 <div>

8 <div id="target">	8 <div id="target">

9 <b></b><b id="oldChild"></b><b></b>	9 <b></b><b id="oldChild"></b><b></b>

10 </div>	10 </div>

11 <div id="newChild"></div>	11 <div id="newChild"></div>

12 </div>	12 </div>

13	13

14 <script>	14 <script>

15 description("Ensures that replaceChild() throws an exception if mutation even ha ndler does something wrong");	15 description("Ensures that replaceChild() throws an exception if mutation even ha ndler does something wrong");

16 var target = document.getElementById('target');	16 var target = document.getElementById('target');

17 var oldChild = document.getElementById('oldChild');	17 var oldChild = document.getElementById('oldChild');

18 var newChild = document.getElementById('newChild');	18 var newChild = document.getElementById('newChild');

19	19

20 function handler(){	20 function handler(){

21 document.removeEventListener("DOMNodeRemoved", handler, false);	21 document.removeEventListener("DOMNodeRemoved", handler, false);

22 newChild.parentNode.removeChild(newChild);	22 newChild.parentNode.removeChild(newChild);

23 target.parentNode.removeChild(target);	23 target.parentNode.removeChild(target);

24 newChild.appendChild(target);	24 newChild.appendChild(target);

25 }	25 }

26 document.addEventListener("DOMNodeRemoved", handler, false);	26 document.addEventListener("DOMNodeRemoved", handler, false);

27 shouldThrow("target.replaceChild(newChild, oldChild);", '"HierarchyRequestError: Failed to execute \'replaceChild\' on \'Node\': The new child element contains the parent."');	27 shouldThrow("target.replaceChild(newChild, oldChild);", '"NotFoundError: Failed to execute \'replaceChild\' on \'Node\': The node to be removed is no longer a c hild of this node. Perhaps it was moved in response to a mutation?"');

28 </script>	28 </script>

29 </body>	29 </body>

30 </html>	30 </html>

31	31

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