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 |   1 <!DOCTYPE html> | 
 |   2 <script src='../resources/testharness.js'></script> | 
 |   3 <script src='../resources/testharnessreport.js'></script> | 
 |   4 <script src='resources/shadow-dom.js'></script> | 
 |   5 <div id='d1'> | 
 |   6   <template data-mode='open' data-expose-as='d1_shadow'> | 
 |   7     <slot name='d1-s1'></slot> | 
 |   8   </template> | 
 |   9   <div id='d2' slot='d1-s1'></div> | 
 |  10 </div> | 
 |  11 <script> | 
 |  12 'use strict'; | 
 |  13 convertTemplatesToShadowRootsWithin(d1); | 
 |  14 removeWhiteSpaceOnlyTextNodes(d1); | 
 |  15  | 
 |  16 async_test((test) => { | 
 |  17  | 
 |  18   const d1_s1 = d1_shadow.querySelector('slot'); | 
 |  19  | 
 |  20   assert_array_equals(d1_s1.assignedNodes(), [d2]); | 
 |  21   assert_array_equals(d1_s1.assignedNodes({'flatten': true}), [d2]); | 
 |  22  | 
 |  23   d1_s1.addEventListener('slotchange', (e) => { | 
 |  24     test.step(() => { | 
 |  25       assert_equals(e.target, d1_s1); | 
 |  26       assert_array_equals(d1_s1.assignedNodes(), []); | 
 |  27       assert_array_equals(d1_s1.assignedNodes({'flatten': true}), []); | 
 |  28       assert_equals(e.scoped, true); | 
 |  29       test.done(); | 
 |  30     }); | 
 |  31   }); | 
 |  32  | 
 |  33   d2.remove(); | 
 |  34 }, "slotchange event caused by removing a node"); | 
 |  35 </script> | 
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