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| (Empty) |
| 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 <div id='d1-d1'> | |
| 8 <template data-mode='open' data-expose-as='d1_d1_shadow'> | |
| 9 <slot name='d1-d1-s1'></slot> | |
| 10 </template> | |
| 11 <slot name='d1-s1' slot='d1-d1-s1'></slot> | |
| 12 </div> | |
| 13 </template> | |
| 14 <div id='d2' slot='d1-s1'></div> | |
| 15 </div> | |
| 16 <script> | |
| 17 'use strict'; | |
| 18 convertTemplatesToShadowRootsWithin(d1); | |
| 19 removeWhiteSpaceOnlyTextNodes(d1); | |
| 20 | |
| 21 async_test((test) => { | |
| 22 var count_for_d1_s1 = 0; | |
| 23 var count_for_d1_d1_s1 = 0; | |
| 24 | |
| 25 const d1_s1 = d1_shadow.querySelector('slot'); | |
| 26 const d1_d1_s1 = d1_d1_shadow.querySelector('slot'); | |
| 27 | |
| 28 assert_array_equals(d1_s1.assignedNodes(), [d2]); | |
| 29 assert_array_equals(d1_s1.assignedNodes({'flatten': true}), [d2]); | |
| 30 | |
| 31 assert_array_equals(d1_d1_s1.assignedNodes(), [d1_s1]); | |
| 32 assert_array_equals(d1_d1_s1.assignedNodes({'flatten': true}), [d2]); | |
| 33 | |
| 34 d1_s1.addEventListener('slotchange', (e) => { | |
| 35 test.step(() => { | |
| 36 count_for_d1_s1++; | |
| 37 if (count_for_d1_s1 == 1) { | |
| 38 assert_equals(e.target, d1_s1); | |
| 39 assert_array_equals(d1_s1.assignedNodes(), [d2, d3]); | |
| 40 assert_array_equals(d1_s1.assignedNodes({'flatten': true}), [d2, d3]); | |
| 41 } else if (count_for_d1_s1 == 2) { | |
| 42 assert_equals(e.target, d1_s1); | |
| 43 assert_array_equals(d1_s1.assignedNodes(), [d2]); | |
| 44 assert_array_equals(d1_s1.assignedNodes({'flatten': true}), [d2]); | |
| 45 test.done(); | |
| 46 } | |
| 47 }); | |
| 48 }); | |
| 49 | |
| 50 d1_d1_s1.addEventListener('slotchange', (e) => { | |
| 51 test.step(() => { | |
| 52 count_for_d1_d1_s1++; | |
| 53 if (count_for_d1_d1_s1 == 1) { | |
| 54 assert_equals(e.target, d1_d1_s1); | |
| 55 assert_array_equals(d1_d1_s1.assignedNodes(), [d1_s1]); | |
| 56 assert_array_equals(d1_d1_s1.assignedNodes({'flatten': true}), [d2, d3])
; | |
| 57 } else if (count_for_d1_d1_s1 == 2){ | |
| 58 assert_equals(e.target, d1_d1_s1); | |
| 59 assert_array_equals(d1_d1_s1.assignedNodes(), [d1_s1]); | |
| 60 assert_array_equals(d1_d1_s1.assignedNodes({'flatten': true}), [d2]); | |
| 61 test.done(); | |
| 62 } | |
| 63 }); | |
| 64 }); | |
| 65 | |
| 66 const d3 = document.createElement('div'); | |
| 67 d3.setAttribute('id', 'd3'); | |
| 68 d3.setAttribute('slot', 'd1-s1'); | |
| 69 d1.appendChild(d3); | |
| 70 // Different microtask. | |
| 71 setTimeout(function(){ | |
| 72 d3.remove(); | |
| 73 }, 0); | |
| 74 | |
| 75 }, "slotchange event should be dispatched for a slot at most once per microtask.
"); | |
| 76 </script> | |
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Chromium Code Reviews
Issue 2071133004:
Remove old tests for slotchange events (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@slotchange