| <!DOCTYPE html> |
| <script src='../resources/testharness.js'></script> |
| <script src='../resources/testharnessreport.js'></script> |
| <script src='resources/shadow-dom.js'></script> |
| <!-- This is a micro benchmark to catch an unintentional regression. |
| If the reason of a regression is clear, it is okay. |
| We do not have to optimize the result of the benchmark. --> |
| <div id='d1'> |
| <template data-mode='open' data-expose-as='d1_shadow'> |
| <slot name='d1-s1'></slot> |
| </template> |
| <div id='d2' slot='d1-s1'></div> |
| </div> |
| <script> |
| 'use strict'; |
| convertTemplatesToShadowRootsWithin(d1); |
| removeWhiteSpaceOnlyTextNodes(d1); |
| |
| async_test((test) => { |
| |
| const d1_s1 = d1_shadow.querySelector('slot'); |
| |
| assert_array_equals(d1_s1.assignedNodes(), [d2]); |
| assert_array_equals(d1_s1.assignedNodes({'flatten': true}), [d2]); |
| |
| d1_s1.addEventListener('slotchange', (e) => { |
| test.step(() => { |
| assert_equals(e.target, d1_s1); |
| assert_array_equals(d1_s1.assignedNodes(), []); |
| assert_array_equals(d1_s1.assignedNodes({'flatten': true}), []); |
| test.done(); |
| }); |
| }); |
| |
| d2.setAttribute('slot', 'non-exist'); |
| }, "slotchange event caused by renaming slot name"); |
| </script> |