| <!DOCTYPE html> |
| <script src='../resources/testharness.js'></script> |
| <script src='../resources/testharnessreport.js'></script> |
| <script src='resources/shadow-dom.js'></script> |
| <div id='host'> |
| <template data-mode='open'> |
| <slot name='slot1'> |
| <div id='fallback1'></div> |
| </slot> |
| <slot name='slot2'> |
| <div id='fallback2'></div> |
| </slot> |
| </template> |
| <div id='child1' slot='slot1'></div> |
| </div> |
| <script> |
| 'use strict'; |
| convertTemplatesToShadowRootsWithin(host); |
| removeWhiteSpaceOnlyTextNodes(host); |
| document.body.offsetLeft; |
| |
| const slot1 = host.shadowRoot.querySelector('[name=slot1]'); |
| const slot2 = host.shadowRoot.querySelector('[name=slot2]'); |
| const fallback1 = host.shadowRoot.querySelector('#fallback1'); |
| const fallback2 = host.shadowRoot.querySelector('#fallback2'); |
| |
| test(() => { |
| assert_array_equals(slot1.assignedNodes({flatten: true}), [child1]); |
| assert_array_equals(slot2.assignedNodes({flatten: true}), [fallback2]); |
| }, "Slot's distributed nodes"); |
| |
| test(() => { |
| // Insert |
| const slot0 = document.createElement('slot'); |
| slot0.setAttribute('name', 'slot1'); |
| host.shadowRoot.insertBefore(slot0, slot1); |
| |
| assert_array_equals(slot0.assignedNodes({flatten: true}), [child1]); |
| assert_array_equals(slot1.assignedNodes({flatten: true}), [fallback1]); |
| assert_array_equals(slot2.assignedNodes({flatten: true}), [fallback2]); |
| |
| // Remove |
| host.shadowRoot.removeChild(slot0); |
| assert_array_equals(slot1.assignedNodes({flatten: true}), [child1]); |
| assert_array_equals(slot2.assignedNodes({flatten: true}), [fallback2]); |
| }, "Slot's distributed nodes after inserting/removeing a slot."); |
| |
| test(() => { |
| // Attribute change |
| slot1.setAttribute('name', 'slot-foo'); |
| assert_array_equals(slot1.assignedNodes({flatten: true}), [fallback1]); |
| assert_array_equals(slot2.assignedNodes({flatten: true}), [fallback2]); |
| |
| child1.setAttribute('slot', 'slot-foo'); |
| assert_array_equals(slot1.assignedNodes({flatten: true}), [child1]); |
| assert_array_equals(slot2.assignedNodes({flatten: true}), [fallback2]); |
| }, "Slot's distributed nodes after the attribute is changed."); |
| </script> |
