| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8" /> |
| <title>Element Reflection for aria-activedescendant and aria-errormessage on ElementInternals</title> |
| <link rel=help href="https://whatpr.org/html/3917/common-dom-interfaces.html#reflecting-content-attributes-in-idl-attributes:element"> |
| <link rel="author" title="Alice Boxhall" href="alice@igalia.com"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| |
| <body> |
| <script> |
| class CustomElement extends HTMLElement { |
| constructor() { |
| super(); |
| this.i = this.attachInternals(); |
| } |
| } |
| customElements.define('custom-element', CustomElement); |
| </script> |
| |
| <custom-element id="custom1"></custom-element> |
| <div id="activedescendant">Active descendant</div> |
| <div id="controls">Controls</div> |
| <div id="describedby">Described by</div> |
| <div id="details">Details</div> |
| <div id="errormessage">Error message</div> |
| <div id="flowto">Flow to</div> |
| <div id="labelledby">Labelled By</div> |
| <div id="owns">Owns</div> |
| |
| <script> |
| const element_properties = [ |
| ['ariaActiveDescendantElement', 'activedescendant']]; |
| const array_properties = [ |
| ['ariaControlsElements', 'controls'], |
| ['ariaDescribedByElements', 'describedby'], |
| ['ariaDetailsElements', 'details'], |
| ['ariaErrorMessageElements', 'errormessage'], |
| ['ariaFlowToElements', 'flowto'], |
| ['ariaLabelledByElements', 'labelledby'], |
| ['ariaOwnsElements', 'owns']]; |
| |
| test(t => { |
| const custom = document.getElementById('custom1'); |
| for (const [property, id] of element_properties) { |
| assert_equals(custom.i[property], null); |
| } |
| for (const [property, id] of array_properties) { |
| assert_equals(custom.i[property], null); |
| } |
| }, "Getting previously-unset ARIA element reflection properties on ElementInternals should return null."); |
| |
| test(t => { |
| const custom = document.getElementById('custom1'); |
| for (const [property, id] of element_properties) { |
| const related = document.getElementById(id); |
| custom.i[property] = related; |
| assert_equals(custom.i[property], related); |
| } |
| for (const [property, id] of array_properties) { |
| const related = document.getElementById(id); |
| custom.i[property] = [related]; |
| assert_array_equals(custom.i[property], [related]); |
| } |
| }, "Getting ARIA element reflection properties on ElementInternals should return the value that was set."); |
| |
| test(t => { |
| const custom = document.getElementById('custom1'); |
| for (const [property, id] of array_properties) { |
| custom.i[property] = []; |
| assert_array_equals(custom.i[property], []); |
| } |
| }, "Setting ARIA element reflection properties to an empty array should work as expected."); |
| |
| test(t => { |
| const custom = document.getElementById('custom1'); |
| for (const [property, id] of element_properties) { |
| const related = document.getElementById(id); |
| custom.i[property] = related; |
| assert_equals(custom.i[property], related); |
| |
| custom.i[property] = null; |
| assert_equals(custom.i[property], null); |
| } |
| for (const [property, id] of array_properties) { |
| const related = document.getElementById(id); |
| custom.i[property] = [related]; |
| assert_array_equals(custom.i[property], [related]); |
| |
| custom.i[property] = null; |
| assert_equals(custom.i[property], null); |
| } |
| }, "Setting ARIA element reflection properties on ElementInternals to null should delete any previous value, and not crash"); |
| </script> |
| |
| <custom-element id="cachingInvariantMain"></custom-element> |
| <div id="cachingInvariantElement1"></div> |
| <div id="cachingInvariantElement2"></div> |
| <div id="cachingInvariantElement3"></div> |
| <div id="cachingInvariantElement4"></div> |
| <div id="cachingInvariantElement5"></div> |
| |
| <script> |
| test(function(t) { |
| cachingInvariantMain.i.ariaControlsElements = [cachingInvariantElement1, cachingInvariantElement2]; |
| cachingInvariantMain.i.ariaDescribedByElements = [cachingInvariantElement3, cachingInvariantElement4]; |
| cachingInvariantMain.i.ariaDetailsElements = [cachingInvariantElement5]; |
| cachingInvariantMain.i.ariaFlowToElements = [cachingInvariantElement1, cachingInvariantElement3]; |
| cachingInvariantMain.i.ariaLabelledByElements = [cachingInvariantElement2, cachingInvariantElement4]; |
| cachingInvariantMain.i.ariaOwnsElements = [cachingInvariantElement1, cachingInvariantElement2, cachingInvariantElement3]; |
| |
| let ariaControlsElementsArray = cachingInvariantMain.i.ariaControlsElements; |
| let ariaDescribedByElementsArray = cachingInvariantMain.i.ariaDescribedByElements; |
| let ariaDetailsElementsArray = cachingInvariantMain.i.ariaDetailsElements; |
| let ariaFlowToElementsArray = cachingInvariantMain.i.ariaFlowToElements; |
| let ariaLabelledByElementsArray = cachingInvariantMain.i.ariaLabelledByElements; |
| let ariaOwnsElementsArray = cachingInvariantMain.i.ariaOwnsElements; |
| |
| assert_equals(ariaControlsElementsArray, cachingInvariantMain.i.ariaControlsElements, "Caching invariant for ariaControlsElements"); |
| assert_equals(ariaDescribedByElementsArray, cachingInvariantMain.i.ariaDescribedByElements, "Caching invariant for ariaDescribedByElements"); |
| assert_equals(ariaDetailsElementsArray, cachingInvariantMain.i.ariaDetailsElements, "Caching invariant for ariaDetailsElements"); |
| assert_equals(ariaFlowToElementsArray, cachingInvariantMain.i.ariaFlowToElements, "Caching invariant for ariaFlowToElements"); |
| assert_equals(ariaLabelledByElementsArray, cachingInvariantMain.i.ariaLabelledByElements, "Caching invariant for ariaLabelledByElements"); |
| assert_equals(ariaOwnsElementsArray, cachingInvariantMain.i.ariaOwnsElements, "Caching invariant for ariaOwnsElements"); |
| |
| // Ensure that cached values don't become stale |
| cachingInvariantMain.i.ariaControlsElements = [cachingInvariantElement4, cachingInvariantElement5]; |
| cachingInvariantMain.i.ariaDescribedByElements = [cachingInvariantElement1, cachingInvariantElement2]; |
| cachingInvariantMain.i.ariaDetailsElements = [cachingInvariantElement3]; |
| cachingInvariantMain.i.ariaFlowToElements = [cachingInvariantElement4, cachingInvariantElement5]; |
| cachingInvariantMain.i.ariaLabelledByElements = [cachingInvariantElement1, cachingInvariantElement2]; |
| cachingInvariantMain.i.ariaOwnsElements = [cachingInvariantElement3, cachingInvariantElement4, cachingInvariantElement1]; |
| |
| ariaControlsElementsArray = cachingInvariantMain.i.ariaControlsElements; |
| ariaDescribedByElementsArray = cachingInvariantMain.i.ariaDescribedByElements; |
| ariaDetailsElementsArray = cachingInvariantMain.i.ariaDetailsElements; |
| ariaFlowToElementsArray = cachingInvariantMain.i.ariaFlowToElements; |
| ariaLabelledByElementsArray = cachingInvariantMain.i.ariaLabelledByElements; |
| ariaOwnsElementsArray = cachingInvariantMain.i.ariaOwnsElements; |
| |
| assert_equals(ariaControlsElementsArray, cachingInvariantMain.i.ariaControlsElements, "Caching invariant for ariaControlsElements"); |
| assert_equals(ariaDescribedByElementsArray, cachingInvariantMain.i.ariaDescribedByElements, "Caching invariant for ariaDescribedByElements"); |
| assert_equals(ariaDetailsElementsArray, cachingInvariantMain.i.ariaDetailsElements, "Caching invariant for ariaDetailsElements"); |
| assert_equals(ariaFlowToElementsArray, cachingInvariantMain.i.ariaFlowToElements, "Caching invariant for ariaFlowToElements"); |
| assert_equals(ariaLabelledByElementsArray, cachingInvariantMain.i.ariaLabelledByElements, "Caching invariant for ariaLabelledByElements"); |
| assert_equals(ariaOwnsElementsArray, cachingInvariantMain.i.ariaOwnsElements, "Caching invariant for ariaOwnsElements"); |
| |
| }, "Caching invariant different attributes."); |
| </script> |
| |
| <custom-element id="cachingInvariantMain1"></custom-element> |
| <custom-element id="cachingInvariantMain2"></custom-element> |
| |
| <script> |
| test(function(t) { |
| cachingInvariantMain1.i.ariaDescribedByElements = [cachingInvariantElement1, cachingInvariantElement2]; |
| cachingInvariantMain2.i.ariaDescribedByElements = [cachingInvariantElement1, cachingInvariantElement2]; |
| |
| let ariaDescribedByElementsArray1 = cachingInvariantMain1.i.ariaDescribedByElements; |
| let ariaDescribedByElementsArray2 = cachingInvariantMain2.i.ariaDescribedByElements; |
| |
| assert_equals(ariaDescribedByElementsArray1, cachingInvariantMain1.i.ariaDescribedByElements, "Caching invariant for ariaDescribedByElements in one elemnt"); |
| assert_equals(ariaDescribedByElementsArray2, cachingInvariantMain2.i.ariaDescribedByElements, "Caching invariant for ariaDescribedByElements in onother elemnt"); |
| assert_not_equals(cachingInvariantMain1.i.ariaDescribedByElements, cachingInvariantMain2.i.ariaDescribedByElements); |
| }, "Caching invariant different elements."); |
| </script> |
| |
| </script> |
| </body> |
| </html> |