| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <meta name="author" title="Keith Cirkel" href="mailto:wpt@keithcirkel.co.uk" /> |
| <link rel="help" href="https://html.spec.whatwg.org/multipage/custom-elements.html#custom-state-pseudo-class" /> |
| <title>:state() css selector applies to nth-of selectors</title> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <custom-state id="myCE">First Element</custom-state> |
| <p id="mySibling">First Sibling</p> |
| <custom-state id="myCE2">Second Element</custom-state> |
| <p id="mySibling2">Second Sibling</p> |
| <style> |
| :nth-child(1), :nth-child(2) { |
| color: #f00; |
| } |
| :nth-child(2 of :state(--green)) { |
| color: #0f0; |
| } |
| :nth-child(2 of :state(--green)) + p { |
| color: #00f; |
| } |
| </style> |
| <script> |
| customElements.define('custom-state', class extends HTMLElement { |
| connectedCallback() { |
| this.elementInternals = this.attachInternals(); |
| } |
| }); |
| |
| test(function(t) { |
| t.add_cleanup(() => { myCE.elementInternals.states.delete('--green') }); |
| t.add_cleanup(() => { myCE2.elementInternals.states.delete('--green') }); |
| assert_false(myCE.elementInternals.states.has('--green')); |
| assert_equals(getComputedStyle(myCE).getPropertyValue('color'), 'rgb(255, 0, 0)'); |
| assert_equals(getComputedStyle(myCE2).getPropertyValue('color'), 'rgb(255, 0, 0)'); |
| assert_equals(getComputedStyle(mySibling).getPropertyValue('color'), 'rgb(255, 0, 0)'); |
| assert_equals(getComputedStyle(mySibling2).getPropertyValue('color'), 'rgb(255, 0, 0)'); |
| myCE.elementInternals.states.add('--green'); |
| assert_true(myCE.elementInternals.states.has('--green')); |
| assert_equals(getComputedStyle(myCE).getPropertyValue('color'), 'rgb(255, 0, 0)'); |
| assert_equals(getComputedStyle(myCE2).getPropertyValue('color'), 'rgb(255, 0, 0)'); |
| assert_equals(getComputedStyle(mySibling).getPropertyValue('color'), 'rgb(255, 0, 0)'); |
| assert_equals(getComputedStyle(mySibling2).getPropertyValue('color'), 'rgb(255, 0, 0)'); |
| myCE2.elementInternals.states.add('--green'); |
| assert_true(myCE2.elementInternals.states.has('--green')); |
| assert_equals(getComputedStyle(myCE).getPropertyValue('color'), 'rgb(255, 0, 0)'); |
| assert_equals(getComputedStyle(myCE2).getPropertyValue('color'), 'rgb(0, 255, 0)'); |
| assert_equals(getComputedStyle(mySibling).getPropertyValue('color'), 'rgb(255, 0, 0)'); |
| assert_equals(getComputedStyle(mySibling2).getPropertyValue('color'), 'rgb(0, 0, 255)'); |
| }, "state selector has influence on nth-of when state is applied"); |
| |
| test(function(t) { |
| t.add_cleanup(() => { myCE.elementInternals.states.delete('--foo') }); |
| t.add_cleanup(() => { myCE2.elementInternals.states.delete('--foo') }); |
| myCE.elementInternals.states.add('--foo'); |
| myCE2.elementInternals.states.add('--foo'); |
| assert_false(myCE.elementInternals.states.has('--green')); |
| assert_true(myCE.elementInternals.states.has('--foo')); |
| assert_false(myCE2.elementInternals.states.has('--green')); |
| assert_true(myCE2.elementInternals.states.has('--foo')); |
| assert_equals(getComputedStyle(myCE).getPropertyValue('color'), 'rgb(255, 0, 0)'); |
| assert_equals(getComputedStyle(myCE2).getPropertyValue('color'), 'rgb(255, 0, 0)'); |
| assert_equals(getComputedStyle(mySibling).getPropertyValue('color'), 'rgb(255, 0, 0)'); |
| assert_equals(getComputedStyle(mySibling2).getPropertyValue('color'), 'rgb(255, 0, 0)'); |
| }, "state selector only applies on given ident"); |
| |
| test(function(t) { |
| myCE.elementInternals.states.add('--green'); |
| myCE.elementInternals.states.add('--foo'); |
| myCE2.elementInternals.states.add('--green'); |
| myCE2.elementInternals.states.add('--foo'); |
| assert_true(myCE.elementInternals.states.has('--green')); |
| assert_true(myCE.elementInternals.states.has('--foo')); |
| assert_equals(getComputedStyle(myCE).getPropertyValue('color'), 'rgb(255, 0, 0)'); |
| assert_equals(getComputedStyle(myCE2).getPropertyValue('color'), 'rgb(0, 255, 0)'); |
| assert_equals(getComputedStyle(mySibling).getPropertyValue('color'), 'rgb(255, 0, 0)'); |
| assert_equals(getComputedStyle(mySibling2).getPropertyValue('color'), 'rgb(0, 0, 255)'); |
| myCE.elementInternals.states.clear(); |
| assert_equals(getComputedStyle(myCE).getPropertyValue('color'), 'rgb(255, 0, 0)'); |
| assert_equals(getComputedStyle(myCE2).getPropertyValue('color'), 'rgb(255, 0, 0)'); |
| assert_equals(getComputedStyle(mySibling).getPropertyValue('color'), 'rgb(255, 0, 0)'); |
| assert_equals(getComputedStyle(mySibling2).getPropertyValue('color'), 'rgb(255, 0, 0)'); |
| }, "style is invalided on clear()"); |
| |
| </script> |
| </body> |
| </html> |
