| <!DOCTYPE HTML> |
| <link rel="help" href="https://drafts.css-houdini.org/css-properties-values-api/#dom-css-registerproperty" /> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <style> |
| #test1 { |
| --registered-1-a: var(--registered-1-b, 10px); |
| --registered-1-b: var(--registered-1-a, 20px); |
| |
| --registered-1-c: var(--registered-1-b, 30px); |
| --registered-1-d: var(--registered-1-b); |
| --unregistered-1-a:var(--registered-1-a,40px); |
| --unregistered-1-a:var(--registered-1-a); |
| left: var(--registered-1-a, 50px); |
| top: var(--registered-1-b, 60px); |
| } |
| </style> |
| <div id=test1></div> |
| <script> |
| test(function() { |
| CSS.registerProperty({name: '--registered-1-a', syntax: '<length>', initialValue: '1px', inherits: false}); |
| CSS.registerProperty({name: '--registered-1-b', syntax: '<length>', initialValue: '2px', inherits: false}); |
| CSS.registerProperty({name: '--registered-1-c', syntax: '<length>', initialValue: '3px', inherits: false}); |
| CSS.registerProperty({name: '--registered-1-d', syntax: '<length>', initialValue: '4px', inherits: false}); |
| |
| computedStyle = getComputedStyle(test1); |
| assert_equals(computedStyle.getPropertyValue('--registered-1-a'), '1px'); |
| assert_equals(computedStyle.getPropertyValue('--registered-1-b'), '2px'); |
| assert_equals(computedStyle.getPropertyValue('--registered-1-c'), '2px'); |
| assert_equals(computedStyle.getPropertyValue('--registered-1-d'), '2px'); |
| assert_equals(computedStyle.getPropertyValue('--unregistered-1-a'), '1px'); |
| assert_equals(computedStyle.left, '1px'); |
| assert_equals(computedStyle.top, '2px'); |
| }, "A var() cycle between two registered properties is handled correctly."); |
| </script> |
| |
| <style> |
| #test2 { |
| --registered-2-a: var(--unregistered-2-a, 10px); |
| --unregistered-2-a:var(--registered-2-a,20px); |
| |
| --registered-2-b: var(--registered-2-a, 30px); |
| --registered-2-c: var(--registered-2-a); |
| --registered-2-d: var(--unregistered-2-a, 40px); |
| --registered-2-e: var(--unregistered-2-a); |
| --unregistered-2-b:var(--registered-2-a,50px); |
| --unregistered-2-c:var(--registered-2-a); |
| --unregistered-2-d:var(--unregistered-2-a,60px); |
| --unregistered-2-e:var(--unregistered-2-a); |
| left: var(--registered-2-a, 70px); |
| top: var(--unregistered-2-a, 80px); |
| } |
| </style> |
| <div id=test2></div> |
| <script> |
| test(function() { |
| CSS.registerProperty({name: '--registered-2-a', syntax: '<length>', initialValue: '1px', inherits: false}); |
| CSS.registerProperty({name: '--registered-2-b', syntax: '<length>', initialValue: '2px', inherits: false}); |
| CSS.registerProperty({name: '--registered-2-c', syntax: '<length>', initialValue: '3px', inherits: false}); |
| CSS.registerProperty({name: '--registered-2-d', syntax: '<length>', initialValue: '4px', inherits: false}); |
| CSS.registerProperty({name: '--registered-2-e', syntax: '<length>', initialValue: '5px', inherits: false}); |
| |
| computedStyle = getComputedStyle(test2); |
| assert_equals(computedStyle.getPropertyValue('--registered-2-a'), '1px'); |
| assert_equals(computedStyle.getPropertyValue('--unregistered-2-a'), ''); |
| |
| assert_equals(computedStyle.getPropertyValue('--registered-2-b'), '1px'); |
| assert_equals(computedStyle.getPropertyValue('--registered-2-c'), '1px'); |
| assert_equals(computedStyle.getPropertyValue('--registered-2-d'), '40px'); |
| assert_equals(computedStyle.getPropertyValue('--registered-2-e'), '5px'); |
| assert_equals(computedStyle.getPropertyValue('--unregistered-2-b'), '1px'); |
| assert_equals(computedStyle.getPropertyValue('--unregistered-2-c'), '1px'); |
| assert_equals(computedStyle.getPropertyValue('--unregistered-2-d'), '60px'); |
| assert_equals(computedStyle.getPropertyValue('--unregistered-2-e'), ''); |
| assert_equals(computedStyle.left, '1px'); |
| assert_equals(computedStyle.top, '80px'); |
| }, "A var() cycle between a registered properties and an unregistered property is handled correctly."); |
| </script> |
| |
| <style> |
| #test3 { |
| --unregistered-3-a:var(--unregistered-3-b,10px); |
| --unregistered-3-b:var(--unregistered-3-a,20px); |
| |
| --registered-3-a: var(--unregistered-3-a, 30px); |
| --registered-3-b: var(--unregistered-3-a); |
| --registered-3-c: var(--unregistered-3-b, 40px); |
| --registered-3-d: var(--registered-3-c, 50px); |
| left: var(--registered-3-d, 60px); |
| top: var(--registered-3-b, 70px); |
| } |
| </style> |
| <div id=test3></div> |
| <script> |
| test(function() { |
| CSS.registerProperty({name: '--registered-3-a', syntax: '<length>', initialValue: '1px', inherits: false}); |
| CSS.registerProperty({name: '--registered-3-b', syntax: '<length>', initialValue: '2px', inherits: false}); |
| CSS.registerProperty({name: '--registered-3-c', syntax: '<length>', initialValue: '3px', inherits: false}); |
| CSS.registerProperty({name: '--registered-3-d', syntax: '<length>', initialValue: '4px', inherits: false}); |
| |
| computedStyle = getComputedStyle(test3); |
| assert_equals(computedStyle.getPropertyValue('--unregistered-3-a'), ''); |
| assert_equals(computedStyle.getPropertyValue('--unregistered-3-b'), ''); |
| |
| assert_equals(computedStyle.getPropertyValue('--registered-3-a'), '30px'); |
| assert_equals(computedStyle.getPropertyValue('--registered-3-b'), '2px'); |
| assert_equals(computedStyle.getPropertyValue('--registered-3-c'), '40px'); |
| assert_equals(computedStyle.getPropertyValue('--registered-3-d'), '40px'); |
| assert_equals(computedStyle.left, '40px'); |
| assert_equals(computedStyle.top, '2px'); |
| }, "A var() cycle between a two unregistered properties is handled correctly."); |
| </script> |
| |
| <style> |
| #test4 { |
| --registered-4-a:var(--unregistered-4-a,hello); |
| --unregistered-4-a:var(--registered-4-a,world); |
| |
| --registered-4-b:var(--unregistered-4-a,meow); |
| --registered-4-c:var(--unregistered-4-a); |
| --unregistered-4-b:var(--unregistered-4-a,woof); |
| --unregistered-4-c:var(--unregistered-4-a); |
| transition-property: var(--registered-4-a, water); |
| } |
| </style> |
| <div id=test4></div> |
| <script> |
| test(function() { |
| CSS.registerProperty({name: '--registered-4-a', syntax: '*', inherits: false}); |
| CSS.registerProperty({name: '--registered-4-b', syntax: '*', initialValue: 'moo', inherits: false}); |
| CSS.registerProperty({name: '--registered-4-c', syntax: '*', initialValue: 'circle', inherits: false}); |
| |
| computedStyle = getComputedStyle(test4); |
| assert_equals(computedStyle.getPropertyValue('--registered-4-a'), ''); |
| assert_equals(computedStyle.getPropertyValue('--unregistered-4-a'), ''); |
| |
| assert_equals(computedStyle.getPropertyValue('--registered-4-b'), 'meow'); |
| assert_equals(computedStyle.getPropertyValue('--registered-4-c'), ''); |
| assert_equals(computedStyle.getPropertyValue('--unregistered-4-b'), 'woof'); |
| assert_equals(computedStyle.getPropertyValue('--unregistered-4-c'), ''); |
| assert_equals(computedStyle.transitionProperty, 'water'); |
| }, "A var() cycle between a syntax:'*' property and an unregistered property is handled correctly."); |
| </script> |
| |
| <style> |
| #test5_parent { |
| --registered-5-c:foo; |
| --registered-5-d:bar; |
| --registered-5-e:baz; |
| color: green; |
| } |
| #test5 { |
| --registered-5-a:var(--registered-5-b,hello); |
| --registered-5-b:var(--registered-5-a,world); |
| |
| --registered-5-c:var(--registered-5-a); |
| --registered-5-d:var(--registered-5-b); |
| --registered-5-e:var(--unknown); |
| color: var(--registered-5-e); |
| } |
| </style> |
| <div id=test5_parent> |
| <div id=test5></div> |
| </div> |
| <script> |
| test(function() { |
| CSS.registerProperty({name: '--registered-5-a', syntax: '*', inherits: true}); |
| CSS.registerProperty({name: '--registered-5-b', syntax: '*', inherits: true}); |
| CSS.registerProperty({name: '--registered-5-c', syntax: '*', inherits: true}); |
| CSS.registerProperty({name: '--registered-5-d', syntax: '*', inherits: true}); |
| CSS.registerProperty({name: '--registered-5-e', syntax: '*', inherits: true}); |
| |
| let computedStyle = getComputedStyle(test5); |
| assert_equals(computedStyle.getPropertyValue('--registered-5-a'), ''); |
| assert_equals(computedStyle.getPropertyValue('--registered-5-b'), ''); |
| assert_equals(computedStyle.getPropertyValue('--registered-5-c'), ''); |
| assert_equals(computedStyle.getPropertyValue('--registered-5-d'), ''); |
| assert_equals(computedStyle.getPropertyValue('--registered-5-e'), ''); |
| assert_equals(computedStyle.getPropertyValue('color'), 'rgb(0, 128, 0)'); |
| }, "Custom properties with universal syntax become guaranteed-invalid when " + |
| "invalid at computed-value time"); |
| </script> |