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Unified Diff: third_party/WebKit/LayoutTests/custom-properties/var-reference-registered-properties-cycles.html

Issue 2358203003: CSS Properties and Values API: Use initial value where appropriate for var() (Closed)
Patch Set: bla Created 4 years, 3 months ago
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Index: third_party/WebKit/LayoutTests/custom-properties/var-reference-registered-properties-cycles.html
diff --git a/third_party/WebKit/LayoutTests/custom-properties/var-reference-registered-properties-cycles.html b/third_party/WebKit/LayoutTests/custom-properties/var-reference-registered-properties-cycles.html
new file mode 100644
index 0000000000000000000000000000000000000000..2e5039f729c912aa10d8bd1da1e8cc2f57b5f115
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/custom-properties/var-reference-registered-properties-cycles.html
@@ -0,0 +1,144 @@
+<!DOCTYPE HTML>
+<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'});
+ CSS.registerProperty({name: '--registered-1-b', syntax: '<length>', initialValue: '2px'});
+ CSS.registerProperty({name: '--registered-1-c', syntax: '<length>', initialValue: '3px'});
+ CSS.registerProperty({name: '--registered-1-d', syntax: '<length>', initialValue: '4px'});
+
+ 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'});
+ CSS.registerProperty({name: '--registered-2-b', syntax: '<length>', initialValue: '2px'});
+ CSS.registerProperty({name: '--registered-2-c', syntax: '<length>', initialValue: '3px'});
+ CSS.registerProperty({name: '--registered-2-d', syntax: '<length>', initialValue: '4px'});
+ CSS.registerProperty({name: '--registered-2-e', syntax: '<length>', initialValue: '5px'});
+
+ 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'});
+ CSS.registerProperty({name: '--registered-3-b', syntax: '<length>', initialValue: '2px'});
+ CSS.registerProperty({name: '--registered-3-c', syntax: '<length>', initialValue: '3px'});
+ CSS.registerProperty({name: '--registered-3-d', syntax: '<length>', initialValue: '4px'});
+
+ 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: '*'});
+ CSS.registerProperty({name: '--registered-4-b', syntax: '*', initialValue: 'moo'});
+ CSS.registerProperty({name: '--registered-4-c', syntax: '*', initialValue: 'circle'});
+
+ 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'), 'circle');
+ 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>
« no previous file with comments | « third_party/WebKit/LayoutTests/custom-properties/var-reference-registered-properties.html ('k') | third_party/WebKit/Source/core/css/CSSSyntaxDescriptor.h » ('j') | third_party/WebKit/Source/core/css/resolver/CSSVariableResolver.cpp » ('J')

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