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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /custom-elements/reactions/CSSStyleDeclaration.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<head>
<title>Custom Elements: CEReactions on CSSStyleDeclaration interface</title>
<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
<meta name="assert" content="cssText, setProperty, setPropertyValue, setPropertyPriority, removeProperty, cssFloat, and all camel cased attributes of CSSStyleDeclaration interface must have CEReactions">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../resources/custom-elements-helpers.js"></script>
<script src="./resources/reactions.js"></script>
</head>
<body>
<div id="log"></div>
<script>
test_mutating_style_property_value(function (instance, propertyName, idlName, value) {
instance.style.cssText = `${propertyName}: ${value}`;
}, 'cssText on CSSStyleDeclaration');
test_mutating_style_property_value(function (instance, propertyName, idlName, value) {
instance.style.setProperty(propertyName, value);
}, 'setProperty on CSSStyleDeclaration');
test_mutating_style_property_priority(function (instance, propertyName, idlName, isImportant) {
instance.style.setProperty(propertyName, instance.style[idlName], isImportant ? 'important': '');
}, 'setProperty on CSSStyleDeclaration');
if (CSSStyleDeclaration.prototype.setPropertyValue) {
test_mutating_style_property_value(function (instance, propertyName, idlName, value) {
instance.style.setPropertyValue(propertyName, value);
}, 'setPropertyValue on CSSStyleDeclaration');
}
if (CSSStyleDeclaration.prototype.setPropertyPriority) {
test_mutating_style_property_priority(function (instance, propertyName, idlName, isImportant) {
instance.style.setPropertyPriority(propertyName, isImportant ? 'important': '');
}, 'setPropertyPriority on CSSStyleDeclaration');
}
test_removing_style_property_value(function (instance, propertyName, idlName) {
instance.style.removeProperty(propertyName);
}, 'removeProperty on CSSStyleDeclaration');
test(function () {
var element = define_new_custom_element(['style']);
var instance = document.createElement(element.name);
assert_array_equals(element.takeLog().types(), ['constructed']);
instance.style.cssFloat = 'left';
assert_equals(instance.getAttribute('style'), 'float: left;');
var logEntries = element.takeLog();
assert_array_equals(logEntries.types(), ['attributeChanged']);
assert_attribute_log_entry(logEntries.last(), {name: 'style', oldValue: null, newValue: 'float: left;', namespace: null});
}, 'cssFloat on CSSStyleDeclaration must enqueue an attributeChanged reaction when it adds the observed style attribute');
test(function () {
var element = define_new_custom_element([]);
var instance = document.createElement(element.name);
assert_array_equals(element.takeLog().types(), ['constructed']);
instance.style.cssFloat = 'left';
assert_equals(instance.getAttribute('style'), 'float: left;');
assert_array_equals(element.takeLog().types(), []);
}, 'cssFloat on CSSStyleDeclaration must not enqueue an attributeChanged reaction when it adds the style attribute but the style attribute is not observed');
test_mutating_style_property_value(function (instance, propertyName, idlName, value) {
assert_equals(idlName, 'borderWidth');
instance.style.borderWidth = value;
}, 'A camel case attribute (borderWidth) on CSSStyleDeclaration',
{propertyName: 'border-width', idlName: 'borderWidth', value1: '2px', value2: '4px'});
test_mutating_style_property_value(function (instance, propertyName, idlName, value) {
assert_equals(propertyName, 'border-width');
instance.style['border-width'] = value;
}, 'A dashed property (border-width) on CSSStyleDeclaration',
{propertyName: 'border-width', idlName: 'borderWidth', value1: '1px', value2: '5px'});
test_mutating_style_property_value(function (instance, propertyName, idlName, value) {
instance.style.webkitFilter = value;
}, 'A webkit prefixed camel case attribute (webkitFilter) on CSSStyleDeclaration',
{propertyName: 'filter', idlName: 'filter', value1: 'grayscale(20%)', value2: 'grayscale(30%)'});
test_mutating_style_property_value(function (instance, propertyName, idlName, value) {
instance.style['-webkit-filter'] = value;
}, 'A webkit prefixed dashed property (-webkit-filter) on CSSStyleDeclaration',
{propertyName: 'filter', idlName: 'filter', value1: 'grayscale(20%)', value2: 'grayscale(30%)'});
</script>
</body>
</html>