зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1557540 [wpt PR 17218] - [cssom] Add test disallowing non-standard feature, a=testonly
Automatic update from web-platform-tests [cssom] Add test disallowing non-standard feature -- wpt-commits: 1cd7ddb3c21fbbeadb4b6485a8a24e19aa880de7 wpt-pr: 17218
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<!doctype html>
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<title>CSSOM test: no side effects from setting "height"</title>
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<link rel="help" href="https://drafts.csswg.org/cssom/#dom-cssstyledeclaration-setproperty">
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<link rel="help" href="https://bugs.webkit.org/show_bug.cgi?id=107380">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<p>
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Historically, the Apple Safari web browser has added an "intrinsic margin" to
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form controls which do not specify a `height`. It removed this margin following
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modification of the `height`. <a
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href="https://bugs.webkit.org/show_bug.cgi?id=107380">This non-standard
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behavior was identified as a source of confusion for web developers.</a>
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</p>
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<script>
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function makeElement(tagName) {
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var element = document.createElement(tagName);
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document.body.appendChild(element);
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return element;
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}
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function makeInputElement(type) {
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var element = makeElement('input');
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element.setAttribute('type', type);
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return element;
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}
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function measure(element) {
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var computed = getComputedStyle(element);
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return [computed.marginTop, computed.marginBottom];
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}
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test(function() {
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var element = makeInputElement('text');
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var initial = measure(element);
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element.style.setProperty('height', '12px');
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assert_array_equals(measure(element), initial);
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}, 'text input element');
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test(function() {
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var element = makeInputElement('button');
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var initial = measure(element);
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element.style.setProperty('height', '12px');
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assert_array_equals(measure(element), initial);
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}, 'button input element');
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test(function() {
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var element = makeInputElement('submit');
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var initial = measure(element);
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element.style.setProperty('height', '12px');
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assert_array_equals(measure(element), initial);
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}, 'submit input element');
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test(function() {
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var element = makeInputElement('radio');
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var initial = measure(element);
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element.style.setProperty('height', '12px');
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assert_array_equals(measure(element), initial);
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}, 'radio input element');
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test(function() {
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var element = makeInputElement('checkbox');
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var initial = measure(element);
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element.style.setProperty('height', '12px');
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assert_array_equals(measure(element), initial);
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}, 'checkbox input element');
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test(function() {
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var element = makeElement('textarea');
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var initial = measure(element);
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element.style.setProperty('height', '12px');
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assert_array_equals(measure(element), initial);
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}, 'textarea element');
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test(function() {
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var element = makeElement('select');
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var initial = measure(element);
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element.style.setProperty('height', '12px');
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assert_array_equals(measure(element), initial);
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}, 'select element');
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test(function() {
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var element = makeElement('button')
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var initial = measure(element);
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element.style.setProperty('height', '12px');
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assert_array_equals(measure(element), initial);
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}, 'button element');
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</script>
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