83 lines
2.8 KiB
HTML
83 lines
2.8 KiB
HTML
<!DOCTYPE html>
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<title>getComputedStyle for elements with css zoom</title>
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<link rel="author" title="Yotam Hacohen" href="mailto:yotha@chromium.org">
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<link rel="author" title="Google" href="http://www.google.com/">
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<link rel="help" href="https://drafts.csswg.org/css-viewport/">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<style>
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div {
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width: 64px;
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height: 64px;
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font-size: 64px;
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line-height: 64px;
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text-indent: 64px;
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background-color: blue
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}
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div.x4_zoom {
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zoom: 4.0;
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background-color: blueviolet;
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}
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div.x2_zoom {
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background-color: chartreuse;
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zoom: 2.0;
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}
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</style>
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</head>
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<body>
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<div id="no_zoom"></div>
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<div class="x4_zoom" id="with_zoom"></div>
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<div class="x2_zoom" id="parent_div">
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<div class="x4_zoom" id="nested_zoom"></div>
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</div>
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<div class="x2_zoom" id="testing_set_style"></div>
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<script>
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const LENGTH_PROPS = [
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"width",
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"height",
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"line-height",
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"text-indent",
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"font-size",
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];
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test(function() {
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assert_true(!!no_zoom, "no zoom target exists");
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assert_true(!!with_zoom, "zoom target exists");
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assert_true(!!nested_zoom, "zoom target exists");
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assert_true(!!parent_div, "parent div with zoom exists")
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});
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function assert_length_props(style, expected) {
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for (let prop of LENGTH_PROPS) {
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assert_equals(style.getPropertyValue(prop), expected, prop);
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}
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}
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test(function(){
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let noZoomStyle = getComputedStyle(no_zoom);
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assert_length_props(noZoomStyle, "64px");
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assert_equals(noZoomStyle.getPropertyValue("zoom"), "1");
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});
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test(function(){
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let withZoomStyle = getComputedStyle(with_zoom);
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assert_length_props(withZoomStyle, "64px");
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assert_equals(withZoomStyle.getPropertyValue("zoom"), "4");
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});
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test(function(){
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let parentWithZoomStyle = getComputedStyle(parent_div);
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assert_length_props(parentWithZoomStyle, "64px");
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assert_equals(parentWithZoomStyle.getPropertyValue("zoom"), "2");
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});
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test(function(){
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nestedZoomStyle = getComputedStyle(nested_zoom);
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assert_length_props(nestedZoomStyle, "64px");
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assert_equals(nestedZoomStyle.getPropertyValue("zoom"), "4");
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});
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test(function(){
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testDivStyle = getComputedStyle(testing_set_style);
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testing_set_style.setAttribute("style", LENGTH_PROPS.map(p => p + ": 1px").join(";"));
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assert_length_props(testDivStyle, "1px");
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assert_equals(testDivStyle.getPropertyValue("zoom"), "2");
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testing_set_style.setAttribute("style", LENGTH_PROPS.map(p => p + ": 64px").join(";"));
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assert_length_props(testDivStyle, "64px");
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assert_equals(testDivStyle.getPropertyValue("zoom"), "2");
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});
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</script>
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</body>
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