32 lines
1.5 KiB
HTML
32 lines
1.5 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>CSS Shadow Parts - Simple forward</title>
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<meta href="mailto:fergal@chromium.org" rel="author" title="Fergal Daly">
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<link href="http://www.google.com/" rel="author" title="Google">
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<link href="https://drafts.csswg.org/css-shadow-parts/" rel="help">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="support/shadow-helper.js"></script>
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</head>
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<body>
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<style>#c-e-outer::part(part-forwarded) { color: green; }</style>
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<script>installCustomElement("custom-element-inner", "custom-element-inner-template");</script>
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<template id="custom-element-inner-template">
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<style>span { color: red; }</style>
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<span id="green_part" part="partp">This text</span>
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</template>
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<script>installCustomElement("custom-element-outer", "custom-element-outer-template");</script>
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<template id="custom-element-outer-template"><custom-element-inner id="c-e-inner" exportparts="partp: part-forwarded"></custom-element-inner></template>
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The following text should be green:
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<custom-element-outer id="c-e-outer"></custom-element-outer>
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<script>
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"use strict";
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const colorGreen = "rgb(0, 128, 0)";
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test(function() {
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const el = getElementByShadowIds(document, ["c-e-outer", "c-e-inner", "green_part"]);
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assert_equals(window.getComputedStyle(el).color, colorGreen);
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}, "Part in inner host is forwarded for styling by document style sheet");
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</script>
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</body>
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</html>
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