variable-reference-cssom.html

mozilla-central/testing/web-platform/tests/css/css-variables/variable-reference-cssom.html

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Test Info:

This WPT test may be referenced by the following Test IDs:
- /css/css-variables/variable-reference-cssom.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

<head>

    <title>CSS variable references - via CSSOM</title>

    <meta rel="author" title="Kevin Babbitt">

    <meta rel="author" title="Greg Whitworth">

    <link rel="author" title="Microsoft Corporation" href="http://microsoft.com" />

    <!-- This is not directly specified in the spec but should work -->

    <link rel="help" href="http://www.w3.org/TR/css-variables-1/#defining-variables">

    <script src="/resources/testharness.js"></script>

    <script src="/resources/testharnessreport.js"></script>

</head>

<body>

<div id="target1"></div>

<div id="target2" style="background-color: red;"></div>

<script type="text/javascript">

    "use strict";

    // This test verifies that variable references are usable when set via CSSOM calls.

    function TestCssom() {

        var target = document.getElementById("target1");

        target.style.setProperty("background-color", "var(--prop)");

        assert_equals(target.style.backgroundColor, "var(--prop)", "background-color property value after calling setProperty");

        assert_equals(target.style.getPropertyValue("background-color"), "var(--prop)", "getPropertyValue('background-color') after calling setProperty");

        target.style.removeProperty("background-color");

        assert_equals(target.style.backgroundColor, "", "background-color property value after calling removeProperty");

        assert_equals(target.style.getPropertyValue("background-color"), "", "getPropertyValue('background-color') after calling removeProperty");

    function TestCssomOverridingMarkup() {

        var target = document.getElementById("target1");

        target.style.setProperty("background-color", "var(--prop)");

        assert_equals(target.style.backgroundColor, "var(--prop)", "background-color property value after calling setProperty");

        assert_equals(target.style.getPropertyValue("background-color"), "var(--prop)", "getPropertyValue('background-color') after calling setProperty");

        target.style.removeProperty("background-color");

        assert_equals(target.style.backgroundColor, "", "background-color property value after calling removeProperty");

        assert_equals(target.style.getPropertyValue("background-color"), "", "getPropertyValue('background-color') after calling removeProperty");

    test(TestCssom, "Verify correct results using CSSOM");

    test(TestCssomOverridingMarkup, "Verify correct results with CSSOM overriding markup-set values");

</script>

</body>

</html>