css-style-declaration-modifications.html

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This WPT test may be referenced by the following Test IDs:
- /css/cssom/css-style-declaration-modifications.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

 <head>

  <title>CSS Test: CSSStyleDeclaration Interface</title>

  <link rel="author" title="Bear Travis" href="mailto:betravis@adobe.com">

  <link rel="help" href="http://www.w3.org/TR/cssom-1/#the-cssstyledeclaration-interface">

  <meta name="flags" content="dom">

  <meta name="assert" content="CSSStyleDeclaration is properly initialized and can be modified through its interface">

  <script src="/resources/testharness.js" type="text/javascript"></script>

  <script src="/resources/testharnessreport.js" type="text/javascript"></script>

  <style id="styleElement">

      #test { color: green; }

  </style>

 </head>

 <body>

 <div id="log"></div>

 <div id="test"></div>

 <script type="text/javascript">

    var declaration;

    setup(function() {

        var styleElement = document.getElementById("styleElement");

        declaration = styleElement.sheet.cssRules.item(0).style;

});

    test(function() {

        assert_equals(declaration.cssText, "color: green;");

        assert_equals(declaration.getPropertyValue("color"), "green");

    }, "Reading CSSStyleDeclaration initialized from a style element");

    test(function() {

        declaration.cssText = "margin-left:10px;  padding-left:10px";

        assert_equals(declaration.cssText, "margin-left: 10px; padding-left: 10px;");

        assert_equals(declaration.length, 2);

        assert_equals(declaration.item(0), "margin-left");

        assert_equals(declaration.item(1), "padding-left");

        assert_equals(declaration.getPropertyValue("margin-left"), "10px");

        assert_equals(declaration.getPropertyValue("padding-left"), "10px");

        var computedStyle = window.getComputedStyle(document.getElementById("test"));

        assert_equals(computedStyle.getPropertyValue("margin-left"), "10px");

        assert_equals(computedStyle.getPropertyValue("padding-left"), "10px");

    }, "Setting CSSStyleDeclaration#cssText");

    test(function() {

        while (declaration.length > 0) {

            declaration.removeProperty(declaration.item(0));

        declaration.setProperty("margin-left", "15px");

        declaration.setProperty("padding-left", "15px");

        assert_equals(declaration.length, 2);

        assert_equals(declaration.item(0), "margin-left");

        assert_equals(declaration.item(1), "padding-left");

        assert_equals(declaration.getPropertyValue("margin-left"), "15px");

        assert_equals(declaration.getPropertyValue("padding-left"), "15px");

        var computedStyle = window.getComputedStyle(document.getElementById("test"));

        assert_equals(computedStyle.getPropertyValue("margin-left"), "15px");

        assert_equals(computedStyle.getPropertyValue("padding-left"), "15px");

    }, "Calling CSSStyleDeclaration#setProperty");

    test(function() {

        declaration.setProperty("background-color", "red", "ImPoRtAnt");

        assert_equals(declaration.getPropertyPriority("background-color"), "important");

    }, "setProperty priority should be case-insensitive");

 </script>

 </body>

</html>