Quelle rgba-011.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/testing/web-platform/tests/css/css-values/rgba-011.html

<!DOCTYPE html>

  <meta charset="UTF-8">

  <title>CSS Values and Units Test: rgba() function syntax (complex)</title>

  <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
  <link rel="help" href="https://www.w3.org/TR/css-color-3/#rgba-color">
  <link rel="help" href="https://www.w3.org/TR/css-color-4/#rgb-functions">
  <link rel="help" href="https://www.w3.org/TR/css-values-4/#combine-integers">

  <meta name="assert" content="This test checks the syntax allowed by rgba() function. White space characters, instead of commas, are allowed between numerical values. can be omitted for rgba() function, in which case it must defaults to 100%. Finally, rgba() function can take real numbers but their computed values will be rounded to the nearest integer, with values halfway between adjacent integers rounded towards positive infinity.">

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

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

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

  <div id="target"></div>

  <script>
  function startTesting()
  {

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

    function compareValue(property_name, calcValue, expectedValue, description)
    {

    test(function()
      {

      targetElement.style.setProperty(property_name, calcValue);

      var computedCalcValue = getComputedStyle(targetElement)[property_name];

      targetElement.style.setProperty(property_name, expectedValue);

      var computedExpectedValue = getComputedStyle(targetElement)[property_name];

      assert_equals(computedCalcValue, computedExpectedValue);

      }, description);
    }

    compareValue("background-color", "rgba(0.4 127.5 0.3)", "rgb(0, 128, 0)", "testing background-color: rgba(0.4 127.5 0.3)");

  }

  startTesting();

  </script>

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