layout/style/test/test_bug1112014.html
author Tom Tromey <tromey@mozilla.com>
Wed, 29 Apr 2015 09:11:00 -0400
changeset 271906 b242594427fd4d353440287b7fdb00f4b847775a
permissions -rw-r--r--
Bug 1112014 - Avoid false negatives in CssPropertySupportsType. r=heycam IGNORE IDL

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1112014
-->
<head>
  <meta charset="utf-8">
  <title>Test for Bug 1112014</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="property_database.js"></script>
  <script type="application/javascript;version=1.7">

  let utils = SpecialPowers.Cc["@mozilla.org/inspector/dom-utils;1"]
    .getService(SpecialPowers.Ci.inIDOMUtils);

  // This holds a canonical test value for each TYPE_ constant.
  let testValues = {
    TYPE_LENGTH: "10px",
    TYPE_PERCENTAGE: "50%",
    TYPE_COLOR: "rgb(3,3,3)",
    TYPE_URL: "url(mozilla.org)",
    TYPE_ANGLE: "90deg",
    TYPE_FREQUENCY: "10kHz",
    TYPE_TIME: "1000ms",
    TYPE_GRADIENT: "linear-gradient( 45deg, blue, red )",
    TYPE_TIMING_FUNCTION: "cubic-bezier(0.1, 0.7, 1.0, 0.1)",
    TYPE_IMAGE_RECT: "-moz-image-rect(url(firefox.jpg), 5%, 5%, 10%, 10%)",
    TYPE_NUMBER: "42"
  };

  // The canonical test values don't work for all properties, in
  // particular some shorthand properties.  For these cases we have
  // override values.
  let overrideValues = {
    "font": {
      TYPE_LENGTH: "10px san-serif",
      TYPE_PERCENTAGE: "50% san-serif",
      TYPE_NUMBER: "24px/1.5 san-serif"
    },
    "border-image": {
      TYPE_LENGTH: "url(/somewhere) 30% / 30px stretch",
      TYPE_IMAGE_RECT: testValues.TYPE_IMAGE_RECT + " 30 30 stretch"
    },
    "-moz-border-image": {
      TYPE_LENGTH: "url(/somewhere) 30% / 30px stretch",
      TYPE_IMAGE_RECT: testValues.TYPE_IMAGE_RECT + " 30 30 stretch"
    },
    "box-shadow": {
      TYPE_LENGTH: "2px 2px",
      TYPE_COLOR: testValues.TYPE_COLOR + " 2px 2px"
    },
    "text-shadow": {
      TYPE_LENGTH: "2px 2px",
      TYPE_COLOR: testValues.TYPE_COLOR + " 2px 2px"
    },
    "font-weight": {
      TYPE_NUMBER: "400"
    },
    "grid-template": {
      TYPE_LENGTH: "'something' 23px",
      TYPE_PERCENTAGE: "'something' 23%"
    },
    "grid": {
      TYPE_LENGTH: "'something' 23px",
      TYPE_PERCENTAGE: "'something' 23%"
    },
  };


  // Ensure that all the TYPE_ constants have a representative
  // test value, to try to ensure that this test is updated
  // whenever a new type is added.
  let reps = [];
  for (let tc in utils) {
    if (/TYPE_/.test(tc)) {
      if (!(tc in testValues)) {
	reps.push(tc);
      }
    }
  }
  is(reps.join(","), "", "all types have representative test value");

  for (let propertyName in gCSSProperties) {
    let prop = gCSSProperties[propertyName];
    if (prop.backend_only) {
      // These aren't interesting to us.
      continue;
    }

    for (let iter in testValues) {
      let testValue = testValues[iter];
      if (propertyName in overrideValues &&
	  iter in overrideValues[propertyName]) {
	testValue = overrideValues[propertyName][iter];
      }

      let supported =
        utils.cssPropertySupportsType(propertyName, utils[iter]);
      let parsed = utils.cssPropertyIsValid(propertyName, testValue);
      is(supported, parsed, propertyName + " supports " + iter);
    }
  }

  // Regression test for an assertion failure in an earlier version of
  // the code.  Note that cssPropertySupportsType returns false for
  // all types for a variable.
  ok(!utils.cssPropertySupportsType("--variable", utils.TYPE_COLOR),
     "cssPropertySupportsType returns false for variable");

  </script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1112014">Mozilla Bug 1112014</a>
<p id="display"></p>
<div id="content" style="display: none">

</div>
<pre id="test">
</pre>
</body>
</html>