The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/content/base/test/test_bug493881.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,72 @@
     1.4 +/** 
     1.5 + * Test for Bug 493881: Changes to legacy HTML color properties before the BODY is loaded
     1.6 + * should be ignored. Additionally, after BODY loads, setting any of these properties to undefined 
     1.7 + * should cause them to be returned as the string "undefined".
     1.8 + */
     1.9 +
    1.10 +SimpleTest.waitForExplicitFinish();
    1.11 +
    1.12 +var legacyProps = ["fgColor", "bgColor", "linkColor", "vlinkColor", "alinkColor"];
    1.13 +var testColors = ["blue", "silver", "green", "orange", "red"];
    1.14 +var rgbTestColors = ["rgb(255, 0, 0)", "rgb(192, 192, 192)", "rgb(0, 128, 0)", "rgb(255, 165, 0)", "rgb(255, 0, 0)"];
    1.15 +var idPropList = [ {id: "plaintext", prop: "color"},
    1.16 +                   {id: "body", prop: "background-color"},
    1.17 +                   {id: "nonvisitedlink", prop: "color"},
    1.18 +                   {id: "visitedlink", prop: "color"} ];
    1.19 +var initialValues = [];
    1.20 +
    1.21 +function setAndTestProperty(prop, color) {
    1.22 +  var initial = document[prop];
    1.23 +  document[prop] = color;
    1.24 +  is(document[prop], initial, "document[" + prop + "] not ignored before body");
    1.25 +  return initial;
    1.26 +}
    1.27 +
    1.28 +/**
    1.29 + * Attempt to set legacy color properties before BODY exists, and verify that such
    1.30 + * attempts are ignored.
    1.31 + */
    1.32 +for (var i = 0; i < legacyProps.length; i++) {
    1.33 +  initialValues[i] = setAndTestProperty(legacyProps[i], testColors[i]);
    1.34 +}
    1.35 +
    1.36 +/**
    1.37 + * After BODY loads, run some more tests.
    1.38 + */
    1.39 +addLoadEvent( function() {
    1.40 +  // Verify that the legacy color properties still have their original values.
    1.41 +  for (var i = 0; i < legacyProps.length; i++) {
    1.42 +    is(document[legacyProps[i]], initialValues[i], "document[" + legacyProps[i] + "] altered after body load");
    1.43 +  }
    1.44 +  
    1.45 +  // Verify that legacy color properties applied before BODY are really ignored when rendering.
    1.46 +  // Save current computed style colors for later use.
    1.47 +  for (i = 0; i < idPropList.length; i++) {
    1.48 +    var style = window.getComputedStyle(document.getElementById(idPropList[i].id), null);
    1.49 +    var color = style.getPropertyValue(idPropList[i].prop);
    1.50 +    idPropList[i].initialComputedColor = color;
    1.51 +    isnot(color, rgbTestColors[i], "element rendered using before-body style");
    1.52 +  }
    1.53 +  // XXX: Can't get links to visually activate via script events, so can't verify
    1.54 +  // that the alinkColor property was not applied.
    1.55 +  
    1.56 +  // Verify that setting legacy color props to undefined after BODY loads will cause them
    1.57 +  // to be read as the string "undefined".
    1.58 +  for (var i = 0; i < legacyProps.length; i++) {
    1.59 +    document[legacyProps[i]] = undefined;
    1.60 +    is(document[legacyProps[i]], "undefined", 
    1.61 +      "Unexpected value of " + legacyProps[i] + " after setting to undefined");
    1.62 +  }
    1.63 +  
    1.64 +  // Verify that setting legacy color props to undefined led to result
    1.65 +  // of parsing undefined as a color.
    1.66 +  for (i = 0; i < idPropList.length; i++) {
    1.67 +    var style = window.getComputedStyle(document.getElementById(idPropList[i].id), null);
    1.68 +    var color = style.getPropertyValue(idPropList[i].prop);
    1.69 +    is(color, "rgb(0, 239, 14)", 
    1.70 +      "element's style should get result of parsing undefined as a color");
    1.71 +  }
    1.72 +
    1.73 +  // Mark the test as finished.
    1.74 +  setTimeout(SimpleTest.finish, 0);
    1.75 +});