The Tor Browser: content/base/test/test

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /**

     2  * Test for Bug 493881: Changes to legacy HTML color properties before the BODY is loaded

     3  * should be ignored. Additionally, after BODY loads, setting any of these properties to undefined

     4  * should cause them to be returned as the string "undefined".

     5  */

     7 SimpleTest.waitForExplicitFinish();

     9 var legacyProps = ["fgColor", "bgColor", "linkColor", "vlinkColor", "alinkColor"];

    10 var testColors = ["blue", "silver", "green", "orange", "red"];

    11 var rgbTestColors = ["rgb(255, 0, 0)", "rgb(192, 192, 192)", "rgb(0, 128, 0)", "rgb(255, 165, 0)", "rgb(255, 0, 0)"];

    12 var idPropList = [ {id: "plaintext", prop: "color"},

    13                    {id: "body", prop: "background-color"},

    14                    {id: "nonvisitedlink", prop: "color"},

    15                    {id: "visitedlink", prop: "color"} ];

    16 var initialValues = [];

    18 function setAndTestProperty(prop, color) {

    19   var initial = document[prop];

    20   document[prop] = color;

    21   is(document[prop], initial, "document[" + prop + "] not ignored before body");

    22   return initial;

    23 }

    25 /**

    26  * Attempt to set legacy color properties before BODY exists, and verify that such

    27  * attempts are ignored.

    28  */

    29 for (var i = 0; i < legacyProps.length; i++) {

    30   initialValues[i] = setAndTestProperty(legacyProps[i], testColors[i]);

    31 }

    33 /**

    34  * After BODY loads, run some more tests.

    35  */

    36 addLoadEvent( function() {

    37   // Verify that the legacy color properties still have their original values.

    38   for (var i = 0; i < legacyProps.length; i++) {

    39     is(document[legacyProps[i]], initialValues[i], "document[" + legacyProps[i] + "] altered after body load");

    40   }

    42   // Verify that legacy color properties applied before BODY are really ignored when rendering.

    43   // Save current computed style colors for later use.

    44   for (i = 0; i < idPropList.length; i++) {

    45     var style = window.getComputedStyle(document.getElementById(idPropList[i].id), null);

    46     var color = style.getPropertyValue(idPropList[i].prop);

    47     idPropList[i].initialComputedColor = color;

    48     isnot(color, rgbTestColors[i], "element rendered using before-body style");

    49   }

    50   // XXX: Can't get links to visually activate via script events, so can't verify

    51   // that the alinkColor property was not applied.

    53   // Verify that setting legacy color props to undefined after BODY loads will cause them

    54   // to be read as the string "undefined".

    55   for (var i = 0; i < legacyProps.length; i++) {

    56     document[legacyProps[i]] = undefined;

    57     is(document[legacyProps[i]], "undefined",

    58       "Unexpected value of " + legacyProps[i] + " after setting to undefined");

    59   }

    61   // Verify that setting legacy color props to undefined led to result

    62   // of parsing undefined as a color.

    63   for (i = 0; i < idPropList.length; i++) {

    64     var style = window.getComputedStyle(document.getElementById(idPropList[i].id), null);

    65     var color = style.getPropertyValue(idPropList[i].prop);

    66     is(color, "rgb(0, 239, 14)",

    67       "element's style should get result of parsing undefined as a color");

    68   }

    70   // Mark the test as finished.

    71   setTimeout(SimpleTest.finish, 0);

    72 });

The Tor Browser / file revision