The Tor Browser: layout/style/test/test_initial

     1 <!DOCTYPE HTML>

     2 <html>

     3 <!--

     4 https://bugzilla.mozilla.org/show_bug.cgi?id=375363

     5 -->

     6 <head>

     7   <title>Test for parsing, storage, and serialization of CSS 'initial' on all properties and 'unset' on reset properties</title>

     8   <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>

     9   <script type="text/javascript" src="property_database.js"></script>

    10   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />

    11 </head>

    12 <body>

    13 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=375363">Mozilla Bug 375363</a>

    14 <p id="display"></p>

    15 <div id="content" style="display: none">

    17 <div id="testnode"></div>

    19 </div>

    20 <pre id="test">

    21 <script class="testbody" type="text/javascript">

    23 /** Test for parsing, storage, and serialization of CSS 'initial' on all

    24     properties and 'unset' on reset properties **/

    26 var gDeclaration = document.getElementById("testnode").style;

    28 var gTestUnset = SpecialPowers.getBoolPref("layout.css.unset-value.enabled");

    30 function test_property(property)

    31 {

    32   var info = gCSSProperties[property];

    34   var keywords = ["initial"];

    35   if (!info.inherited && gTestUnset)

    36     keywords.push("unset");

    38   keywords.forEach(function(keyword) {

    39     function check_initial(sproperty) {

    40       var sinfo = gCSSProperties[sproperty];

    41       var val = gDeclaration.getPropertyValue(sproperty);

    42       is(val, "", "value of '" + sproperty + "' before we do anything");

    43       is(val, gDeclaration[sinfo.domProp],

    44          "(initial) consistency between decl.getPropertyValue('" + sproperty +

    45          "') and decl." + sinfo.domProp);

    46     }

    47     check_initial(property);

    48     if ("subproperties" in info)

    49       for (var idx in info.subproperties)

    50         check_initial(info.subproperties[idx]);

    52     gDeclaration.setProperty(property, keyword, "");

    54     function check_set(sproperty) {

    55       var sinfo = gCSSProperties[sproperty];

    56       val = gDeclaration.getPropertyValue(sproperty);

    57       is(val, keyword,

    58          keyword + " reported back for property '" + sproperty + "'");

    59       is(val, gDeclaration[sinfo.domProp],

    60          "(set) consistency between decl.getPropertyValue('" + sproperty +

    61          "') and decl." + sinfo.domProp);

    62     }

    63     check_set(property);

    64     if ("subproperties" in info)

    65       for (var idx in info.subproperties)

    66         check_set(info.subproperties[idx]);

    68     // We don't care particularly about the whitespace or the placement of

    69     // semicolons, but for simplicity we'll test the current behavior.

    70     if ("alias_for" in info) {

    71       is(gDeclaration.cssText, info.alias_for + ": " + keyword + ";",

    72         "declaration should serialize to exactly what went in (for " + keyword + ")");

    73     } else {

    74       is(gDeclaration.cssText, property + ": " + keyword + ";",

    75         "declaration should serialize to exactly what went in (for " + keyword + ")");

    76     }

    78     gDeclaration.removeProperty(property);

    80     function check_final(sproperty) {

    81       var sinfo = gCSSProperties[sproperty];

    82       var val = gDeclaration.getPropertyValue(sproperty);

    83       is(val, "", "value of '" + sproperty + "' after removal of value");

    84       is(val, gDeclaration[sinfo.domProp],

    85          "(final) consistency between decl.getPropertyValue('" + sproperty +

    86          "') and decl." + sinfo.domProp);

    87     }

    88     check_final(property);

    89     if ("subproperties" in info)

    90       for (var idx in info.subproperties)

    91         check_final(info.subproperties[idx]);

    93     // can all properties be removed from the style?

    94     function test_remove_all_properties(property, value) {

    95       var i, p = [];

    96       for (i = 0; i < gDeclaration.length; i++) p.push(gDeclaration[i]);

    97       for (i = 0; i < p.length; i++) gDeclaration.removeProperty(p[i]);

    98       var errstr = "when setting property " + property + " to " + value;

    99       is(gDeclaration.length, 0, "unremovable properties " + errstr);

   100       is(gDeclaration.cssText, "", "non-empty serialization after removing all properties " + errstr);

   101     }

   103     // sanity check shorthands to make sure disabled props aren't exposed

   104     if (info.type != CSS_TYPE_LONGHAND) {

   105       gDeclaration.setProperty(property, keyword, "");

   106       test_remove_all_properties(property, keyword);

   107       gDeclaration.removeProperty(property);

   108     }

   109   });

   110 }

   112 for (var prop in gCSSProperties)

   113   test_property(prop);

   115 </script>

   116 </pre>

   117 </body>

   118 </html>

The Tor Browser / file revision