The Tor Browser: layout/style/test/test_inherit

     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 'inherit' on all properties and 'unset' on inherited 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 'inherit' on all

    24     properties and 'unset' on inherited 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 = ["inherit"];

    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          "consistency between decl.getPropertyValue('" + sproperty + "') and decl." + sinfo.domProp);

    45     }

    46     check_initial(property);

    47     if ("subproperties" in info)

    48       for (var idx in info.subproperties)

    49         check_initial(info.subproperties[idx]);

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

    53     function check_set(sproperty) {

    54       var sinfo = gCSSProperties[sproperty];

    55       val = gDeclaration.getPropertyValue(sproperty);

    56       is(val, keyword,

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

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

    59          "consistency between decl.getPropertyValue('" + sproperty +

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

    61     }

    62     check_set(property);

    63     if ("subproperties" in info)

    64       for (var idx in info.subproperties)

    65         check_set(info.subproperties[idx]);

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

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

    69     if ("alias_for" in info) {

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

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

    72     } else {

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

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

    75     }

    77     gDeclaration.removeProperty(property);

    79     function check_final(sproperty) {

    80       var sinfo = gCSSProperties[sproperty];

    81       var val = gDeclaration.getPropertyValue(sproperty);

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

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

    84          "consistency between decl.getPropertyValue('" + sproperty + "') and decl." + sinfo.domProp);

    85     }

    86     check_final(property);

    87     if ("subproperties" in info)

    88       for (var idx in info.subproperties)

    89         check_final(info.subproperties[idx]);

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

    92     function test_remove_all_properties(property, value) {

    93       var i, p = [];

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

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

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

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

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

    99     }

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

   102     if (info.type != CSS_TYPE_LONGHAND) {

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

   104       test_remove_all_properties(property, keyword);

   105       gDeclaration.removeProperty(property);

   106     }

   107   });

   108 }

   110 for (var prop in gCSSProperties)

   111   test_property(prop);

   113 </script>

   114 </pre>

   115 </body>

   116 </html>

The Tor Browser / file revision