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https://gitlab.winehq.org/wine/wine-gecko.git
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339 lines
11 KiB
HTML
339 lines
11 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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-->
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<head>
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<title>Test for parsing, storage, and serialization of CSS values</title>
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<script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="text/javascript" src="property_database.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<p id="display"></p>
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<div id="content" style="display: none">
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<div id="testnode"></div>
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</div>
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<pre id="test">
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<script class="testbody" type="text/javascript">
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/** Test for parsing, storage, and serialization of CSS values **/
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/*
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* The idempotence tests here deserve a little bit of explanation. What
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* we're testing here are the following operations:
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* parse: string -> CSS rule
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* serialize: CSS rule -> string (normalization 1)
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* (this actually has two variants that go through partly different
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* codepaths, which we exercise with getPropertyValue and cssText)
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* compute: CSS rule -> computed style
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* cserialize: computed style -> string (normalization 2)
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*
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* Both serialize and cserialize do some normalization, so we can't test
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* for pure round-tripping, and we also can't compare their output since
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* they could normalize differently. (We might at some point in the
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* future want to guarantee that any output of cserialize is
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* untouched by going through parse+serialize, though.)
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*
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* So we test idempotence of parse + serialize by running the whole
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* operation twice. Likewise for parse + compute + cserialize.
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*
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* Slightly more interestingly, we test that serialize + parse is the
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* identity transform by comparing the output of parse + compute +
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* cserialize to the output of parse + serialize + parse + compute +
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* cserialize.
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*/
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var gShorthandsWithoutCondensingSerialize = {
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"-moz-border-radius": true,
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"-moz-outline-radius": true,
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"background": true, // really there, but not complete
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"cue": true,
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"font": true,
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"list-style": true,
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"outline": true,
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"pause": true,
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};
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var gNotAccepted = {
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"-moz-column-width": [ "50%" ],
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"list-style": [ "none disc outside" ],
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};
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var gSystemFont = {
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"caption": true,
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"icon": true,
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"menu": true,
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"message-box": true,
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"small-caption": true,
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"status-bar": true,
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};
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var gBadCompute = {
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// output wrapped around to positive, in exponential notation
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"-moz-box-ordinal-group": [ "-1", "-1000" ],
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};
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var gShortenableValues = {
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"border-color": [ "currentColor currentColor currentcolor CURRENTcolor" ],
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"border-style": [ "none none none none", "groove none none none", "none none double none" ],
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};
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function xfail_accepted(property, value)
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{
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if (property in gNotAccepted &&
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gNotAccepted[property].indexOf(value) != -1)
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return true;
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return false;
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}
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function xfail_accepted_split(property, subprop, value)
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{
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if (property in gNotAccepted &&
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gNotAccepted[property].indexOf(value) != -1)
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return true;
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return false;
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}
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function xfail_ser_val(property, value)
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{
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if (property != "font" && xfail_accepted(property, value))
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// We already failed the first test, which will make us always pass this
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// one.
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return false;
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if (property in gShorthandsWithoutCondensingSerialize)
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return true;
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// We output unneeded -moz-use-text-color only in the value getter and
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// not the serialization.
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// XXXbz is there any way we could actually filter for that, so that colors
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// other than green could be used in the property database here?
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if ((property.match(/^border(|-bottom|-left|-right|-top)$/) ||
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property.match(/^-moz-border(|-start|-end)$/)) &&
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!value.match(/(green|currentcolor)/i))
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return true;
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// We condense multiple values in the serialization, but not in the
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// value getter.
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if (property.match(/^(border-(color|style|width)|margin|padding)$/) &&
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value.split(" ").length != 4)
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return true;
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if (property in gShortenableValues &&
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gShortenableValues[property].indexOf(value) != -1)
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return true;
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return false;
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}
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function xfail_idparseser(property, value)
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{
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if (property != "font" && xfail_accepted(property, value))
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// We already failed the first test, which will make us always pass this
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// one.
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return false;
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return false;
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}
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function xfail_idserparse_compute(property, value)
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{
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return false;
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}
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function xfail_idsersplitparse_compute(property, subprop, value, step1subcomp)
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{
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return false;
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}
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function xfail_idparsesplitser(property, value)
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{
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return false;
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}
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function xfail_compute(property, value)
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{
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if (property in gBadCompute &&
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gBadCompute[property].indexOf(value) != -1)
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return true;
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return false;
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}
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function xfail_split_compute(property, value)
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{
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return false;
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}
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var gElement = document.getElementById("testnode");
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var gDeclaration = gElement.style;
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var gComputedStyle = window.getComputedStyle(gElement, "");
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function test_property(property)
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{
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var info = gCSSProperties[property];
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var test_computed = !("backend_only" in info);
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function test_value(value) {
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gDeclaration.setProperty(property, value, "");
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var idx, func;
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var step1val = gDeclaration.getPropertyValue(property);
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var step1vals = [];
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var step1ser = gDeclaration.cssText;
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if ("subproperties" in info)
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for (idx in info.subproperties)
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step1vals.push(gDeclaration.getPropertyValue(info.subproperties[idx]));
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var step1comp;
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var step1comps = [];
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if (test_computed && info.type != CSS_TYPE_TRUE_SHORTHAND)
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step1comp = gComputedStyle.getPropertyValue(property);
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if (test_computed && "subproperties" in info)
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for (idx in info.subproperties)
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step1comps.push(gComputedStyle.getPropertyValue(info.subproperties[idx]));
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func = xfail_accepted(property, value) ? todo_isnot : isnot;
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func(step1val, "", "setting '" + value + "' on '" + property + "'");
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if ("subproperties" in info)
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for (idx in info.subproperties) {
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var subprop = info.subproperties[idx];
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func = xfail_accepted_split(property, subprop, value)
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? todo_isnot : isnot;
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func(gDeclaration.getPropertyValue(subprop), "",
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"setting '" + value + "' on '" + property + "'");
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}
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// We don't care particularly about the whitespace or the placement of
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// semicolons, but for simplicity we'll test the current behavior.
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func = xfail_ser_val(property, value) ? todo_is : is;
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var expected_serialization = "";
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if (step1val != "")
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expected_serialization = property + ": " + step1val + ";";
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func(step1ser, expected_serialization,
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"serialization should match property value");
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gDeclaration.removeProperty(property);
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gDeclaration.setProperty(property, step1val, "");
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func = xfail_idparseser(property, value) ? todo_is : is;
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func(gDeclaration.getPropertyValue(property), step1val,
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"parse+serialize should be idempotent for '" +
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property + ": " + value + "'");
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if (test_computed && info.type != CSS_TYPE_TRUE_SHORTHAND) {
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func = xfail_idserparse_compute(property, value) ? todo_is : is;
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func(gComputedStyle.getPropertyValue(property), step1comp,
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"serialize+parse should be identity transform for '" +
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property + ": " + value + "'");
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}
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if ("subproperties" in info &&
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// Using setProperty over subproperties is not sufficient for
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// system fonts, since the shorthand does more than its parts.
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(property != "font" || !(value in gSystemFont))) {
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gDeclaration.removeProperty(property);
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for (idx in info.subproperties) {
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var subprop = info.subproperties[idx];
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gDeclaration.setProperty(subprop, step1vals[idx], "");
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}
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// Now that all the subprops are set, check their values. Note that we
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// need this in a separate loop, in case parts of the shorthand affect
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// the computed values of other parts.
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for (idx in info.subproperties) {
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var subprop = info.subproperties[idx];
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if (test_computed && !("backend_only" in gCSSProperties[subprop])) {
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func =
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xfail_idsersplitparse_compute(property, subprop, value, step1comps[idx])
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? todo_is : is;
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func(gComputedStyle.getPropertyValue(subprop), step1comps[idx],
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"serialize(" + subprop + ")+parse should be the identity " +
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"transform for '" + property + ": " + value + "'");
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}
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}
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func = xfail_idparsesplitser(property, value) ? todo_is : is;
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func(gDeclaration.getPropertyValue(property), step1val,
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"parse+split+serialize should be idempotent for '" +
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property + ": " + value + "'");
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}
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if (test_computed && info.type != CSS_TYPE_TRUE_SHORTHAND) {
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gDeclaration.removeProperty(property);
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gDeclaration.setProperty(property, step1comp, "");
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func = xfail_compute(property, value) ? todo_is : is;
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func(gComputedStyle.getPropertyValue(property), step1comp,
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"parse+compute+serialize should be idempotent for '" +
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property + ": " + value + "'");
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}
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if (test_computed && "subproperties" in info) {
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gDeclaration.removeProperty(property);
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for (idx in info.subproperties) {
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var subprop = info.subproperties[idx];
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if ("backend_only" in gCSSProperties[subprop])
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continue;
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gDeclaration.setProperty(subprop, step1comps[idx], "");
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}
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// Now that all the subprops are set, check their values. Note that we
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// need this in a separate loop, in case parts of the shorthand affect
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// the computed values of other parts.
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func = xfail_split_compute(property, value) ? todo_is : is;
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for (idx in info.subproperties) {
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var subprop = info.subproperties[idx];
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if ("backend_only" in gCSSProperties[subprop])
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continue;
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func(gComputedStyle.getPropertyValue(subprop), step1comps[idx],
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"parse+compute+serialize(" + subprop + ") should be idempotent for '" +
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property + ": " + value + "'");
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}
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}
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gDeclaration.removeProperty(property);
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}
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var idx;
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for (idx in info.initial_values)
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test_value(info.initial_values[idx]);
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for (idx in info.other_values)
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test_value(info.other_values[idx]);
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}
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// To avoid triggering the slow script dialog, we have to test one
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// property at a time.
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SimpleTest.waitForExplicitFinish();
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var props = [];
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for (var prop in gCSSProperties)
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props.push(prop);
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props = props.reverse();
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function do_one(l) {
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if (l.length == 0) {
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// SimpleTest.finish() is really slow, so we have to disable the
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// slow script dialog for this part
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netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
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var prefService = Components.classes["@mozilla.org/preferences-service;1"].
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getService(Components.interfaces.nsIPrefService);
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var domBranch = prefService.getBranch("dom.");
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var oldVal = domBranch.getIntPref("max_script_run_time");
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domBranch.setIntPref("max_script_run_time", 0);
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SimpleTest.finish();
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domBranch.setIntPref("max_script_run_time", oldVal);
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return;
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}
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test_property(l.pop());
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setTimeout(do_one, 0, l);
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}
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setTimeout(do_one, 0, props);
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</script>
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</pre>
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</body>
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</html>
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