gecko-dev/layout/style/test/test_inherit_computation.html

226 lines
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HTML

<!DOCTYPE HTML>
<html>
<!--
-->
<head>
<title>Test for computation of CSS 'inherit'</title>
<script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="property_database.js"></script>
<style type="text/css" id="stylesheet"></style>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<p id="display"><span id="fparent"><span id="fchild"></span></span></p>
<div id="content" style="display: none">
<div id="testnode"><span id="nparent"><span id="nchild"></span></span></div>
</div>
<pre id="test">
<script class="testbody" type="text/javascript">
/** Test for computation of CSS 'inherit' **/
var gNoComputedStyle = {
"-moz-force-broken-image-icon": true,
"-moz-margin-end": true,
"-moz-margin-start": true,
"-moz-padding-end": true,
"-moz-padding-start": true,
"background-position": true,
"content": true,
"page-break-after": true,
"page-break-before": true,
"quotes": true,
"clip-path": true,
"clip-rule": true,
"color-interpolation": true,
"color-interpolation-filters": true,
"dominant-baseline": true,
"fill": true,
"fill-opacity": true,
"fill-rule": true,
"filter": true,
"flood-color": true,
"flood-opacity": true,
"marker": true, // NB: shorthand
"marker-end": true,
"marker-mid": true,
"marker-start": true,
"mask": true,
"pointer-events": true,
"shape-rendering": true,
"stop-color": true,
"stop-opacity": true,
"stroke": true,
"stroke-dasharray": true,
"stroke-dashoffset": true,
"stroke-linecap": true,
"stroke-linejoin": true,
"stroke-miterlimit": true,
"stroke-opacity": true,
"stroke-width": true,
"text-anchor": true,
"text-rendering": true,
};
function xfail_diffcomputed(property) {
return property in gNoComputedStyle;
}
var gBrokenInherit = {
// Not implemented in nsRuleNode
"-moz-border-bottom-colors": true,
"-moz-border-left-colors": true,
"-moz-border-right-colors": true,
"-moz-border-top-colors": true,
};
function xfail_inherit(property, matching_initial) {
return property in gBrokenInherit;
}
// elements without a frame
var gNParent = document.getElementById("nparent");
var gNChild = document.getElementById("nchild");
// elements with a frame
var gFParent = document.getElementById("fparent");
var gFChild = document.getElementById("fchild");
var gStyleSheet = document.getElementById("stylesheet").sheet;
var gChildRule1 = gStyleSheet.cssRules[gStyleSheet.insertRule("#nchild, #fchild {}", gStyleSheet.cssRules.length)];
var gChildRule2 = gStyleSheet.cssRules[gStyleSheet.insertRule("#nchild, #fchild {}", gStyleSheet.cssRules.length)];
var gChildRuleTop = gStyleSheet.cssRules[gStyleSheet.insertRule("#nchild, #fchild {}", gStyleSheet.cssRules.length)];
var gParentRuleTop = gStyleSheet.cssRules[gStyleSheet.insertRule("#nparent, #fparent {}", gStyleSheet.cssRules.length)];
// Get the computed value for a property. For shorthands, return the
// computed values of all the subproperties, delimited by " ; ".
function get_computed_value(node, property)
{
var info = gCSSProperties[property];
var cs = getComputedStyle(node, "");
if (!("subproperties" in info)) {
return cs.getPropertyValue(property);
}
var results = [];
for (var idx in info.subproperties) {
var subprop = info.subproperties[idx];
results.push(cs.getPropertyValue(subprop));
}
return results.join(" ; ");
}
function test_property(property)
{
var info = gCSSProperties[property];
if (info.backend_only)
return;
if ("prerequisites" in info) {
var prereqs = info.prerequisites;
for (var prereq in prereqs) {
gParentRuleTop.style.setProperty(prereq, prereqs[prereq], "");
gChildRuleTop.style.setProperty(prereq, prereqs[prereq], "");
}
}
if (info.inherited) {
gParentRuleTop.style.setProperty(property, info.initial_values[0], "");
var initial_computed_n = get_computed_value(gNChild, property);
var initial_computed_f = get_computed_value(gFChild, property);
gChildRule1.style.setProperty(property, info.other_values[0], "");
var other_computed_n = get_computed_value(gNChild, property);
var other_computed_f = get_computed_value(gFChild, property);
(xfail_diffcomputed(property) ? todo_isnot : isnot)(
other_computed_n, initial_computed_n,
"should be testing with values that compute to different things " +
"for '" + property + "'");
(xfail_diffcomputed(property) ? todo_isnot : isnot)(
other_computed_f, initial_computed_f,
"should be testing with values that compute to different things " +
"for '" + property + "'");
gChildRule2.style.setProperty(property, "inherit", "");
var inherit_initial_computed_n = get_computed_value(gNChild, property);
var inherit_initial_computed_f = get_computed_value(gFChild, property);
(xfail_inherit(property, true) ? todo_is : is)(
inherit_initial_computed_n, initial_computed_n,
"inherit should cause inheritance of initial value for '" +
property + "'");
(xfail_inherit(property, true) ? todo_is : is)(
inherit_initial_computed_f, initial_computed_f,
"inherit should cause inheritance of initial value for '" +
property + "'");
gParentRuleTop.style.setProperty(property, info.other_values[0], "");
var inherit_other_computed_n = get_computed_value(gNChild, property);
var inherit_other_computed_f = get_computed_value(gFChild, property);
(xfail_inherit(property, false) ? todo_is : is)(
inherit_other_computed_n, other_computed_n,
"inherit should cause inheritance of other value for '" +
property + "'");
(xfail_inherit(property, false) ? todo_is : is)(
inherit_other_computed_f, other_computed_f,
"inherit should cause inheritance of other value for '" +
property + "'");
gParentRuleTop.style.removeProperty(property);
gChildRule1.style.removeProperty(property);
gChildRule2.style.removeProperty(property);
} else {
gParentRuleTop.style.setProperty(property, info.other_values[0], "");
var initial_computed_n = get_computed_value(gNChild, property);
var initial_computed_f = get_computed_value(gFChild, property);
var other_computed_n = get_computed_value(gNParent, property);
var other_computed_f = get_computed_value(gFParent, property);
(xfail_diffcomputed(property) ? todo_isnot : isnot)(
other_computed_n, initial_computed_n,
"should be testing with values that compute to different things " +
"for '" + property + "'");
(xfail_diffcomputed(property) ? todo_isnot : isnot)(
other_computed_f, initial_computed_f,
"should be testing with values that compute to different things " +
"for '" + property + "'");
gChildRule2.style.setProperty(property, "inherit", "");
var inherit_other_computed_n = get_computed_value(gNChild, property);
var inherit_other_computed_f = get_computed_value(gFChild, property);
(xfail_inherit(property, false) ? todo_is : is)(
inherit_other_computed_n, other_computed_n,
"inherit should cause inheritance of other value for '" +
property + "'");
(xfail_inherit(property, false) ? todo_is : is)(
inherit_other_computed_f, other_computed_f,
"inherit should cause inheritance of other value for '" +
property + "'");
gParentRuleTop.style.removeProperty(property);
gChildRule1.style.setProperty(property, info.other_values[0], "");
var inherit_initial_computed_n = get_computed_value(gNChild, property);
var inherit_initial_computed_f = get_computed_value(gFChild, property);
(xfail_inherit(property, true) ? todo_is : is)(
inherit_initial_computed_n, initial_computed_n,
"inherit should cause inheritance of initial value for '" +
property + "'");
(xfail_inherit(property, true) ? todo_is : is)(
inherit_initial_computed_f, initial_computed_f,
"inherit should cause inheritance of initial value for '" +
property + "'");
gParentRuleTop.style.removeProperty(property);
gChildRule1.style.removeProperty(property);
gChildRule2.style.removeProperty(property);
}
if ("prerequisites" in info) {
var prereqs = info.prerequisites;
for (var prereq in prereqs) {
gParentRuleTop.style.removeProperty(prereq);
gChildRuleTop.style.removeProperty(prereq);
}
}
}
for (var prop in gCSSProperties)
test_property(prop);
</script>
</pre>
</body>
</html>