2007-04-19 06:49:44 +04:00
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<!DOCTYPE HTML>
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<html>
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-->
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<head>
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2013-10-03 22:49:19 +04:00
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<title>Test for computation of CSS 'inherit' on all properties and 'unset' on inherited properties</title>
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2007-04-19 06:49:44 +04:00
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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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<style type="text/css" id="stylesheet"></style>
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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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2007-04-26 03:27:36 +04:00
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<p id="display"><span id="fparent"><span id="fchild"></span></span></p>
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2007-04-19 06:49:44 +04:00
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<div id="content" style="display: none">
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2007-04-26 03:27:36 +04:00
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<div id="testnode"><span id="nparent"><span id="nchild"></span></span></div>
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2007-04-19 06:49:44 +04:00
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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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2013-10-03 22:49:19 +04:00
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/** Test for computation of CSS 'inherit' on all properties and 'unset' on
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inherited properties **/
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2007-04-19 06:49:44 +04:00
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2007-04-26 03:27:36 +04:00
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// elements without a frame
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var gNParent = document.getElementById("nparent");
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var gNChild = document.getElementById("nchild");
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// elements with a frame
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var gFParent = document.getElementById("fparent");
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var gFChild = document.getElementById("fchild");
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2007-04-19 06:49:44 +04:00
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var gStyleSheet = document.getElementById("stylesheet").sheet;
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2007-04-26 03:27:36 +04:00
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var gChildRule1 = gStyleSheet.cssRules[gStyleSheet.insertRule("#nchild, #fchild {}", gStyleSheet.cssRules.length)];
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var gChildRule2 = gStyleSheet.cssRules[gStyleSheet.insertRule("#nchild, #fchild {}", gStyleSheet.cssRules.length)];
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2007-07-12 02:23:03 +04:00
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var gChildRule3 = gStyleSheet.cssRules[gStyleSheet.insertRule("#nchild.allother, #fchild.allother {}", gStyleSheet.cssRules.length)];
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var gChildRuleTop = gStyleSheet.cssRules[gStyleSheet.insertRule("#nchild, #nchild.allother, #fchild, #fchild.allother {}", gStyleSheet.cssRules.length)];
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2007-04-26 03:27:36 +04:00
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var gParentRuleTop = gStyleSheet.cssRules[gStyleSheet.insertRule("#nparent, #fparent {}", gStyleSheet.cssRules.length)];
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2007-04-19 06:49:44 +04:00
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2013-10-03 22:49:19 +04:00
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var gTestUnset = SpecialPowers.getBoolPref("layout.css.unset-value.enabled");
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2007-07-22 23:56:13 +04:00
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function get_computed_value_node(node, property)
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2007-04-19 06:49:44 +04:00
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{
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var cs = getComputedStyle(node, "");
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2007-07-22 23:56:13 +04:00
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return get_computed_value(cs, property);
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2007-04-19 06:49:44 +04:00
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}
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function test_property(property)
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{
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var info = gCSSProperties[property];
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if (info.backend_only)
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return;
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2013-10-03 22:49:19 +04:00
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var keywords = ["inherit"];
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if (info.inherited && gTestUnset)
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keywords.push("unset");
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keywords.forEach(function(keyword) {
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if ("prerequisites" in info) {
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var prereqs = info.prerequisites;
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for (var prereq in prereqs) {
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gParentRuleTop.style.setProperty(prereq, prereqs[prereq], "");
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gChildRuleTop.style.setProperty(prereq, prereqs[prereq], "");
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}
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2007-04-19 06:49:44 +04:00
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}
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2013-10-03 22:49:19 +04:00
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if (info.inherited) {
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gParentRuleTop.style.setProperty(property, info.initial_values[0], "");
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var initial_computed_n = get_computed_value_node(gNChild, property);
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var initial_computed_f = get_computed_value_node(gFChild, property);
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gChildRule1.style.setProperty(property, info.other_values[0], "");
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var other_computed_n = get_computed_value_node(gNChild, property);
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var other_computed_f = get_computed_value_node(gFChild, property);
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isnot(other_computed_n, initial_computed_n,
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"should be testing with values that compute to different things " +
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"for '" + property + "'");
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isnot(other_computed_f, initial_computed_f,
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"should be testing with values that compute to different things " +
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"for '" + property + "'");
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gChildRule3.style.setProperty(property, keyword, "");
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gFChild.className="allother";
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gNChild.className="allother";
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var inherit_initial_computed_n = get_computed_value_node(gNChild, property);
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var inherit_initial_computed_f = get_computed_value_node(gFChild, property);
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is(inherit_initial_computed_n, initial_computed_n,
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keyword + " should cause inheritance of initial value for '" +
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property + "'");
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is(inherit_initial_computed_f, initial_computed_f,
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keyword + " should cause inheritance of initial value for '" +
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property + "'");
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gParentRuleTop.style.setProperty(property, info.other_values[0], "");
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var inherit_other_computed_n = get_computed_value_node(gNChild, property);
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var inherit_other_computed_f = get_computed_value_node(gFChild, property);
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is(inherit_other_computed_n, other_computed_n,
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keyword + " should cause inheritance of other value for '" +
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property + "'");
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is(inherit_other_computed_f, other_computed_f,
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keyword + " should cause inheritance of other value for '" +
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property + "'");
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gParentRuleTop.style.removeProperty(property);
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gChildRule1.style.removeProperty(property);
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gChildRule3.style.setProperty(property, info.other_values[0], "");
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gFChild.className="";
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gNChild.className="";
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} else {
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gParentRuleTop.style.setProperty(property, info.other_values[0], "");
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var initial_computed_n = get_computed_value_node(gNChild, property);
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var initial_computed_f = get_computed_value_node(gFChild, property);
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var other_computed_n = get_computed_value_node(gNParent, property);
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var other_computed_f = get_computed_value_node(gFParent, property);
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isnot(other_computed_n, initial_computed_n,
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"should be testing with values that compute to different things " +
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"for '" + property + "'");
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isnot(other_computed_f, initial_computed_f,
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"should be testing with values that compute to different things " +
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"for '" + property + "'");
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gChildRule2.style.setProperty(property, keyword, "");
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var inherit_other_computed_n = get_computed_value_node(gNChild, property);
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var inherit_other_computed_f = get_computed_value_node(gFChild, property);
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is(inherit_other_computed_n, other_computed_n,
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keyword + " should cause inheritance of other value for '" +
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property + "'");
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is(inherit_other_computed_f, other_computed_f,
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keyword + " should cause inheritance of other value for '" +
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property + "'");
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gParentRuleTop.style.removeProperty(property);
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gChildRule1.style.setProperty(property, info.other_values[0], "");
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var inherit_initial_computed_n = get_computed_value_node(gNChild, property);
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var inherit_initial_computed_f = get_computed_value_node(gFChild, property);
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is(inherit_initial_computed_n, initial_computed_n,
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keyword + " should cause inheritance of initial value for '" +
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property + "'");
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is(inherit_initial_computed_f, initial_computed_f,
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keyword + " should cause inheritance of initial value for '" +
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property + "'");
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gParentRuleTop.style.removeProperty(property);
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gChildRule1.style.removeProperty(property);
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gChildRule2.style.removeProperty(property);
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}
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2007-04-19 06:49:44 +04:00
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2013-10-03 22:49:19 +04:00
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if ("prerequisites" in info) {
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var prereqs = info.prerequisites;
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for (var prereq in prereqs) {
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gParentRuleTop.style.removeProperty(prereq);
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gChildRuleTop.style.removeProperty(prereq);
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}
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2007-04-19 06:49:44 +04:00
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}
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2013-10-03 22:49:19 +04:00
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});
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2007-04-19 06:49:44 +04:00
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}
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2007-07-12 02:23:03 +04:00
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for (var prop in gCSSProperties) {
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var info = gCSSProperties[prop];
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gChildRule3.style.setProperty(prop, info.other_values[0], "");
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}
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2007-04-19 06:49:44 +04:00
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for (var prop in gCSSProperties)
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test_property(prop);
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</script>
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</pre>
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</body>
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</html>
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