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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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+<!DOCTYPE HTML>
+<html>
+<!--
+-->
+<head>
+ <title>Test for computation of values in property database</title>
+ <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>
+ <style type="text/css">
+ /* For 'width', 'height', etc., need a constant size container. */
+ #display { width: 500px; height: 200px }
+ </style>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+ <script type="text/javascript">
+ var numAssertions = 9;
+
+ // these are from the additional margin-inline-{start,end} tests
+ numAssertions += 2;
+
+ SimpleTest.expectAssertions(numAssertions);
+ SimpleTest.waitForExplicitFinish();
+ SimpleTest.requestLongerTimeout(2);
+
+ var load_count = 0;
+ function load_done() {
+ if (++load_count == 3)
+ run_tests();
+ }
+ </script>
+</head>
+<body>
+<p id="display"><span><span id="elementf"></span></span>
+<iframe id="unstyledn" src="unstyled.xml" height="10" width="10" onload="load_done()"></iframe>
+<iframe id="unstyledf" src="unstyled-frame.xml" height="10" width="10" onload="load_done()"></iframe>
+</p>
+<div id="content" style="display: none">
+
+<div><span id="elementn"></span></div>
+
+
+</div>
+<pre id="test">
+<script class="testbody" type="text/javascript">
+
+/** Test for computation of values in property database **/
+
+var gBadComputed = {
+ // These values are treated as auto.
+ "page-break-after": [ "avoid" ],
+ "page-break-before": [ "avoid" ],
+
+ // This is the only SVG-length property (i.e., length allowing
+ // unitless lengths) whose initial value is zero.
+ "stroke-dashoffset": [ "0", "-moz-objectValue" ],
+};
+
+var gBadComputedNoFrame = {
+ // These are probably bogus tests...
+ "-moz-margin-end": [ "0%", "calc(0% + 0px)" ],
+ "-moz-margin-start": [ "0%", "calc(0% + 0px)" ],
+ "-moz-padding-end": [ "0%", "calc(0% + 0px)", "calc(-1%)" ],
+ "-moz-padding-start": [ "0%", "calc(0% + 0px)", "calc(-1%)" ],
+ "margin": [ "0% 0px 0em 0pt" ],
+ "margin-block-end": [ "0%", "calc(0% + 0px)" ],
+ "margin-block-start": [ "0%", "calc(0% + 0px)" ],
+ "margin-bottom": [ "0%", "calc(0% + 0px)" ],
+ "margin-inline-end": [ "0%", "calc(0% + 0px)" ],
+ "margin-inline-start": [ "0%", "calc(0% + 0px)" ],
+ "margin-left": [ "0%", "calc(0% + 0px)" ],
+ "margin-right": [ "0%", "calc(0% + 0px)" ],
+ "margin-top": [ "0%", "calc(0% + 0px)" ],
+ "padding": [ "0% 0px 0em 0pt", "calc(0px) calc(0em) calc(-2px) calc(-1%)" ],
+ "padding-block-end": [ "0%", "calc(0% + 0px)", "calc(-1%)" ],
+ "padding-block-start": [ "0%", "calc(0% + 0px)", "calc(-1%)" ],
+ "padding-bottom": [ "0%", "calc(0% + 0px)", "calc(-1%)" ],
+ "padding-inline-end": [ "0%", "calc(0% + 0px)", "calc(-1%)" ],
+ "padding-inline-start": [ "0%", "calc(0% + 0px)", "calc(-1%)" ],
+ "padding-left": [ "0%", "calc(0% + 0px)", "calc(-1%)" ],
+ "padding-right": [ "0%", "calc(0% + 0px)", "calc(-1%)" ],
+ "padding-top": [ "0%", "calc(0% + 0px)", "calc(-1%)" ],
+};
+
+function xfail_value(property, value, is_initial, has_frame) {
+ if ((property in gBadComputed) &&
+ gBadComputed[property].indexOf(value) != -1)
+ return true;
+
+ if (!has_frame && (property in gBadComputedNoFrame) &&
+ gBadComputedNoFrame[property].indexOf(value) != -1)
+ return true;
+
+ return false;
+}
+
+var gSwapInitialWhenHaveFrame = {
+ // When there's a frame, '-moz-available' works out to the same as
+ // 'auto' given the prerequisites of only 'display: block'.
+ "width": [ "-moz-available" ],
+};
+
+function swap_when_frame(property, value) {
+ return (property in gSwapInitialWhenHaveFrame) &&
+ gSwapInitialWhenHaveFrame[property].indexOf(value) != -1;
+}
+
+var gElementN = document.getElementById("elementn");
+var gElementF = document.getElementById("elementf");
+var gStyleSheet = document.getElementById("stylesheet").sheet;
+var gRule1 = gStyleSheet.cssRules[gStyleSheet.insertRule("#elementn, #elementf {}", gStyleSheet.cssRules.length)];
+var gRule2 = gStyleSheet.cssRules[gStyleSheet.insertRule("#elementn, #elementf {}", gStyleSheet.cssRules.length)];
+
+var gInitialValuesN;
+var gInitialValuesF;
+var gInitialPrereqsRuleN;
+var gInitialPrereqsRuleF;
+
+function setup_initial_values(id, ivalprop, prereqprop) {
+ var iframe = document.getElementById(id);
+ window[ivalprop] = iframe.contentWindow.getComputedStyle(
+ iframe.contentDocument.documentElement.firstChild, "");
+ var sheet = iframe.contentDocument.styleSheets[0];
+ // For 'width', 'height', etc., need a constant size container.
+ sheet.insertRule(":root { height: 200px; width: 500px }", sheet.cssRules.length);
+
+ window[prereqprop] = sheet.cssRules[sheet.insertRule(":root > * {}", sheet.cssRules.length)];
+}
+
+function test_value(property, val, is_initial)
+{
+ var info = gCSSProperties[property];
+
+ if ("prerequisites" in info) {
+ var prereqs = info.prerequisites;
+ for (var prereq in prereqs) {
+ gRule1.style.setProperty(prereq, prereqs[prereq], "");
+ gInitialPrereqsRuleN.style.setProperty(prereq, prereqs[prereq], "");
+ gInitialPrereqsRuleF.style.setProperty(prereq, prereqs[prereq], "");
+ }
+ }
+ if (info.inherited && is_initial) {
+ gElementN.parentNode.style.setProperty(property, info.other_values[0], "");
+ gElementF.parentNode.style.setProperty(property, info.other_values[0], "");
+ }
+
+ var initial_computed_n = get_computed_value(gInitialValuesN, property);
+ var initial_computed_f = get_computed_value(gInitialValuesF, property);
+ if (is_initial) {
+ gRule1.style.setProperty(property, info.other_values[0], "");
+ var other_computed_n = get_computed_value(getComputedStyle(gElementN, ""), property);
+ var other_computed_f = get_computed_value(getComputedStyle(gElementF, ""), property);
+ isnot(other_computed_n, initial_computed_n,
+ "should be testing with values that compute to different things " +
+ "for '" + property + "'");
+ isnot(other_computed_f, initial_computed_f,
+ "should be testing with values that compute to different things " +
+ "for '" + property + "'");
+ }
+ // It's important for values that are supposed to compute to the
+ // initial value (given the current design of nsRuleNode) that we're
+ // modifying the most specific rule that matches the element, and that
+ // we've already requested style while that rule was empty. This
+ // means we'll have a cached aStartStruct from the parent in the rule
+ // tree (caching the "other" value), so we'll make sure we don't get
+ // the initial value from the luck of default-initialization.
+ // This means that it's important that we set the prereqs on
+ // gRule1.style rather than on gElement.style.
+ gRule2.style.setProperty(property, val, "");
+ var val_computed_n = get_computed_value(getComputedStyle(gElementN, ""), property);
+ var val_computed_f = get_computed_value(getComputedStyle(gElementF, ""), property);
+ isnot(val_computed_n, "",
+ "should not get empty value for '" + property + ":" + val + "'");
+ isnot(val_computed_f, "",
+ "should not get empty value for '" + property + ":" + val + "'");
+ if (is_initial) {
+ (xfail_value(property, val, is_initial, false) ? todo_is : is)(
+ val_computed_n, initial_computed_n,
+ "should get initial value for '" + property + ":" + val + "'");
+ (xfail_value(property, val, is_initial, true) ? todo_is : is)(
+ val_computed_f, initial_computed_f,
+ "should get initial value for '" + property + ":" + val + "'");
+ } else {
+ (xfail_value(property, val, is_initial, false) ? todo_isnot : isnot)(
+ val_computed_n, initial_computed_n,
+ "should not get initial value for '" + property + ":" + val + "' on elementn.");
+ var swap = swap_when_frame(property, val);
+ (xfail_value(property, val, is_initial, true) ? todo_isnot : (swap ? is : isnot))(
+ val_computed_f, initial_computed_f,
+ "should " + (swap ? "" : "not ") +
+ "get initial value for '" + property + ":" + val + "' on elementf.");
+ }
+ if (is_initial)
+ gRule1.style.removeProperty(property);
+ gRule2.style.removeProperty(property);
+
+ if ("prerequisites" in info) {
+ var prereqs = info.prerequisites;
+ for (var prereq in prereqs) {
+ gRule1.style.removeProperty(prereq);
+ gInitialPrereqsRuleN.style.removeProperty(prereq);
+ gInitialPrereqsRuleF.style.removeProperty(prereq);
+ }
+ }
+ if (info.inherited && is_initial) {
+ gElementN.parentNode.style.removeProperty(property);
+ gElementF.parentNode.style.removeProperty(property);
+ }
+
+ // FIXME: Something (maybe with the -moz-binding values) causes
+ // gElementF's frame to get lost. Force it to get recreated after
+ // each property.
+ gElementF.parentNode.style.display = "none";
+ get_computed_value(getComputedStyle(gElementF, ""), "width");
+ gElementF.parentNode.style.display = "";
+ get_computed_value(getComputedStyle(gElementF, ""), "width");
+}
+
+function test_property(prop) {
+ var info = gCSSProperties[prop];
+ for (var idx in info.initial_values)
+ test_value(prop, info.initial_values[idx], true);
+ for (var idx in info.other_values)
+ test_value(prop, info.other_values[idx], false);
+}
+
+function run_tests() {
+ setup_initial_values("unstyledn", "gInitialValuesN", "gInitialPrereqsRuleN");
+ setup_initial_values("unstyledf", "gInitialValuesF", "gInitialPrereqsRuleF");
+ var props = [];
+ for (var prop in gCSSProperties)
+ props.push(prop);
+ props = props.reverse();
+ function do_one() {
+ if (props.length == 0) {
+ SimpleTest.finish();
+ return;
+ }
+ test_property(props.pop());
+ SimpleTest.executeSoon(do_one);
+ }
+ SimpleTest.executeSoon(do_one);
+}
+
+load_done();
+
+</script>
+</pre>
+</body>
+</html>
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