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8a83084796
We filp the display value of display tree after each property, which means if we put the iframes there, we are rebuilding style for the two subdocuments repeatedly. This doesn't really make sense. We are flipping display tree for restoring #elementf, not for the iframes. MozReview-Commit-ID: B9bRDrlt0HJ --HG-- extra : rebase_source : 3762605a782098d5d804342766d4ca6ad971fdf8
250 lines
9.5 KiB
HTML
250 lines
9.5 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 computation of values in property database</title>
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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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<style type="text/css">
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/* For 'width', 'height', etc., need a constant size container. */
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#display { width: 500px; height: 200px }
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</style>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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<script type="text/javascript">
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var numAssertions = 9;
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// these are from the additional margin-inline-{start,end} tests
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numAssertions += 2;
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SimpleTest.expectAssertions(numAssertions);
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SimpleTest.waitForExplicitFinish();
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SimpleTest.requestLongerTimeout(2);
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var load_count = 0;
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function load_done() {
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if (++load_count == 3)
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run_tests();
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}
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</script>
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</head>
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<body>
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<iframe id="unstyledn" src="unstyled.xml" height="10" width="10" onload="load_done()"></iframe>
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<iframe id="unstyledf" src="unstyled-frame.xml" height="10" width="10" onload="load_done()"></iframe>
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<p id="display"><span><span id="elementf"></span></span></p>
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<div id="content" style="display: none">
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<div><span id="elementn"></span></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 computation of values in property database **/
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var gBadComputed = {
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// These values are treated as auto.
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"page-break-after": [ "avoid" ],
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"page-break-before": [ "avoid" ],
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// This is the only SVG-length property (i.e., length allowing
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// unitless lengths) whose initial value is zero.
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"stroke-dashoffset": [ "0", "-moz-objectValue" ],
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};
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var gBadComputedNoFrame = {
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// These are probably bogus tests...
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"-moz-margin-end": [ "0%", "calc(0% + 0px)" ],
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"-moz-margin-start": [ "0%", "calc(0% + 0px)" ],
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"-moz-padding-end": [ "0%", "calc(0% + 0px)", "calc(-1%)" ],
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"-moz-padding-start": [ "0%", "calc(0% + 0px)", "calc(-1%)" ],
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"margin": [ "0% 0px 0em 0pt" ],
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"margin-block-end": [ "0%", "calc(0% + 0px)" ],
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"margin-block-start": [ "0%", "calc(0% + 0px)" ],
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"margin-bottom": [ "0%", "calc(0% + 0px)" ],
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"margin-inline-end": [ "0%", "calc(0% + 0px)" ],
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"margin-inline-start": [ "0%", "calc(0% + 0px)" ],
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"margin-left": [ "0%", "calc(0% + 0px)" ],
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"margin-right": [ "0%", "calc(0% + 0px)" ],
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"margin-top": [ "0%", "calc(0% + 0px)" ],
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"padding": [ "0% 0px 0em 0pt", "calc(0px) calc(0em) calc(-2px) calc(-1%)" ],
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"padding-block-end": [ "0%", "calc(0% + 0px)", "calc(-1%)" ],
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"padding-block-start": [ "0%", "calc(0% + 0px)", "calc(-1%)" ],
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"padding-bottom": [ "0%", "calc(0% + 0px)", "calc(-1%)" ],
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"padding-inline-end": [ "0%", "calc(0% + 0px)", "calc(-1%)" ],
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"padding-inline-start": [ "0%", "calc(0% + 0px)", "calc(-1%)" ],
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"padding-left": [ "0%", "calc(0% + 0px)", "calc(-1%)" ],
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"padding-right": [ "0%", "calc(0% + 0px)", "calc(-1%)" ],
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"padding-top": [ "0%", "calc(0% + 0px)", "calc(-1%)" ],
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};
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function xfail_value(property, value, is_initial, has_frame) {
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if ((property in gBadComputed) &&
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gBadComputed[property].indexOf(value) != -1)
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return true;
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if (!has_frame && (property in gBadComputedNoFrame) &&
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gBadComputedNoFrame[property].indexOf(value) != -1)
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return true;
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return false;
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}
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var gSwapInitialWhenHaveFrame = {
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// When there's a frame, '-moz-available' works out to the same as
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// 'auto' given the prerequisites of only 'display: block'.
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"width": [ "-moz-available" ],
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};
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function swap_when_frame(property, value) {
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return (property in gSwapInitialWhenHaveFrame) &&
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gSwapInitialWhenHaveFrame[property].indexOf(value) != -1;
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}
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var gDisplayTree = document.getElementById("display");
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var gElementN = document.getElementById("elementn");
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var gElementF = document.getElementById("elementf");
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var gStyleSheet = document.getElementById("stylesheet").sheet;
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var gRule1 = gStyleSheet.cssRules[gStyleSheet.insertRule("#elementn, #elementf {}", gStyleSheet.cssRules.length)];
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var gRule2 = gStyleSheet.cssRules[gStyleSheet.insertRule("#elementn, #elementf {}", gStyleSheet.cssRules.length)];
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var gInitialValuesN;
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var gInitialValuesF;
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var gInitialPrereqsRuleN;
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var gInitialPrereqsRuleF;
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function setup_initial_values(id, ivalprop, prereqprop) {
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var iframe = document.getElementById(id);
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window[ivalprop] = iframe.contentWindow.getComputedStyle(
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iframe.contentDocument.documentElement.firstChild);
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var sheet = iframe.contentDocument.styleSheets[0];
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// For 'width', 'height', etc., need a constant size container.
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sheet.insertRule(":root { height: 200px; width: 500px }", sheet.cssRules.length);
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window[prereqprop] = sheet.cssRules[sheet.insertRule(":root > * {}", sheet.cssRules.length)];
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}
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function test_value(property, val, is_initial)
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{
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var info = gCSSProperties[property];
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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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gRule1.style.setProperty(prereq, prereqs[prereq], "");
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gInitialPrereqsRuleN.style.setProperty(prereq, prereqs[prereq], "");
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gInitialPrereqsRuleF.style.setProperty(prereq, prereqs[prereq], "");
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}
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}
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if (info.inherited && is_initial) {
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gElementN.parentNode.style.setProperty(property, info.other_values[0], "");
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gElementF.parentNode.style.setProperty(property, info.other_values[0], "");
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}
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var initial_computed_n = get_computed_value(gInitialValuesN, property);
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var initial_computed_f = get_computed_value(gInitialValuesF, property);
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if (is_initial) {
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gRule1.style.setProperty(property, info.other_values[0], "");
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var other_computed_n = get_computed_value(getComputedStyle(gElementN, ""), property);
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var other_computed_f = get_computed_value(getComputedStyle(gElementF, ""), 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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}
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// It's important for values that are supposed to compute to the
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// initial value (given the current design of nsRuleNode) that we're
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// modifying the most specific rule that matches the element, and that
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// we've already requested style while that rule was empty. This
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// means we'll have a cached aStartStruct from the parent in the rule
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// tree (caching the "other" value), so we'll make sure we don't get
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// the initial value from the luck of default-initialization.
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// This means that it's important that we set the prereqs on
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// gRule1.style rather than on gElement.style.
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gRule2.style.setProperty(property, val, "");
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var val_computed_n = get_computed_value(getComputedStyle(gElementN, ""), property);
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var val_computed_f = get_computed_value(getComputedStyle(gElementF, ""), property);
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isnot(val_computed_n, "",
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"should not get empty value for '" + property + ":" + val + "'");
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isnot(val_computed_f, "",
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"should not get empty value for '" + property + ":" + val + "'");
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if (is_initial) {
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(xfail_value(property, val, is_initial, false) ? todo_is : is)(
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val_computed_n, initial_computed_n,
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"should get initial value for '" + property + ":" + val + "'");
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(xfail_value(property, val, is_initial, true) ? todo_is : is)(
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val_computed_f, initial_computed_f,
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"should get initial value for '" + property + ":" + val + "'");
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} else {
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(xfail_value(property, val, is_initial, false) ? todo_isnot : isnot)(
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val_computed_n, initial_computed_n,
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"should not get initial value for '" + property + ":" + val + "' on elementn.");
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var swap = swap_when_frame(property, val);
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(xfail_value(property, val, is_initial, true) ? todo_isnot : (swap ? is : isnot))(
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val_computed_f, initial_computed_f,
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"should " + (swap ? "" : "not ") +
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"get initial value for '" + property + ":" + val + "' on elementf.");
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}
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if (is_initial)
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gRule1.style.removeProperty(property);
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gRule2.style.removeProperty(property);
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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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gRule1.style.removeProperty(prereq);
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gInitialPrereqsRuleN.style.removeProperty(prereq);
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gInitialPrereqsRuleF.style.removeProperty(prereq);
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}
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}
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if (info.inherited && is_initial) {
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gElementN.parentNode.style.removeProperty(property);
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gElementF.parentNode.style.removeProperty(property);
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}
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// FIXME -moz-binding value makes gElementF and its parent loses
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// their frame. Force it to get recreated after each property.
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// See bug 1331903.
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gDisplayTree.style.display = "none";
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get_computed_value(getComputedStyle(gElementF, ""), "width");
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gDisplayTree.style.display = "";
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get_computed_value(getComputedStyle(gElementF, ""), "width");
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}
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function test_property(prop) {
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var info = gCSSProperties[prop];
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for (var idx in info.initial_values)
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test_value(prop, info.initial_values[idx], true);
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for (var idx in info.other_values)
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test_value(prop, info.other_values[idx], false);
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}
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function run_tests() {
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setup_initial_values("unstyledn", "gInitialValuesN", "gInitialPrereqsRuleN");
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setup_initial_values("unstyledf", "gInitialValuesF", "gInitialPrereqsRuleF");
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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() {
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if (props.length == 0) {
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SimpleTest.finish();
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return;
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}
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test_property(props.pop());
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SimpleTest.executeSoon(do_one);
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}
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SimpleTest.executeSoon(do_one);
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}
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load_done();
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</script>
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</pre>
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</body>
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</html>
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