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b65c4b45ec
Support fit-content for preferred size, min size, and max size. This patch only implement the style system. For layout part, we will do that in the following patches. Differential Revision: https://phabricator.services.mozilla.com/D107161
237 lines
9.5 KiB
HTML
237 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 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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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 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 (!has_frame && (property in gBadComputedNoFrame) &&
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gBadComputedNoFrame[property].includes(value))
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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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// When there's a frame, these keywords works out to the same as the initial
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// value, i.e. `auto`, given the prerequisites of only 'display: block'.
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"height": [ "-moz-max-content", "-moz-min-content", "-moz-fit-content",
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"-moz-available", "max-content", "min-content",
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"fit-content(100px)", "fit-content(10%)",
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"fit-content(calc(3*25px + 50%))" ],
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"block-size": [ "-moz-max-content", "-moz-min-content", "-moz-fit-content",
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"-moz-available", "max-content", "min-content",
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"fit-content(100px)", "fit-content(10%)",
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"fit-content(calc(3*25px + 50%))" ],
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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].includes(value);
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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 used to be important for values that are supposed to compute to the
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// initial value (given the design of the old rule tree, nsRuleNode) that
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// we're modifying the most specific rule that matches the element, and
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// that we've already requested style while that rule was empty. This
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// means we'd have a cached aStartStruct from the parent in the rule
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// tree (caching the "other" value), so we'd make sure we don't get the
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// initial value from the luck of default-initialization. This means
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// that it would've been important that we set the prereqs on
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// gRule1.style rather than on gElement.style.
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//
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// However, the rule tree no longer stores cached structs, and we only
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// temporarily cache reset structs during a single restyle. So the
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// particular failure mode this was designed to test for isn't as
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// likely to eventuate.
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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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}
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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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