mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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214 lines
7.8 KiB
HTML
214 lines
7.8 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=816720
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-->
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<head>
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<title>Test for Bug 816720</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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<style type="text/css" id="style"></style>
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</head>
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<body>
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<pre id="test"></pre>
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<p><span id=control-serif>........</span></p>
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<p><span id=control-monospace>........</span></p>
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<p><span id=test-font>........</span></p>
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<style id=other-styles>
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#test { font-size: 16px; animation: test 1s both }
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#control-serif { font: 16px serif }
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#test-font { font: 16px UnlikelyFontName, serif }
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</style>
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<script type="application/javascript">
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// Monospace fonts available on all the platforms we're testing on.
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//
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// XXX Once bug 817220 is fixed we could instead use the value of
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// font.name.monospace.x-western as the monospace font to use.
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var MONOSPACE_FONTS = [
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"Courier",
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"Courier New",
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"Monaco",
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"DejaVu Sans Mono",
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"Droid Sans Mono"
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];
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var test = document.getElementById("test");
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var controlSerif = document.getElementById("control-serif");
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var controlMonospace = document.getElementById("control-monospace");
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var testFont = document.getElementById("test-font");
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var otherStyles = document.getElementById("other-styles");
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otherStyles.sheet.insertRule("#control-monospace { font: 16px " +
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MONOSPACE_FONTS + ", serif }", 0);
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var monospaceWidth = controlMonospace.getBoundingClientRect().width;
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var serifWidth = controlSerif.getBoundingClientRect().width;
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// [at-rule type, passing condition, failing condition]
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var outerRuleInfo = [
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["@media", "all", "not all"],
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["@-moz-document", "url-prefix('')", "url-prefix('zzz')"],
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["@supports", "(color: green)", "(unknown: unknown)"]
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];
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// [rule, function to test whether the rule was successfully inserted and applied]
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var innerRuleInfo = [
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["#test { text-decoration: underline; }",
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function(aApplied, aParent, aException) {
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return !aException &&
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window.getComputedStyle(test, "").textDecoration ==
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(aApplied ? "underline" : "none");
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}],
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["@page { margin: 4cm; }",
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function(aApplied, aParent, aException) {
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// just test whether it threw
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return !aException;
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}],
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["@keyframes test { from { font-size: 100px; } to { font-size: 100px; } }",
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function(aApplied, aParent, aException) {
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return !aException &&
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window.getComputedStyle(test, "").fontSize ==
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(aApplied ? "100px" : "16px")
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}],
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["@font-face { font-family: UnlikelyFontName; src: " +
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MONOSPACE_FONTS.map(function(s) { return "local('" + s + "')" }).join(", ") + "; }",
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function(aApplied, aParent, aException) {
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var width = testFont.getBoundingClientRect().width;
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if (aException) {
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return false;
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}
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if (navigator.oscpu.match(/Linux/)) {
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return true;
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}
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return Math.abs(width - (aApplied ? monospaceWidth : serifWidth)) <= 1 ||
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navigator.oscpu.match(/Android/); // bug 769194 prevents local()
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// fonts working on Android
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}],
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["@charset 'UTF-8';",
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function(aApplied, aParent, aException) {
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// just test whether it threw
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return aParent instanceof CSSRule ? aException : !aException;
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}],
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["@import url(nothing.css);",
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function(aApplied, aParent, aException) {
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// just test whether it threw
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return aParent instanceof CSSRule ? aException : !aException;
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}],
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["@namespace test url(http://example.org);",
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function(aApplied, aParent, aException) {
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// just test whether it threw
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return aParent instanceof CSSRule ? aException : !aException;
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}],
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];
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function runTest()
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{
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// First, assert that our assumed available fonts are indeed available
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// and have expected metrics.
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ok(monospaceWidth > 0, "monospace text has width");
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ok(serifWidth > 0, "serif text has width");
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ok(Math.abs(monospaceWidth - serifWidth) > 1, "monospace and serif text have sufficiently different widths");
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// And that the #test-font element starts off using the "serif" font.
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var initialFontTestWidth = testFont.getBoundingClientRect().width;
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is(initialFontTestWidth, serifWidth);
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// We construct a style sheet with zero, one or two levels of conditional
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// grouping rules (taken from outerRuleInfo), with one of the inner rules
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// at the deepest level.
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var style = document.getElementById("style");
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// For each of the outer rule types...
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for (var outerRule1 = 0; outerRule1 < outerRuleInfo.length; outerRule1++) {
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// For each of { 0 = don't create an outer rule,
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// 1 = create an outer rule with a passing condition,
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// 2 = create an outer rule with a failing condition }...
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for (var outerRuleCondition1 = 0; outerRuleCondition1 <= 2; outerRuleCondition1++) {
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// For each of the outer rule types again...
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for (var outerRule2 = 0; outerRule2 < outerRuleInfo.length; outerRule2++) {
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// For each of { 0 = don't create an outer rule,
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// 1 = create an outer rule with a passing condition,
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// 2 = create an outer rule with a failing condition } again...
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for (var outerRuleCondition2 = 0; outerRuleCondition2 <= 2; outerRuleCondition2++) {
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// For each of the inner rule types...
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for (var innerRule = 0; innerRule < innerRuleInfo.length; innerRule++) {
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// Clear rules
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var object = style.sheet;
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while (object.cssRules.length) {
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object.deleteRule(0);
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}
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// We'll record whether the inner rule should have been applied,
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// according to whether we put passing or failing conditional
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// grouping rules around it.
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var applied = true;
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if (outerRuleCondition1) {
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// Create an outer conditional rule.
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object.insertRule([outerRuleInfo[outerRule1][0],
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outerRuleInfo[outerRule1][outerRuleCondition1],
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"{}"].join(" "), 0);
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object = object.cssRules[0];
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if (outerRuleCondition1 == 2) {
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// If we used a failing condition, we don't expect the inner
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// rule to be applied.
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applied = false;
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}
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}
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if (outerRuleCondition2) {
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// Create another outer conditional rule as a child of the first
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// outer conditional rule (or the style sheet, if we didn't create
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// a first outer conditional rule).
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object.insertRule([outerRuleInfo[outerRule2][0],
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outerRuleInfo[outerRule2][outerRuleCondition2],
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"{}"].join(" "), 0);
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object = object.cssRules[0];
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if (outerRuleCondition2 == 2) {
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// If we used a failing condition, we don't expect the inner
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// rule to be applied.
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applied = false;
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}
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}
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var outer = object instanceof CSSRule ? object.cssText : "style sheet";
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var inner = innerRuleInfo[innerRule][0];
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// Insert the inner rule.
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var exception = null;
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try {
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object.insertRule(inner, 0);
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} catch (e) {
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exception = e;
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}
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ok(innerRuleInfo[innerRule][1](applied, object, exception),
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"<" + [outerRule1, outerRuleCondition1, outerRule2,
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outerRuleCondition2, innerRule].join(",") + "> " +
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"inserting " + inner + " into " + outer.replace(/ *\n */g, ' '));
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}
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}
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}
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}
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}
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SimpleTest.finish();
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}
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SimpleTest.waitForExplicitFinish();
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SpecialPowers.pushPrefEnv({ "set": [["layout.css.supports-rule.enabled", true]] }, runTest);
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</script>
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</body>
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</html>
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