The Tor Browser: comparison layout/style/test/test_media

--1:000000000000
+:2b7208526eb6
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=156716
+-->
+<head>
+<title>Test for Bug 156716</title>
+<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body onload="run()">
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=156716">Mozilla Bug 156716</a>
+<iframe id="subdoc" src="media_queries_iframe.html"></iframe>
+<div id="content" style="display: none">
+</div>
+<pre id="test">
+<script class="testbody" type="application/javascript">
+/** Test for Bug 156716 **/
+// Note that many other tests are in test_acid3_test46.html .
+SimpleTest.waitForExplicitFinish();
+var iframe;
+function getScreenPixelsPerCSSPixel() {
+return SpecialPowers.DOMWindowUtils.screenPixelsPerCSSPixel;
+}
+function run() {
+iframe = document.getElementById("subdoc");
+var subdoc = iframe.contentDocument;
+var subwin = iframe.contentWindow;
+var style = subdoc.getElementById("style");
+var iframe_style = iframe.style;
+var body_cs = subdoc.defaultView.getComputedStyle(subdoc.body, "");
+function query_applies(q) {
+style.setAttribute("media", q);
+return body_cs.getPropertyValue("text-decoration") == "underline";
+}
+function should_apply(q) {
+ok(query_applies(q), q + " should apply");
+test_serialization(q, true, true);
+}
+function should_not_apply(q) {
+ok(!query_applies(q), q + " should not apply");
+test_serialization(q, true, false);
+}
+/* for queries that are parseable standalone but not within CSS */
+function should_apply_unbalanced(q) {
+ok(query_applies(q), q + " should apply");
+}
+/* for queries that are parseable standalone but not within CSS */
+function should_not_apply_unbalanced(q) {
+ok(!query_applies(q), q + " should not apply");
+}
+/*
+* Functions to test whether a query is parseable at all.  (Should not
+* be used for parse errors within expressions.)
+*/
+var parse_test_style_element = document.createElement("style");
+parse_test_style_element.type = "text/css";
+parse_test_style_element.disabled = true; // for performance, hopefully
+var parse_test_style_text = document.createTextNode("");
+parse_test_style_element.appendChild(parse_test_style_text);
+document.getElementsByTagName("head")[0]
+.appendChild(parse_test_style_element);
+function query_is_parseable(q) {
+parse_test_style_text.data = "@media screen, " + q + " {}";
+var sheet = parse_test_style_element.sheet; // XXX yikes, not live!
+if (sheet.cssRules.length == 1 &&
+sheet.cssRules[0].type == CSSRule.MEDIA_RULE)
+return sheet.cssRules[0].media.mediaText != "screen, not all";
+ok(false, "unexpected result testing whether query " + q +
+" is parseable");
+return true; // doesn't matter, we already failed
+}
+function query_should_be_parseable(q) {
+ok(query_is_parseable(q), "query " + q + " should be parseable");
+test_serialization(q, false, false);
+}
+function query_should_not_be_parseable(q) {
+ok(!query_is_parseable(q), "query " + q + " should not be parseable");
+}
+/*
+* Functions to test whether a single media expression is parseable.
+*/
+function expression_is_parseable(e) {
+style.setAttribute("media", "all and (" + e + ")");
+return style.sheet.media.mediaText != "not all";
+}
+function expression_should_be_parseable(e) {
+ok(expression_is_parseable(e),
+"expression " + e + " should be parseable");
+test_serialization("all and (" + e + ")", false, false);
+}
+function expression_should_not_be_parseable(e) {
+ok(!expression_is_parseable(e),
+"expression " + e + " should not be parseable");
+}
+function test_serialization(q, test_application, should_apply) {
+style.setAttribute("media", q);
+var ser1 = style.sheet.media.mediaText;
+isnot(ser1, "", "serialization of '" + q + "' should not be empty");
+style.setAttribute("media", ser1);
+var ser2 = style.sheet.media.mediaText;
+is(ser2, ser1, "parse+serialize of '" + q + "' should be idempotent");
+if (test_application) {
+var applies = body_cs.getPropertyValue("text-decoration") == "underline";
+is(applies, should_apply,
+"Media query '" + q + "' should " + (should_apply ? "" : "NOT ") +
+"apply after serialize + reparse");
+}
+// Test cloning
+var sheet = "@media " + q + " { body { text-decoration: underline } }"
+var sheeturl = "data:text/css," + escape(sheet);
+var link = "<link rel='stylesheet' href='" + sheeturl + "'>";
+var htmldoc = "<!DOCTYPE HTML>" + link + link  + "<body>";
+var docurl = "data:text/html," + escape(htmldoc);
+post_clone_test(docurl, function() {
+var clonedoc = iframe.contentDocument;
+var clonewin = iframe.contentWindow;
+var links = clonedoc.getElementsByTagName("link");
+// cause a clone
+var clonedsheet = links[1].sheet;
+clonedsheet.insertRule("#nonexistent { color: purple}", 1);
+// remove the uncloned sheet
+links[0].parentNode.removeChild(links[0]);
+var ser3 = clonedsheet.cssRules[0].media.mediaText;
+is(ser3, ser1, "cloning query '" + q + "' should not change " +
+"serialization");
+if (test_application) {
+var applies = clonewin.getComputedStyle(clonedoc.body, "").
+textDecoration == "underline";
+is(applies, should_apply,
+"Media query '" + q + "' should " + (should_apply ? "" : "NOT ") +
+"apply after cloning");
+}
+});
+}
+// The no-type syntax doesn't mix with the not and only keywords.
+query_should_be_parseable("(orientation)");
+query_should_not_be_parseable("not (orientation)");
+query_should_not_be_parseable("only (orientation)");
+query_should_be_parseable("all and (orientation)");
+query_should_be_parseable("not all and (orientation)");
+query_should_be_parseable("only all and (orientation)");
+query_should_be_parseable("(-moz-device-orientation)");
+query_should_not_be_parseable("not (-moz-device-orientation)");
+query_should_not_be_parseable("only (-moz-device-orientation)");
+query_should_be_parseable("all and (-moz-device-orientation)");
+query_should_be_parseable("not all and (-moz-device-orientation)");
+query_should_be_parseable("only all and (-moz-device-orientation)");
+// Test that the 'not', 'only', 'and', and 'or' keywords are not
+// allowed as media types.
+query_should_not_be_parseable("not");
+query_should_not_be_parseable("and");
+query_should_not_be_parseable("or");
+query_should_not_be_parseable("only");
+query_should_be_parseable("unknowntype");
+query_should_not_be_parseable("not not");
+query_should_not_be_parseable("not and");
+query_should_not_be_parseable("not or");
+query_should_not_be_parseable("not only");
+query_should_be_parseable("not unknowntype");
+query_should_not_be_parseable("only not");
+query_should_not_be_parseable("only and");
+query_should_not_be_parseable("only or");
+query_should_not_be_parseable("only only");
+query_should_be_parseable("only unknowntype");
+query_should_not_be_parseable("not and (width)");
+query_should_not_be_parseable("and and (width)");
+query_should_not_be_parseable("or and (width)");
+query_should_not_be_parseable("only and (width)");
+query_should_be_parseable("unknowntype and (width)");
+query_should_not_be_parseable("not not and (width)");
+query_should_not_be_parseable("not and and (width)");
+query_should_not_be_parseable("not or and (width)");
+query_should_not_be_parseable("not only and (width)");
+query_should_be_parseable("not unknowntype and (width)");
+query_should_not_be_parseable("only not and (width)");
+query_should_not_be_parseable("only and and (width)");
+query_should_not_be_parseable("only or and (width)");
+query_should_not_be_parseable("only only and (width)");
+query_should_be_parseable("only unknowntype and (width)");
+var features = [ "width", "height", "device-width", "device-height" ];
+var feature;
+var i;
+for (i in features) {
+feature = features[i];
+expression_should_be_parseable(feature);
+expression_should_be_parseable(feature + ": 0");
+expression_should_be_parseable(feature + ": 0px");
+expression_should_be_parseable(feature + ": 0em");
+expression_should_be_parseable(feature + ": -0");
+expression_should_be_parseable("min-" + feature + ": -0");
+expression_should_be_parseable("max-" + feature + ": -0");
+expression_should_be_parseable(feature + ": -0cm");
+expression_should_be_parseable(feature + ": 1px");
+expression_should_be_parseable(feature + ": 0.001mm");
+expression_should_be_parseable(feature + ": 100000px");
+expression_should_not_be_parseable(feature + ": -1px");
+expression_should_not_be_parseable("min-" + feature + ": -1px");
+expression_should_not_be_parseable("max-" + feature + ": -1px");
+expression_should_not_be_parseable(feature + ": -0.00001mm");
+expression_should_not_be_parseable(feature + ": -100000em");
+expression_should_not_be_parseable("min-" + feature);
+expression_should_not_be_parseable("max-" + feature);
+}
+var content_div = document.getElementById("content");
+content_div.style.font = "initial";
+var em_size =
+getComputedStyle(content_div, "").fontSize.match(/^(\d+)px$/)[1];
+// in this test, assume the common underlying implementation is correct
+var width_val = 117; // pick two not-too-round numbers
+var height_val = 76;
+change_state(function() {
+iframe_style.width = width_val + "px";
+iframe_style.height = height_val + "px";
+});
+var device_width = window.screen.width;
+var device_height = window.screen.height;
+features = { "width": width_val,
+"height": height_val,
+"device-width": device_width,
+"device-height": device_height };
+for (feature in features) {
+var value = features[feature];
+should_apply("all and (" + feature + ": " + value + "px)");
+should_not_apply("all and (" + feature + ": " + (value + 1) + "px)");
+should_not_apply("all and (" + feature + ": " + (value - 1) + "px)");
+should_apply("all and (min-" + feature + ": " + value + "px)");
+should_not_apply("all and (min-" + feature + ": " + (value + 1) + "px)");
+should_apply("all and (min-" + feature + ": " + (value - 1) + "px)");
+should_apply("all and (max-" + feature + ": " + value + "px)");
+should_apply("all and (max-" + feature + ": " + (value + 1) + "px)");
+should_not_apply("all and (max-" + feature + ": " + (value - 1) + "px)");
+should_not_apply("all and (min-" + feature + ": " +
+(Math.ceil(value/em_size) + 1) + "em)");
+should_apply("all and (min-" + feature + ": " +
+(Math.floor(value/em_size) - 1) + "em)");
+should_apply("all and (max-" + feature + ": " +
+(Math.ceil(value/em_size) + 1) + "em)");
+should_not_apply("all and (max-" + feature + ": " +
+(Math.floor(value/em_size) - 1) + "em)");
+should_not_apply("all and (min-" + feature + ": " +
+(Math.ceil(value/em_size) + 1) + "rem)");
+should_apply("all and (min-" + feature + ": " +
+(Math.floor(value/em_size) - 1) + "rem)");
+should_apply("all and (max-" + feature + ": " +
+(Math.ceil(value/em_size) + 1) + "rem)");
+should_not_apply("all and (max-" + feature + ": " +
+(Math.floor(value/em_size) - 1) + "rem)");
+}
+change_state(function() {
+iframe_style.width = "0";
+});
+should_apply("all and (height)");
+should_not_apply("all and (width)");
+change_state(function() {
+iframe_style.height = "0";
+});
+should_not_apply("all and (height)");
+should_not_apply("all and (width)");
+should_apply("all and (device-height)");
+should_apply("all and (device-width)");
+change_state(function() {
+iframe_style.width = width_val + "px";
+});
+should_not_apply("all and (height)");
+should_apply("all and (width)");
+change_state(function() {
+iframe_style.height = height_val + "px";
+});
+should_apply("all and (height)");
+should_apply("all and (width)");
+// ratio that reduces to 59/40
+change_state(function() {
+iframe_style.width = "236px";
+iframe_style.height = "160px";
+});
+expression_should_be_parseable("orientation");
+expression_should_be_parseable("orientation: portrait");
+expression_should_be_parseable("orientation: landscape");
+expression_should_not_be_parseable("min-orientation");
+expression_should_not_be_parseable("min-orientation: portrait");
+expression_should_not_be_parseable("min-orientation: landscape");
+expression_should_not_be_parseable("max-orientation");
+expression_should_not_be_parseable("max-orientation: portrait");
+expression_should_not_be_parseable("max-orientation: landscape");
+should_apply("(orientation)");
+should_apply("(orientation: landscape)");
+should_not_apply("(orientation: portrait)");
+should_apply("not all and (orientation: portrait)");
+// ratio that reduces to 59/80
+change_state(function() {
+iframe_style.height = "320px";
+});
+should_apply("(orientation)");
+should_not_apply("(orientation: landscape)");
+should_apply("not all and (orientation: landscape)");
+should_apply("(orientation: portrait)");
+expression_should_be_parseable("-moz-device-orientation");
+expression_should_be_parseable("-moz-device-orientation: portrait");
+expression_should_be_parseable("-moz-device-orientation: landscape");
+expression_should_not_be_parseable("min--moz-device-orientation");
+expression_should_not_be_parseable("min--moz-device-orientation: portrait");
+expression_should_not_be_parseable("min--moz-device-orientation: landscape");
+expression_should_not_be_parseable("max--moz-device-orientation");
+expression_should_not_be_parseable("max--moz-device-orientation: portrait");
+expression_should_not_be_parseable("max--moz-device-orientation: landscape");
+// determine the actual configuration of the screen and test against it
+var device_orientation = (device_width > device_height) ? "landscape" : "portrait";
+var not_device_orientation = (device_orientation == "landscape") ? "portrait" : "landscape";
+should_apply("(-moz-device-orientation)");
+should_apply("(-moz-device-orientation: " + device_orientation + ")");
+should_not_apply("(-moz-device-orientation: " + not_device_orientation + ")");
+should_apply("not all and (-moz-device-orientation: " + not_device_orientation + ")");
+should_apply("(aspect-ratio: 59/80)");
+should_not_apply("(aspect-ratio: 58/80)");
+should_not_apply("(aspect-ratio: 59/81)");
+should_not_apply("(aspect-ratio: 60/80)");
+should_not_apply("(aspect-ratio: 59/79)");
+should_apply("(aspect-ratio: 177/240)");
+should_apply("(aspect-ratio: 413/560)");
+should_apply("(aspect-ratio: 5900/8000)");
+should_not_apply("(aspect-ratio: 5901/8000)");
+should_not_apply("(aspect-ratio: 5899/8000)");
+should_not_apply("(aspect-ratio: 5900/8001)");
+should_not_apply("(aspect-ratio: 5900/7999)");
+should_apply("(aspect-ratio)");
+should_apply("(min-aspect-ratio: 59/80)");
+should_apply("(min-aspect-ratio: 58/80)");
+should_apply("(min-aspect-ratio: 59/81)");
+should_not_apply("(min-aspect-ratio: 60/80)");
+should_not_apply("(min-aspect-ratio: 59/79)");
+expression_should_not_be_parseable("min-aspect-ratio");
+should_apply("(max-aspect-ratio: 59/80)");
+should_not_apply("(max-aspect-ratio: 58/80)");
+should_not_apply("(max-aspect-ratio: 59/81)");
+should_apply("(max-aspect-ratio: 60/80)");
+should_apply("(max-aspect-ratio: 59/79)");
+expression_should_not_be_parseable("max-aspect-ratio");
+var real_dar = device_width + "/" + device_height;
+var high_dar_1 = (device_width + 1) + "/" + device_height;
+var high_dar_2 = device_width + "/" + (device_height - 1);
+var low_dar_1 = (device_width - 1) + "/" + device_height;
+var low_dar_2 = device_width + "/" + (device_height + 1);
+should_apply("(device-aspect-ratio: " + real_dar + ")");
+should_apply("not all and (device-aspect-ratio: " + high_dar_1 + ")");
+should_not_apply("all and (device-aspect-ratio: " + high_dar_2 + ")");
+should_not_apply("all and (device-aspect-ratio: " + low_dar_1 + ")");
+should_apply("not all and (device-aspect-ratio: " + low_dar_2 + ")");
+should_apply("(device-aspect-ratio)");
+should_apply("(min-device-aspect-ratio: " + real_dar + ")");
+should_not_apply("all and (min-device-aspect-ratio: " + high_dar_1 + ")");
+should_apply("not all and (min-device-aspect-ratio: " + high_dar_2 + ")");
+should_not_apply("not all and (min-device-aspect-ratio: " + low_dar_1 + ")");
+should_apply("all and (min-device-aspect-ratio: " + low_dar_2 + ")");
+expression_should_not_be_parseable("min-device-aspect-ratio");
+should_apply("all and (max-device-aspect-ratio: " + real_dar + ")");
+should_apply("(max-device-aspect-ratio: " + high_dar_1 + ")");
+should_apply("(max-device-aspect-ratio: " + high_dar_2 + ")");
+should_not_apply("all and (max-device-aspect-ratio: " + low_dar_1 + ")");
+should_apply("not all and (max-device-aspect-ratio: " + low_dar_2 + ")");
+expression_should_not_be_parseable("max-device-aspect-ratio");
+var real_dpr = 1.0 * getScreenPixelsPerCSSPixel();
+var high_dpr = 1.1 * getScreenPixelsPerCSSPixel();
+var low_dpr = 0.9 * getScreenPixelsPerCSSPixel();
+should_apply("all and (max--moz-device-pixel-ratio: " + real_dpr + ")");
+should_apply("all and (min--moz-device-pixel-ratio: " + real_dpr + ")");
+should_not_apply("not all and (max--moz-device-pixel-ratio: " + real_dpr + ")");
+should_not_apply("not all and (min--moz-device-pixel-ratio: " + real_dpr + ")");
+should_apply("all and (min--moz-device-pixel-ratio: " + low_dpr + ")");
+should_apply("all and (max--moz-device-pixel-ratio: " + high_dpr + ")");
+should_not_apply("all and (max--moz-device-pixel-ratio: " + low_dpr + ")");
+should_not_apply("all and (min--moz-device-pixel-ratio: " + high_dpr + ")");
+should_apply("not all and (max--moz-device-pixel-ratio: " + low_dpr + ")");
+should_apply("not all and (min--moz-device-pixel-ratio: " + high_dpr + ")");
+should_apply("(-moz-device-pixel-ratio: " + real_dpr + ")");
+should_not_apply("(-moz-device-pixel-ratio: " + high_dpr + ")");
+should_not_apply("(-moz-device-pixel-ratio: " + low_dpr + ")");
+should_apply("(-moz-device-pixel-ratio)");
+expression_should_not_be_parseable("min--moz-device-pixel-ratio");
+expression_should_not_be_parseable("max--moz-device-pixel-ratio");
+features = [ "max-aspect-ratio", "device-aspect-ratio" ];
+for (i in features) {
+feature = features[i];
+expression_should_be_parseable(feature + ": 1/1");
+expression_should_be_parseable(feature + ": 1  /1");
+expression_should_be_parseable(feature + ": 1  / \t\n1");
+expression_should_be_parseable(feature + ": 1/\r1");
+expression_should_not_be_parseable(feature + ": 1");
+expression_should_not_be_parseable(feature + ": 0.5");
+expression_should_not_be_parseable(feature + ": 1.0/1");
+expression_should_not_be_parseable(feature + ": 1/1.0");
+expression_should_not_be_parseable(feature + ": 1.0/1.0");
+expression_should_not_be_parseable(feature + ": 0/1");
+expression_should_not_be_parseable(feature + ": 1/0");
+expression_should_not_be_parseable(feature + ": 0/0");
+expression_should_not_be_parseable(feature + ": -1/1");
+expression_should_not_be_parseable(feature + ": 1/-1");
+expression_should_not_be_parseable(feature + ": -1/-1");
+}
+var is_monochrome = query_applies("all and (min-monochrome: 1)");
+test_serialization("all and (min-monochrome: 1)", true, is_monochrome);
+var is_color = query_applies("all and (min-color: 1)");
+test_serialization("all and (min-color: 1)", true, is_color);
+isnot(is_monochrome, is_color, "should be either monochrome or color");
+function depth_query(prefix, depth) {
+return "all and (" + prefix + (is_color ? "color" : "monochrome") +
+":" + depth + ")";
+}
+var depth = 0;
+do {
+if (depth > 50) {
+ok(false, "breaking from loop, depth > 50");
+break;
+}
+} while (query_applies(depth_query("min-", ++depth)));
+--depth;
+should_apply(depth_query("", depth));
+should_not_apply(depth_query("", depth - 1));
+should_not_apply(depth_query("", depth + 1));
+should_apply(depth_query("max-", depth));
+should_not_apply(depth_query("max-", depth - 1));
+should_apply(depth_query("max-", depth + 1));
+(is_color ? should_apply : should_not_apply)("all and (color)");
+expression_should_not_be_parseable("max-color");
+expression_should_not_be_parseable("min-color");
+(is_color ? should_not_apply : should_apply)("all and (monochrome)");
+expression_should_not_be_parseable("max-monochrome");
+expression_should_not_be_parseable("min-monochrome");
+(is_color ? should_apply : should_not_apply)("not all and (monochrome)");
+(is_color ? should_not_apply : should_apply)("not all and (color)");
+(is_color ? should_apply : should_not_apply)("only all and (color)");
+(is_color ? should_not_apply : should_apply)("only all and (monochrome)");
+features = [ "color", "min-monochrome", "max-color-index" ];
+for (i in features) {
+feature = features[i];
+expression_should_be_parseable(feature + ": 1");
+expression_should_be_parseable(feature + ": 327");
+expression_should_be_parseable(feature + ": 0");
+expression_should_not_be_parseable(feature + ": 1.0");
+expression_should_not_be_parseable(feature + ": -1");
+expression_should_not_be_parseable(feature + ": 1/1");
+}
+// Presume that we never support indexed color (at least not usefully
+// enough to call it indexed color).
+should_apply("(color-index: 0)");
+should_not_apply("(color-index: 1)");
+should_apply("(min-color-index: 0)");
+should_not_apply("(min-color-index: 1)");
+should_apply("(max-color-index: 0)");
+should_apply("(max-color-index: 1)");
+should_apply("(max-color-index: 157)");
+features = [ "resolution", "min-resolution", "max-resolution" ];
+for (i in features) {
+feature = features[i];
+expression_should_be_parseable(feature + ": 3dpi");
+expression_should_be_parseable(feature + ":3dpi");
+expression_should_be_parseable(feature + ": 3.0dpi");
+expression_should_be_parseable(feature + ": 3.4dpi");
+expression_should_be_parseable(feature + "\t: 120dpcm");
+expression_should_be_parseable(feature + ": 1dppx");
+expression_should_be_parseable(feature + ": 1.5dppx");
+expression_should_be_parseable(feature + ": 2.0dppx");
+expression_should_not_be_parseable(feature + ": 0dpi");
+expression_should_not_be_parseable(feature + ": -3dpi");
+expression_should_not_be_parseable(feature + ": 0dppx");
+}
+// Find the resolution using max-resolution
+var resolution = 0;
+do {
+++resolution;
+if (resolution > 10000) {
+ok(false, "resolution greater than 10000dpi???");
+break;
+}
+} while (!query_applies("(max-resolution: " + resolution + "dpi)"));
+// resolution should now be Math.ceil() of the actual resolution.
+var dpi_high;
+var dpi_low = resolution - 1;
+if (query_applies("(min-resolution: " + resolution + "dpi)")) {
+// It's exact!
+should_apply("(resolution: " + resolution + "dpi)");
+should_apply("(resolution: " + Math.floor(resolution/96) + "dppx)");
+should_not_apply("(resolution: " + (resolution + 1) + "dpi)");
+should_not_apply("(resolution: " + (resolution - 1) + "dpi)");
+dpi_high = resolution + 1;
+} else {
+	// We have no way to test resolution applying since it need not be
+	// an integer.
+should_not_apply("(resolution: " + resolution + "dpi)");
+should_not_apply("(resolution: " + (resolution - 1) + "dpi)");
+dpi_high = resolution;
+}
+should_apply("(min-resolution: " + dpi_low + "dpi)");
+should_not_apply("not all and (min-resolution: " + dpi_low + "dpi)");
+should_apply("not all and (min-resolution: " + dpi_high + "dpi)");
+should_not_apply("all and (min-resolution: " + dpi_high + "dpi)");
+// Test dpcm units based on what we computed in dpi.
+var dpcm_high = Math.ceil(dpi_high / 2.54);
+var dpcm_low = Math.floor(dpi_low / 2.54);
+should_apply("(min-resolution: " + dpcm_low + "dpcm)");
+should_apply("(max-resolution: " + dpcm_high + "dpcm)");
+should_not_apply("(max-resolution: " + dpcm_low + "dpcm)");
+should_apply("not all and (min-resolution: " + dpcm_high + "dpcm)");
+expression_should_be_parseable("scan");
+expression_should_be_parseable("scan: progressive");
+expression_should_be_parseable("scan:interlace");
+expression_should_not_be_parseable("min-scan:interlace");
+expression_should_not_be_parseable("scan: 1");
+expression_should_not_be_parseable("max-scan");
+expression_should_not_be_parseable("max-scan: progressive");
+// Assume we don't support tv devices.
+should_not_apply("(scan)");
+should_not_apply("(scan: progressive)");
+should_not_apply("(scan: interlace)");
+should_apply("not all and (scan)");
+should_apply("not all and (scan: progressive)");
+should_apply("not all and (scan: interlace)");
+expression_should_be_parseable("grid");
+expression_should_be_parseable("grid: 0");
+expression_should_be_parseable("grid: 1");
+expression_should_be_parseable("grid: 1");
+expression_should_not_be_parseable("min-grid");
+expression_should_not_be_parseable("min-grid:0");
+expression_should_not_be_parseable("max-grid: 1");
+expression_should_not_be_parseable("grid: 2");
+expression_should_not_be_parseable("grid: -1");
+// Assume we don't support grid devices
+should_not_apply("(grid)");
+should_apply("(grid: 0)");
+should_not_apply("(grid: 1)");
+should_not_apply("(grid: 2)");
+should_not_apply("(grid: -1)");
+// System metrics
+expression_should_be_parseable("-moz-scrollbar-start-backward");
+expression_should_be_parseable("-moz-scrollbar-start-forward");
+expression_should_be_parseable("-moz-scrollbar-end-backward");
+expression_should_be_parseable("-moz-scrollbar-end-forward");
+expression_should_be_parseable("-moz-scrollbar-thumb-proportional");
+expression_should_be_parseable("-moz-images-in-menus");
+expression_should_be_parseable("-moz-images-in-buttons");
+expression_should_be_parseable("-moz-overlay-scrollbars");
+expression_should_be_parseable("-moz-windows-default-theme");
+expression_should_be_parseable("-moz-mac-graphite-theme");
+expression_should_be_parseable("-moz-mac-lion-theme");
+expression_should_be_parseable("-moz-windows-compositor");
+expression_should_be_parseable("-moz-windows-classic");
+expression_should_be_parseable("-moz-windows-glass");
+expression_should_be_parseable("-moz-touch-enabled");
+expression_should_be_parseable("-moz-swipe-animation-enabled");
+expression_should_be_parseable("-moz-scrollbar-start-backward: 0");
+expression_should_be_parseable("-moz-scrollbar-start-forward: 0");
+expression_should_be_parseable("-moz-scrollbar-end-backward: 0");
+expression_should_be_parseable("-moz-scrollbar-end-forward: 0");
+expression_should_be_parseable("-moz-scrollbar-thumb-proportional: 0");
+expression_should_be_parseable("-moz-images-in-menus: 0");
+expression_should_be_parseable("-moz-images-in-buttons: 0");
+expression_should_be_parseable("-moz-overlay-scrollbars: 0");
+expression_should_be_parseable("-moz-windows-default-theme: 0");
+expression_should_be_parseable("-moz-mac-graphite-theme: 0");
+expression_should_be_parseable("-moz-mac-lion-theme: 0");
+expression_should_be_parseable("-moz-windows-compositor: 0");
+expression_should_be_parseable("-moz-windows-classic: 0");
+expression_should_be_parseable("-moz-windows-glass: 0");
+expression_should_be_parseable("-moz-touch-enabled: 0");
+expression_should_be_parseable("-moz-swipe-animation-enabled: 0");
+expression_should_be_parseable("-moz-scrollbar-start-backward: 1");
+expression_should_be_parseable("-moz-scrollbar-start-forward: 1");
+expression_should_be_parseable("-moz-scrollbar-end-backward: 1");
+expression_should_be_parseable("-moz-scrollbar-end-forward: 1");
+expression_should_be_parseable("-moz-scrollbar-thumb-proportional: 1");
+expression_should_be_parseable("-moz-images-in-menus: 1");
+expression_should_be_parseable("-moz-images-in-buttons: 1");
+expression_should_be_parseable("-moz-overlay-scrollbars: 1");
+expression_should_be_parseable("-moz-windows-default-theme: 1");
+expression_should_be_parseable("-moz-mac-graphite-theme: 1");
+expression_should_be_parseable("-moz-mac-lion-theme: 1");
+expression_should_be_parseable("-moz-windows-compositor: 1");
+expression_should_be_parseable("-moz-windows-classic: 1");
+expression_should_be_parseable("-moz-windows-glass: 1");
+expression_should_be_parseable("-moz-touch-enabled: 1");
+expression_should_be_parseable("-moz-swipe-animation-enabled: 1");
+expression_should_not_be_parseable("-moz-scrollbar-start-backward: -1");
+expression_should_not_be_parseable("-moz-scrollbar-start-forward: -1");
+expression_should_not_be_parseable("-moz-scrollbar-end-backward: -1");
+expression_should_not_be_parseable("-moz-scrollbar-end-forward: -1");
+expression_should_not_be_parseable("-moz-scrollbar-thumb-proportional: -1");
+expression_should_not_be_parseable("-moz-images-in-menus: -1");
+expression_should_not_be_parseable("-moz-images-in-buttons: -1");
+expression_should_not_be_parseable("-moz-overlay-scrollbars: -1");
+expression_should_not_be_parseable("-moz-windows-default-theme: -1");
+expression_should_not_be_parseable("-moz-mac-graphite-theme: -1");
+expression_should_not_be_parseable("-moz-mac-lion-theme: -1");
+expression_should_not_be_parseable("-moz-windows-compositor: -1");
+expression_should_not_be_parseable("-moz-windows-classic: -1");
+expression_should_not_be_parseable("-moz-windows-glass: -1");
+expression_should_not_be_parseable("-moz-touch-enabled: -1");
+expression_should_not_be_parseable("-moz-swipe-animation-enabled: -1");
+expression_should_not_be_parseable("-moz-scrollbar-start-backward: true");
+expression_should_not_be_parseable("-moz-scrollbar-start-forward: true");
+expression_should_not_be_parseable("-moz-scrollbar-end-backward: true");
+expression_should_not_be_parseable("-moz-scrollbar-end-forward: true");
+expression_should_not_be_parseable("-moz-scrollbar-thumb-proportional: true");
+expression_should_not_be_parseable("-moz-images-in-menus: true");
+expression_should_not_be_parseable("-moz-images-in-buttons: true");
+expression_should_not_be_parseable("-moz-overlay-scrollbars: true");
+expression_should_not_be_parseable("-moz-windows-default-theme: true");
+expression_should_not_be_parseable("-moz-mac-graphite-theme: true");
+expression_should_not_be_parseable("-moz-mac-lion-theme: true");
+expression_should_not_be_parseable("-moz-windows-compositor: true");
+expression_should_not_be_parseable("-moz-windows-classic: true");
+expression_should_not_be_parseable("-moz-windows-glass: true");
+expression_should_not_be_parseable("-moz-touch-enabled: true");
+expression_should_not_be_parseable("-moz-swipe-animation-enabled: true");
+// windows theme media queries
+expression_should_be_parseable("-moz-windows-theme: aero");
+expression_should_be_parseable("-moz-windows-theme: aero-lite");
+expression_should_be_parseable("-moz-windows-theme: luna-blue");
+expression_should_be_parseable("-moz-windows-theme: luna-olive");
+expression_should_be_parseable("-moz-windows-theme: luna-silver");
+expression_should_be_parseable("-moz-windows-theme: royale");
+expression_should_be_parseable("-moz-windows-theme: generic");
+expression_should_be_parseable("-moz-windows-theme: zune");
+expression_should_be_parseable("-moz-windows-theme: garbage");
+expression_should_not_be_parseable("-moz-windows-theme: ''");
+expression_should_not_be_parseable("-moz-windows-theme: ");
+// os version media queries (currently windows only)
+expression_should_be_parseable("-moz-os-version: windows-xp");
+expression_should_be_parseable("-moz-os-version: windows-vista");
+expression_should_be_parseable("-moz-os-version: windows-win7");
+expression_should_be_parseable("-moz-os-version: windows-win8");
+expression_should_not_be_parseable("-moz-os-version: ");
+// OpenType SVG media features
+query_should_be_parseable("(-moz-is-glyph)");
+query_should_not_be_parseable("not (-moz-is-glyph)");
+query_should_not_be_parseable("only (-moz-is-glyph)");
+query_should_be_parseable("all and (-moz-is-glyph)");
+query_should_be_parseable("not all and (-moz-is-glyph)");
+query_should_be_parseable("only all and (-moz-is-glyph)");
+query_should_be_parseable("(-moz-is-glyph:0)");
+query_should_not_be_parseable("not (-moz-is-glyph:0)");
+query_should_not_be_parseable("only (-moz-is-glyph:0)");
+query_should_be_parseable("all and (-moz-is-glyph:0)");
+query_should_be_parseable("not all and (-moz-is-glyph:0)");
+query_should_be_parseable("only all and (-moz-is-glyph:0)");
+query_should_be_parseable("(-moz-is-glyph:1)");
+query_should_not_be_parseable("not (-moz-is-glyph:1)");
+query_should_not_be_parseable("only (-moz-is-glyph:1)");
+query_should_be_parseable("all and (-moz-is-glyph:1)");
+query_should_be_parseable("not all and (-moz-is-glyph:1)");
+query_should_be_parseable("only all and (-moz-is-glyph:1)");
+query_should_not_be_parseable("(min--moz-is-glyph:0)");
+query_should_not_be_parseable("(max--moz-is-glyph:0)");
+query_should_not_be_parseable("(min--moz-is-glyph:1)");
+query_should_not_be_parseable("(max--moz-is-glyph:1)");
+should_apply("not all and (-moz-is-glyph)");
+should_apply("(-moz-is-glyph:0)");
+should_apply("not all and (-moz-is-glyph:1)");
+should_apply("only all and (-moz-is-glyph:0)");
+should_not_apply("(-moz-is-glyph)");
+should_not_apply("(-moz-is-glyph:1)");
+should_not_apply("not all and (-moz-is-glyph:0)");
+should_not_apply("only all and (-moz-is-glyph:1)");
+// Parsing tests
+// bug 454227
+should_apply_unbalanced("(orientation");
+should_not_apply_unbalanced("not all and (orientation");
+should_not_apply_unbalanced("(orientation:");
+should_apply_unbalanced("all,(orientation:");
+should_not_apply_unbalanced("(orientation:,all");
+should_apply_unbalanced("not all and (grid");
+should_not_apply_unbalanced("only all and (grid");
+should_not_apply_unbalanced("(grid");
+should_apply_unbalanced("all,(grid");
+should_not_apply_unbalanced("(grid,all");
+// bug 454226
+should_apply(",all");
+should_apply("all,");
+should_apply(",all,");
+should_apply("all,badmedium");
+should_apply("badmedium,all");
+should_not_apply(",badmedium,");
+should_apply("all,(badexpression)");
+should_apply("(badexpression),all");
+should_not_apply("(badexpression),badmedium");
+should_not_apply("badmedium,(badexpression)");
+should_apply("all,[badsyntax]");
+should_apply("[badsyntax],all");
+should_not_apply("badmedium,[badsyntax]");
+should_not_apply("[badsyntax],badmedium");
+// bug 528096
+should_not_apply_unbalanced("((resolution),all");
+should_not_apply_unbalanced("(resolution(),all");
+should_not_apply_unbalanced("(resolution (),all");
+should_not_apply_unbalanced("(resolution:(),all");
+handle_posted_items();
+}
+/*
+* The cloning tests have to post tests that wait for onload.  However,
+* we also make a bunch of state changes during the tests above.  So we
+* always change state using the change_state call, with both makes the
+* change immediately and posts an item in the same queue so that we
+* make the same state change again later.
+*/
+var posted_items = [];
+function change_state(func)
+{
+func();
+posted_items.push({state: func});
+}
+function post_clone_test(docurl, testfunc)
+{
+posted_items.push({docurl: docurl, testfunc: testfunc});
+}
+function handle_posted_items()
+{
+if (posted_items.length == 0) {
+SimpleTest.finish();
+return;
+}
+if ("state" in posted_items[0]) {
+var item = posted_items.shift();
+item.state();
+handle_posted_items();
+return;
+}
+var docurl = posted_items[0].docurl;
+iframe.onload = handle_iframe_onload;
+iframe.src = docurl;
+}
+function handle_iframe_onload(event)
+{
+if (event.target != iframe)
+return;
+var item = posted_items.shift();
+item.testfunc();
+handle_posted_items();
+}
+</script>
+</pre>
+</body>
+</html>

The Tor Browser / file comparison

comparison: layout/style/test/test_media_queries.html

layout/style/test/test_media_queries.html