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diff --git a/layout/style/test/test_media_queries.html b/layout/style/test/test_media_queries.html new file mode 100644 index 0000000000..ed39b41d16 --- /dev/null +++ b/layout/style/test/test_media_queries.html @@ -0,0 +1,865 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=156716 +--> +<head> + <title>Test for Bug 156716</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <script src="chrome/chrome-only-media-queries.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(); +SimpleTest.requestLongerTimeout(2); + +var iframe; + +function getScreenPixelsPerCSSPixel() { + return window.devicePixelRatio; +} + +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-line") == "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"); + } + + function expression_should_be_known(e) { + should_apply(`(${e}) or (not (${e}))`); + } + + function expression_should_not_be_known(e) { + should_not_apply(`(${e}) or (not (${e}))`); + } + + // Helper to share code between -moz & -webkit device-pixel-ratio versions: + function test_device_pixel_ratio(equal_name, min_name, max_name) { + var real_dpr = 1.0 * getScreenPixelsPerCSSPixel(); + var high_dpr = 1.1 * getScreenPixelsPerCSSPixel(); + var low_dpr = 0.9 * getScreenPixelsPerCSSPixel(); + should_apply("all and (" + max_name + ": " + real_dpr + ")"); + should_apply("all and (" + min_name + ": " + real_dpr + ")"); + should_not_apply("not all and (" + max_name + ": " + real_dpr + ")"); + should_not_apply("not all and (" + min_name + ": " + real_dpr + ")"); + should_apply("all and (" + min_name + ": " + low_dpr + ")"); + should_apply("all and (" + max_name + ": " + high_dpr + ")"); + should_not_apply("all and (" + max_name + ": " + low_dpr + ")"); + should_not_apply("all and (" + min_name + ": " + high_dpr + ")"); + should_apply("not all and (" + max_name + ": " + low_dpr + ")"); + should_apply("not all and (" + min_name + ": " + high_dpr + ")"); + should_apply("(" + equal_name + ": " + real_dpr + ")"); + should_not_apply("(" + equal_name + ": " + high_dpr + ")"); + should_not_apply("(" + equal_name + ": " + low_dpr + ")"); + should_apply("(" + equal_name + ")"); + expression_should_not_be_known(min_name); + expression_should_not_be_known(max_name); + } + + function test_serialization(q, test_application, expected_to_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) { + let applies = body_cs.getPropertyValue("text-decoration-line") == + "underline"; + is(applies, expected_to_apply, + "Media query '" + q + "' should " + (expected_to_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>"; + post_clone_test(htmldoc, 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].remove(); + + var ser3 = clonedsheet.cssRules[0].media.mediaText; + is(ser3, ser1, "cloning query '" + q + "' should not change " + + "serialization"); + if (test_application) { + let applies = clonewin.getComputedStyle(clonedoc.body). + textDecorationLine == "underline"; + is(applies, expected_to_apply, + "Media query '" + q + "' should " + (expected_to_apply ? "" : "NOT ") + + "apply after cloning"); + } + }); + } + + // The no-type syntax doesn't mix with the not and only keywords. + expression_should_be_known("(orientation)"); + expression_should_be_known("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_not_be_parseable("not not (orientation)"); + expression_should_be_known("(orientation) and (orientation)"); + expression_should_be_known("(orientation) or (orientation)"); + expression_should_be_known("(orientation) or ((orientation) and ((orientation) or (orientation) or (not (orientation))))"); + + query_should_not_be_parseable("all and (orientation) or (orientation)"); + query_should_be_parseable("all and (orientation) and (orientation)"); + + query_should_not_be_parseable("(orientation) and (orientation) or (orientation)"); + query_should_not_be_parseable("(orientation) and not (orientation)"); + + query_should_be_parseable("(-moz-device-orientation)"); + query_should_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 separators = [ ":", ">", ">=", "=", "<=", "<" ]; + + var feature; + var i; + for (i in features) { + feature = features[i]; + expression_should_be_known(feature); + expression_should_not_be_known("min-" + feature); + expression_should_not_be_known("max-" + feature); + for (let separator of separators) { + expression_should_be_known(feature + " " + separator + " 0"); + expression_should_be_known(feature + " " + separator + " 0px"); + expression_should_be_known(feature + " " + separator + " 0em"); + expression_should_be_known(feature + " " + separator + " -0"); + expression_should_be_known(feature + " " + separator + " -0cm"); + expression_should_be_known(feature + " " + separator + " 1px"); + expression_should_be_known(feature + " " + separator + " 0.001mm"); + expression_should_be_known(feature + " " + separator + " 100000px"); + if (separator == ":") { + expression_should_be_known("min-" + feature + " " + separator + " -0"); + expression_should_be_known("max-" + feature + " " + separator + " -0"); + } else { + expression_should_not_be_known("min-" + feature + " " + separator + " -0"); + expression_should_not_be_known("max-" + feature + " " + separator + " -0"); + let multi_range = "0px " + separator + " " + feature + " " + separator + " 100000px" + if (separator == "=") { + expression_should_not_be_known(multi_range); + } else { + expression_should_be_known(multi_range); + } + } + if (separator == ">=") { + expression_should_not_be_known(feature + " > = 0px"); + } else if (separator == "<=") { + expression_should_not_be_known(feature + " < = 0px"); + } + expression_should_not_be_known(feature + " " + separator + " -1px"); + expression_should_not_be_known("min-" + feature + " " + separator + " -1px"); + expression_should_not_be_known("max-" + feature + " " + separator + " -1px"); + expression_should_not_be_known(feature + " " + separator + " -0.00001mm"); + expression_should_not_be_known(feature + " " + separator + " -100000em"); + } + } + + var mediatypes = ["browser", "minimal-ui", "standalone", "fullscreen"]; + + mediatypes.forEach(function(type) { + expression_should_be_known("display-mode: " + type); + }); + + expression_should_not_be_known("display-mode: invalid") + + 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_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_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)"); + + should_apply("(" + feature + " <= " + value + "px)"); + should_apply("(" + feature + " >= " + value + "px)"); + + should_apply("(0px < " + feature + " <= " + value + "px)"); + should_apply("(" + value + "px >= " + feature + " > 0px)"); + + should_not_apply("(0px < " + feature + " < " + value + "px)"); + should_not_apply("(" + value + "px > " + feature + " > 0px)"); + + should_not_apply("(" + feature + " < " + value + "px)"); + should_not_apply("(" + feature + " > " + value + "px)"); + + should_apply("(" + feature + " < " + (value + 1) + "px)"); + should_apply("(" + feature + " <= " + (value + 1) + "px)"); + should_not_apply("(" + feature + " > " + (value + 1) + "px)"); + should_not_apply("(" + feature + " >= " + (value + 1) + "px)"); + + should_apply("(" + feature + " > " + (value - 1) + "px)"); + should_apply("(" + feature + " >= " + (value - 1) + "px)"); + should_not_apply("(" + feature + " < " + (value - 1) + "px)"); + should_not_apply("(" + feature + " <= " + (value - 1) + "px)"); + } + + 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_known("orientation"); + expression_should_be_known("orientation: portrait"); + expression_should_be_known("orientation: landscape"); + expression_should_not_be_known("min-orientation"); + expression_should_not_be_known("min-orientation: portrait"); + expression_should_not_be_known("min-orientation: landscape"); + expression_should_not_be_known("max-orientation"); + expression_should_not_be_known("max-orientation: portrait"); + expression_should_not_be_known("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_known("-moz-device-orientation"); + expression_should_be_known("-moz-device-orientation: portrait"); + expression_should_be_known("-moz-device-orientation: landscape"); + expression_should_not_be_known("min--moz-device-orientation"); + expression_should_not_be_known("min--moz-device-orientation: portrait"); + expression_should_not_be_known("min--moz-device-orientation: landscape"); + expression_should_not_be_known("max--moz-device-orientation"); + expression_should_not_be_known("max--moz-device-orientation: portrait"); + expression_should_not_be_known("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)"); + + // Test "unreasonable", but still valid aspect ratios, such as aspect ratios with negative numbers, + // and zeros, and with numbers near 2^32 and 2^64 (to check overflow). + should_not_apply("(aspect-ratio: 0/1)"); + should_not_apply("(aspect-ratio: 1/0)"); + should_not_apply("(aspect-ratio: -1/1)"); + should_not_apply("(aspect-ratio: 1/-1)"); + should_not_apply("(aspect-ratio: -1/-1)"); + should_not_apply("(aspect-ratio: -59/-80)"); + should_not_apply("(aspect-ratio: 4294967295/4294967295)"); + should_not_apply("(aspect-ratio: 4294967297/4294967297)"); + should_not_apply("(aspect-ratio: 18446744073709560000/18446744073709560000)"); + + // Test min and max aspect ratios. + 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_known("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_known("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_known("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_known("max-device-aspect-ratio"); + + // Tests for -moz- & -webkit versions of "device-pixel-ratio" + // (Note that the vendor prefixes go in different places.) + test_device_pixel_ratio("-moz-device-pixel-ratio", + "min--moz-device-pixel-ratio", + "max--moz-device-pixel-ratio"); + test_device_pixel_ratio("-webkit-device-pixel-ratio", + "-webkit-min-device-pixel-ratio", + "-webkit-max-device-pixel-ratio"); + + // Make sure that we don't accidentally start accepting *unprefixed* + // "device-pixel-ratio" expressions: + expression_should_be_known("-webkit-device-pixel-ratio: 1.0"); + expression_should_not_be_known("device-pixel-ratio: 1.0"); + expression_should_be_known("-webkit-min-device-pixel-ratio: 1.0"); + expression_should_not_be_known("min-device-pixel-ratio: 1.0"); + expression_should_be_known("-webkit-max-device-pixel-ratio: 1.0"); + expression_should_not_be_known("max-device-pixel-ratio: 1.0"); + + should_apply("(-webkit-transform-3d)"); + + features = [ "max-aspect-ratio", "device-aspect-ratio" ]; + for (i in features) { + feature = features[i]; + expression_should_be_known(feature + ": 1/1"); + expression_should_be_known(feature + ": 1 /1"); + expression_should_be_known(feature + ": 1 / \t\n1"); + expression_should_be_known(feature + ": 1/\r1"); + expression_should_be_known(feature + ": 1"); + expression_should_be_known(feature + ": 0.5"); + expression_should_be_known(feature + ": 1.0/1"); + expression_should_be_known(feature + ": 1/1.0"); + expression_should_be_known(feature + ": 1.0/1.0"); + expression_should_be_known(feature + ": 1.5/1.2"); + expression_should_be_known(feature + ": 1.5"); + expression_should_be_known(feature + ": calc(1.2 * 1.3)"); + expression_should_be_known(feature + ": 1.1/calc(2.2 * 2.3)"); + expression_should_be_known(feature + ": calc(1.2 * 1.3)/2.2"); + expression_should_be_known(feature + ": calc(1.2 * 1.3)/calc(2.2 * 2.3)"); + expression_should_be_known(feature + ": 0/1"); + expression_should_be_known(feature + ": 1/0"); + expression_should_be_known(feature + ": 0/0"); + expression_should_not_be_known(feature + ": -1/1"); + expression_should_not_be_known(feature + ": 1/-1"); + expression_should_not_be_known(feature + ": -1/-1"); + expression_should_not_be_known(feature + ": -1/-1"); + expression_should_not_be_known(feature + ": -1/-1"); + expression_should_not_be_known(feature + ": invalid"); + expression_should_not_be_known(feature + ": 1 / invalid"); + expression_should_not_be_known(feature + ": 1 invalid"); + } + + 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_known("max-color"); + expression_should_not_be_known("min-color"); + (is_color ? should_not_apply : should_apply)("all and (monochrome)"); + expression_should_not_be_known("max-monochrome"); + expression_should_not_be_known("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_known(feature + ": 1"); + expression_should_be_known(feature + ": 327"); + expression_should_be_known(feature + ": 0"); + expression_should_not_be_known(feature + ": 1.0"); + expression_should_not_be_known(feature + ": -1"); + expression_should_not_be_known(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_known(feature + ": 3dpi"); + expression_should_be_known(feature + ":3dpi"); + expression_should_be_known(feature + ": 3.0dpi"); + expression_should_be_known(feature + ": 3.4dpi"); + expression_should_be_known(feature + "\t: 120dpcm"); + expression_should_be_known(feature + ": 1dppx"); + expression_should_be_known(feature + ": 1x"); + expression_should_be_known(feature + ": 1.5dppx"); + expression_should_be_known(feature + ": 1.5x"); + expression_should_be_known(feature + ": 2.0dppx"); + expression_should_not_be_known(feature + ": 0dpi"); + expression_should_not_be_known(feature + ": -3dpi"); + expression_should_not_be_known(feature + ": 0dppx"); + expression_should_not_be_known(feature + ": 0x"); + } + + // 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_apply("(resolution: " + Math.floor(resolution/96) + "x)"); + 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_known("scan"); + expression_should_be_known("scan: progressive"); + expression_should_be_known("scan:interlace"); + expression_should_not_be_known("min-scan:interlace"); + expression_should_not_be_known("scan: 1"); + expression_should_not_be_known("max-scan"); + expression_should_not_be_known("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_known("grid"); + expression_should_be_known("grid: 0"); + expression_should_be_known("grid: 1"); + expression_should_be_known("grid: 1"); + expression_should_not_be_known("min-grid"); + expression_should_not_be_known("min-grid:0"); + expression_should_not_be_known("max-grid: 1"); + expression_should_not_be_known("grid: 2"); + expression_should_not_be_known("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)"); + + for (let toggle of CHROME_ONLY_TOGGLES) { + expression_should_not_be_known(toggle); + expression_should_not_be_known(toggle + ": 1"); + expression_should_not_be_known(toggle + ": 0"); + expression_should_not_be_known(toggle + ": -1"); + expression_should_not_be_known(toggle + ": true"); + expression_should_not_be_known(toggle + ": false"); + } + + for (let query of CHROME_ONLY_QUERIES) { + expression_should_not_be_known(query); + } + + { + let should_be_parseable_if_enabled = SpecialPowers.getBoolPref('layout.css.prefers-contrast.enabled') + ? expression_should_be_known + : expression_should_not_be_known; + should_be_parseable_if_enabled("prefers-contrast"); + should_be_parseable_if_enabled("prefers-contrast: more"); + should_be_parseable_if_enabled("prefers-contrast: less"); + should_be_parseable_if_enabled("prefers-contrast: custom"); + should_be_parseable_if_enabled("prefers-contrast: no-preference"); + } + + { + let should_be_parseable_if_enabled = SpecialPowers.getBoolPref('layout.css.forced-colors.enabled') + ? expression_should_be_known + : expression_should_not_be_known; + should_be_parseable_if_enabled("forced-colors"); + should_be_parseable_if_enabled("forced-colors: none"); + should_be_parseable_if_enabled("forced-colors: active"); + } + + // OpenType SVG media features + expression_should_not_be_known("(-moz-is-glyph)"); + expression_should_not_be_known("not (-moz-is-glyph)"); + expression_should_not_be_known("only (-moz-is-glyph)"); + expression_should_not_be_known("all and (-moz-is-glyph)"); + expression_should_not_be_known("not all and (-moz-is-glyph)"); + expression_should_not_be_known("only all and (-moz-is-glyph)"); + + expression_should_not_be_known("(-moz-is-glyph:0)"); + expression_should_not_be_known("not (-moz-is-glyph:0)"); + expression_should_not_be_known("only (-moz-is-glyph:0)"); + expression_should_not_be_known("all and (-moz-is-glyph:0)"); + expression_should_not_be_known("not all and (-moz-is-glyph:0)"); + expression_should_not_be_known("only all and (-moz-is-glyph:0)"); + + expression_should_not_be_known("(-moz-is-glyph:1)"); + expression_should_not_be_known("not (-moz-is-glyph:1)"); + expression_should_not_be_known("only (-moz-is-glyph:1)"); + expression_should_not_be_known("all and (-moz-is-glyph:1)"); + expression_should_not_be_known("not all and (-moz-is-glyph:1)"); + expression_should_not_be_known("only all and (-moz-is-glyph:1)"); + + expression_should_not_be_known("(min--moz-is-glyph:0)"); + expression_should_not_be_known("(max--moz-is-glyph:0)"); + expression_should_not_be_known("(min--moz-is-glyph:1)"); + expression_should_not_be_known("(max--moz-is-glyph:1)"); + + should_not_apply("not all and (-moz-is-glyph)"); + should_not_apply("(-moz-is-glyph:0)"); + should_not_apply("not all and (-moz-is-glyph:1)"); + should_not_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)"); + + // Resource documents (UA-only). + expression_should_not_be_known("(-moz-is-resource-document)"); + + // 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"); + + for (let rangeFeature of ["dynamic-range", "video-dynamic-range"]) { + should_apply("(" + rangeFeature + ": standard)"); + expression_should_be_known("(" + rangeFeature + ": high)"); + expression_should_not_be_known("(" + rangeFeature + ": low)"); + } + + 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(srcdoc, testfunc) +{ + posted_items.push({srcdoc, 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 srcdoc = posted_items[0].srcdoc; + iframe.onload = handle_iframe_onload; + iframe.srcdoc = srcdoc; +} + +function handle_iframe_onload(event) +{ + if (event.target != iframe) + return; + + var item = posted_items.shift(); + item.testfunc(); + handle_posted_items(); +} + +</script> +</pre> +</body> +</html> |