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test_media_queries.html
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test_media_queries.html
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<!DOCTYPE HTML>
<html>
<head>
<title>Media Queries Self-Contained Test Suite</title>
<link rel="author" title="L. David Baron" href="https://dbaron.org/">
<link rel="author" title="Anne van Kesteren" href="http://annevankesteren.nl/">
<link rel="author" title="Ms2ger" href="mailto:Ms2ger@gmail.com">
<link rel="help" href="https://www.w3.org/TR/css3-mediaqueries/#media0">
<script type="text/javascript" src="/resources/testharness.js"></script>
<script type="text/javascript" src="/resources/testharnessreport.js"></script>
</head>
<body onload="run()">
<div id=log></div>
<iframe id="subdoc" src="support/media_queries_iframe.html"></iframe>
<div id="content" style="display: none"></div>
<script type="text/javascript">
setup({ "explicit_done": true });
function run() {
var subdoc = document.getElementById("subdoc").contentDocument;
var subwin = document.getElementById("subdoc").contentWindow;
var style = subdoc.getElementById("style");
var iframe_style = document.getElementById("subdoc").style;
var body_cs = subdoc.defaultView.getComputedStyle(subdoc.body, "");
var testGroup = "";
function query_applies(q) {
style.setAttribute("media", q);
return body_cs.getPropertyValue("text-decoration-line") == "underline";
}
function not(predicate) {
return (...args) => !predicate(...args);
}
function test_predicate(input, predicate, name) {
test(() => {
// lazily evaluate template string to avoid including device-specific data in test name
var escaped = JSON.stringify(input);
var evaled = eval("`" + escaped.substring(1, escaped.length - 1) + "`");
// Also avoid an assert message for the same reason. (Relevant for
// failing tests).
assert_true(predicate(evaled))
}, `${testGroup ? testGroup + ": " : ""}${name}: ${input}`);
}
function should_apply(q) {
test_predicate(q, query_applies, "should_apply");
}
function should_not_apply(q) {
test_predicate(q, not(query_applies), "should_not_apply");
}
/*
* Functions to test whether a query is parseable at all. (Should not
* be used for parse errors within expressions.)
*/
var parse_test_style_element = document.createElement("style");
parse_test_style_element.type = "text/css";
parse_test_style_element.disabled = true; // for performance, hopefully
var parse_test_style_text = document.createTextNode("");
parse_test_style_element.appendChild(parse_test_style_text);
document.getElementsByTagName("head")[0]
.appendChild(parse_test_style_element);
function query_is_parseable(q) {
parse_test_style_text.data = "@media screen, " + q + " {}";
var sheet = parse_test_style_element.sheet; // XXX yikes, not live!
if (sheet.cssRules.length == 1 &&
sheet.cssRules[0].type == CSSRule.MEDIA_RULE)
return sheet.cssRules[0].media.mediaText != "screen, not all";
assert_unreached(
"unexpected result testing whether query " + q + " is parseable");
}
function query_should_be_parseable(q) {
test_predicate(q, query_is_parseable, "query_should_be_parseable");
}
function query_should_not_be_parseable(q) {
test_predicate(q, not(query_is_parseable), "query_should_not_be_parseable");
}
/*
* Functions to test whether a single media expression is "unknown" or not.
*
* https://drafts.csswg.org/mediaqueries-4/#evaluating
*/
function expression_is_parseable(e) {
return query_is_parseable(`(${e})`);
}
function expression_is_known(e) {
return query_applies(`(${e}), not all and (${e})`);
}
function expression_should_be_known(e) {
// We don't bother with expression_is_parseable here, because it must be parseable to be known
test_predicate(e, expression_is_known, "expression_should_be_known");
}
function expression_should_be_unknown(e) {
test_predicate(e, expression_is_parseable, "expression_should_be_parseable");
test_predicate(e, not(expression_is_known), "expression_should_be_unknown");
}
// The no-type syntax doesn't mix with the not and only keywords.
query_should_be_parseable("(orientation)");
query_should_be_parseable("not (orientation)");
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)");
query_should_be_parseable("(orientation) and (orientation)");
query_should_be_parseable("(orientation) or (orientation)");
query_should_be_parseable("(orientation) or ((orientation) and ((orientation) or (orientation) or (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)");
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_be_unknown("min-" + feature);
expression_should_be_unknown("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_be_unknown("min-" + feature + " " + separator + " -0");
expression_should_be_unknown("max-" + feature + " " + separator + " -0");
let multi_range = "0px " + separator + " " + feature + " " + separator + " 100000px"
if (separator == "=") {
expression_should_be_unknown(multi_range);
} else {
expression_should_be_known(multi_range);
}
}
if (separator == ">=") {
expression_should_be_unknown(feature + " > = 0px");
} else if (separator == "<=") {
expression_should_be_unknown(feature + " < = 0px");
}
expression_should_be_known(feature + " " + separator + " -1px");
if (separator == ":") {
expression_should_be_known("min-" + feature + " " + separator + " -1px");
expression_should_be_known("max-" + feature + " " + separator + " -1px");
} else {
expression_should_be_unknown("min-" + feature + " " + separator + " -1px");
expression_should_be_unknown("max-" + feature + " " + separator + " -1px");
}
expression_should_be_known(feature + " " + separator + " -0.00001mm");
expression_should_be_known(feature + " " + separator + " -100000em");
for (let separator2 of separators) {
// https://drafts.csswg.org/mediaqueries-4/#typedef-mf-range
if (separator[0] == separator2[0] && (separator[0] == '<' || separator[0] == '>')) {
expression_should_be_known(`0px ${separator} ${feature} ${separator2} 0px`);
} else {
expression_should_be_unknown(`0px ${separator} ${feature} ${separator2} 0px`);
}
}
}
}
var content_div = document.getElementById("content");
content_div.style.font = "medium sans-serif";
var em_size =
getComputedStyle(content_div, "").fontSize.match(/^(\d+)px$/)[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;
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_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 + " <= ${value - 1}px)");
should_apply("(${value - 1}px < " + feature + ")");
should_apply("(${value - 1}px <= " + feature + ")");
should_not_apply("(${value - 1}px > " + feature + ")");
should_not_apply("(${value - 1}px >= " + feature + ")");
should_apply("(${value - 1}px < " + feature + " < ${value + 1}px)");
should_apply("(${value - 1}px < " + feature + " <= ${value}px)");
should_apply("(${value}px <= " + feature + " < ${value + 1}px)");
should_apply("(${value + 1}px > " + feature + " > ${value - 1}px)");
should_apply("(${value + 1}px > " + feature + " >= ${value}px)");
should_apply("(${value}px >= " + feature + " > ${value - 1}px)");
should_not_apply("(${value}px > " + feature + " > ${value - 1}px)");
should_not_apply("(${value + 1}px > " + feature + " > ${value}px)");
}
iframe_style.width = "0";
testGroup = "width = 0, height != 0";
should_apply("all and (height)");
should_not_apply("all and (width)");
iframe_style.height = "0";
testGroup = "width = 0, 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)");
iframe_style.width = width_val + "px";
testGroup = "width != 0, height = 0";
should_not_apply("all and (height)");
should_apply("all and (width)");
iframe_style.height = height_val + "px";
testGroup = "width != 0, height != 0";
should_apply("all and (height)");
should_apply("all and (width)");
testGroup = "";
testGroup = "ratio that reduces to 59/40";
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_be_unknown("min-orientation");
expression_should_be_unknown("min-orientation: portrait");
expression_should_be_unknown("min-orientation: landscape");
expression_should_be_unknown("max-orientation");
expression_should_be_unknown("max-orientation: portrait");
expression_should_be_unknown("max-orientation: landscape");
should_apply("(orientation)");
should_apply("(orientation: landscape)");
should_not_apply("(orientation: portrait)");
should_apply("not all and (orientation: portrait)");
testGroup = "ratio that reduces to 59/80";
iframe_style.height = "320px";
should_apply("(orientation)");
should_not_apply("(orientation: landscape)");
should_apply("not all and (orientation: landscape)");
should_apply("(orientation: portrait)");
testGroup = "";
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_be_unknown("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_be_unknown("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_be_unknown("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_be_unknown("max-device-aspect-ratio");
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 + ": 0/1");
expression_should_be_known(feature + ": 1/0");
expression_should_be_known(feature + ": 0/0");
expression_should_be_unknown(feature + ": -1/1");
expression_should_be_unknown(feature + ": 1/-1");
expression_should_be_unknown(feature + ": -1/-1");
expression_should_be_unknown(feature + ": invalid");
expression_should_be_unknown(feature + ": 1 / invalid");
expression_should_be_unknown(feature + ": 1 invalid");
}
var is_monochrome = query_applies("all and (min-monochrome: 1)");
var is_color = query_applies("all and (min-color: 1)");
test(function() {
assert_not_equals(is_monochrome, is_color, "should be either monochrome or color");
}, "monochrome_and_color");
function depth_query(prefix, depth) {
return "all and (" + prefix + (is_color ? "color" : "monochrome") +
":" + depth + ")";
}
var depth = 0;
do {
if (depth > 50) {
break;
}
} while (query_applies(depth_query("min-", ++depth)));
test(function() {
assert_false(50 < depth);
}, "find_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_be_unknown("max-color");
expression_should_be_unknown("min-color");
(is_color ? should_not_apply : should_apply)("all and (monochrome)");
expression_should_be_unknown("max-monochrome");
expression_should_be_unknown("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_be_unknown(feature + ": 1.0");
expression_should_be_known(feature + ": -1");
expression_should_be_unknown(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_be_known(feature + ": 0dpi");
expression_should_be_known(feature + ": 0dppx");
expression_should_be_known(feature + ": 0x");
expression_should_be_known(feature + ": calc(6x / 2)");
expression_should_be_unknown(feature + ": -3dpi");
}
// Find the resolution using max-resolution
var resolution = 0;
do {
++resolution;
if (resolution > 10000) {
break;
}
} while (!query_applies("(max-resolution: " + resolution + "dpi)"));
test(function() {
assert_false(10000 < resolution);
}, "find_resolution");
// 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)`)) { // query_applies, so template literal!
// It's exact!
testGroup = "resolution is 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.
testGroup = "resolution is inexact";
should_not_apply("(resolution: ${resolution}dpi)");
should_not_apply("(resolution: ${resolution - 1}dpi)");
dpi_high = resolution;
}
testGroup = "";
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_be_unknown("min-scan:interlace");
expression_should_be_unknown("scan: 1");
expression_should_be_unknown("max-scan");
expression_should_be_unknown("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_unknown("min-grid");
expression_should_be_unknown("min-grid:0");
expression_should_be_unknown("max-grid: 1");
expression_should_be_unknown("grid: 2");
expression_should_be_unknown("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)");
// Parsing tests
// bug 454227
should_apply("(orientation");
should_not_apply("not all and (orientation");
should_not_apply("(orientation:");
should_not_apply("(orientation:)");
should_not_apply("(orientation: )");
should_apply("all,(orientation:");
should_not_apply("(orientation:,all");
should_apply("not all and (grid");
should_not_apply("only all and (grid");
should_not_apply("(grid");
should_apply("all,(grid");
should_not_apply("(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");
// Parsing tests based on Acid3
query_should_not_be_parseable("all and color :");
query_should_not_be_parseable("all and color : 1");
should_not_apply("all and min-color : 1");
should_not_apply("(bogus)");
should_not_apply("not all and (bogus)")
should_not_apply("only all and (bogus)")
// Parsing tests for overflow-block from mediaqueries-4
expression_should_be_known("overflow-block")
expression_should_be_known("overflow-block: none")
expression_should_be_known("overflow-block: paged")
expression_should_be_known("overflow-block: scroll")
expression_should_be_unknown("overflow-block: optional-paged")
expression_should_be_unknown("overflow-block: some-random-invalid-thing")
// Sanity check for overflow-block
test(function() {
var any_overflow_block = query_applies("(overflow-block)");
var overflow_block_none = query_applies("(overflow-block: none)");
assert_not_equals(any_overflow_block, overflow_block_none, "overflow-block should be equivalent to not (overflow-block: none)");
}, "Sanity check for overflow-block");
// Parsing tests for overflow-inline from mediaqueries-4
expression_should_be_known("overflow-inline")
expression_should_be_known("overflow-inline: none")
expression_should_be_known("overflow-inline: scroll")
expression_should_be_unknown("overflow-inline: some-random-invalid-thing")
// Sanity check for overflow-inline
test(function() {
var any_overflow_inline = query_applies("(overflow-inline)");
var overflow_inline_none = query_applies("(overflow-inline: none)");
assert_not_equals(any_overflow_inline, overflow_inline_none, "overflow-inline should be equivalent to not (overflow-inline: none)");
}, "Sanity check for overflow-inline");
// Parsing tests for update from mediaqueries-4
expression_should_be_known("update")
expression_should_be_known("update: none")
expression_should_be_known("update: slow")
expression_should_be_known("update: fast")
expression_should_be_unknown("update: some-random-invalid-thing")
// Sanity check for update
test(function() {
var any_update = query_applies("(update)");
var update_none = query_applies("(update: none)");
assert_not_equals(any_update, update_none, "update should be equivalent to not (update: none)");
}, "Sanity check for update");
// Parsing tests for interaction media features.
expression_should_be_known("hover")
expression_should_be_known("hover: hover")
expression_should_be_known("hover: none")
expression_should_be_known("any-hover")
expression_should_be_known("any-hover: hover")
expression_should_be_known("any-hover: none")
test(function() {
assert_equals(query_applies("(hover)"), query_applies("(hover: hover)"));
} , "(hover) == (hover: hover)");
test(function() {
assert_not_equals(query_applies("(hover)"), query_applies("(hover: none)"));
}, "(hover) == not (hover: none)");
test(function() {
assert_equals(query_applies("(any-hover)"), query_applies("(any-hover: hover)"));
}, "(any-hover) == (any-hover: hover)");
test(function() {
assert_not_equals(query_applies("(any-hover)"), query_applies("(any-hover: none)"));
}, "(any-hover) == not (any-hover: none)");
expression_should_be_known("pointer")
expression_should_be_known("pointer: coarse")
expression_should_be_known("pointer: fine")
expression_should_be_known("pointer: none")
expression_should_be_known("any-pointer")
expression_should_be_known("any-pointer: coarse")
expression_should_be_known("any-pointer: fine")
expression_should_be_known("any-pointer: none")
test(function() {
assert_equals(query_applies("(pointer)"),
query_applies("(pointer: coarse)") || query_applies("(pointer: fine)"));
}, "(pointer) == (pointer: coarse) or (pointer: fine)");
test(function() {
assert_not_equals(query_applies("(pointer)"),
query_applies("(pointer: none)"));
}, "(pointer) == not (pointer: none)");
test(function() {
assert_equals(query_applies("(any-pointer)"),
query_applies("(any-pointer: coarse)") || query_applies("(any-pointer: fine)"));
}, "(any-pointer) == (any-pointer: coarse) or (any-pointer: fine)");
test(function() {
assert_not_equals(query_applies("(any-pointer)"),
query_applies("(any-pointer: none)"));
}, "(any-pointer) == not (any-pointer: none)");
iframe_style.width = '100px';
iframe_style.height = '0px';
testGroup = "'or' keyword"
should_not_apply("(height) or (height)");
should_apply("(width) or (height)");
should_apply("(height) or (width)");
should_apply("(height) or (width) or (height)");
query_should_not_be_parseable("screen or (width)");
query_should_not_be_parseable("screen and (width) or (height)");
testGroup = "nesting"
should_not_apply("((height))");
should_apply("((width))");
should_apply("(((((width)))))");
should_apply("(((((width");
testGroup = "'not' keyword"
should_not_apply("not (width)");
should_apply("not (height)");
should_apply("not ((width) and (height))");
should_not_apply("not ((width) or (height))");
should_not_apply("not ((width) and (not (height)))");
query_should_not_be_parseable("not (width) and not (height)");
query_should_not_be_parseable("not not (width)");
query_should_be_parseable("not unknown(width) ");
testGroup = "three-valued logic"
should_not_apply("(unknown)");
should_not_apply("not (unknown)");
should_not_apply("((unknown) and (width))");
should_not_apply("not ((unknown) and (width))");
should_not_apply("((unknown) and (height))");
should_apply("not ((unknown) and (height))");
should_apply("((unknown) or (width))");
should_not_apply("not ((unknown) or (width))");
should_not_apply("((unknown) or (height))");
should_not_apply("not ((unknown) or (height))");
should_apply("(width) or (not ((unknown) and (width)))");
should_not_apply("(width) and (not ((unknown) and (width)))");
should_apply("(width) or (not ((unknown) or (width)))");
should_not_apply("(width) and (not ((unknown) or (width)))");
should_apply("(width) or (not ((unknown) and (height)))");
should_apply("(width) and (not ((unknown) and (height)))");
should_apply("(width) or (not ((unknown) or (height)))");
should_not_apply("(width) and (not ((unknown) or (height)))");
should_not_apply("unknown(width)");
should_not_apply("not unknown(width)");
should_apply("not (unknown(width) and (height))");
should_not_apply("not (unknown(width) or (height))");
testGroup = ""
done();
}
</script>
</body>
</html>