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test_media_queries.html
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test_media_queries.html
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<!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>
<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 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-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");
}
/*
* 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");
}
// 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_parseable(min_name);
expression_should_not_be_parseable(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.
query_should_be_parseable("(orientation)");
query_should_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_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))))");
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_parseable(feature);
expression_should_not_be_parseable("min-" + feature);
expression_should_not_be_parseable("max-" + feature);
for (let separator of separators) {
expression_should_be_parseable(feature + " " + separator + " 0");
expression_should_be_parseable(feature + " " + separator + " 0px");
expression_should_be_parseable(feature + " " + separator + " 0em");
expression_should_be_parseable(feature + " " + separator + " -0");
expression_should_be_parseable(feature + " " + separator + " -0cm");
expression_should_be_parseable(feature + " " + separator + " 1px");
expression_should_be_parseable(feature + " " + separator + " 0.001mm");
expression_should_be_parseable(feature + " " + separator + " 100000px");
if (separator == ":") {
expression_should_be_parseable("min-" + feature + " " + separator + " -0");
expression_should_be_parseable("max-" + feature + " " + separator + " -0");
} else {
expression_should_not_be_parseable("min-" + feature + " " + separator + " -0");
expression_should_not_be_parseable("max-" + feature + " " + separator + " -0");
}
expression_should_not_be_parseable(feature + " " + separator + " -1px");
expression_should_not_be_parseable("min-" + feature + " " + separator + " -1px");
expression_should_not_be_parseable("max-" + feature + " " + separator + " -1px");
expression_should_not_be_parseable(feature + " " + separator + " -0.00001mm");
expression_should_not_be_parseable(feature + " " + separator + " -100000em");
}
}
var mediatypes = ["browser", "minimal-ui", "standalone", "fullscreen"];
mediatypes.forEach(function(type) {
expression_should_be_parseable("display-mode: " + type);
});
expression_should_not_be_parseable("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_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_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)");
// 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_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");
// 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_parseable("-webkit-device-pixel-ratio: 1.0");
expression_should_not_be_parseable("device-pixel-ratio: 1.0");
expression_should_be_parseable("-webkit-min-device-pixel-ratio: 1.0");
expression_should_not_be_parseable("min-device-pixel-ratio: 1.0");
expression_should_be_parseable("-webkit-max-device-pixel-ratio: 1.0");
expression_should_not_be_parseable("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_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");
if (SpecialPowers.getBoolPref('layout.css.aspect-ratio-number.enabled')) {
expression_should_be_parseable(feature + ": 1");
expression_should_be_parseable(feature + ": 0.5");
expression_should_be_parseable(feature + ": 1.0/1");
expression_should_be_parseable(feature + ": 1/1.0");
expression_should_be_parseable(feature + ": 1.0/1.0");
expression_should_be_parseable(feature + ": 1.5/1.2");
expression_should_be_parseable(feature + ": 1.5");
expression_should_be_parseable(feature + ": calc(1.2 * 1.3)");
expression_should_be_parseable(feature + ": 1.1/calc(2.2 * 2.3)");
expression_should_be_parseable(feature + ": calc(1.2 * 1.3)/2.2");
expression_should_be_parseable(feature + ": calc(1.2 * 1.3)/calc(2.2 * 2.3)");
} else {
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");
expression_should_not_be_parseable(feature + ": -1/-1");
expression_should_not_be_parseable(feature + ": -1/-1");
expression_should_not_be_parseable(feature + ": invalid");
expression_should_not_be_parseable(feature + ": 1 / invalid");
expression_should_not_be_parseable(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_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 + ": 1x");
expression_should_be_parseable(feature + ": 1.5dppx");
expression_should_be_parseable(feature + ": 1.5x");
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");
expression_should_not_be_parseable(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_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_not_be_parseable("-moz-scrollbar-start-backward");
expression_should_not_be_parseable("-moz-scrollbar-start-forward");
expression_should_not_be_parseable("-moz-scrollbar-end-backward");
expression_should_not_be_parseable("-moz-scrollbar-end-forward");
expression_should_not_be_parseable("-moz-scrollbar-thumb-proportional");
expression_should_not_be_parseable("-moz-overlay-scrollbars");
expression_should_not_be_parseable("-moz-windows-default-theme");
expression_should_not_be_parseable("-moz-mac-graphite-theme");
expression_should_not_be_parseable("-moz-mac-yosemite-theme");
expression_should_not_be_parseable("-moz-windows-accent-color-in-titlebar");
expression_should_not_be_parseable("-moz-windows-compositor");
expression_should_not_be_parseable("-moz-windows-classic");
expression_should_not_be_parseable("-moz-windows-glass");
expression_should_not_be_parseable("-moz-swipe-animation-enabled");
expression_should_not_be_parseable("-moz-gtk-csd-available");
expression_should_not_be_parseable("-moz-gtk-csd-hide-titlebar-by-default");
expression_should_not_be_parseable("-moz-gtk-csd-transparent-background");
expression_should_not_be_parseable("-moz-gtk-csd-minimize-button");
expression_should_not_be_parseable("-moz-gtk-csd-maximize-button");
expression_should_not_be_parseable("-moz-gtk-csd-close-button");
expression_should_not_be_parseable("-moz-gtk-csd-reversed-placement");
expression_should_not_be_parseable("-moz-scrollbar-start-backward: 0");
expression_should_not_be_parseable("-moz-scrollbar-start-forward: 0");
expression_should_not_be_parseable("-moz-scrollbar-end-backward: 0");
expression_should_not_be_parseable("-moz-scrollbar-end-forward: 0");
expression_should_not_be_parseable("-moz-scrollbar-thumb-proportional: 0");
expression_should_not_be_parseable("-moz-overlay-scrollbars: 0");
expression_should_not_be_parseable("-moz-windows-default-theme: 0");
expression_should_not_be_parseable("-moz-mac-graphite-theme: 0");
expression_should_not_be_parseable("-moz-mac-yosemite-theme: 0");
expression_should_not_be_parseable("-moz-windows-accent-color-in-titlebar: 0");
expression_should_not_be_parseable("-moz-windows-compositor: 0");
expression_should_not_be_parseable("-moz-windows-classic: 0");
expression_should_not_be_parseable("-moz-windows-glass: 0");
expression_should_not_be_parseable("-moz-swipe-animation-enabled: 0");
expression_should_not_be_parseable("-moz-gtk-csd-available: 0");
expression_should_not_be_parseable("-moz-gtk-csd-hide-titlebar-by-default: 0");
expression_should_not_be_parseable("-moz-gtk-csd-transparent-background: 0");
expression_should_not_be_parseable("-moz-gtk-csd-minimize-button: 0");
expression_should_not_be_parseable("-moz-gtk-csd-maximize-button: 0");
expression_should_not_be_parseable("-moz-gtk-csd-close-button: 0");
expression_should_not_be_parseable("-moz-gtk-csd-reversed-placement: 0");
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-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-yosemite-theme: 1");
expression_should_not_be_parseable("-moz-windows-accent-color-in-titlebar: 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-swipe-animation-enabled: 1");
expression_should_not_be_parseable("-moz-gtk-csd-available: 1");
expression_should_not_be_parseable("-moz-gtk-csd-hide-titlebar-by-default: 1");
expression_should_not_be_parseable("-moz-gtk-csd-transparent-background: 1");
expression_should_not_be_parseable("-moz-gtk-csd-minimize-button: 1");
expression_should_not_be_parseable("-moz-gtk-csd-maximize-button: 1");
expression_should_not_be_parseable("-moz-gtk-csd-close-button: 1");
expression_should_not_be_parseable("-moz-gtk-csd-reversed-placement: 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-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-yosemite-theme: -1");
expression_should_not_be_parseable("-moz-windows-accent-color-in-titlebar: -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-gtk-csd-available: -1");
expression_should_not_be_parseable("-moz-gtk-csd-hide-titlebar-by-default: -1");
expression_should_not_be_parseable("-moz-gtk-csd-transparent-background: -1");
expression_should_not_be_parseable("-moz-gtk-csd-minimize-button: -1");
expression_should_not_be_parseable("-moz-gtk-csd-maximize-button: -1");
expression_should_not_be_parseable("-moz-gtk-csd-close-button: -1");
expression_should_not_be_parseable("-moz-gtk-csd-reversed-placement: -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-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-yosemite-theme: true");
expression_should_not_be_parseable("-moz-windows-accent-color-in-titlebar: 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");
expression_should_not_be_parseable("-moz-gtk-csd-available: true");
expression_should_not_be_parseable("-moz-gtk-csd-hide-titlebar-by-default: true");
expression_should_not_be_parseable("-moz-gtk-csd-transparent-background: true");
expression_should_not_be_parseable("-moz-gtk-csd-minimize-button: true");
expression_should_not_be_parseable("-moz-gtk-csd-maximize-button: true");
expression_should_not_be_parseable("-moz-gtk-csd-close-button: true");
expression_should_not_be_parseable("-moz-gtk-csd-reversed-placement: true");
// os version media queries (currently windows only)
expression_should_not_be_parseable("-moz-os-version: windows-win7");
expression_should_not_be_parseable("-moz-os-version: windows-win8");
expression_should_not_be_parseable("-moz-os-version: windows-win10");
expression_should_not_be_parseable("-moz-os-version: ");
{
let should_be_parseable_if_enabled = SpecialPowers.getBoolPref('layout.css.moz-touch-enabled.enabled')
? expression_should_be_parseable
: expression_should_not_be_parseable;
should_be_parseable_if_enabled("-moz-touch-enabled");
should_be_parseable_if_enabled("-moz-touch-enabled: 0");
should_be_parseable_if_enabled("-moz-touch-enabled: 1");
}
// OpenType SVG media features
query_should_not_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_not_be_parseable("all and (-moz-is-glyph)");
query_should_not_be_parseable("not all and (-moz-is-glyph)");
query_should_not_be_parseable("only all and (-moz-is-glyph)");
query_should_not_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_not_be_parseable("all and (-moz-is-glyph:0)");
query_should_not_be_parseable("not all and (-moz-is-glyph:0)");
query_should_not_be_parseable("only all and (-moz-is-glyph:0)");
query_should_not_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_not_be_parseable("all and (-moz-is-glyph:1)");
query_should_not_be_parseable("not all and (-moz-is-glyph:1)");
query_should_not_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_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).
query_should_not_be_parseable("(-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");
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>
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