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Test Info:
- Manifest: layout/style/test/mochitest.toml
<!DOCTYPE HTML>
<html>
<head>
<meta charset=utf-8>
<title>unicode-range load tests using font loading api</title>
<link rel="author" title="John Daggett" href="mailto:jdaggett@mozilla.com">
<meta name="assert" content="unicode-range descriptor defines precisely which fonts should be loaded" />
<script type="text/javascript" src="/resources/testharness.js"></script>
<script type="text/javascript" src="/resources/testharnessreport.js"></script>
<style type="text/css">
</style>
</head>
<body>
<div id="log"></div>
<pre id="display"></pre>
<style id="testfonts"></style>
<style id="teststyle"></style>
<div id="testcontent"></div>
<script>
const kSheetFonts = 1;
const kSheetStyles = 2;
const redSquDataURL = "data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 10' width='100%' height='100%'><rect fill='red' x='0' y='0' width='10' height='10'/></svg>";
var unicodeRangeTests = [
{ test: "simple load sanity check, unused fonts not loaded",
fonts: [{ family: "a", src: "markA", descriptors: { }, loaded: false}],
content: "AAA", style: { "font-family": "unused" } },
{ test: "simple load sanity check, font for a used character loaded",
fonts: [{ family: "a", src: "markA", descriptors: { unicodeRange: "u+41" }, loaded: true}],
content: "AAA" },
{ test: "simple load sanity check, font for an unused character not loaded",
fonts: [{ family: "a", src: "markA", descriptors: { unicodeRange: "u+41" }, loaded: false}],
content: "BBB" },
{ test: "simple load sanity check, with two fonts only font for used character loaded A",
fonts: [{ family: "a", src: "markA", descriptors: { unicodeRange: "u+41" }, loaded: true},
{ family: "a", src: "markB", descriptors: { unicodeRange: "u+42" }, loaded: false}],
content: "AAA" },
{ test: "simple load sanity check, with two fonts only font for used character loaded B",
fonts: [{ family: "a", src: "markA", descriptors: { unicodeRange: "u+41" }, loaded: false},
{ family: "a", src: "markB", descriptors: { unicodeRange: "u+42" }, loaded: true}],
content: "BBB" },
{ test: "simple load sanity check, two fonts but neither supports characters used",
fonts: [{ family: "a", src: "markA", descriptors: { unicodeRange: "u+41" }, loaded: false},
{ family: "a", src: "markB", descriptors: { unicodeRange: "u+42" }, loaded: false}],
content: "CCC" },
{ test: "simple load sanity check, two fonts and both are used",
fonts: [{ family: "a", src: "markA", descriptors: { unicodeRange: "u+41" }, loaded: true},
{ family: "a", src: "markB", descriptors: { unicodeRange: "u+42" }, loaded: true}],
content: "ABC" },
{ test: "simple load sanity check, one with Han ranges",
fonts: [{ family: "a", src: "markA", descriptors: { unicodeRange: "u+3???,u+5???,u+7???,u+8???" }, loaded: true},
{ family: "a", src: "markB", descriptors: { unicodeRange: "u+42" }, loaded: false}],
content: "納豆嫌い" },
{ test: "simple load sanity check, two fonts with different styles A",
fonts: [{ family: "a", src: "markA", descriptors: { unicodeRange: "u+41" }, loaded: true},
{ family: "a", src: "markB", descriptors: { weight: "bold", unicodeRange: "u+42" }, loaded: false}],
content: "ABC" },
{ test: "simple load sanity check, two fonts with different styles B",
fonts: [{ family: "a", src: "markA", descriptors: { weight: "bold", unicodeRange: "u+41" }, loaded: false},
{ family: "a", src: "markB", descriptors: { unicodeRange: "u+42" }, loaded: true}],
content: "ABC" },
{ test: "multiple fonts with overlapping ranges, all with default ranges, only last one supports character used",
fonts: [{ family: "a", src: "markC", descriptors: { }, loaded: true},
{ family: "a", src: "markA", descriptors: { }, loaded: true},
{ family: "a", src: "markB", descriptors: { }, loaded: true}],
content: "CCC" },
{ test: "multiple fonts with overlapping ranges, all with default ranges, first one supports character used",
fonts: [{ family: "a", src: "markB", descriptors: { }, loaded: false},
{ family: "a", src: "markA", descriptors: { }, loaded: false},
{ family: "a", src: "markC", descriptors: { }, loaded: true}],
content: "CCC" },
{ test: "multiple fonts with overlapping ranges, one with default value in the fallback position",
fonts: [{ family: "a", src: "markC", descriptors: { }, loaded: true},
{ family: "a", src: "markA", descriptors: { unicodeRange: "u+41" }, loaded: true},
{ family: "a", src: "markB", descriptors: { unicodeRange: "u+42" }, loaded: true}],
content: "ABC" },
{ test: "multiple fonts with overlapping ranges, one with default value in the primary use position, fallback to one",
fonts: [{ family: "a", src: "markA", descriptors: { unicodeRange: "u+41" }, loaded: true},
{ family: "a", src: "markB", descriptors: { unicodeRange: "u+42" }, loaded: false},
{ family: "a", src: "markC", descriptors: { }, loaded: true}],
content: "AAA" },
{ test: "multiple fonts with overlapping ranges, one with default value in the primary use position, fallback to two",
fonts: [{ family: "a", src: "markA", descriptors: { unicodeRange: "u+41" }, loaded: true},
{ family: "a", src: "markB", descriptors: { unicodeRange: "u+42" }, loaded: true},
{ family: "a", src: "markC", descriptors: { }, loaded: true}],
content: "ABC" },
{ test: "multiple fonts with overlapping ranges, one with default value in the primary use position, no fallback",
fonts: [{ family: "a", src: "markA", descriptors: { unicodeRange: "u+41" }, loaded: false},
{ family: "a", src: "markB", descriptors: { unicodeRange: "u+42" }, loaded: false},
{ family: "a", src: "markC", descriptors: { }, loaded: true}],
content: "CCC" },
{ test: "metrics only case, ex-sized image, single font with space in range",
fonts: [{ family: "a", src: "markA", descriptors: { unicodeRange: "u+0??" }, loaded: true}],
content: "<img style='width: 2ex' src=\"" + redSquDataURL + "\">" },
{ test: "metrics only case, ex-sized image, single font with space outside range",
fonts: [{ family: "a", src: "markA", descriptors: { unicodeRange: "u+1??" }, loaded: false}],
content: "<img style='width: 2ex' src=\"" + redSquDataURL + "\">" },
{ test: "metrics only case, ch-sized image, single font with space in range",
fonts: [{ family: "a", src: "markA", descriptors: { unicodeRange: "u+0??" }, loaded: true}],
content: "<img style='width: 2ch' src=\"" + redSquDataURL + "\">" },
{ test: "metrics only case, ch-sized image, single font with space outside range",
fonts: [{ family: "a", src: "markA", descriptors: { unicodeRange: "u+1??" }, loaded: false}],
content: "<img style='width: 2ch' src=\"" + redSquDataURL + "\">" },
];
// map font loading descriptor names to @font-face rule descriptor names
var mapDescriptorNames = {
style: "font-style",
weight: "font-weight",
stretch: "font-stretch",
unicodeRange: "unicode-range",
variant: "font-variant",
featureSettings: "font-feature-settings"
};
var kBaseFontURL;
if ("SpecialPowers" in window) {
kBaseFontURL = "";
} else {
kBaseFontURL = "fonts/";
}
var mapFontURLs = {
markA: "url(" + kBaseFontURL + "markA.woff" + ")",
markB: "url(" + kBaseFontURL + "markB.woff" + ")",
markC: "url(" + kBaseFontURL + "markC.woff" + ")",
markD: "url(" + kBaseFontURL + "markD.woff" + ")",
/* twourl versions include a bogus url followed by a valid url */
markAtwourl: "url(" + kBaseFontURL + "bogus-markA.woff" + "), url(" + kBaseFontURL + "markA.woff" + ")",
markBtwourl: "url(" + kBaseFontURL + "bogus-markB.woff" + "), url(" + kBaseFontURL + "markB.woff" + ")",
markCtwourl: "url(" + kBaseFontURL + "bogus-markC.woff" + "), url(" + kBaseFontURL + "markC.woff" + ")",
markDtwourl: "url(" + kBaseFontURL + "bogus-markD.woff" + "), url(" + kBaseFontURL + "markD.woff" + ")",
/* localfont versions include a bogus local ref followed by a valid url */
markAlocalfirst: "local(bogus-markA), url(" + kBaseFontURL + "markA.woff" + ")",
markBlocalfirst: "local(bogus-markB), url(" + kBaseFontURL + "markB.woff" + ")",
markClocalfirst: "local(bogus-markC), url(" + kBaseFontURL + "markC.woff" + ")",
markDlocalfirst: "local(bogus-markD), url(" + kBaseFontURL + "markD.woff" + ")",
};
function familyName(name, i) {
return "test" + i + "-" + name;
}
function fontFaceRule(name, fontdata, ft) {
var desc = [];
desc.push("font-family: " + name);
var srckey = fontdata.src + ft;
desc.push("src: " + mapFontURLs[srckey]);
for (var d in fontdata.descriptors) {
desc.push(mapDescriptorNames[d] + ": " + fontdata.descriptors[d]);
}
return "@font-face { " + desc.join(";") + " }";
}
function clearRules(sheetIndex) {
var sheet = document.styleSheets[sheetIndex];
while(sheet.cssRules.length > 0) {
sheet.deleteRule(0);
}
}
function clearAllRulesAndFonts() {
clearRules(kSheetFonts);
clearRules(kSheetStyles);
document.fonts.clear();
}
function addStyleRulesAndText(testdata, i) {
// add style rules for testcontent
var sheet = document.styleSheets[kSheetStyles];
while(sheet.cssRules.length > 0) {
sheet.deleteRule(0);
}
var rule = [];
var family = familyName(testdata.fonts[0].family, i);
rule.push("#testcontent { font-family: " + family);
if ("style" in testdata) {
for (s in testdata.style) {
rule.push(s + ": " + testdata.style[s]);
}
}
rule.push("}");
sheet.insertRule(rule.join("; "), 0);
var content = document.getElementById("testcontent");
content.innerHTML = testdata.content;
content.offsetHeight;
}
// work arounds
function getFonts() {
if ("forEach" in document.fonts) {
return document.fonts;
}
return Array.from(document.fonts);
}
function getSize() {
if ("size" in document.fonts) {
return document.fonts.size;
}
return getFonts().length;
}
function getReady() {
if (typeof(document.fonts.ready) == "function") {
return document.fonts.ready();
}
return document.fonts.ready;
}
function setTimeoutPromise(aDelay) {
return new Promise(function(aResolve, aReject) {
setTimeout(aResolve, aDelay);
});
}
function addFontFaceRules(testdata, i, ft) {
var sheet = document.styleSheets[kSheetFonts];
var createdFonts = [];
testdata.fonts.forEach(function(f) {
var n = sheet.cssRules.length;
var fn = familyName(f.family, i);
sheet.insertRule(fontFaceRule(fn, f, ft), n);
var newfont;
var fonts = getFonts();
try {
fonts.forEach(function(font) { newfont = font; });
createdFonts.push({family: fn, data: f, font: newfont});
} catch (e) {
console.log(e);
}
});
return createdFonts;
}
function addDocumentFonts(testdata, i, ft) {
var createdFonts = [];
testdata.fonts.forEach(function(fd) {
var fn = familyName(fd.family, i);
var srckey = fd.src + ft;
var f = new FontFace(fn, mapFontURLs[srckey], fd.descriptors);
document.fonts.add(f);
createdFonts.push({family: fn, data: fd, font: f});
});
return createdFonts;
}
var q = Promise.resolve();
function runTests() {
function setupTests() {
setup({explicit_done: true});
}
function checkFontsBeforeLoad(name, testdata, fd) {
test(function() {
assert_equals(document.fonts.status, "loaded", "before initializing test, no fonts should be loading - found: " + document.fonts.status);
var size = getSize();
assert_equals(size, testdata.fonts.length,
"fonts where not added to the font set object");
var i = 0;
fonts = getFonts();
fonts.forEach(function(ff) {
assert_equals(ff.status, "unloaded", "added fonts should be in unloaded state");
});
}, name + " before load");
}
function checkFontsAfterLoad(name, testdata, fd, afterTimeout) {
test(function() {
assert_equals(document.fonts.status, "loaded", "after ready promise resolved, no fonts should be loading");
var i = 0;
fd.forEach(function(f) {
assert_true(f.font instanceof FontFace, "font needs to be an instance of FontFace object");
if (f.data.loaded) {
assert_equals(f.font.status, "loaded", "font not loaded - font " + i + " " + f.data.src + " "
+ JSON.stringify(f.data.descriptors) + " for content " + testdata.content);
} else {
assert_equals(f.font.status, "unloaded", "font loaded - font " + i + " " + f.data.src + " "
+ JSON.stringify(f.data.descriptors) + " for content " + testdata.content);
}
i++;
});
}, name + " after load" + (afterTimeout ? " and timeout" : ""));
}
function testFontLoads(testdata, i, name, fd) {
checkFontsBeforeLoad(name, testdata, fd);
addStyleRulesAndText(testdata, i);
var ready = getReady();
return ready.then(function() {
checkFontsAfterLoad(name, testdata, fd, false);
}).then(function() {
return setTimeoutPromise(0).then(function() {
checkFontsAfterLoad(name, testdata, fd, true);
});
}).then(function() {
var ar = getReady();
return ar.then(function() {
test(function() {
assert_equals(document.fonts.status, "loaded", "after ready promise fulfilled once, fontset should not be loading");
var fonts = getFonts();
fonts.forEach(function(f) {
assert_not_equals(f.status, "loading", "after ready promise fulfilled once, no font should be loading");
});
}, name + " test done check");
});
}).then(function() {
clearAllRulesAndFonts();
});
}
function testUnicodeRangeFontFace(testdata, i, ft) {
var name = "TEST " + i + " " + testdata.test + " (@font-face rules)" + (ft != "" ? " " + ft : ft);
var fd = addFontFaceRules(testdata, i, ft);
return testFontLoads(testdata, i, name, fd);
}
function testUnicodeRangeDocumentFonts(testdata, i, ft) {
var name = "TEST " + i + " " + testdata.test + " (document.fonts)" + (ft != "" ? " " + ft : ft);
var fd = addDocumentFonts(testdata, i, ft);
return testFontLoads(testdata, i, name, fd);
}
q = q.then(function() {
setupTests();
});
var fontTypes = ["", "twourl", "localfirst"];
unicodeRangeTests.forEach(function(testdata, i) {
fontTypes.forEach(function(ft) {
q = q.then(function() {
return testUnicodeRangeFontFace(testdata, i, ft);
}).then(function() {
return testUnicodeRangeDocumentFonts(testdata, i, ft);
});
});
});
q = q.then(function() {
done();
});
}
if ("fonts" in document) {
runTests();
} else {
test(function() {
assert_true(true, "CSS Font Loading API is not enabled.");
}, "CSS Font Loading API is not enabled");
}
</script>
</body>
</html>