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<!DOCTYPE HTML>
<html>
<head>
<meta charset=utf-8>
<title>@font-feature-values rule parsing tests</title>
<link rel="author" title="John Daggett" href="mailto:jdaggett@mozilla.com">
<link rel="help" href="http://www.w3.org/TR/css3-fonts/#font-feature-values" />
<meta name="assert" content="tests that valid @font-feature-values rules parse and invalid ones don't" />
<!-- https://bugzilla.mozilla.org/show_bug.cgi?id=549861 -->
<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 type="text/css" id="testbox"></style>
<script type="text/javascript">
var gPrefix = "";
var kFontFeatureValuesRuleType = 14;
function ruleName() { return "@" + gPrefix + "font-feature-values"; }
function makeRule(f, v) {
return ruleName() + " " + f + " { " + v + " }";
}
function _()
{
var i, decl = [];
for (i = 0; i < arguments.length; i++) {
decl.push(arguments[i]);
}
return makeRule("bongo", decl.join(" "));
}
// note: because of bugs in the way family names are serialized,
// 'serializationSame' only implies that the value definition block
// is the same (i.e. not including the family name list)
var testrules = [
/* basic syntax */
{ rule: ruleName() + ";", invalid: true },
{ rule: ruleName() + " bongo;", invalid: true },
{ rule: ruleName().replace("values", "value") + " {;}", invalid: true },
{ rule: ruleName().replace("feature", "features") + " {;}", invalid: true },
{ rule: makeRule("bongo", ""), serializationNoValueDefn: true },
{ rule: makeRule("bongo", ";"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", ",;"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", ";,"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", ",;,"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@styleset;"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@styleset,;"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@styleset abc;"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@styleset { abc }"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@styleset { ;;abc }"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@styleset { abc;; }"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@styleset { abc: }"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@styleset { abc,: }"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@styleset { abc:, }"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@styleset { abc:,; }"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@styleset { a,b }"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@styleset { a;b }"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@styleset { a:;b: }"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@styleset { a:,;b: }"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@styleset { a:1,;b: }"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@styleset { abc 1 2 3 }"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@styleset { abc:, 1 2 3 }"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@styleset { abc:; 1 2 3 }"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@styleset { abc:; 1 2 3 }"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@styleset { abc: 1 2 3a }"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@styleset { abc: 1 2 3, def: 1; }"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@blah @styleset { abc: 1 2 3; }"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@blah } @styleset { abc: 1 2 3; }"), serializationNoValueDefn: true },
{ rule: makeRule("bongo", "@blah , @styleset { abc: 1 2 3; }"), serializationNoValueDefn: true },
{ rule: ruleName() + " bongo { @styleset { abc: 1 2 3; }", serialization: _("@styleset { abc: 1 2 3; }") },
{ rule: ruleName() + " bongo { @styleset { abc: 1 2 3 }", serialization: _("@styleset { abc: 1 2 3; }") },
{ rule: ruleName() + " bongo { @styleset { abc: 1 2 3;", serialization: _("@styleset { abc: 1 2 3; }") },
{ rule: ruleName() + " bongo { @styleset { abc: 1 2 3", serialization: _("@styleset { abc: 1 2 3; }") },
{ rule: _("@styleset { ok-1: 1; }"), serializationSame: true },
{ rule: _("@annotation { ok-1: 3; }"), serializationSame: true },
{ rule: _("@stylistic { blah: 3; }"), serializationSame: true },
{ rule: makeRule("bongo", "\n@styleset\n { blah: 3; super-blah: 4 5;\n more-blah: 5 6 7;\n }"), serializationSame: true },
{ rule: makeRule("bongo", "\n@styleset\n {\n blah:\n 3\n;\n super-blah:\n 4\n 5\n;\n more-blah:\n 5 6\n 7;\n }"), serializationSame: true },
/* limits on number of values */
{ rule: _("@stylistic { blah: 1; }"), serializationSame: true },
{ rule: _("@styleset { blah: 1 2 3 4; }"), serializationSame: true },
{ rule: _("@character-variant { blah: 1 2; }"), serializationSame: true },
{ rule: _("@swash { blah: 1; }"), serializationSame: true },
{ rule: _("@ornaments { blah: 1; }"), serializationSame: true },
{ rule: _("@annotation { blah: 1; }"), serializationSame: true },
/* values ignored when used */
{ rule: _("@styleset { blah: 0; }"), serializationSame: true },
{ rule: _("@styleset { blah: 120 124; }"), serializationSame: true },
{ rule: _("@character-variant { blah: 0; }"), serializationSame: true },
{ rule: _("@character-variant { blah: 111; }"), serializationSame: true },
{ rule: _("@character-variant { blah: 111 13; }"), serializationSame: true },
/* invalid value name */
{ rulesrc: ["styleset { blah: 1 }"], serializationNoValueDefn: true },
{ rulesrc: ["stylistic { blah: 1 }"], serializationNoValueDefn: true },
{ rulesrc: ["character-variant { blah: 1 }"], serializationNoValueDefn: true },
{ rulesrc: ["swash { blah: 1 }"], serializationNoValueDefn: true },
{ rulesrc: ["ornaments { blah: 1 }"], serializationNoValueDefn: true },
{ rulesrc: ["annotation { blah: 1 }"], serializationNoValueDefn: true },
{ rulesrc: ["@bongo { blah: 1 }"], serializationNoValueDefn: true },
{ rulesrc: ["@bongo { blah: 1 2 3 }"], serializationNoValueDefn: true },
{ rulesrc: ["@bongo { blah: 1 2 3; burp: 1;;; }"], serializationNoValueDefn: true },
/* values */
{ rulesrc: ["@styleset { blah: -1 }"], serializationNoValueDefn: true },
{ rulesrc: ["@styleset { blah: 1 -1 }"], serializationNoValueDefn: true },
{ rulesrc: ["@styleset { blah: 1.5 }"], serializationNoValueDefn: true },
{ rulesrc: ["@styleset { blah: 15px }"], serializationNoValueDefn: true },
{ rulesrc: ["@styleset { blah: red }"], serializationNoValueDefn: true },
{ rulesrc: ["@styleset { blah: (1) }"], serializationNoValueDefn: true },
{ rulesrc: ["@styleset { blah:(1) }"], serializationNoValueDefn: true },
{ rulesrc: ["@styleset { blah:, 1 }"], serializationNoValueDefn: true },
{ rulesrc: ["@styleset { blah: <1> }"], serializationNoValueDefn: true },
{ rulesrc: ["@styleset { blah: 1! }"], serializationNoValueDefn: true },
{ rulesrc: ["@styleset { blah: 1,, }"], serializationNoValueDefn: true },
{ rulesrc: ["@styleset { blah: 1 1 1 1; }"], serializationSame: true },
/* limits on number of values */
{ rulesrc: ["@stylistic { blah: 1 2 }"], serializationNoValueDefn: true },
{ rulesrc: ["@character-variant { blah: 1 2 3 }"], serializationNoValueDefn: true },
{ rulesrc: ["@swash { blah: 1 2 }"], serializationNoValueDefn: true },
{ rulesrc: ["@ornaments { blah: 1 2 }"], serializationNoValueDefn: true },
{ rulesrc: ["@annotation { blah: 1 2 }"], serializationNoValueDefn: true },
{ rulesrc: ["@styleset { blah: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19; }"], serializationSame: true },
/* family names */
{ rule: makeRule("bongo", "@styleset { blah: 1; }"), serializationSame: true },
{ rule: makeRule("\"bongo\"", "@styleset { blah: 1; }"), serializationSame: true },
{ rule: makeRule("'bongo'", "@styleset { blah: 1; }"), serializationSame: true },
{ rule: makeRule("\\62 ongo", "@styleset { blah: 1; }"), serializationSame: true },
{ rule: makeRule("bongo, super bongo, bongo the supreme", "@styleset { blah: 1; }"), serializationSame: true },
{ rule: makeRule("bongo,, super bongo", "@styleset { blah: 1; }"), invalid: true },
{ rule: makeRule("bongo,*", "@styleset { blah: 1; }"), invalid: true },
{ rule: makeRule("bongo, sans-serif", "@styleset { blah: 1; }"), invalid: true },
{ rule: makeRule("serif, sans-serif", "@styleset { blah: 1; }"), invalid: true },
{ rule: makeRule("'serif', 'sans-serif'", "@styleset { blah: 1; }"), serializationSame: true },
{ rule: makeRule("bongo, \"super bongo\", 'bongo the supreme'", "@styleset { blah: 1; }"), serializationSame: true },
{ rule: makeRule("毎日カレーを食べたい！", "@styleset { blah: 1; }"), serializationSame: true },
{ rule: makeRule("毎日カレーを食べたい！, 納豆嫌い", "@styleset { blah: 1; }"), serializationSame: true },
{ rule: makeRule("bongo, \"super\" bongo, bongo the supreme", "@styleset { blah: 1; }"), invalid: true },
{ rule: makeRule("--bongo", "@styleset { blah: 1; }"), invalid: true },
/* ident tests */
{ rule: _("@styleset { blah: 1; blah: 1; }"), serializationSame: true },
{ rule: _("@styleset { blah: 1; de-blah: 1; blah: 2; }"), serializationSame: true },
{ rule: _("@styleset { \\tra-la: 1; }"), serialization: _("@styleset { tra-la: 1; }") },
{ rule: _("@styleset { b\\lah: 1; }"), serialization: _("@styleset { blah: 1; }") },
{ rule: _("@styleset { \\62 lah: 1; }"), serialization: _("@styleset { blah: 1; }") },
{ rule: _("@styleset { \\:blah: 1; }"), serialization: _("@styleset { \\:blah: 1; }") },
{ rule: _("@styleset { \\;blah: 1; }"), serialization: _("@styleset { \\;blah: 1; }") },
{ rule: _("@styleset { complex\\20 blah: 1; }"), serialization: _("@styleset { complex\\ blah: 1; }") },
{ rule: _("@styleset { complex\\ blah: 1; }"), serializationSame: true },
{ rule: _("@styleset { Håkon: 1; }"), serializationSame: true },
{ rule: _("@styleset { Åквариум: 1; }"), serializationSame: true },
{ rule: _("@styleset { \\1f449\\1f4a9\\1f448: 1; }"), serialization: _("@styleset { 👉💩👈: 1; }") },
{ rule: _("@styleset { 魅力: 1; }"), serializationSame: true },
{ rule: _("@styleset { 毎日カレーを食べたい！: 1; }"), serializationSame: true },
/* from http://en.wikipedia.org/wiki/Metal_umlaut */
{ rule: _("@styleset { TECHNICIÄNS\\ ÖF\\ SPÅCE\\ SHIP\\ EÅRTH\\ THIS\\ IS\\ YÖÜR\\ CÄPTÅIN\\ SPEÄKING\\ YÖÜR\\ ØÅPTÅIN\\ IS\\ DEA̋D: 1; }"), serializationSame: true },
{ rulesrc: ["@styleset { 123blah: 1; }"], serializationNoValueDefn: true },
{ rulesrc: ["@styleset { :123blah 1; }"], serializationNoValueDefn: true },
{ rulesrc: ["@styleset { :123blah: 1; }"], serializationNoValueDefn: true },
{ rulesrc: ["@styleset { ?123blah: 1; }"], serializationNoValueDefn: true },
{ rulesrc: ["@styleset { \"blah\": 1; }"], serializationNoValueDefn: true },
{ rulesrc: ["@styleset { complex blah: 1; }"], serializationNoValueDefn: true },
{ rulesrc: ["@styleset { complex\\ blah: 1; }"], serializationNoValueDefn: true }
];
// test that invalid value declarations don't affect the parsing of surrounding
// declarations. So before + invalid + after should match the serialization
// given in s.
var gSurroundingTests = [
// -- invalid, valid ==> valid
{ before: "", after: "@ornaments { whatchamacallit-1: 23; thingy-dingy: 3; }", s: _("@ornaments { whatchamacallit-1: 23; thingy-dingy: 3; }") },
// -- valid, invalid ==> valid
{ before: "@ornaments { whatchamacallit-1: 23; thingy-dingy: 7; }", after: "", s: _("@ornaments { whatchamacallit-1: 23; thingy-dingy: 7; }") },
// -- valid, invalid, valid ==> valid, valid
{ before: "@ornaments { whatchamacallit-1: 23; thingy-dingy: 3; }", after: "@character-variant { whatchamacallit-2: 23 4; }", s: _("@ornaments { whatchamacallit-1: 23; thingy-dingy: 3; } @character-variant { whatchamacallit-2: 23 4; }") },
// -- invalid, valid, invalid ==> valid
{ between: "@ornaments { whatchamacallit-1: 23; thingy-dingy: 4; }", s: _("@ornaments { whatchamacallit-1: 23; thingy-dingy: 4; }") }
];
/* strip out just values, along with empty value blocks (e.g. @swash { })*/
function valuesText(ruletext)
{
var t = ruletext.replace(/@[a-zA-Z0-9\-]+[ \n]*{[ \n]*}/g, "");
t = t.replace(/[ \n]+/g, " ");
t = t.replace(/^[^{]+{[ \n]*/, "");
t = t.replace(/[ \n]*}[^}]*$/, "");
t = t.replace(/[ \n]*;/g, ";");
return t;
}
function testParse(rulesrc)
{
var sheet = document.styleSheets[1];
var rule = _.apply(this, rulesrc);
while(sheet.cssRules.length > 0)
sheet.deleteRule(0);
try {
sheet.insertRule(rule, 0);
} catch (e) {
return e.toString();
}
if (sheet.cssRules.length == 1 && sheet.cssRules[0].type == kFontFeatureValuesRuleType) {
return sheet.cssRules[0].cssText.replace(/[ \n]+/g, " ");
}
return "";
}
function testOneRule(testrule) {
var sheet = document.styleSheets[1];
var rule;
if ("rulesrc" in testrule) {
rule = _.apply(this, testrule.rulesrc);
} else {
rule = testrule.rule;
}
var parseErr = false;
var expectedErr = false;
var invalid = false;
if ("invalid" in testrule && testrule.invalid) invalid = true;
while(sheet.cssRules.length > 0)
sheet.deleteRule(0);
try {
sheet.insertRule(rule, 0);
} catch (e) {
expectedErr = (e.name == "SyntaxError"
&& e instanceof DOMException
&& e.code == DOMException.SYNTAX_ERR
&& invalid);
parseErr = true;
}
test(function() {
assert_true(!parseErr || expectedErr, "unexpected syntax error");
if (!parseErr) {
assert_equals(sheet.cssRules.length, 1, "bad rule count");
assert_equals(sheet.cssRules[0].type, kFontFeatureValuesRuleType, "bad rule type");
}
}, "basic parse tests - " + rule);
var sanitizedRule = rule.replace(/[ \n]+/g, " ");
if (parseErr) {
return;
}
// should result in one @font-feature-values rule constructed
// serialization matches expectation
// -- note: due to inconsistent font family serialization problems,
// only the serialization of the values is tested currently
var ruleValues = valuesText(rule);
var serialized = sheet.cssRules[0].cssText;
var serializedValues = valuesText(serialized);
var haveSerialization = true;
if (testrule.serializationSame) {
test(function() {
assert_equals(serializedValues, ruleValues, "canonical cssText serialization doesn't match");
}, "serialization check - " + rule);
} else if ("serialization" in testrule) {
var s = valuesText(testrule.serialization);
test(function() {
assert_equals(serializedValues, s, "non-canonical cssText serialization doesn't match - ");
}, "serialization check - " + rule);
} else if (testrule.serializationNoValueDefn) {
test(function() {
assert_equals(serializedValues, "", "cssText serialization should have no value defintions - ");
}, "no value definitions in serialization - " + rule);
haveSerialization = false;
if ("rulesrc" in testrule) {
test(function() {
var j, rulesrc = testrule.rulesrc;
// invalid value definitions shouldn't affect the parsing of valid
// definitions before or after an invalid one
for (var j = 0; j < gSurroundingTests.length; j++) {
var t = gSurroundingTests[j];
var srulesrc = [];
if ("between" in t) {
srulesrc = srulesrc.concat(rulesrc);
srulesrc = srulesrc.concat(t.between);
srulesrc = srulesrc.concat(rulesrc);
} else {
if (t.before != "")
srulesrc = srulesrc.concat(t.before);
srulesrc = srulesrc.concat(rulesrc);
if (t.after != "")
srulesrc = srulesrc.concat(t.after);
}
var result = testParse(srulesrc);
assert_equals(valuesText(result), valuesText(t.s), "invalid declarations should not affect valid ones - ");
}
}, "invalid declarations don't affect valid ones - " + rule);
}
}
// if serialization non-empty, serialization should round-trip to itself
if (haveSerialization) {
var roundTripText = testParse([serializedValues]);
test(function() {
assert_equals(valuesText(roundTripText), serializedValues,
"serialization should round-trip to itself - ");
}, "serialization round-trip - " + rule);
}
}
function testFontFeatureValuesRuleParsing() {
var i;
for (i = 0; i < testrules.length; i++) {
var testrule = testrules[i];
var rule;
if ("rulesrc" in testrule) {
rule = _.apply(this, testrule.rulesrc);
} else {
rule = testrule.rule;
}
testOneRule(testrule);
//test(function() { testOneRule(testrule); }, "parsing " + rule);
}
}
testFontFeatureValuesRuleParsing();
</script>
</body></html>
|
