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diff --git a/layout/style/test/test_font_feature_values_parsing.html b/layout/style/test/test_font_feature_values_parsing.html new file mode 100644 index 000000000..a5d4a6834 --- /dev/null +++ b/layout/style/test/test_font_feature_values_parsing.html @@ -0,0 +1,356 @@ +<!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> |