The Tor Browser: layout/reftests/font-features/font-variant-features.js@8bccb770b82d (annotated)

layout/reftests/font-features/font-variant-features.js@8bccb770b82d (annotated)

layout/reftests/font-features/font-variant-features.js

Wed, 31 Dec 2014 13:27:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 13:27:57 +0100
branch: TOR_BUG_3246
changeset 6: 8bccb770b82d
permissions: -rw-r--r--

Ignore runtime configuration files generated during quality assurance.

 // data associated with gsubtest test font for testing font features
 // prefix
 gPrefix = "";
 // equivalent properties
 // setting prop: value should match the specific feature settings listed
 //
 // each of these tests evaluate whether a given feature is enabled as required
 // and also whether features that shouldn't be enabled are or not.
 var gPropertyData = [
   // font-variant-caps
   // valid values
   { prop: "font-variant-caps", value: "normal", features: {"smcp": 0} },
   { prop: "font-variant-caps", value: "small-caps", features: {"smcp": 1, "c2sc": 0} },
   { prop: "font-variant-caps", value: "all-small-caps", features: {"smcp": 1, "c2sc": 1, "pcap": 0} },
   { prop: "font-variant-caps", value: "petite-caps", features: {"pcap": 1, "smcp": 0} },
   { prop: "font-variant-caps", value: "all-petite-caps", features: {"c2pc": 1, "pcap": 1, "smcp": 0} },
   { prop: "font-variant-caps", value: "titling-caps", features: {"titl": 1, "smcp": 0} },
   { prop: "font-variant-caps", value: "unicase", features: {"unic": 1, "titl": 0} },
   // invalid values
   { prop: "font-variant-caps", value: "normal small-caps", features: {"smcp": 0}, invalid: true },
   { prop: "font-variant-caps", value: "small-caps potato", features: {"smcp": 0}, invalid: true },
   { prop: "font-variant-caps", value: "small-caps petite-caps", features: {"smcp": 0, "pcap": 0}, invalid: true },
   { prop: "font-variant-caps", value: "small-caps all-small-caps", features: {"smcp": 0, "c2sc": 0}, invalid: true },
   { prop: "font-variant-caps", value: "small-cap", features: {"smcp": 0}, invalid: true },
   // font-variant-east-asian
   // valid values
   { prop: "font-variant-east-asian", value: "jis78", features: {"jp78": 1, "jp04": 0} },
   { prop: "font-variant-east-asian", value: "jis83", features: {"jp83": 1, "jp04": 0} },
   { prop: "font-variant-east-asian", value: "jis90", features: {"jp90": 1, "jp04": 0} },
   { prop: "font-variant-east-asian", value: "jis04", features: {"jp04": 1, "jp78": 0} },
   { prop: "font-variant-east-asian", value: "simplified", features: {"smpl": 1, "jp04": 0} },
   { prop: "font-variant-east-asian", value: "traditional", features: {"trad": 1, "jp04": 0} },
   { prop: "font-variant-east-asian", value: "full-width", features: {"fwid": 1, "jp04": 0} },
   { prop: "font-variant-east-asian", value: "proportional-width", features: {"pwid": 1, "jp04": 0} },
   { prop: "font-variant-east-asian", value: "ruby", features: {"ruby": 1, "jp04": 0} },
   { prop: "font-variant-east-asian", value: "jis78 full-width", features: {"jp78": 1, "fwid": 1, "jp83": 0} },
   { prop: "font-variant-east-asian", value: "jis78 full-width ruby", features: {"jp78": 1, "fwid": 1, "jp83": 0, "ruby": 1} },
   { prop: "font-variant-east-asian", value: "simplified proportional-width", features: {"smpl": 1, "pwid": 1, "jp83": 0} },
   { prop: "font-variant-east-asian", value: "ruby simplified", features: {"ruby": 1, "smpl": 1, "trad": 0} },
   // invalid values
   { prop: "font-variant-east-asian", value: "ruby normal", features: {"ruby": 0}, invalid: true },
   { prop: "font-variant-east-asian", value: "jis90 jis04", features: {"jp90": 0, "jp04": 0}, invalid: true },
   { prop: "font-variant-east-asian", value: "simplified traditional", features: {"smpl": 0, "trad": 0}, invalid: true },
   { prop: "font-variant-east-asian", value: "full-width proportional-width", features: {"fwid": 0, "pwid": 0}, invalid: true },
   { prop: "font-variant-east-asian", value: "ruby simplified ruby", features: {"ruby": 0, "smpl": 0, "jp04": 0}, invalid: true },
   { prop: "font-variant-east-asian", value: "jis78 ruby simplified", features: {"ruby": 0, "smpl": 0, "jp78": 0}, invalid: true },
   // font-variant-ligatures
   // valid values
   { prop: "font-variant-ligatures", value: "none", features: {"liga": 0, "dlig": 0, "clig": 0, "calt": 0, "hlig": 0} },
   { prop: "font-variant-ligatures", value: "normal", features: {"liga": 1, "dlig": 0} },
   { prop: "font-variant-ligatures", value: "common-ligatures", features: {"liga": 1, "clig": 1, "dlig": 0, "hlig": 0, "calt": 1} },
   { prop: "font-variant-ligatures", value: "no-common-ligatures", features: {"liga": 0, "clig": 0, "dlig": 0, "hlig": 0, "calt": 1} },
   { prop: "font-variant-ligatures", value: "discretionary-ligatures", features: {"liga": 1, "clig": 1, "dlig": 1, "hlig": 0, "calt": 1} },
   { prop: "font-variant-ligatures", value: "no-discretionary-ligatures", features: {"liga": 1, "clig": 1, "dlig": 0, "hlig": 0, "calt": 1} },
   { prop: "font-variant-ligatures", value: "historical-ligatures", features: {"liga": 1, "clig": 1, "dlig": 0, "hlig": 1, "calt": 1} },
   { prop: "font-variant-ligatures", value: "no-historical-ligatures", features: {"liga": 1, "clig": 1, "dlig": 0, "hlig": 0, "calt": 1} },
   { prop: "font-variant-ligatures", value: "contextual", features: {"liga": 1, "clig": 1, "dlig": 0, "hlig": 0, "calt": 1} },
   { prop: "font-variant-ligatures", value: "no-contextual", features: {"liga": 1, "clig": 1, "dlig": 0, "hlig": 0, "calt": 0} },
   { prop: "font-variant-ligatures", value: "common-ligatures no-discretionary-ligatures", features: {"liga": 1, "clig": 1, "dlig": 0, "hlig": 0, "calt": 1} },
   { prop: "font-variant-ligatures", value: "historical-ligatures no-common-ligatures", features: {"clig": 0, "liga": 0, "dlig": 0, "hlig": 1, "calt": 1} },
   { prop: "font-variant-ligatures", value: "no-historical-ligatures discretionary-ligatures", features: {"liga": 1, "clig": 1, "dlig": 1, "hlig": 0, "calt": 1} },
   { prop: "font-variant-ligatures", value: "common-ligatures no-discretionary-ligatures historical-ligatures no-contextual", features: {"clig": 1, "dlig": 0, "hlig": 1, "liga": 1, "calt": 0} },
   // invalid values
   { prop: "font-variant-ligatures", value: "common-ligatures none", features: {"liga": 1, "clig": 1, "dlig": 0}, invalid: true },
   { prop: "font-variant-ligatures", value: "none common-ligatures", features: {"liga": 1, "clig": 1, "dlig": 0}, invalid: true },
   { prop: "font-variant-ligatures", value: "common-ligatures normal", features: {"liga": 1, "clig": 1, "dlig": 0}, invalid: true },
   { prop: "font-variant-ligatures", value: "common-ligatures no-common-ligatures", features: {"liga": 1, "clig": 1, "dlig": 0}, invalid: true },
   { prop: "font-variant-ligatures", value: "common-ligatures common-ligatures", features: {"liga": 1, "clig": 1, "dlig": 0}, invalid: true },
   { prop: "font-variant-ligatures", value: "no-historical-ligatures historical-ligatures", features: {"liga": 1, "clig": 1, "dlig": 0, "hlig": 0}, invalid: true },
   { prop: "font-variant-ligatures", value: "no-contextual contextual", features: {"liga": 1, "clig": 1, "dlig": 0, "hlig": 0}, invalid: true },
   { prop: "font-variant-ligatures", value: "no-discretionary-ligatures discretionary-ligatures", features: {"liga": 1, "clig": 1, "dlig": 0}, invalid: true },
   { prop: "font-variant-ligatures", value: "common-ligatures no-discretionary-ligatures no-common-ligatures", features: {"liga": 1, "clig": 1, "dlig": 0}, invalid: true },
   // font-variant-numeric
   // valid values
   { prop: "font-variant-numeric", value: "normal", features: {"lnum": 0, "tnum": 0, "pnum": 0, "onum": 0} },
   { prop: "font-variant-numeric", value: "lining-nums", features: {"lnum": 1, "onum": 0, "pnum": 0} },
   { prop: "font-variant-numeric", value: "oldstyle-nums", features: {"lnum": 0, "onum": 1, "pnum": 0} },
   { prop: "font-variant-numeric", value: "proportional-nums", features: {"lnum": 0, "onum": 0, "pnum": 1, "tnum": 0} },
   { prop: "font-variant-numeric", value: "proportional-nums oldstyle-nums", features: {"lnum": 0, "onum": 1, "pnum": 1, "tnum": 0} },
   { prop: "font-variant-numeric", value: "tabular-nums", features: {"tnum": 1, "onum": 0, "pnum": 0} },
   { prop: "font-variant-numeric", value: "diagonal-fractions", features: {"frac": 1, "afrc": 0, "pnum": 0} },
   { prop: "font-variant-numeric", value: "stacked-fractions", features: {"frac": 0, "afrc": 1, "pnum": 0} },
   { prop: "font-variant-numeric", value: "slashed-zero", features: {"zero": 1, "pnum": 0} },
   { prop: "font-variant-numeric", value: "ordinal", features: {"ordn": 1, "pnum": 0} },
   { prop: "font-variant-numeric", value: "lining-nums diagonal-fractions", features: {"frac": 1, "afrc": 0, "lnum": 1} },
   { prop: "font-variant-numeric", value: "tabular-nums stacked-fractions", features: {"frac": 0, "afrc": 1, "tnum": 1} },
   { prop: "font-variant-numeric", value: "tabular-nums slashed-zero stacked-fractions", features: {"frac": 0, "afrc": 1, "tnum": 1, "zero": 1} },
   { prop: "font-variant-numeric", value: "proportional-nums slashed-zero diagonal-fractions oldstyle-nums ordinal", features: {"frac": 1, "afrc": 0, "tnum": 0, "pnum": 1, "onum": 1, "ordn": 1, "zero": 1} },
   // invalid values
   { prop: "font-variant-numeric", value: "lining-nums normal", features: {"lnum": 0, "onum": 0}, invalid: true },
   { prop: "font-variant-numeric", value: "lining-nums oldstyle-nums", features: {"lnum": 0, "onum": 0}, invalid: true },
   { prop: "font-variant-numeric", value: "lining-nums normal slashed-zero ordinal", features: {"lnum": 0, "onum": 0, "zero": 0}, invalid: true },
   { prop: "font-variant-numeric", value: "proportional-nums tabular-nums", features: {"pnum": 0, "tnum": 0}, invalid: true },
   { prop: "font-variant-numeric", value: "diagonal-fractions stacked-fractions", features: {"frac": 0, "afrc": 0}, invalid: true },
   { prop: "font-variant-numeric", value: "slashed-zero diagonal-fractions slashed-zero", features: {"frac": 0, "afrc": 0, "zero": 0}, invalid: true },
   { prop: "font-variant-numeric", value: "lining-nums slashed-zero diagonal-fractions oldstyle-nums", features: {"frac": 0, "afrc": 0, "zero": 0, "onum": 0}, invalid: true },
   // font-variant-position
   // valid values
   { prop: "font-variant-position", value: "normal", features: {"subs": 0, "sups": 0} },
   { prop: "font-variant-position", value: "super", features: {"subs": 0, "sups": 1} },
   { prop: "font-variant-position", value: "sub", features: {"subs": 1, "sups": 0} },
   // invalid values
   { prop: "font-variant-position", value: "super sub", features: {"subs": 0, "sups": 0}, invalid: true },
 ];
 // note: the code below requires an array "gFeatures" from :
 //   layout/reftests/fonts/gsubtest/gsubtest-features.js
 // The font defines feature lookups for all OpenType features for a
 // specific set of PUA codepoints, as listed in the gFeatures array.
 // Using these codepoints and feature combinations, tests can be
 // constructed to detect when certain features are enabled or not.
 // return a created table containing tests for a given property
 //
 // Ex: { prop: "font-variant-ligatures", value: "common-ligatures", features: {"liga": 1, "clig": 1, "dlig": 0, "hlig": 0} }
 //
 // This means that for the property 'font-variant-ligatures' with the value 'common-ligatures', the features listed should
 // either be explicitly enabled or disabled.
 // propData is the prop/value list with corresponding feature assertions
 // whichProp is either "all" or a specific subproperty (i.e. "font-variant-position")
 // isRef is true when this is the reference
 // debug outputs the prop/value pair along with the tests
 function createFeatureTestTable(propData, whichProp, isRef, debug)
 {
   var table = document.createElement("table");
   if (typeof(isRef) == "undefined") {
     isRef = false;
   }
   if (typeof(debug) == "undefined") {
     debug = false;
   }
   var doAll = (whichProp == "all");
   for (var i in propData) {
     var data = propData[i];
     if (!doAll && data.prop != whichProp) continue;
     var row = document.createElement("tr");
     var invalid = false;
     if ("invalid" in data) {
       invalid = true;
       row.className = "invalid";
     }
     var cell = document.createElement("td");
     cell.className = "prop";
     var styledecl = gPrefix + data.prop + ": " + data.value + ";";
     cell.innerHTML = styledecl;
     row.appendChild(cell);
     if (debug) {
       table.appendChild(row);
     }
     row = document.createElement("tr");
     if (invalid) {
       row.className = "invalid";
     }
     cell = document.createElement("td");
     cell.className = "features";
     if (!isRef) {
       cell.style.cssText = styledecl;
     }
     for (var f in data.features) {
       var feature = data.features[f];
       var cp, unsupported = "F".charCodeAt(0);
       var basecp = gFeatures[f];
       if (typeof(basecp) == "undefined") {
         cp = unsupported;
       } else {
         switch(feature) {
         case 0:
           cp = basecp;
           break;
         case 1:
           cp = basecp + 1;
           break;
         case 2:
           cp = basecp + 2;
           break;
         case 3:
           cp = basecp + 3;
           break;
         default:
           cp = basecp + 1;
           break;
         }
       }
       var span = document.createElement("span");
       span.innerHTML = (isRef ? "P " : "&#x" + cp.toString(16) + "; ");
       span.title = f + "=" + feature;
       cell.appendChild(span);
     }
     row.appendChild(cell);
     table.appendChild(row);
   }
   return table;
 }