Implement font-variant-numeric

third_party/WebKit/LayoutTests/fast/text/font-features/resources/font-variant-features.js

 // Test case adapted from Mozilla tests for font-variant-subproperties available under
 // http://creativecommons.org/publicdomain/zero/1.0/
 // See discussion on https://bugzilla.mozilla.org/show_bug.cgi?id=1261445
 
 // data associated with gsubtest test font for testing font features
 
 // prefix
 gPrefix = "";
 
 // equivalent properties
@@ skipping 39 matching lines @@
   // 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 },
 ];
 
 // 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.
 
@@ skipping 91 matching lines @@
       span.innerHTML = "&#x" + cpOut.toString(16) + ";";
       span.title = f + "=" + feature;
       cell.appendChild(span);
     }
     row.appendChild(cell);
     table.appendChild(row);
   }
 
   return table;
 }