Add Fixed32 numeric instances

test/Graphics/Fountainhead/MetricsSpec.hs

@@ -10,23 +10,23 @@ module Graphics.Fountainhead.MetricsSpec
 
 import Graphics.Fountainhead.Metrics
 import Test.Hspec (Spec, describe, it, shouldBe)
+import qualified Data.ByteString as ByteString
 
 spec :: Spec
 spec =
     describe "collectMetrics" $
         it "collects information from the name table" $ do
-            let expected = FontDescriptor
-                    { fontName = "fontName"
-                    , flags = []
-                    , fullName = "fullName"
-                    , familyName = "familyName"
-                    , weight = "weight"
-                    , fontBBox =  FontBBox 0 0 0 0
-                    , version = "1.0.0"
-                    , notice = "Notice"
-                    , encodingScheme = "encodingScheme"
-                    , isFixedPitch = False
-                    , ascender = 0
-                    , descender = 0
+            let fontPath = "./fonts/OpenSans-Bold.ttf"
+                expected = FontDescriptor
+                    { fontName = "OpenSans−Bold"
+                    , flags = [] -- 4
+                    , ascender = 1068
+                    , descender = -292
+                    , fontBBox =  FontBBox (-548) (-271) 1201 1047
+                    , italicAngle = 0
+                    , capHeight = 714
+                    , stemV = 105
+                    , missingWidth = 600
                     }
-             in collectMetrics `shouldBe` expected
+            openSansBoldItalic <- ByteString.readFile fontPath
+            collectMetrics fontPath openSansBoldItalic `shouldBe` Right expected