encoding an empty string should return the empty set

practicingruby · Jan 4, 2009 · 10dae44 · 10dae44
1 parent 3a7f718
commit 10dae44
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/lib/ttfunk/subset_collection.rb b/lib/ttfunk/subset_collection.rb
@@ -38,6 +38,8 @@ def use(characters)
     # and so may not look (in the raw) like what was passed in, but
     # they will render correctly with the indicated subset font.
     def encode(characters)
+      return [] if characters.empty?
+
       # TODO: probably would be more optimal to nix the #use method,
       # and merge it into this one, so it can be done in a single
       # pass instead of two passes.