Fix bug in Cheers::Color#to_s

eet-nu · May 25, 2012 · f4d7ec2 · f4d7ec2
1 parent 6bfa503
commit f4d7ec2
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diff --git a/lib/cheers/color.rb b/lib/cheers/color.rb
@@ -14,7 +14,9 @@ def initialize(color = '#000000')
 
     # 
     def to_s
-      return '#' + r.to_s(16) + g.to_s(16) + b.to_s(16)
+      return '#' + r.to_s(16).rjust(2, '0') +
+                   g.to_s(16).rjust(2, '0') +
+                   b.to_s(16).rjust(2, '0')
     end
 
     def to_hsv

diff --git a/spec/cheers/color_spec.rb b/spec/cheers/color_spec.rb
@@ -61,6 +61,13 @@
     end
   end
 
+  describe '#to_s' do
+    it 'returns a hexadecimal representation of the color' do
+      color = Cheers::Color.new('#00007d')
+      color.to_s.should == '#00007d'
+    end
+  end
+
   describe '#similar?' do
     it 'returns true if the colors are similar' do
       bright_white = Cheers::Color.new '#ffffff'