Added a test to ensure the given modifier is passed to ImageMagick (even when…

Added a test to ensure the given modifier is passed to ImageMagick (even when only one dimension is present).

test/geometry_test.rb

@@ -44,11 +44,6 @@ class GeometryTest < Test::Unit::TestCase
       assert_equal 0, @geo.height
     end
 
-    should "ensure the modifier is nil if only one dimension present" do
-      assert @geo = Paperclip::Geometry.parse("123x")
-      assert_nil @geo.modifier
-    end
-
     should "ensure the modifier is nil if not present" do
       assert @geo = Paperclip::Geometry.parse("123x456")
       assert_nil @geo.modifier
@@ -60,6 +55,13 @@ class GeometryTest < Test::Unit::TestCase
         assert_equal mod, @geo.modifier
       end
     end
+    
+    ['>', '<', '#', '@', '%', '^', '!'].each do |mod|
+      should "ensure the modifier #{mod} gets passed to ImageMagic" do
+        assert @geo = Paperclip::Geometry.parse("123x#{mod}")
+        assert_equal mod, @geo.to_s.last
+      end
+    end
 
     should "make sure the modifier gets passed during transformation_to" do
       assert @src = Paperclip::Geometry.parse("123x456")