diff options
Diffstat (limited to 'spec/ruby/library/set/subtract_spec.rb')
-rw-r--r-- | spec/ruby/library/set/subtract_spec.rb | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/spec/ruby/library/set/subtract_spec.rb b/spec/ruby/library/set/subtract_spec.rb new file mode 100644 index 0000000000..b0889bb675 --- /dev/null +++ b/spec/ruby/library/set/subtract_spec.rb @@ -0,0 +1,17 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require 'set' + +describe "Set#subtract" do + before :each do + @set = Set[:a, :b, :c] + end + + it "deletes any elements contained in other and returns self" do + @set.subtract(Set[:b, :c]).should == @set + @set.should == Set[:a] + end + + it "accepts any enumerable as other" do + @set.subtract([:c]).should == Set[:a, :b] + end +end |