mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
18 lines
398 B
Ruby
18 lines
398 B
Ruby
|
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
|