mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
8c5b60eb22
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60525 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
15 lines
533 B
Ruby
15 lines
533 B
Ruby
describe :set_difference, shared: true do
|
|
before :each do
|
|
@set = Set[:a, :b, :c]
|
|
end
|
|
|
|
it "returns a new Set containing self's elements excluding the elements in the passed Enumerable" do
|
|
@set.send(@method, Set[:a, :b]).should == Set[:c]
|
|
@set.send(@method, [:b, :c]).should == Set[:a]
|
|
end
|
|
|
|
it "raises an ArgumentError when passed a non-Enumerable" do
|
|
lambda { @set.send(@method, 1) }.should raise_error(ArgumentError)
|
|
lambda { @set.send(@method, Object.new) }.should raise_error(ArgumentError)
|
|
end
|
|
end
|