mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
6204e0804b
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66888 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
24 lines
683 B
Ruby
24 lines
683 B
Ruby
require_relative '../../spec_helper'
|
|
require_relative 'fixtures/classes'
|
|
require_relative 'shared/difference'
|
|
|
|
ruby_version_is "2.6" do
|
|
describe "Array#difference" do
|
|
it_behaves_like :array_binary_difference, :difference
|
|
|
|
it "returns a copy when called without any parameter" do
|
|
x = [1, 2, 3, 2]
|
|
x.difference.should == x
|
|
x.difference.should_not equal x
|
|
end
|
|
|
|
it "does not return subclass instances for Array subclasses" do
|
|
ArraySpecs::MyArray[1, 2, 3].difference.should be_an_instance_of(Array)
|
|
end
|
|
|
|
it "accepts multiple arguments" do
|
|
x = [1, 2, 3, 1]
|
|
x.difference([], [0, 1], [3, 4], [3]).should == [2]
|
|
end
|
|
end
|
|
end
|