mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
401b64c4e8
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62656 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
57 lines
2 KiB
Ruby
57 lines
2 KiB
Ruby
require_relative '../../spec_helper'
|
|
require_relative 'fixtures/classes'
|
|
|
|
describe "Array#+" do
|
|
it "concatenates two arrays" do
|
|
([ 1, 2, 3 ] + [ 3, 4, 5 ]).should == [1, 2, 3, 3, 4, 5]
|
|
([ 1, 2, 3 ] + []).should == [1, 2, 3]
|
|
([] + [ 1, 2, 3 ]).should == [1, 2, 3]
|
|
([] + []).should == []
|
|
end
|
|
|
|
it "can concatenate an array with itself" do
|
|
ary = [1, 2, 3]
|
|
(ary + ary).should == [1, 2, 3, 1, 2, 3]
|
|
end
|
|
|
|
it "tries to convert the passed argument to an Array using #to_ary" do
|
|
obj = mock('["x", "y"]')
|
|
obj.should_receive(:to_ary).and_return(["x", "y"])
|
|
([1, 2, 3] + obj).should == [1, 2, 3, "x", "y"]
|
|
end
|
|
|
|
it "properly handles recursive arrays" do
|
|
empty = ArraySpecs.empty_recursive_array
|
|
(empty + empty).should == [empty, empty]
|
|
|
|
array = ArraySpecs.recursive_array
|
|
(empty + array).should == [empty, 1, 'two', 3.0, array, array, array, array, array]
|
|
(array + array).should == [
|
|
1, 'two', 3.0, array, array, array, array, array,
|
|
1, 'two', 3.0, array, array, array, array, array]
|
|
end
|
|
|
|
it "does return subclass instances with Array subclasses" do
|
|
(ArraySpecs::MyArray[1, 2, 3] + []).should be_an_instance_of(Array)
|
|
(ArraySpecs::MyArray[1, 2, 3] + ArraySpecs::MyArray[]).should be_an_instance_of(Array)
|
|
([1, 2, 3] + ArraySpecs::MyArray[]).should be_an_instance_of(Array)
|
|
end
|
|
|
|
it "does not call to_ary on array subclasses" do
|
|
([5, 6] + ArraySpecs::ToAryArray[1, 2]).should == [5, 6, 1, 2]
|
|
end
|
|
|
|
it "does not get infected even if an original array is tainted" do
|
|
([1, 2] + [3, 4]).tainted?.should be_false
|
|
([1, 2].taint + [3, 4]).tainted?.should be_false
|
|
([1, 2] + [3, 4].taint).tainted?.should be_false
|
|
([1, 2].taint + [3, 4].taint).tainted?.should be_false
|
|
end
|
|
|
|
it "does not infected even if an original array is untrusted" do
|
|
([1, 2] + [3, 4]).untrusted?.should be_false
|
|
([1, 2].untrust + [3, 4]).untrusted?.should be_false
|
|
([1, 2] + [3, 4].untrust).untrusted?.should be_false
|
|
([1, 2].untrust + [3, 4].untrust).untrusted?.should be_false
|
|
end
|
|
end
|