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ruby--ruby/spec/ruby/core/array/plus_spec.rb
Jeremy Evans ffd0820ab3 Deprecate taint/trust and related methods, and make the methods no-ops
This removes the related tests, and puts the related specs behind
version guards.  This affects all code in lib, including some
libraries that may want to support older versions of Ruby.
2019-11-18 01:00:25 +02:00

59 lines
2.1 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
ruby_version_is ''...'2.7' do
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
end