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ffd0820ab3
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.
132 lines
3.5 KiB
Ruby
132 lines
3.5 KiB
Ruby
require_relative '../../spec_helper'
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require_relative 'fixtures/classes'
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describe "Array#concat" do
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it "returns the array itself" do
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ary = [1,2,3]
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ary.concat([4,5,6]).equal?(ary).should be_true
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end
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it "appends the elements in the other array" do
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ary = [1, 2, 3]
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ary.concat([9, 10, 11]).should equal(ary)
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ary.should == [1, 2, 3, 9, 10, 11]
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ary.concat([])
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ary.should == [1, 2, 3, 9, 10, 11]
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end
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it "does not loop endlessly when argument is self" do
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ary = ["x", "y"]
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ary.concat(ary).should == ["x", "y", "x", "y"]
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end
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it "tries to convert the passed argument to an Array using #to_ary" do
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obj = mock('to_ary')
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obj.should_receive(:to_ary).and_return(["x", "y"])
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[4, 5, 6].concat(obj).should == [4, 5, 6, "x", "y"]
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end
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it "does not call #to_ary on Array subclasses" do
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obj = ArraySpecs::ToAryArray[5, 6, 7]
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obj.should_not_receive(:to_ary)
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[].concat(obj).should == [5, 6, 7]
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end
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it "raises a #{frozen_error_class} when Array is frozen and modification occurs" do
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-> { ArraySpecs.frozen_array.concat [1] }.should raise_error(frozen_error_class)
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end
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# see [ruby-core:23666]
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it "raises a #{frozen_error_class} when Array is frozen and no modification occurs" do
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-> { ArraySpecs.frozen_array.concat([]) }.should raise_error(frozen_error_class)
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end
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ruby_version_is ''...'2.7' do
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it "keeps tainted status" do
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ary = [1, 2]
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ary.taint
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ary.concat([3])
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ary.tainted?.should be_true
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ary.concat([])
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ary.tainted?.should be_true
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end
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it "is not infected by the other" do
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ary = [1,2]
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other = [3]; other.taint
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ary.tainted?.should be_false
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ary.concat(other)
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ary.tainted?.should be_false
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end
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it "keeps the tainted status of elements" do
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ary = [ Object.new, Object.new, Object.new ]
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ary.each {|x| x.taint }
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ary.concat([ Object.new ])
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ary[0].tainted?.should be_true
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ary[1].tainted?.should be_true
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ary[2].tainted?.should be_true
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ary[3].tainted?.should be_false
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end
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it "keeps untrusted status" do
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ary = [1, 2]
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ary.untrust
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ary.concat([3])
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ary.untrusted?.should be_true
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ary.concat([])
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ary.untrusted?.should be_true
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end
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it "is not infected untrustedness by the other" do
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ary = [1,2]
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other = [3]; other.untrust
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ary.untrusted?.should be_false
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ary.concat(other)
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ary.untrusted?.should be_false
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end
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it "keeps the untrusted status of elements" do
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ary = [ Object.new, Object.new, Object.new ]
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ary.each {|x| x.untrust }
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ary.concat([ Object.new ])
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ary[0].untrusted?.should be_true
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ary[1].untrusted?.should be_true
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ary[2].untrusted?.should be_true
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ary[3].untrusted?.should be_false
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end
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end
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it "appends elements to an Array with enough capacity that has been shifted" do
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ary = [1, 2, 3, 4, 5]
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2.times { ary.shift }
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2.times { ary.pop }
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ary.concat([5, 6]).should == [3, 5, 6]
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end
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it "appends elements to an Array without enough capacity that has been shifted" do
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ary = [1, 2, 3, 4]
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3.times { ary.shift }
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ary.concat([5, 6]).should == [4, 5, 6]
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end
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it "takes multiple arguments" do
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ary = [1, 2]
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ary.concat [3, 4]
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ary.should == [1, 2, 3, 4]
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end
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it "concatenates the initial value when given arguments contain 2 self" do
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ary = [1, 2]
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ary.concat ary, ary
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ary.should == [1, 2, 1, 2, 1, 2]
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end
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it "returns self when given no arguments" do
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ary = [1, 2]
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ary.concat.should equal(ary)
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ary.should == [1, 2]
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end
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end
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