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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
require_relative 'shared/push'
describe "Array#<<" do
it "pushes the object onto the end of the array" do
([ 1, 2 ] << "c" << "d" << [ 3, 4 ]).should == [1, 2, "c", "d", [3, 4]]
end
it "returns self to allow chaining" do
a = []
b = a
(a << 1).should equal(b)
(a << 2 << 3).should equal(b)
end
it "correctly resizes the Array" do
a = []
a.size.should == 0
a << :foo
a.size.should == 1
a << :bar << :baz
a.size.should == 3
a = [1, 2, 3]
a.shift
a.shift
a.shift
a << :foo
a.should == [:foo]
end
it "raises a #{frozen_error_class} on a frozen array" do
-> { ArraySpecs.frozen_array << 5 }.should raise_error(frozen_error_class)
end
end
ruby_version_is "2.5" do
describe "Array#append" do
it_behaves_like :array_push, :append
end
end
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