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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
require_relative 'shared/iterable_and_tolerating_size_increasing'
describe "Array#take_while" do
it "returns all elements until the block returns false" do
[1, 2, 3].take_while{ |element| element < 3 }.should == [1, 2]
end
it "returns all elements until the block returns nil" do
[1, 2, nil, 4].take_while{ |element| element }.should == [1, 2]
end
it "returns all elements until the block returns false" do
[1, 2, false, 4].take_while{ |element| element }.should == [1, 2]
end
it 'returns a Array instance for Array subclasses' do
ArraySpecs::MyArray[1, 2, 3, 4, 5].take_while { |n| n < 4 }.should be_an_instance_of(Array)
end
end
describe "Array#take_while" do
@value_to_return = -> _ { true }
it_behaves_like :array_iterable_and_tolerating_size_increasing, :take_while
end
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