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require File.expand_path('../../../spec_helper', __FILE__)
describe "Array#take" do
it "returns the first specified number of elements" do
[1, 2, 3].take(2).should == [1, 2]
end
it "returns all elements when the argument is greater than the Array size" do
[1, 2].take(99).should == [1, 2]
end
it "returns all elements when the argument is less than the Array size" do
[1, 2].take(4).should == [1, 2]
end
it "returns an empty Array when passed zero" do
[1].take(0).should == []
end
it "returns an empty Array when called on an empty Array" do
[].take(3).should == []
end
it "raises an ArgumentError when the argument is negative" do
lambda{ [1].take(-3) }.should raise_error(ArgumentError)
end
end
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