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