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36 lines
800 B
Ruby
36 lines
800 B
Ruby
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require File.expand_path('../../../spec_helper', __FILE__)
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require File.expand_path('../fixtures/classes', __FILE__)
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describe "Array#<<" do
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it "pushes the object onto the end of the array" do
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([ 1, 2 ] << "c" << "d" << [ 3, 4 ]).should == [1, 2, "c", "d", [3, 4]]
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end
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it "returns self to allow chaining" do
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a = []
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b = a
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(a << 1).should equal(b)
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(a << 2 << 3).should equal(b)
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end
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it "correctly resizes the Array" do
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a = []
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a.size.should == 0
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a << :foo
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a.size.should == 1
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a << :bar << :baz
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a.size.should == 3
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a = [1, 2, 3]
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a.shift
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a.shift
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a.shift
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a << :foo
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a.should == [:foo]
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end
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it "raises a RuntimeError on a frozen array" do
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lambda { ArraySpecs.frozen_array << 5 }.should raise_error(RuntimeError)
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end
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end
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