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17 lines
491 B
Ruby
17 lines
491 B
Ruby
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require File.expand_path('../../../spec_helper', __FILE__)
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describe "NilClass#rationalize" do
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it "returns 0/1" do
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nil.rationalize.should == Rational(0, 1)
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end
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it "ignores a single argument" do
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nil.rationalize(0.1).should == Rational(0, 1)
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end
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it "raises ArgumentError when passed more than one argument" do
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lambda { nil.rationalize(0.1, 0.1) }.should raise_error(ArgumentError)
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lambda { nil.rationalize(0.1, 0.1, 2) }.should raise_error(ArgumentError)
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end
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end
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