File: odd_spec.rb

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require File.expand_path('../../../spec_helper', __FILE__)

describe "Fixnum#odd?" do
  it "is false for zero" do
    0.odd?.should be_false
  end

  it "is false for even positive Fixnums" do
    4.odd?.should be_false
  end

  it "is false for even negative Fixnums" do
    (-4).odd?.should be_false
  end

  it "is true for odd positive Fixnums" do
    5.odd?.should be_true
  end

  it "is true for odd negative Fixnums" do
    (-5).odd?.should be_true
  end
end