ruby--ruby/spec/ruby/core/numeric/negative_spec.rb

require_relative '../../spec_helper'
require_relative 'fixtures/classes'

describe "Numeric#negative?" do
  describe "on positive numbers" do
    it "returns false" do
      1.negative?.should be_false
      0.1.negative?.should be_false
    end
  end

  describe "on zero" do
    it "returns false" do
      0.negative?.should be_false
      0.0.negative?.should be_false
    end
  end

  describe "on negative numbers" do
    it "returns true" do
      -1.negative?.should be_true
      -0.1.negative?.should be_true
    end
  end
end

describe "Numeric#negative?" do
  before(:each) do
    @obj = NumericSpecs::Subclass.new
  end

  it "returns true if self is less than 0" do
    @obj.should_receive(:<).with(0).and_return(true)
    @obj.negative?.should == true
  end

  it "returns false if self is greater than 0" do
    @obj.should_receive(:<).with(0).and_return(false)
    @obj.negative?.should == false
  end
end