require 'spec_helper'

describe Numeric do

  describe "#multiple_of?" do
    it "to be true" do
      expect(9.multiple_of?(3)).to eq(true)
    end

    it "to be false" do
      expect(10.multiple_of?(3)).to eq(false)
    end
  end

  describe "#negative?" do
    it "to be true" do
      expect(-1.negative?).to eq(true)
    end

    it "to be false" do
      expect(1.negative?).to eq(false)
    end
  end

  describe "#positive?" do
    it "to be true" do
      expect(1.positive?).to eq(true)
    end

    it "to be false" do
      expect(-1.positive?).to eq(false)
    end
  end

  describe "#to_byte" do
    it "to be 1" do
      expect(1024.to_byte).to eq(1)
      expect(1024.to_byte(:kb, :mb)).to eq(1)
    end

    it "to be 5" do
      expect(5120.to_byte).to eq(5)
      expect(5120.to_byte(:kb, :mb)).to eq(5)
    end

    it "to be 1024" do
      expect(1024.to_byte(:kb, :kb)).to eq(1024)
      expect(1.to_byte(:mb, :kb)).to eq(1024)
    end

    it "to be 1048576" do
      expect(1.to_byte(:gb, :kb)).to eq(1048576)
    end

    it "to be 0.078125" do
      expect(80.to_byte(:mb, :gb)).to eq(0.078125)
    end
  end

  describe "#to_length" do
    it "to be 0.039370078740157" do
      expect(1.to_length).to eq(0.039370078740157)
    end

    it "to be 1" do
      expect(1.to_length(:mm, :mm)).to eq(1)
      expect(1.to_length(:in, :in)).to eq(1)
      expect(10.to_length(:mm, :cm)).to eq(1)
      expect(12.to_length(:in, :ft)).to eq(1)
    end

    it "to be 10" do
      expect(1.to_length(:cm, :mm)).to eq(10)
    end

    it "to be 12" do
      expect(1.to_length(:ft, :in)).to eq(12)
    end

    it "to be 30.48" do
      expect(1.to_length(:ft, :cm)).to eq(30.48)
    end

    it "to be 1093.6132983377001" do
      expect(1.to_length(:km, :yd)).to eq(1093.6132983377001)
    end

    it "to be 6076.116666666666" do
      expect(1.to_length(:nm, :ft)).to eq(6076.116666666666)
    end
  end

  describe "#to_temperature" do
    it "to be 212" do
      expect(100.to_temperature).to eq(212)
      expect(100.to_temperature(:c, :f)).to eq(212)
      expect(100.to_temperature(:celcius, :fahrenheit)).to eq(212)
    end

    it "to be 100" do
      expect(100.to_temperature(:c, :c)).to eq(100)
      expect(212.to_temperature(:f, :c)).to eq(100)
    end

    it "to be 373.15" do
      expect(100.to_temperature(:c, :k)).to eq(373.15)
      expect(212.to_temperature(:f, :k)).to eq(373.15)
    end
  end

  describe "#to_weight" do
    it "to be 0.035273961949580004" do
      expect(1.to_weight).to eq(0.035273961949580004)
    end

    it "to be 1" do
      expect(1.to_weight(:mg, :mg)).to eq(1)
      expect(1.to_weight(:oz, :oz)).to eq(1)
      expect(10.to_weight(:mg, :cg)).to eq(1)
      expect(16.to_weight(:oz, :lb)).to eq(1)
    end

    it "to be 1.3607771100000001" do
      expect(3.to_weight(:lb, :kg)).to eq(1.3607771100000001)
    end

    it "to be 1.1023113109243998" do
      expect(1.to_weight(:mt, :tn)).to eq(1.1023113109243998)
    end

    it "to be 2.2046226218488" do
      expect(1.to_weight(:kg, :lb)).to eq(2.2046226218488)
    end

    it "to be 10" do
      expect(1.to_weight(:cg, :mg)).to eq(10)
    end

    it "to be 16" do
      expect(1.to_weight(:lb, :oz)).to eq(16)
    end

    it "to be 64000" do
      expect(2.to_weight(:tn, :lb)).to eq(4000)
    end
  end

end