# frozen_string_literal: true

# License: AGPL-3.0-or-later WITH Web-Template-Output-Additional-Permission-3.0-or-later
require 'rails_helper'
require 'numeric'

describe Numeric do
  describe '#floor_for_delta' do
    it 'rejects non integers' do
      expect { 2.floor_for_delta('test') }.to raise_error(ArgumentError)
      expect { 2.floor_for_delta(2.3) }.to raise_error(ArgumentError)
    end

    it 'rejects negative integers' do
      expect { 2.floor_for_delta(-1) }.to raise_error(ArgumentError)
    end

    it 'handles on -25' do
      expect(-25.floor_for_delta(25)).to eq -25
    end

    it 'handles on -24.5' do
      expect(-24.5.floor_for_delta(25)).to eq -25
    end

    it 'handles on -1' do
      expect(-1.floor_for_delta(25)).to eq -25
    end

    it 'handles on 0' do
      expect(0.floor_for_delta(25)).to eq 0
    end

    it 'handles on .5' do
      expect(0.5.floor_for_delta(25)).to eq 0
    end

    it 'handles on 1' do
      expect(1.floor_for_delta(25)).to eq 0
    end

    it 'handles on 25' do
      expect(25.floor_for_delta(25)).to eq 25
    end

    it 'handles on 25.5' do
      expect(25.5.floor_for_delta(25)).to eq 25
    end
  end

  describe '#ceil_for_delta' do
    it 'rejects non integers' do
      expect { 2.ceil_for_delta('test') }.to raise_error(ArgumentError)
      expect { 2.ceil_for_delta(2.3) }.to raise_error(ArgumentError)
    end

    it 'rejects negative integers' do
      expect { 2.ceil_for_delta(-1) }.to raise_error(ArgumentError)
    end

    it 'handles on -25.5' do
      expect(-25.5.ceil_for_delta(25)).to eq -25
    end

    it 'handles on -25' do
      expect(-25.ceil_for_delta(25)).to eq -25
    end

    it 'handles on -24.5' do
      expect(-24.5.ceil_for_delta(25)).to eq 0
    end

    it 'handles on -1' do
      expect(-1.ceil_for_delta(25)).to eq 0
    end

    it 'handles on 0' do
      expect(0.ceil_for_delta(25)).to eq 0
    end

    it 'handles on .5' do
      expect(0.5.ceil_for_delta(25)).to eq 25
    end

    it 'handles on 1' do
      expect(1.ceil_for_delta(25)).to eq 25
    end

    it 'handles on 25' do
      expect(25.ceil_for_delta(25)).to eq 25
    end

    it 'handles on 25.5' do
      expect(25.ceil_for_delta(25)).to eq 25
    end
  end
end