Contents

# encoding: utf-8

require 'spec_helper'
require 'ice_nine'

describe IceNine, '.deep_freeze' do
  subject { object.deep_freeze(value) }

  let(:object) { IceNine    }
  let(:value)  { Object.new }

  before do
    value.instance_eval { @a = '1' }
  end

  context 'when the object is not frozen' do
    it 'returns the object' do
      should be(value)
    end

    it 'freezes the object' do
      expect { subject }.to change(value, :frozen?).from(false).to(true)
    end

    it 'freezes the instance variables in the Object' do
      subject.instance_variable_get(:@a).should be_frozen
    end
  end

  context 'when the object is frozen' do
    before do
      value.freeze
    end

    it 'returns the object' do
      should be(value)
    end

    it 'does not freeze the object' do
      expect { subject }.to_not change(value, :frozen?).from(true)
    end

    it 'does not freeze the instance variables in the Object' do
      subject.instance_variable_get(:@a).should_not be_frozen
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
ice_nine-0.8.0	spec/unit/ice_nine/class_methods/deep_freeze_spec.rb
ice_nine-0.7.0	spec/unit/ice_nine/class_methods/deep_freeze_spec.rb