Sha256: 89b2e2c2e1e424c24b8a8e32049c8abdaf65014cac4ad978cc43006d59bf43ff
Contents?: true
Size: 671 Bytes
Versions: 7
Compression:
Stored size: 671 Bytes
Contents
require File.expand_path('../../../spec_helper', __FILE__)
require 'hamster/immutable'
describe Hamster::Immutable do
describe "#transform" do
class Person < Struct.new(:first, :last)
include Hamster::Immutable
public :transform
end
before do
@original = Person.new("Simon", "Harris")
@result = @original.transform { self.first = "Sampy" }
end
it "preserves the original" do
@original.first.should == "Simon"
@original.last.should == "Harris"
end
it "returns a new instance with the updated values" do
@result.first.should == "Sampy"
@result.last.should == "Harris"
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems