Contents

require "examples/example_helper"

module RR
describe HashWithObjectIdKey, "#[] and #[]=" do
  it "stores object via object id" do
    hash = HashWithObjectIdKey.new
    array_1 = []
    hash[array_1] = 1
    array_2 = []
    hash[array_2] = 2

    hash[array_1].should_not == hash[array_2]
  end

  it "stores the passed in object" do
    hash = HashWithObjectIdKey.new
    obj = Object.new
    hash[obj] = 1
    hash.instance_eval {@keys}.should == {obj.__id__ => obj}
  end
end

describe HashWithObjectIdKey, "#each" do
  it "iterates through the items in the hash" do
    hash = HashWithObjectIdKey.new
    hash['one'] = 1
    hash['two'] = 2

    keys = []
    values = []
    hash.each do |key, value|
      keys << key
      values << value
    end

    keys.sort.should == ['one', 'two']
    values.sort.should == [1, 2]
  end
end

describe HashWithObjectIdKey, "#delete" do
  before do
    @hash = HashWithObjectIdKey.new
    @key = Object.new
    @hash[@key] = 1
  end

  it "removes the object from the hash" do
    @hash.delete(@key)
    @hash[@key].should == {}
  end

  it "removes the object from the keys hash" do
    @hash.delete(@key)
    @hash.instance_eval {@keys}.should == {}
  end
end

describe HashWithObjectIdKey, "#keys" do
  before do
    @hash = HashWithObjectIdKey.new
    @key = Object.new
    @hash[@key] = 1
  end

  it "returns an array of the keys" do
    @hash.keys.should == [@key]
  end
end

describe HashWithObjectIdKey, "#include?" do
  before do
    @hash = HashWithObjectIdKey.new
    @key = Object.new
    @hash[@key] = 1
  end

  it "returns true when the key is in the Hash" do
    @hash.should include(@key)
  end

  it "returns false when the key is not in the Hash" do
    @hash.should_not include(Object.new)
  end
end
end

Version data entries

6 entries across 6 versions & 1 rubygems

Version	Path
rr-0.3.10	examples/rr/space/hash_with_object_id_key_example.rb
rr-0.3.11	examples/rr/space/hash_with_object_id_key_example.rb
rr-0.3.7	examples/rr/space/hash_with_object_id_key_example.rb
rr-0.3.9	examples/rr/space/hash_with_object_id_key_example.rb
rr-0.3.6	examples/rr/space/hash_with_object_id_key_example.rb
rr-0.3.8	examples/rr/space/hash_with_object_id_key_example.rb