No longer include Combinatorics into the top-level context.

Author: postmodern

spec/cartesian_product/cardinality_spec.rb

@@ -1,9 +1,7 @@
 require 'spec_helper'
 require 'combinatorics/cartesian_product'
 
-describe CartesianProduct do
-  subject { CartesianProduct } 
-
+describe Combinatorics::CartesianProduct do
   describe "cardinality" do
     it "should return 1 for cardinality(1, 1)" do 
       expect(subject.cardinality(1, 1)).to eq(1)

spec/choose/cardinality_spec.rb

@@ -1,9 +1,7 @@
 require 'spec_helper'
 require 'combinatorics/choose'
 
-describe Choose do
-  subject { Choose }
-
+describe Combinatorics::Choose do
   describe "cardinality" do
     it "should raise RangeError if n is negative" do
       expect { subject.cardinality(-1) }.to raise_error(RangeError)

spec/derange/cardinality_spec.rb

@@ -1,9 +1,7 @@
 require 'spec_helper'
 require 'combinatorics/derange/cardinality'
 
-describe Derange do
-  subject { Derange }
-
+describe Combinatorics::Derange do
   it "should alias cardinality to subfactorial" do
     should respond_to(:cardinality)
   end

spec/permute/cardinality_spec.rb

@@ -1,9 +1,7 @@
 require 'spec_helper'
 require 'combinatorics/permute'
 
-describe Permute do
-  subject { Permute }
-
+describe Combinatorics::Permute do
   describe "cardinality" do
     it "should raise RangeError if n is negative without passing r" do
       expect { subject.cardinality(-1) }.to raise_error(RangeError)

spec/power_set/cardinality_spec.rb

@@ -1,9 +1,7 @@
 require 'spec_helper'
 require 'combinatorics/power_set'
 
-describe PowerSet do
-  subject { PowerSet }
-
+describe Combinatorics::PowerSet do
   describe "cardinality" do
     it "should return 1 for cardinality(0)" do 
       subject.cardinality(0) == 1

spec/spec_helper.rb

@@ -1,7 +1,3 @@
 require 'rspec'
 require 'simplecov'
 SimpleCov.start
-
-require 'combinatorics/version'
-
-include Combinatorics