gistfile1.rb

require 'blah'

describe Foo do
  
  describe "pat_test" do
    
    context "pattern is > subject" do

      it 'should return [-1,0]' do
        Foo.pat_test("a", "ab").should == [-1,0]
      end

    end

    context "pattern is <= subject" do

      context "the first char of pattern == the current indexed char of subject" do

        context "the pattern matched" do

          context "the pattern is matched on the beginning of the string" do

            it 'should return [0,1]' do
              Foo.pat_test("ab", "ab").should == [0,1]
            end

          end

        end
        
        context "the pattern does not match" do
      
          it 'should return [-1,1]' do
            Foo.pat_test("ac", "ab").should == [-1,1]
          end

        end

      end

      context "first char of pattern is != current index of subject" do

        context "the pattern is matched after the beginning of the string" do

          it 'should return [index, 2]' do
            Foo.pat_test("cab", "ab").should == [1,2]
          end
        end

        context "the pattern does not match" do

          it 'should return [-1,1]' do
            Foo.pat_test("cd", "ab").should == [-1,1]
          end
        end

      end

    end

  end
end