test/term_test.rb in polynomials-0.2.0 vs test/term_test.rb in polynomials-0.3.0

@@ -1,6 +1,7 @@
-require_relative 'test_helper'
+require "#{File.dirname(File.expand_path(__FILE__))}/test_helper"
+
 class TestTerm < MiniTest::Unit::TestCase
   def test_initializer
     assert_equal 0, Term.new.coefficient
     assert_equal 0, Term.new.exponent
   end
@@ -21,9 +22,15 @@
   end
 
   def  test_parsing_variable_omitted
     assert_equal 6, Term.parse('6').coefficient
     assert_equal 0, Term.parse('6').exponent
+  end
+
+  def test_dup
+    term = Term.new(2,10)
+    assert_equal term.coefficient, term.dup.coefficient
+    assert_equal term.exponent, term.dup.exponent
   end
 
   def test_invalid_string_raises_not_parsable_error
     ['6x^ -5', '6^20',  '2 2', 'xx', '2 ^ x'].each do |not_parsable_string|
       assert_raises NotParsableError do