fix object compiletime

and write some tests for it

test/parfait/test_object.rb

@@ -0,0 +1,54 @@
+require_relative "../helper"
+
+class TestObject < MiniTest::Test
+
+  def setup
+     @object = ::Parfait::Object.new_object
+  end
+
+  def test_list_create
+    assert_equal 0 ,  @object.internal_object_length
+  end
+
+  def test_empty_list_doesnt_return
+    assert_equal nil ,  @object.internal_object_get(3)
+  end
+
+  def test_one_set1
+    assert_equal 1 ,  @object.internal_object_set(1,1)
+  end
+
+  def test_set1_len
+     @object.internal_object_set(1,1)
+    assert_equal 1 ,  @object.internal_object_length
+  end
+
+  def test_one_set2
+    assert_equal :some ,  @object.internal_object_set(2,:some)
+  end
+  def test_set2_len
+     @object.internal_object_set(2,:some)
+    assert_equal 2 ,  @object.internal_object_length
+  end
+  def test_two_sets
+    assert_equal 1 ,  @object.internal_object_set(1,1)
+    assert_equal :some ,  @object.internal_object_set(1,:some)
+  end
+  def test_one_get1
+    test_one_set1
+    assert_equal 1 ,  @object.internal_object_get(1)
+  end
+  def test_one_get2
+    test_one_set2
+    assert_equal :some ,  @object.internal_object_get(2)
+  end
+  def test_many_get
+    shouldda  = { 1 => :one , 2 => :two , 3 => :three}
+    shouldda.each do |k,v|
+       @object.internal_object_set(k,v)
+    end
+    shouldda.each do |k,v|
+      assert_equal v ,  @object.internal_object_get(k)
+    end
+  end
+end