From db5c958d2e0548935b8f7c13efd15f709f682d67 Mon Sep 17 00:00:00 2001
From: Torsten Ruger <torsten@villataika.fi>
Date: Sun, 31 May 2015 13:26:47 +0300
Subject: [PATCH] fix lists first

---
 lib/parfait/list.rb       |  2 +-
 test/parfait/test_list.rb | 16 +++++++++++++++-
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/lib/parfait/list.rb b/lib/parfait/list.rb
index 06aacae1..2f4a22ce 100644
--- a/lib/parfait/list.rb
+++ b/lib/parfait/list.rb
@@ -65,7 +65,7 @@ module Parfait
     end
 
     def first
-      return nil unless empty?
+      return nil if empty?
       get(1)
     end
 
diff --git a/test/parfait/test_list.rb b/test/parfait/test_list.rb
index e847e5f3..7f86e5a7 100644
--- a/test/parfait/test_list.rb
+++ b/test/parfait/test_list.rb
@@ -68,9 +68,23 @@ class TestList < MiniTest::Test
     assert_equal 3 , @list.index_of( :three )
     assert_equal nil , @list.index_of( :four )
   end
-  def test_incude
+  def test_inlcude
     test_many_get
     assert_equal true , @list.include?( :two )
     assert_equal false , @list.include?( :four )
   end
+  def test_empty_empty
+    assert_equal true , @list.empty?
+  end
+  def test_empty_notempty
+    assert_equal 1 , @list.set(1,1)
+    assert_equal false , @list.empty?
+  end
+  def test_first
+    test_many_get
+    assert_equal :one , @list.first
+  end
+  def test_first_empty
+    assert_equal nil , @list.first
+  end
 end