2 files changed, 34 insertions, 3 deletions
diff --git a/activemodel/test/cases/validations/length_validation_test.rb b/activemodel/test/cases/validations/length_validation_test.rb
index 4a2f72feab..2c97b762f1 100644
--- a/activemodel/test/cases/validations/length_validation_test.rb
+++ b/activemodel/test/cases/validations/length_validation_test.rb
@@ -52,6 +52,12 @@ class LengthValidationTest < ActiveModel::TestCase
     assert_equal ["is too short (minimum is 5 characters)"], t.errors["title"]
   end
 
+  def test_validates_length_of_using_maximum_should_allow_nil
+    Topic.validates_length_of :title, :maximum => 10
+    t = Topic.create
+    assert t.valid?
+  end
+
   def test_optionally_validates_length_of_using_minimum
     Topic.validates_length_of :title, :minimum => 5, :allow_nil => true
 
@@ -75,9 +81,6 @@ class LengthValidationTest < ActiveModel::TestCase
 
     t.title = ""
     assert t.valid?
-
-    t.title = nil
-    assert !t.valid?
   end
 
   def test_optionally_validates_length_of_using_maximum
@@ -109,6 +112,20 @@ class LengthValidationTest < ActiveModel::TestCase
     assert t.valid?
   end
 
+  def test_validates_length_of_using_within_with_exclusive_range
+    Topic.validates_length_of(:title, :within => 4...10)
+
+    t = Topic.new("title" => "9 chars!!")
+    assert t.valid?
+
+    t.title = "Now I'm 10"
+    assert !t.valid?
+    assert_equal ["is too long (maximum is 9 characters)"], t.errors[:title]
+
+    t.title = "Four"
+    assert t.valid?
+  end
+
   def test_optionally_validates_length_of_using_within
     Topic.validates_length_of :title, :content, :within => 3..5, :allow_nil => true
 
diff --git a/activemodel/test/cases/validations/presence_validation_test.rb b/activemodel/test/cases/validations/presence_validation_test.rb
index aa5bdf1e62..bb6fb91774 100644
--- a/activemodel/test/cases/validations/presence_validation_test.rb
+++ b/activemodel/test/cases/validations/presence_validation_test.rb
@@ -54,4 +54,18 @@ class PresenceValidationTest < ActiveModel::TestCase
       assert p.valid?
     end
   end
+  
+  def test_validates_presence_of_for_ruby_class_with_custom_reader
+    repair_validations(Person) do
+      CustomReader.validates_presence_of :karma
+
+      p = CustomReader.new
+      assert p.invalid?
+
+      assert_equal ["can't be blank"], p.errors[:karma]
+
+      p[:karma] = "Cold"
+      assert p.valid?
+    end
+  end
 end