Dates and times interpret empty strings as nil rather than 2000-01-01. Closes #4830.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4327 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 25 insertions, 0 deletions

diff --git a/activerecord/test/empty_date_time_test.rb b/activerecord/test/empty_date_time_test.rb
new file mode 100644
index 0000000000..0b50b0949a
--- /dev/null
+++ b/activerecord/test/empty_date_time_test.rb
@@ -0,0 +1,25 @@
+require 'abstract_unit'
+require 'fixtures/topic'
+require 'fixtures/task'
+
+class EmptyDateTimeTest < Test::Unit::TestCase
+  def test_assign_empty_date_time
+    task = Task.new
+    task.starting = ''
+    task.ending = nil
+    assert_nil task.starting
+    assert_nil task.ending
+  end
+
+  def test_assign_empty_date
+    topic = Topic.new
+    topic.last_read = ''
+    assert_nil topic.last_read
+  end
+
+  def test_assign_empty_time
+    topic = Topic.new
+    topic.bonus_time = ''
+    assert_nil topic.bonus_time
+  end
+end