Use abbr_day_name to get the first letter of the day name (#9839).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10202 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/unit/lib/redmine/i18n_test.rb

@@ -25,6 +25,10 @@ class Redmine::I18nTest < ActiveSupport::TestCase
     User.current.language = nil
   end
 
+  def teardown
+    set_language_if_valid 'en'
+  end
+
   def test_date_format_default
     set_language_if_valid 'en'
     today = Date.today
@@ -155,6 +159,18 @@ class Redmine::I18nTest < ActiveSupport::TestCase
     end
   end
 
+  def test_day_name
+    set_language_if_valid 'fr'
+    assert_equal 'dimanche', day_name(0)
+    assert_equal 'jeudi', day_name(4)
+  end
+
+  def test_day_letter
+    set_language_if_valid 'fr'
+    assert_equal 'd', day_letter(0)
+    assert_equal 'j', day_letter(4)
+  end
+
   def test_valid_languages
     assert valid_languages.is_a?(Array)
     assert valid_languages.first.is_a?(Symbol)