test_hijri.rb in hijri-0.5.0

- old
+ new

@@ -88,12 +88,12 @@
     date = Hijri::Date.new 1436, 2, 21
     assert_equal "Safar", date.strftime("%B")
   end
 
   def test_hijri_date_strftime_with_no_input
-    date = Hijri::Date.new 1433, 9, 18
-    assert_equal "1433-09-18", date.strftime
+    date = Hijri::Date.new 1433, 12, 18
+    assert_equal "1433-12-18", date.strftime
   end
   
   def test_hijri_datetime_strftime_with_no_input
     datetime = Hijri::DateTime.new 1433, 9, 18, 1, 1, 1, '+03:00'
     #"1433-09-18T01:01:01+03:00"
@@ -129,12 +129,50 @@
     assert_equal "079", date.strftime('%j')
   end
   
   def test_hijri_week_number_of_the_year
     date = Hijri::Date.new 1436, 3, 20
-    assert_equal("11", date.strftime('%U'))
-    assert_equal("11", date.strftime('%W'))
+    assert_equal "11", date.strftime('%U')
+    assert_equal "11", date.strftime('%W')
   end
 
-  # TODO add Hijri::Date.change and test it.
+  def test_date_change
+    date = Hijri::Date.new 1436, 3, 20
+    date_to_be = Hijri::Date.new 1435, 4, 10
+    
+    date.change :year => 1435, :month => 4, :day => 10
+    assert_equal date_to_be, date
+  end
+
+  def test_date_change_with_nil_arguments
+    date = Hijri::Date.new 1436, 3, 20
+    date_to_be = Hijri::Date.new 1435, 4, 20
+    
+    date.change :year => 1435, :month => 4, :day => nil
+    assert_equal date_to_be, date
+  end
+
+  def test_datetime_change
+    datetime = Hijri::DateTime.new(1436, 3, 20, 10, 15, 30)
+    datetime_to_be = Hijri::DateTime.new(1435, 4, 10, 9, 30, 0)
+    
+    datetime.change :year => 1435, :month => 4, :day => 10, :hour => 9, :minute => 30, :second => 0
+    assert_equal datetime_to_be, datetime
+  end
+
+  def test_datetime_change_with_nil_arguments
+    datetime = Hijri::DateTime.new(1436, 3, 20, 10, 15, 30)
+    datetime_to_be = Hijri::DateTime.new(1435, 4, 10, 9, 30, 30)
+    
+    datetime.change :year => 1435, :month => 4, :day => 10, :hour => 9, :minute => 30, :second => nil
+    assert_equal datetime_to_be, datetime
+  end
+
+  def test_initilize_date_with_invalid_arguments
+    assert_raises(ArgumentError) { Hijri::Date.new(1430, 30, 10) }
+  end
+
+  def test_initilize_datetime_with_invalid_arguments
+    assert_raises(ArgumentError) { Hijri::DateTime.new(1430, 12, 10, 30, 70) }
+  end
 
 end