adds another test case in the monitors suite

1 files changed, 17 insertions, 1 deletions

diff --git a/activesupport/test/file_update_checker_with_enumerable_test_cases.rb b/activesupport/test/file_update_checker_with_enumerable_test_cases.rb
index 0aa1aaa727..e00ba893da 100644
--- a/activesupport/test/file_update_checker_with_enumerable_test_cases.rb
+++ b/activesupport/test/file_update_checker_with_enumerable_test_cases.rb
@@ -93,7 +93,7 @@ module FileUpdateCheckerWithEnumerableTestCases
     assert !checker.updated?
   end
 
-  def test_should_execute_the_block_if_files_change_in_a_watched_directory
+  def test_should_execute_the_block_if_files_change_in_a_watched_directory_one_extension
     i = 0
 
     checker = new_checker([], @tmpdir => :rb) { i += 1 }
@@ -104,6 +104,22 @@ module FileUpdateCheckerWithEnumerableTestCases
     assert_equal 1, i
   end
 
+  def test_should_execute_the_block_if_files_change_in_a_watched_directory_several_extensions
+    i = 0
+
+    checker = new_checker([], @tmpdir => [:rb, :txt]) { i += 1 }
+
+    touch("#{@tmpdir}/foo.rb")
+
+    assert checker.execute_if_updated
+    assert_equal 1, i
+
+    touch("#{@tmpdir}/foo.rb")
+
+    assert checker.execute_if_updated
+    assert_equal 2, i
+  end
+
   def test_should_not_execute_the_block_if_the_file_extension_is_not_watched
     i = 0