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-rw-r--r--activesupport/test/test_test.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/activesupport/test/test_test.rb b/activesupport/test/test_test.rb
index b1d916d5c0..944b98f529 100644
--- a/activesupport/test/test_test.rb
+++ b/activesupport/test/test_test.rb
@@ -53,4 +53,10 @@ class AssertDifferenceTest < Test::Unit::TestCase
assert_difference('local_scope; @object.num') { @object.increment }
end
end
+
+ def test_array_of_expressions
+ assert_difference [ '@object.num', '@object.num + 1' ], +1 do
+ @object.increment
+ end
+ end
end