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-rw-r--r--test/ruby/test_array.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/test/ruby/test_array.rb b/test/ruby/test_array.rb
index 42476ace24..977c14cfa0 100644
--- a/test/ruby/test_array.rb
+++ b/test/ruby/test_array.rb
@@ -767,6 +767,7 @@ class TestArray < Test::Unit::TestCase
a5 = @cls[ a1, @cls[], a3 ]
assert_equal(@cls[1, 2, 3, 4, 5, 6], a5.flatten)
+ assert_equal(@cls[1, 2, 3, 4, [5, 6]], a5.flatten(1))
assert_equal(@cls[], @cls[].flatten)
assert_equal(@cls[],
@cls[@cls[@cls[@cls[],@cls[]],@cls[@cls[]],@cls[]],@cls[@cls[@cls[]]]].flatten)