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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 24a8eae346..5ecaaa3aa6 100644
--- a/test/ruby/test_array.rb
+++ b/test/ruby/test_array.rb
@@ -2821,6 +2821,7 @@ class TestArray < Test::Unit::TestCase
assert_float_equal(large_number+(small_number*10), [large_number, *[small_number]*10].sum)
assert_float_equal(large_number+(small_number*10), [large_number/1r, *[small_number]*10].sum)
assert_float_equal(large_number+(small_number*11), [small_number, large_number/1r, *[small_number]*10].sum)
+ assert_float_equal(small_number, [large_number, small_number, -large_number].sum)
assert_equal("abc", ["a", "b", "c"].sum(""))
assert_equal([1, [2], 3], [[1], [[2]], [3]].sum([]))