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-rw-r--r--test/ruby/test_range.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/test/ruby/test_range.rb b/test/ruby/test_range.rb
index b631c7d2b9..b704f8e182 100644
--- a/test/ruby/test_range.rb
+++ b/test/ruby/test_range.rb
@@ -226,6 +226,8 @@ class TestRange < Test::Unit::TestCase
assert_kind_of(Enumerator::ArithmeticSequence, (0..10).step(2))
assert_kind_of(Enumerator::ArithmeticSequence, (0..10).step(0.5))
assert_kind_of(Enumerator::ArithmeticSequence, (10..0).step(-1))
+ assert_kind_of(Enumerator::ArithmeticSequence, (..10).step(2))
+ assert_kind_of(Enumerator::ArithmeticSequence, (1..).step(2))
assert_raise(ArgumentError) { (0..10).step(0) { } }
assert_raise(ArgumentError) { (0..).step(-1) { } }