diff options
Diffstat (limited to 'test/ruby')
-rw-r--r-- | test/ruby/test_hash.rb | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/test/ruby/test_hash.rb b/test/ruby/test_hash.rb index a01f730904..970d0938bf 100644 --- a/test/ruby/test_hash.rb +++ b/test/ruby/test_hash.rb @@ -2272,4 +2272,13 @@ class TestHashOnly < Test::Unit::TestCase end; end end + + def test_compare_by_identity_during_iteration + h = { 1 => 1 } + h.each do + assert_raise(RuntimeError, "compare_by_identity during iteration") do + h.compare_by_identity + end + end + end end |