1 files changed, 8 insertions, 0 deletions
diff --git a/test/t/hash.rb b/test/t/hash.rb
index c51af03aa..a5e51d83b 100644
--- a/test/t/hash.rb
+++ b/test/t/hash.rb
@@ -944,6 +944,14 @@ assert('Hash#rehash') do
   h = {}
   assert_same(h, h.rehash)
   assert_predicate(h, :empty?)
+
+  h = {}
+  (1..17).each{h[_1] = _1 * 2}
+  (2..16).each{h.delete(_1)}
+  assert_same(h, h.rehash)
+  assert_equal([[1, 2], [17, 34]], h.to_a)
+  assert_equal(2, h.size)
+  [1, 17].each{assert_equal(_1 * 2, h[_1])}
 end
 
 assert('#eql? receiver should be specified key') do