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-rw-r--r--test/ruby/test_string.rb9
1 files changed, 9 insertions, 0 deletions
diff --git a/test/ruby/test_string.rb b/test/ruby/test_string.rb
index 1fa5126931..d50380aaf6 100644
--- a/test/ruby/test_string.rb
+++ b/test/ruby/test_string.rb
@@ -2972,6 +2972,15 @@ CODE
end
=end
+ def test_nesting_shared
+ a = ('a' * 24).encode(Encoding::ASCII).gsub('x', '')
+ hash = {}
+ hash[a] = true
+ assert_equal(('a' * 24), a)
+ 4.times { GC.start }
+ assert_equal(('a' * 24), a, '[Bug #15792]')
+ end
+
def test_shared_force_encoding
s = "\u{3066}\u{3059}\u{3068}".gsub(//, '')
h = {}