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-rw-r--r--test/bigdecimal/test_bigdecimal.rb27
1 files changed, 27 insertions, 0 deletions
diff --git a/test/bigdecimal/test_bigdecimal.rb b/test/bigdecimal/test_bigdecimal.rb
index 042d11da0f6..ad48d70799a 100644
--- a/test/bigdecimal/test_bigdecimal.rb
+++ b/test/bigdecimal/test_bigdecimal.rb
@@ -1552,4 +1552,31 @@ class TestBigDecimal < Test::Unit::TestCase
Thread.current.keys.to_s
EOS
end
+
+ def assert_no_memory_leak(code, *rest, **opt)
+ code = "5.times {1_000.times {begin #{code}; rescue NoMemoryError; end; GC.start}} if b"
+ super(["-rbigdecimal"],
+ "b = BigDecimal('10'); b.nil?; " \
+ "GC.add_stress_to_class(BigDecimal); "\
+ "#{code}", code, *rest, rss: true, **opt)
+ end
+
+ if EnvUtil.gc_stress_to_class?
+ def test_no_memory_leak_allocate
+ assert_no_memory_leak("BigDecimal.allocate")
+ end
+
+ def test_no_memory_leak_initialize
+ assert_no_memory_leak("BigDecimal.new")
+ end
+
+ def test_no_memory_leak_global_new
+ assert_no_memory_leak("BigDecimal('10')")
+ assert_no_memory_leak("BigDecimal(b)")
+ end
+
+ def test_no_memory_leak_create
+ assert_no_memory_leak("b + 10")
+ end
+ end
end