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authornagachika <nagachika@ruby-lang.org>2023-11-19 22:00:38 +0900
committernagachika <nagachika@ruby-lang.org>2023-11-19 22:00:38 +0900
commit1cc38d5a2f84733e1c2e42548639e2891fe61e69 (patch)
tree04eaa9b0e34fbf197451fc2c88b67b1a06c4ecb9 /test
parent5baf94f9131fb45d50c8c408e007a138ced46606 (diff)
merge revision(s) 9eac9d71786a8dbec520d0541a91149f01adf8ea: [Backport #19969]
[Bug #19969] Compact st_table after deleted if possible --- hash.c | 19 +++++++++++++++++++ st.c | 40 +++++++++++++++++++++++++++++----------- test/ruby/test_hash.rb | 9 +++++++++ 3 files changed, 57 insertions(+), 11 deletions(-)
Diffstat (limited to 'test')
-rw-r--r--test/ruby/test_hash.rb9
1 files changed, 9 insertions, 0 deletions
diff --git a/test/ruby/test_hash.rb b/test/ruby/test_hash.rb
index 8b6065146c..8d36cf657f 100644
--- a/test/ruby/test_hash.rb
+++ b/test/ruby/test_hash.rb
@@ -1758,6 +1758,15 @@ class TestHash < Test::Unit::TestCase
assert_no_memory_leak([], prepare, code, bug9187)
end
+ def test_memory_size_after_delete
+ require 'objspace'
+ h = {}
+ 1000.times {|i| h[i] = true}
+ big = ObjectSpace.memsize_of(h)
+ 1000.times {|i| h.delete(i)}
+ assert_operator ObjectSpace.memsize_of(h), :<, big/10
+ end
+
def test_wrapper
bug9381 = '[ruby-core:59638] [Bug #9381]'