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author | nagachika <nagachika@ruby-lang.org> | 2021-09-11 14:00:44 +0900 |
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committer | nagachika <nagachika@ruby-lang.org> | 2021-09-11 14:00:44 +0900 |
commit | 650af7d29d98de6a3c2631e31edc6fbe435ece89 (patch) | |
tree | c0380c4d89d151d87578450b4ae683006ffd04c7 /test/ruby/test_string.rb | |
parent | 13f64b65e0476c2fe416a29274fcc91e3c0cf5d3 (diff) |
merge revision(s) 5d815542815fe8b939239750bba7f8f0b79c97d6: [Backport #18154]
[Bug #18154] Fix memory leak in String#initialize
String#initialize can leak memory when called on a string that is marked
with STR_NOFREE because it does not unset the STR_NOFREE flag.
---
string.c | 2 +-
test/ruby/test_string.rb | 10 ++++++++++
2 files changed, 11 insertions(+), 1 deletion(-)
Diffstat (limited to 'test/ruby/test_string.rb')
-rw-r--r-- | test/ruby/test_string.rb | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/test/ruby/test_string.rb b/test/ruby/test_string.rb index 29ad98beaf..57e7dae18f 100644 --- a/test/ruby/test_string.rb +++ b/test/ruby/test_string.rb @@ -105,6 +105,16 @@ PREP CODE end + # Bug #18154 + def test_initialize_nofree_memory_leak + assert_no_memory_leak([], <<-PREP, <<-CODE, rss: true) +code = proc {0.to_s.__send__(:initialize, capacity: 10000)} +1_000.times(&code) +PREP +100_000.times(&code) +CODE + end + def test_AREF # '[]' assert_equal("A", S("AooBar")[0]) assert_equal("B", S("FooBaB")[-1]) |