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ruby--ruby/test/-ext-/string/test_modify_expand.rb
normal 11548f9253 test/-ext-/string/test_modify_expand.rb: increase limit for {je,tc}malloc
In this test, jemalloc and tcmalloc are both more hesitant to
release memory to the kernel than the stock glibc allocator.

Tested on jemalloc 3.6.0 (self-built) and libtcmalloc-minimal 2.0-2
(Debian package) on x86_64-linux

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47620 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-09-17 22:05:22 +00:00

16 lines
450 B
Ruby

require 'test/unit'
require "-test-/string/string"
require_relative '../../ruby/envutil'
class Test_StringModifyExpand < Test::Unit::TestCase
def test_modify_expand_memory_leak
assert_no_memory_leak(["-r-test-/string/string"],
<<-PRE, <<-CMD, "rb_str_modify_expand()", limit: 2.5)
s=Bug::String.new
PRE
size = $initial_size
10.times{s.modify_expand!(size)}
s.replace("")
CMD
end
end