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11548f9253
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
16 lines
450 B
Ruby
16 lines
450 B
Ruby
require 'test/unit'
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require "-test-/string/string"
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require_relative '../../ruby/envutil'
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class Test_StringModifyExpand < Test::Unit::TestCase
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def test_modify_expand_memory_leak
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assert_no_memory_leak(["-r-test-/string/string"],
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<<-PRE, <<-CMD, "rb_str_modify_expand()", limit: 2.5)
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s=Bug::String.new
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PRE
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size = $initial_size
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10.times{s.modify_expand!(size)}
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s.replace("")
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CMD
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end
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end
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