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* test/ruby/envutil.rb (assert_no_memory_leak): new assertion to
check memory leak by invoking child ruby process and watch its memory size. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34520 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -1,3 +1,9 @@
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Fri Feb 10 00:47:07 2012 Nobuyoshi Nakada <nobu@ruby-lang.org>
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* test/ruby/envutil.rb (assert_no_memory_leak): new assertion to
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check memory leak by invoking child ruby process and watch its
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memory size.
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Thu Feb 9 23:41:44 2012 CHIKANAGA Tomoyuki <nagachika00@gmail.com>
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* test/pathname/test_pathname.rb (test_binread): add assertion to
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@ -4,26 +4,12 @@ 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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before = after = nil
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args = [
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"--disable=gems", "-r-test-/string/string",
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"-I"+File.expand_path("../../..", __FILE__),
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"-rruby/memory_status",
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"-e", <<-CMD
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assert_no_memory_leak(["-r-test-/string/string"], <<-PRE, <<-CMD, "rb_str_modify_expand()")
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s=Bug::String.new
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size=Memory::Status.new.size
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puts size
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PRE
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size = $initial_size
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10.times{s.modify_expand!(size)}
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s.replace("")
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puts Memory::Status.new.size
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CMD
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]
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status = EnvUtil.invoke_ruby(args, "", true) do |in_p, out_p, err_p, pid|
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before, after = out_p.readlines.map(&:to_i)
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Process.wait(pid)
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$?
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end
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assert_equal(true, status.success?)
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assert_operator after.fdiv(before), :<, 2
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end
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end
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@ -184,6 +184,28 @@ module Test
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assert(msg === stderr, "warning message #{stderr.inspect} is expected to match #{msg.inspect}")
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end
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def assert_no_memory_leak(args, prepare, code, message=nil, limit: 1.5)
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token = "\e[7;1m#{$$.to_s}:#{Time.now.strftime('%s.%L')}:#{rand(0x10000).to_s(16)}:\e[m"
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token_dump = token.dump
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token_re = Regexp.quote(token)
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args = [
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"--disable=gems",
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"-r", File.expand_path("../memory_status", __FILE__),
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*args,
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"-v", "-",
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]
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cmd = [
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'END {STDERR.puts '"#{token_dump}"'"FINAL=#{Memory::Status.new.size}"}',
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prepare,
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'STDERR.puts('"#{token_dump}"'"START=#{$initial_size = Memory::Status.new.size}")',
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code,
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].join("\n")
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out, err, status = EnvUtil.invoke_ruby(args, cmd, true, true)
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before = err.sub!(/^#{token_re}START=(\d+)\n/, '') && $1.to_i
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after = err.sub!(/^#{token_re}FINAL=(\d+)\n/, '') && $1.to_i
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assert_equal([true, ""], [status.success?, err], message)
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assert_operator(after.fdiv(before), :<, limit, message)
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end
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end
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end
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end
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