* 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
This commit is contained in:
nobu 2012-02-09 15:47:11 +00:00
Родитель ba89c7d70e
Коммит 5ee0135a2f
3 изменённых файлов: 31 добавлений и 17 удалений

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@ -1,3 +1,9 @@
Fri Feb 10 00:47:07 2012 Nobuyoshi Nakada <nobu@ruby-lang.org>
* test/ruby/envutil.rb (assert_no_memory_leak): new assertion to
check memory leak by invoking child ruby process and watch its
memory size.
Thu Feb 9 23:41:44 2012 CHIKANAGA Tomoyuki <nagachika00@gmail.com>
* test/pathname/test_pathname.rb (test_binread): add assertion to

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@ -4,26 +4,12 @@ require_relative '../../ruby/envutil'
class Test_StringModifyExpand < Test::Unit::TestCase
def test_modify_expand_memory_leak
before = after = nil
args = [
"--disable=gems", "-r-test-/string/string",
"-I"+File.expand_path("../../..", __FILE__),
"-rruby/memory_status",
"-e", <<-CMD
assert_no_memory_leak(["-r-test-/string/string"], <<-PRE, <<-CMD, "rb_str_modify_expand()")
s=Bug::String.new
size=Memory::Status.new.size
puts size
PRE
size = $initial_size
10.times{s.modify_expand!(size)}
s.replace("")
puts Memory::Status.new.size
CMD
]
status = EnvUtil.invoke_ruby(args, "", true) do |in_p, out_p, err_p, pid|
before, after = out_p.readlines.map(&:to_i)
Process.wait(pid)
$?
end
assert_equal(true, status.success?)
assert_operator after.fdiv(before), :<, 2
end
end

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@ -184,6 +184,28 @@ module Test
assert(msg === stderr, "warning message #{stderr.inspect} is expected to match #{msg.inspect}")
end
def assert_no_memory_leak(args, prepare, code, message=nil, limit: 1.5)
token = "\e[7;1m#{$$.to_s}:#{Time.now.strftime('%s.%L')}:#{rand(0x10000).to_s(16)}:\e[m"
token_dump = token.dump
token_re = Regexp.quote(token)
args = [
"--disable=gems",
"-r", File.expand_path("../memory_status", __FILE__),
*args,
"-v", "-",
]
cmd = [
'END {STDERR.puts '"#{token_dump}"'"FINAL=#{Memory::Status.new.size}"}',
prepare,
'STDERR.puts('"#{token_dump}"'"START=#{$initial_size = Memory::Status.new.size}")',
code,
].join("\n")
out, err, status = EnvUtil.invoke_ruby(args, cmd, true, true)
before = err.sub!(/^#{token_re}START=(\d+)\n/, '') && $1.to_i
after = err.sub!(/^#{token_re}FINAL=(\d+)\n/, '') && $1.to_i
assert_equal([true, ""], [status.success?, err], message)
assert_operator(after.fdiv(before), :<, limit, message)
end
end
end
end