test_thread.rb: count accurately

* test/ruby/test_thread.rb (test_thread_timer_and_interrupt):
  count only signal handling time accurately without setup and
  cleanup time.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56485 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 5 deletions

diff --git a/test/ruby/test_thread.rb b/test/ruby/test_thread.rb
index 9cb6a43cd5..5f756f93bf 100644
--- a/test/ruby/test_thread.rb
+++ b/test/ruby/test_thread.rb
@@ -836,24 +836,24 @@ _eom
 
   def test_thread_timer_and_interrupt
     bug5757 = '[ruby-dev:44985]'
-    t0 = Time.now.to_f
     pid = nil
     cmd = 'Signal.trap(:INT, "DEFAULT"); r,=IO.pipe; Thread.start {Thread.pass until Thread.main.stop?; puts; STDOUT.flush}; r.read'
     opt = {}
     opt[:new_pgroup] = true if /mswin|mingw/ =~ RUBY_PLATFORM
-    s, _err = EnvUtil.invoke_ruby(['-e', cmd], "", true, true, opt) do |in_p, out_p, err_p, cpid|
+    s, t, _err = EnvUtil.invoke_ruby(['-e', cmd], "", true, true, opt) do |in_p, out_p, err_p, cpid|
       out_p.gets
       pid = cpid
+      t0 = Time.now.to_f
       Process.kill(:SIGINT, pid)
       Process.wait(pid)
-      [$?, err_p.read]
+      t1 = Time.now.to_f
+      [$?, t1 - t0, err_p.read]
     end
-    t1 = Time.now.to_f
     assert_equal(pid, s.pid, bug5757)
     assert_equal([false, true, false, Signal.list["INT"]],
                  [s.exited?, s.signaled?, s.stopped?, s.termsig],
                  "[s.exited?, s.signaled?, s.stopped?, s.termsig]")
-    assert_in_delta(t1 - t0, 1, 1, bug5757)
+    assert_include(0..2, t, bug5757)
   end
 
   def test_thread_join_in_trap