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-rw-r--r--test/thread/test_sync.rb8
1 files changed, 6 insertions, 2 deletions
diff --git a/test/thread/test_sync.rb b/test/thread/test_sync.rb
index e576fc1d32..8241445faf 100644
--- a/test/thread/test_sync.rb
+++ b/test/thread/test_sync.rb
@@ -52,11 +52,15 @@ class SyncTest < Test::Unit::TestCase
tester= Tester.new
tester.sync_lock(:EX)
- t = Thread.new { tester.sync_lock(:EX) }
+ t = Thread.new {
+ assert_raise(RuntimeError) {
+ tester.sync_lock(:EX)
+ }
+ }
sleep 0.1 until t.stop?
t.raise
- sleep 0.1 while t.alive?
+ t.join
assert_equal(tester.sync_waiting.uniq, tester.sync_waiting)
assert_equal(tester.sync_waiting, [])