check thread deadness correctly.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 10 insertions, 0 deletions

diff --git a/test/ruby/test_thread.rb b/test/ruby/test_thread.rb
index 9daff2d866..d7b5dadf81 100644
--- a/test/ruby/test_thread.rb
+++ b/test/ruby/test_thread.rb
@@ -1160,4 +1160,14 @@ q.pop
     c = Class.new(Thread) {def initialize() self.name = "foo"; super; end}
     assert_equal("foo", c.new {Thread.current.name}.value, bug12290)
   end
+
+  def test_thread_interrupt_for_killed_thread
+    assert_normal_exit(<<-_end, '[Bug #8996]', timeout: 5, timeout_error: nil)
+      trap(:TERM){exit}
+      while true
+        t = Thread.new{sleep 0}
+        t.raise Interrupt
+      end
+    _end
+  end
 end