* thread.c (rb_threadptr_interrupt_mask): add argument check.

* thread.c (async_interrupt_timing_arg_check_i): helper function
  for the above.
* test/ruby/test_thread.rb (test_async_interrupt_timing_invalid_argument):
  test for the above.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38081 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 12 insertions, 0 deletions

diff --git a/test/ruby/test_thread.rb b/test/ruby/test_thread.rb
index 53111d9458..beee4c4be5 100644
--- a/test/ruby/test_thread.rb
+++ b/test/ruby/test_thread.rb
@@ -714,6 +714,18 @@ class TestThread < Test::Unit::TestCase
     # TODO: complex cases are needed.
   end
 
+  def test_async_interrupt_timing_invalid_argument
+    assert_raise(ArgumentError) {
+      Thread.async_interrupt_timing(RuntimeError => :immediate) # no block
+    }
+    assert_raise(ArgumentError) {
+      Thread.async_interrupt_timing(RuntimeError => :never) {} # never?
+    }
+    assert_raise(TypeError) {
+      Thread.async_interrupt_timing([]) {} # array
+    }
+  end
+
   def test_async_interrupted?
     q = Queue.new
     Thread.async_interrupt_timing(RuntimeError => :defer){