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-rw-r--r--mrbgems/mruby-fiber/test/fiber.rb4
1 files changed, 4 insertions, 0 deletions
diff --git a/mrbgems/mruby-fiber/test/fiber.rb b/mrbgems/mruby-fiber/test/fiber.rb
index 620372898..e10878bf4 100644
--- a/mrbgems/mruby-fiber/test/fiber.rb
+++ b/mrbgems/mruby-fiber/test/fiber.rb
@@ -110,3 +110,7 @@ assert('Root fiber resume') do
f.resume
assert_false f.alive?
end
+
+assert('Fiber without block') do
+ assert_raise(ArgumentError) { Fiber.new }
+end