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-rw-r--r--test/t/argumenterror.rb5
1 files changed, 5 insertions, 0 deletions
diff --git a/test/t/argumenterror.rb b/test/t/argumenterror.rb
index 3dcb29a4b..3772f1b0f 100644
--- a/test/t/argumenterror.rb
+++ b/test/t/argumenterror.rb
@@ -30,3 +30,8 @@ assert("'wrong number of arguments' from mrb_get_args") do
assert_argnum_error(1, 2){Object.const_set(:B)}
assert_argnum_error(3, 2){Object.const_set(:C, 1, 2)}
end
+
+assert('Call to MRB_ARGS_NONE method') do
+ assert_raise(ArgumentError) { nil.__id__ 1 }
+ assert_raise(ArgumentError) { nil.__id__ opts: 1 }
+end