diff options
| -rw-r--r-- | error.c | 3 | ||||
| -rw-r--r-- | test/ruby/test_exception.rb | 8 |
2 files changed, 10 insertions, 1 deletions
@@ -317,7 +317,8 @@ rb_warning_warn(VALUE mod, VALUE str) static int rb_warning_warn_arity(void) { - return rb_method_entry_arity(rb_method_entry(rb_singleton_class(rb_mWarning), id_warn)); + const rb_method_entry_t *me = rb_method_entry(rb_singleton_class(rb_mWarning), id_warn); + return me ? rb_method_entry_arity(me) : 1; } static VALUE diff --git a/test/ruby/test_exception.rb b/test/ruby/test_exception.rb index 2985f75fd6..3be9b9aee0 100644 --- a/test/ruby/test_exception.rb +++ b/test/ruby/test_exception.rb @@ -1192,6 +1192,14 @@ $stderr = $stdout; raise "\x82\xa0"') do |outs, errs, status| assert_empty warning end + def test_undef_Warning_warn + assert_separately([], "#{<<-"begin;"}\n#{<<-"end;"}") + begin; + Warning.undef_method(:warn) + assert_raise(NoMethodError) { warn "" } + end; + end + def test_undefined_backtrace assert_separately([], "#{<<-"begin;"}\n#{<<-"end;"}") begin; |