* include/ruby/intern.h: Add rb_check_arity, rb_error_arity [#6085]

* array.c: Use rb_check_arity / rb_error_arity

* class.c: ditto

* enumerator.c: ditto

* eval.c: ditto

* file.c: ditto

* hash.c: ditto

* numeric.c: ditto

* proc.c: ditto

* process.c: ditto

* random.c: ditto

* re.c: ditto

* signal.c: ditto

* string.c: ditto

* struct.c: ditto

* transcode.c: ditto

* vm_eval.c: ditto

* vm_insnhelper.c: ditto & implementation of rb_error_arity

* test/ruby/test_arity.rb: tests for above

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35024 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 10 insertions, 0 deletions

diff --git a/test/ruby/test_arity.rb b/test/ruby/test_arity.rb
index 23c2cd9e67..2d84330ffc 100644
--- a/test/ruby/test_arity.rb
+++ b/test/ruby/test_arity.rb
@@ -58,4 +58,14 @@ class TestArity < Test::Unit::TestCase
     assert_equal :ok,  p.call(1, 2, 3)
     assert_equal :ok,  p.call
   end
+
+  def test_message_change_issue_6085
+    assert_equal "3 for 1..2",  err_mess{ SignalException.new(1, "", nil) }
+    assert_equal "1 for 0",     err_mess{ Hash.new(1){} }
+    assert_equal "3 for 1..2",  err_mess{ Module.send :define_method, 1, 2, 3 }
+    assert_equal "1 for 2",     err_mess{ "".sub!(//) }
+    assert_equal "0 for 1..2",  err_mess{ "".sub!{} }
+    assert_equal "0 for 1+",    err_mess{ exec }
+    assert_equal "0 for 1+",    err_mess{ Struct.new }
+  end
 end