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* vm_eval.c (check_funcall): Raise ArgumentError if respond_to?

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requires more than three arguments. [Bug #6000]
	* test/ruby/test_object.rb (class TestObject):  Test for respond_to?
	  requiring more than three arguments.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35025 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
drbrain 2012-03-14 22:12:53 +00:00
parent 7316302483
commit 724e683e86
3 changed files with 29 additions and 1 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
Thu Mar 15 07:03:52 2012 Eric Hodel <drbrain@segment7.net>
* vm_eval.c (check_funcall): Raise ArgumentError if respond_to?
requires more than three arguments. [Bug #6000]
* test/ruby/test_object.rb (class TestObject): Test for respond_to?
requiring more than three arguments.
Thu Mar 15 06:08:06 2012 Marc-Andre Lafortune <ruby-core@marc-andre.ca>
* include/ruby/intern.h: Add rb_check_arity, rb_error_arity [#6085]

18
test/ruby/test_object.rb
View file

@ -460,6 +460,24 @@ class TestObject < Test::Unit::TestCase
assert_equal([[:respond_to?, :to_ary]], called, '[bug:6000]')
end
def test_implicit_respond_to_arity_3
p = Object.new
called = []
p.singleton_class.class_eval do
define_method(:respond_to?) do |a, b, c|
called << [:respond_to?, a, b, c]
false
end
end
e = assert_raises(ArgumentError, '[bug:6000]') do
[[p]].flatten
end
assert_equal('respond_to? must accept 1 or 2 arguments (requires 3)', e.message)
end
def test_method_missing_passed_block
bug5731 = '[ruby-dev:44961]'

5
vm_eval.c
View file

@ -272,7 +272,10 @@ check_funcall(VALUE recv, ID mid, int argc, VALUE *argv)
VALUE args[2];
int arity = rb_method_entry_arity(me);
if (arity < 1 || arity > 3) arity = 2;
if (arity > 2)
rb_raise(rb_eArgError, "respond_to? must accept 1 or 2 arguments (requires %d)", arity);
if (arity < 1) arity = 2;
args[0] = ID2SYM(mid);
args[1] = Qtrue;