From db4a0d42dd03b942ab86843c4286a66362cfd6ff Mon Sep 17 00:00:00 2001 From: tarui Date: Fri, 25 Jun 2010 19:43:15 +0000 Subject: * ext/dl/lib/dl/func.rb (call): don't overwrite original arguments to defend from GC. * test/dl/test_func.rb (test_string): add test for above. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28440 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/dl/test_func.rb | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'test') diff --git a/test/dl/test_func.rb b/test/dl/test_func.rb index ab8353bd76..d438f94506 100644 --- a/test/dl/test_func.rb +++ b/test/dl/test_func.rb @@ -46,6 +46,18 @@ module DL assert_equal("123", str.to_s) end + def test_string() + stress, GC.stress = GC.stress, true + f = Function.new(CFunc.new(@libc['strcpy'], TYPE_VOIDP, 'strcpy'), + [TYPE_VOIDP, TYPE_VOIDP]) + buff = "000" + str = f.call(buff, "123") + assert_equal("123", buff) + assert_equal("123", str.to_s) + ensure + GC.stress = stress + end + def test_isdigit() f = Function.new(CFunc.new(@libc['isdigit'], TYPE_INT, 'isdigit'), [TYPE_INT]) -- cgit v1.2.3