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authortarui <tarui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2010-06-25 19:43:15 +0000
committertarui <tarui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2010-06-25 19:43:15 +0000
commitdb4a0d42dd03b942ab86843c4286a66362cfd6ff (patch)
tree128c2499e201ab74180794689ccb8d47ffc6f800 /test/dl
parentb652b55c51779ce5f22b636e6a2106f26a2eb55b (diff)
* 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
Diffstat (limited to 'test/dl')
-rw-r--r--test/dl/test_func.rb12
1 files changed, 12 insertions, 0 deletions
diff --git a/test/dl/test_func.rb b/test/dl/test_func.rb
index ab8353b..d438f94 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])