* ext/dl/lib/dl/func.rb (DL::Function#bind): When Fiddle is used,

  @ptr should be updated. This fixes SEGV raised in DL::Function#call
  after calling DL::Function#bind. [Bug #7516] [ruby-dev:46708]
* test/dl/test_func.rb (test_bind): test for the above


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38211 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 8 insertions, 0 deletions

diff --git a/test/dl/test_func.rb b/test/dl/test_func.rb
index 514ed6c6c2..b1aac15dd2 100644
--- a/test/dl/test_func.rb
+++ b/test/dl/test_func.rb
@@ -15,6 +15,14 @@ module DL
       assert_equal('<callback>qsort', cb.name)
     end
 
+    def test_bind
+      f = Function.new(CFunc.new(0, TYPE_INT, 'test'), [TYPE_INT, TYPE_INT])
+      assert_nothing_raised {
+        f.bind { |x, y| x + y }
+      }
+      assert_equal 579, f.call(123, 456)
+    end
+
     def test_to_i
       cfunc = CFunc.new(@libc['strcpy'], TYPE_VOIDP, 'strcpy')
       f = Function.new(cfunc, [TYPE_VOIDP, TYPE_VOIDP])