Imported Upstream version 3.3.0.2upstream/3.3.0.2

1 files changed, 73 insertions, 0 deletions

diff --git a/libcult/examples/mm/shptr/shptr.cxx b/libcult/examples/mm/shptr/shptr.cxx
new file mode 100644
index 0000000..cb026d4
--- /dev/null
+++ b/libcult/examples/mm/shptr/shptr.cxx
@@ -0,0 +1,73 @@
+// file      : examples/mm/shptr/shptr.cxx
+// author    : Boris Kolpackov <boris@kolpackov.net>
+// copyright : Copyright (c) 2005-2010 Boris Kolpackov
+// license   : GNU GPL v2 + exceptions; see accompanying LICENSE file
+
+#include <cult/mm/shptr.hxx>
+#include <cult/mm/new.hxx>     // MM::locate
+#include <cult/mm/counter.hxx> // MM::inc_ref
+
+#include <iostream>
+
+using std::cerr;
+using std::endl;
+
+using namespace Cult;
+using namespace MM;
+
+struct Foo 
+{
+  virtual ~Foo () {} 
+  char c;
+};
+
+struct Bar: virtual Foo {char c;};
+
+struct Baz: virtual Foo {char c;};
+
+struct Fox: Bar, Baz {};
+
+
+struct A
+{
+  char c[8];
+};
+
+struct B
+{
+  char c[8];
+};
+
+struct C : A, B
+{
+  char c[8];
+};
+
+int
+main ()
+{
+  {
+    Baz* bp (new Fox);
+    Foo* fp (bp);
+
+    Counter* cp (locate (fp, *counted));
+
+    inc_ref (bp);
+
+    cp->dec_ref ();
+
+    if (cp->dec_ref ()) cerr << "good: destroying" << endl;
+    else cerr << "bad: leaking" << endl;
+
+    delete bp;
+  }
+
+  {
+    Shptr<Fox> pfox (new Fox);
+    Shptr<Bar> pbar (pfox);
+
+    Shptr<Foo> pfoo;
+
+    pfoo = pbar;
+  }
+}