X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=libstdc%2B%2B-v3%2Ftestsuite%2F23_containers%2Fvector%2Fzero_sized_allocations.cc;fp=libstdc%2B%2B-v3%2Ftestsuite%2F23_containers%2Fvector%2Fzero_sized_allocations.cc;h=7441cf89db69b97b12014cb2182239d94f9665c5;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git
diff --git a/libstdc++-v3/testsuite/23_containers/vector/zero_sized_allocations.cc b/libstdc++-v3/testsuite/23_containers/vector/zero_sized_allocations.cc
new file mode 100644
index 00000000..7441cf89
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/vector/zero_sized_allocations.cc
@@ -0,0 +1,68 @@
+// Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// .
+//
+
+#include
+#include
+#include
+
+unsigned int zero_sized_news = 0;
+
+void *operator new(size_t size) throw (std::bad_alloc)
+{
+ /* malloc(0) is unpredictable; avoid it. */
+ if (size == 0)
+ {
+ size = 1;
+ ++zero_sized_news;
+ }
+
+ void *p = std::malloc(size);
+
+ if (p == 0)
+ throw std::bad_alloc();
+
+ return p;
+}
+
+void operator delete(void *ptr) throw()
+{
+ if (ptr != 0)
+ std::free(ptr);
+}
+
+// http://gcc.gnu.org/ml/libstdc++/2007-09/msg00006.html
+void test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::vector > *v;
+ VERIFY( zero_sized_news == 0 );
+
+ v = new std::vector >;
+ VERIFY( zero_sized_news == 0 );
+
+ v->resize(10);
+ delete(v);
+ VERIFY( zero_sized_news == 0 );
+}
+
+int main()
+{
+ test01();
+ return 0;
+}