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authorBen Cheng <bccheng@google.com>2013-03-28 11:14:20 -0700
committerBen Cheng <bccheng@google.com>2013-03-28 12:40:33 -0700
commitaf0c51ac87ab2a87caa03fa108f0d164987a2764 (patch)
tree4b8b470f7c5b69642fdab8d0aa1fbc148d02196b /gcc-4.8/gcc/testsuite/g++.dg/init/new39.C
parentd87cae247d39ebf4f5a6bf25c932a14d2fdb9384 (diff)
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[GCC 4.8] Initial check-in of GCC 4.8.0
Change-Id: I0719d8a6d0f69b367a6ab6f10eb75622dbf12771
Diffstat (limited to 'gcc-4.8/gcc/testsuite/g++.dg/init/new39.C')
-rw-r--r--gcc-4.8/gcc/testsuite/g++.dg/init/new39.C68
1 files changed, 68 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/testsuite/g++.dg/init/new39.C b/gcc-4.8/gcc/testsuite/g++.dg/init/new39.C
new file mode 100644
index 000000000..f274ebb7b
--- /dev/null
+++ b/gcc-4.8/gcc/testsuite/g++.dg/init/new39.C
@@ -0,0 +1,68 @@
+// Testcase for overflow handling in operator new[].
+// { dg-do run }
+
+#include <stdlib.h>
+#include <stdexcept>
+
+struct without_new {
+ char bar[256];
+};
+
+struct with_new {
+ char bar[256];
+ void *operator new[] (size_t sz)
+ {
+ if (sz != -1)
+ abort ();
+ throw std::bad_alloc();
+ }
+};
+
+template <typename T>
+inline void
+test (size_t s)
+{
+ try {
+ new T[s];
+ abort ();
+ } catch (std::bad_alloc &) {
+ }
+}
+
+template <typename T>
+void
+test_noopt (size_t s) __attribute__((noinline));
+
+template <typename T>
+void
+test_noopt (size_t s)
+{
+ __asm__ ("");
+ test<T> (s);
+}
+
+template <typename T>
+void
+all_tests ()
+{
+ test<T>(-1);
+ test<T>(size_t(-1) / sizeof (T) + 1);
+ test<T>(size_t(-1) / sizeof (T) + 2);
+ test_noopt<T>(-1);
+ test_noopt<T>(size_t(-1) / sizeof (T) + 1);
+ test_noopt<T>(size_t(-1) / sizeof (T) + 2);
+}
+
+int
+main ()
+{
+ try {
+ ::operator new(size_t(-1));
+ abort ();
+ } catch (std::bad_alloc &) {
+ }
+ all_tests<without_new> ();
+ all_tests<with_new> ();
+ return 0;
+}
+