Debug mode for string. This commit also marks the first time libc++ debug-mode has found a bug (found one in regex). Had to play with extern templates a bit to get this to work since string is heavily used within libc++.dylib.
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@189114 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/strings/basic.string/string.access/back.pass.cpp b/test/strings/basic.string/string.access/back.pass.cpp
index f241d4d..9c4800e 100644
--- a/test/strings/basic.string/string.access/back.pass.cpp
+++ b/test/strings/basic.string/string.access/back.pass.cpp
@@ -12,6 +12,10 @@
// const charT& back() const;
// charT& back();
+#ifdef _LIBCPP_DEBUG2
+#define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::exit(0))
+#endif
+
#include <string>
#include <cassert>
@@ -42,4 +46,11 @@
test(S("1234567890123456789012345678901234567890"));
}
#endif
+#ifdef _LIBCPP_DEBUG2
+ {
+ std::string s;
+ char c = s.back();
+ assert(false);
+ }
+#endif
}