Implement N3672, optional<T>.

llvm-svn: 189772

1 files changed, 31 insertions, 0 deletions

diff --git a/libcxx/test/utilities/optional/optional.bad_optional_access/string.pass.cpp b/libcxx/test/utilities/optional/optional.bad_optional_access/string.pass.cpp
new file mode 100644
index 00000000000..8658906498c
--- /dev/null
+++ b/libcxx/test/utilities/optional/optional.bad_optional_access/string.pass.cpp
@@ -0,0 +1,31 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <optional>
+
+// class bad_optional_access;
+// explicit bad_optional_access(const string& what_arg);
+
+#include <optional>
+#include <string>
+#include <cstring>
+#include <cassert>
+
+#if _LIBCPP_STD_VER > 11
+
+#endif  // _LIBCPP_STD_VER > 11
+
+int main()
+{
+#if _LIBCPP_STD_VER > 11
+    const std::string s("message");
+    std::bad_optional_access e(s);
+    assert(std::strcmp(e.what(), s.c_str()) == 0);
+#endif  // _LIBCPP_STD_VER > 11
+}