libcxx initial import
llvm-svn: 103490
diff --git a/libcxx/test/strings/basic.string/string.access/at.pass.cpp b/libcxx/test/strings/basic.string/string.access/at.pass.cpp
new file mode 100644
index 0000000..1e05a46
--- /dev/null
+++ b/libcxx/test/strings/basic.string/string.access/at.pass.cpp
@@ -0,0 +1,44 @@
+//===----------------------------------------------------------------------===//
+//
+// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <string>
+
+// const_reference at(size_type pos) const;
+// reference at(size_type pos);
+
+#include <string>
+#include <stdexcept>
+#include <cassert>
+
+template <class S>
+void
+test(S s, typename S::size_type pos)
+{
+ try
+ {
+ const S& cs = s;
+ assert(s.at(pos) == s[pos]);
+ assert(cs.at(pos) == cs[pos]);
+ assert(pos < cs.size());
+ }
+ catch (std::out_of_range&)
+ {
+ assert(pos >= s.size());
+ }
+}
+
+int main()
+{
+ typedef std::string S;
+ test(S(), 0);
+ test(S("123"), 0);
+ test(S("123"), 1);
+ test(S("123"), 2);
+ test(S("123"), 3);
+}