From 61b9a7258a7693d7f3674a5a1daf7b036ff1d382 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 6 Sep 2015 18:46:46 +0000
Subject: Import libc++ 3.7.0 release (r246257).

---
 .../strings/basic.string/string.access/at.pass.cpp | 58 ++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 test/std/strings/basic.string/string.access/at.pass.cpp

(limited to 'test/std/strings/basic.string/string.access/at.pass.cpp')

diff --git a/test/std/strings/basic.string/string.access/at.pass.cpp b/test/std/strings/basic.string/string.access/at.pass.cpp
new file mode 100644
index 0000000000000..8fada8fb1eea8
--- /dev/null
+++ b/test/std/strings/basic.string/string.access/at.pass.cpp
@@ -0,0 +1,58 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <string>
+
+// const_reference at(size_type pos) const;
+//       reference at(size_type pos);
+
+#include <string>
+#include <stdexcept>
+#include <cassert>
+
+#include "min_allocator.h"
+
+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);
+    }
+#if __cplusplus >= 201103L
+    {
+    typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
+    test(S(), 0);
+    test(S("123"), 0);
+    test(S("123"), 1);
+    test(S("123"), 2);
+    test(S("123"), 3);
+    }
+#endif
+}
-- 
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