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/string.conversions/to_wstring.pass.cpp | 126 +++++++++++++++++++++
 1 file changed, 126 insertions(+)
 create mode 100644 test/std/strings/string.conversions/to_wstring.pass.cpp

(limited to 'test/std/strings/string.conversions/to_wstring.pass.cpp')

diff --git a/test/std/strings/string.conversions/to_wstring.pass.cpp b/test/std/strings/string.conversions/to_wstring.pass.cpp
new file mode 100644
index 000000000000..281aa1a5e79b
--- /dev/null
+++ b/test/std/strings/string.conversions/to_wstring.pass.cpp
@@ -0,0 +1,126 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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>
+
+// wstring to_wstring(int val);
+// wstring to_wstring(unsigned val);
+// wstring to_wstring(long val);
+// wstring to_wstring(unsigned long val);
+// wstring to_wstring(long long val);
+// wstring to_wstring(unsigned long long val);
+// wstring to_wstring(float val);
+// wstring to_wstring(double val);
+// wstring to_wstring(long double val);
+
+#include <string>
+#include <cassert>
+#include <sstream>
+
+template <class T>
+void
+test_signed()
+{
+    {
+        std::wstring s = std::to_wstring(T(0));
+        assert(s.size() == 1);
+        assert(s[s.size()] == 0);
+        assert(s == L"0");
+    }
+    {
+        std::wstring s = std::to_wstring(T(12345));
+        assert(s.size() == 5);
+        assert(s[s.size()] == 0);
+        assert(s == L"12345");
+    }
+    {
+        std::wstring s = std::to_wstring(T(-12345));
+        assert(s.size() == 6);
+        assert(s[s.size()] == 0);
+        assert(s == L"-12345");
+    }
+    {
+        std::wstring s = std::to_wstring(std::numeric_limits<T>::max());
+        assert(s.size() == std::numeric_limits<T>::digits10 + 1);
+        std::wistringstream is(s);
+        T t(0);
+        is >> t;
+        assert(t == std::numeric_limits<T>::max());
+    }
+    {
+        std::wstring s = std::to_wstring(std::numeric_limits<T>::min());
+        std::wistringstream is(s);
+        T t(0);
+        is >> t;
+        assert(t == std::numeric_limits<T>::min());
+    }
+}
+
+template <class T>
+void
+test_unsigned()
+{
+    {
+        std::wstring s = std::to_wstring(T(0));
+        assert(s.size() == 1);
+        assert(s[s.size()] == 0);
+        assert(s == L"0");
+    }
+    {
+        std::wstring s = std::to_wstring(T(12345));
+        assert(s.size() == 5);
+        assert(s[s.size()] == 0);
+        assert(s == L"12345");
+    }
+    {
+        std::wstring s = std::to_wstring(std::numeric_limits<T>::max());
+        assert(s.size() == std::numeric_limits<T>::digits10 + 1);
+        std::wistringstream is(s);
+        T t(0);
+        is >> t;
+        assert(t == std::numeric_limits<T>::max());
+    }
+}
+
+template <class T>
+void
+test_float()
+{
+    {
+        std::wstring s = std::to_wstring(T(0));
+        assert(s.size() == 8);
+        assert(s[s.size()] == 0);
+        assert(s == L"0.000000");
+    }
+    {
+        std::wstring s = std::to_wstring(T(12345));
+        assert(s.size() == 12);
+        assert(s[s.size()] == 0);
+        assert(s == L"12345.000000");
+    }
+    {
+        std::wstring s = std::to_wstring(T(-12345));
+        assert(s.size() == 13);
+        assert(s[s.size()] == 0);
+        assert(s == L"-12345.000000");
+    }
+}
+
+int main()
+{
+    test_signed<int>();
+    test_signed<long>();
+    test_signed<long long>();
+    test_unsigned<unsigned>();
+    test_unsigned<unsigned long>();
+    test_unsigned<unsigned long long>();
+    test_float<float>();
+    test_float<double>();
+    test_float<long double>();
+}
-- 
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