[string.conversions]
llvm-svn: 105336
diff --git a/libcxx/test/strings/string.conversions/to_wstring.pass.cpp b/libcxx/test/strings/string.conversions/to_wstring.pass.cpp
new file mode 100644
index 0000000..a96abf2
--- /dev/null
+++ b/libcxx/test/strings/string.conversions/to_wstring.pass.cpp
@@ -0,0 +1,126 @@
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. 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>();
+}