Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 21_strings / basic_string / numeric_conversions / char / stof.cc

diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/numeric_conversions/char/stof.cc b/libstdc++-v3/testsuite/21_strings/basic_string/numeric_conversions/char/stof.cc
new file mode 100644 (file)
index 0000000..6f14bd3
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/numeric_conversions/char/stof.cc
@@ -0,0 +1,137 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-require-string-conversions "" }
+
+// 2008-06-15  Paolo Carlini  <paolo.carlini@oracle.com>
+
+// Copyright (C) 2008, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// 21.4 Numeric Conversions [string.conversions]
+
+#include <string>
+#include <limits>
+#include <stdexcept>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  bool test __attribute__((unused)) = false;
+  using namespace std;
+
+  try
+    {
+      string one;
+      stof(one);      
+    }
+  catch(std::invalid_argument)
+    {
+      test = true;
+    }
+  catch(...)
+    {
+    }
+  VERIFY( test );
+
+  test = false;
+  try
+    {
+      string one("a");
+      stof(one);      
+    }
+  catch(std::invalid_argument)
+    {
+      test = true;
+    }
+  catch(...)
+    {
+    }
+  VERIFY( test );
+
+  float f1 = 0.0f;
+  size_t idx1 = 0;
+  try
+    {
+      string one("2.0a");
+      f1 = stof(one, &idx1);      
+    }
+  catch(...)
+    {
+      test = false;
+    }
+  VERIFY( test );
+  VERIFY( f1 == 2.0f );
+  VERIFY( idx1 == 3 );
+
+  test = false;
+  try
+    {
+      string one("1e");
+      one.append(2 * numeric_limits<float>::max_exponent10, '9');
+      f1 = stof(one);
+    }
+  catch(std::out_of_range)
+    {
+      test = true;
+    }
+  catch(...)
+    {
+    }
+  VERIFY( test );
+  VERIFY( f1 == 2.0f );
+
+  try
+    {
+      long double ld0 = numeric_limits<float>::max() / 100.0;
+      string one(to_string(ld0));
+      stof(one);
+    }
+  catch(...)
+    {
+      test = false;
+    }
+  VERIFY( test );
+
+  if ((numeric_limits<long double>::max() / 10000.0L)
+      > numeric_limits<float>::max())
+    {
+      test = false;
+      f1 = -1.0f;
+      try
+       {
+         long double ld1 = numeric_limits<float>::max();
+         ld1 *= 100.0;
+         string one(to_string(ld1));
+         f1 = stof(one);
+       }
+      catch(std::out_of_range)
+       {
+         test = true;
+       }
+      catch(...)
+       {
+       }
+      VERIFY( test );
+      VERIFY( f1 == -1.0f );
+    }
+}
+
+int main()
+{
+  test01();
+  return 0;
+}