Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 20_util / duration / cons / 1.cc

diff --git a/libstdc++-v3/testsuite/20_util/duration/cons/1.cc b/libstdc++-v3/testsuite/20_util/duration/cons/1.cc
new file mode 100644 (file)
index 0000000..2cd22a4
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/duration/cons/1.cc
@@ -0,0 +1,134 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// Copyright (C) 2008, 2009 Free Software Foundation
+//
+// 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/>.
+
+// 20.8.3 Class template duration [time.duration]
+
+#include <chrono>
+#include <type_traits>
+#include <testsuite_hooks.h>
+
+template<typename T>
+struct type_emulator
+{
+  type_emulator()
+  : i(T(0)) { }
+  
+  type_emulator(T j)
+  : i(j) { }
+  
+  type_emulator(const type_emulator& e)
+  : i(e.i) { }
+
+  type_emulator&
+  operator*=(type_emulator a)
+  {
+    i *= a.i;
+    return *this;
+  }
+  
+  type_emulator&
+  operator+=(type_emulator a)
+  {
+    i += a.i;
+    return *this;
+  }
+    
+  operator T ()
+  { return i; }
+  
+  T i;
+};
+
+template<typename T>
+bool
+operator==(type_emulator<T> a, type_emulator<T> b)
+{ return a.i == b.i; }
+
+template<typename T>
+bool
+operator<(type_emulator<T> a, type_emulator<T> b)
+{ return a.i < b.i; }
+
+template<typename T>
+type_emulator<T>
+operator+(type_emulator<T> a, type_emulator<T> b)
+{ return a += b; }
+
+template<typename T>
+type_emulator<T>
+operator*(type_emulator<T> a, type_emulator<T> b)
+{ return a *= b; }
+
+namespace std
+{
+  template<typename T, typename U>
+  struct common_type<type_emulator<T>, U>
+  { typedef typename common_type<T,U>::type type; };
+
+  template<typename T, typename U>
+  struct common_type<U, type_emulator<T>>
+  { typedef typename common_type<U,T>::type type; };
+
+  template<typename T, typename U>
+  struct common_type<type_emulator<T>, type_emulator<U>>
+  { typedef typename common_type<T,U>::type type; };
+
+  namespace chrono
+  {    
+    template<typename T>
+    struct treat_as_floating_point<type_emulator<T>>
+    : is_floating_point<T>
+    { };
+  }
+}
+
+typedef type_emulator<int> int_emulator;
+typedef type_emulator<double> dbl_emulator;
+
+// 20.8.3.1 duration constructors [time.duration.cons]
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+  using std::chrono::duration;
+  
+  int r = 3;
+  duration<int> d1(r);
+  VERIFY(d1.count() == static_cast<duration<int>::rep>(r));
+  
+  double s = 8.0;
+  duration<double> d2(s);
+  VERIFY(d2.count() == static_cast<duration<double>::rep>(s));
+    
+  int_emulator ie(3);
+  duration<int_emulator> d3(ie);
+  VERIFY(d3.count() == static_cast<duration<int_emulator>::rep>(ie));
+  
+  dbl_emulator de(4.0);
+  duration<dbl_emulator> d4(de);
+  VERIFY(d4.count() == static_cast<duration<dbl_emulator>::rep>(de));
+}
+
+int
+main()
+{
+  test01();
+  return 0;
+}