1 files changed, 85 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/decimal/conversion-to-integral.cc b/libstdc++-v3/testsuite/decimal/conversion-to-integral.cc
new file mode 100644
index 000000000..9322c1bc7
--- /dev/null
+++ b/libstdc++-v3/testsuite/decimal/conversion-to-integral.cc
@@ -0,0 +1,85 @@
+// Copyright (C) 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/>.
+
+// { dg-require-effective-target dfp }
+
+// ISO/IEC TR 24733  3.2.2.4  Conversion to integral type (decimal32).
+// ISO/IEC TR 24733  3.2.3.4  Conversion to integral type (decimal64).
+// ISO/IEC TR 24733  3.2.4.4  Conversion to integral type (decimal128).
+
+#include <decimal/decimal>
+#include <climits>
+#include <cstdio>
+#include <testsuite_hooks.h>
+
+// Use extension to replace implicit long long conversion with function call.
+#define LONGLONG(X) decimal_to_long_long(X)
+
+using namespace std::decimal;
+
+void
+conversion_to_integral_32 (void)
+{
+  #undef MAXVAL
+  #define MAXVAL 999999LL
+  decimal32 a, b (1), c (-1), d (MAXVAL), e (-MAXVAL);
+  long long ll;
+
+  ll = LONGLONG (a); VERIFY (ll == 0LL);
+  ll = LONGLONG (b); VERIFY (ll == 1LL);
+  ll = LONGLONG (c); VERIFY (ll == -1LL);
+  ll = LONGLONG (d); VERIFY (ll == MAXVAL);
+  ll = LONGLONG (e); VERIFY (ll == -MAXVAL);
+}
+
+void
+conversion_to_integral_64 (void)
+{
+  #undef MAXVAL
+  #define MAXVAL 999999999999999LL
+  decimal64 a, b (1), c (-1), d (MAXVAL), e (-MAXVAL);
+  long long ll;
+
+  ll = LONGLONG (a); VERIFY (ll == 0LL);
+  ll = LONGLONG (b); VERIFY (ll == 1LL);
+  ll = LONGLONG (c); VERIFY (ll == -1LL);
+  ll = LONGLONG (d); VERIFY (ll == MAXVAL);
+  ll = LONGLONG (e); VERIFY (ll == -MAXVAL);
+}
+
+void
+conversion_to_integral_128 (void)
+{
+  #undef MAXVAL
+  #define MAXVAL LONG_LONG_MAX
+  decimal128 a, b (1), c (-1), d (MAXVAL), e (-MAXVAL);
+  long long ll;
+
+  ll = LONGLONG (a); VERIFY (ll == 0LL);
+  ll = LONGLONG (b); VERIFY (ll == 1LL);
+  ll = LONGLONG (c); VERIFY (ll == -1LL);
+  ll = LONGLONG (d); VERIFY (ll == MAXVAL);
+  ll = LONGLONG (e); VERIFY (ll == -MAXVAL);
+}
+
+int
+main ()
+{
+  conversion_to_integral_32 ();
+  conversion_to_integral_64 ();
+  conversion_to_integral_128 ();
+}