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// Copyright (C) 2009-2015 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 3.2.2.5 Increment and decrement operators (decimal32).
// ISO/IEC TR 24733 3.2.3.5 Increment and decrement operators (decimal64).
// ISO/IEC TR 24733 3.2.4.5 Increment and decrement operators (decimal128).
#include <decimal/decimal>
#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
incdec32 (void)
{
bool test __attribute__((unused)) = true;
int ival;
decimal32 a(11), b, c;
// Verify that we get the expected value of b after assignment.
b = a;
ival = LONGLONG (b); VERIFY (ival == 11);
// Check that the increment and decrement operators change the value
// of the original class.
b = a;
++b;
ival = LONGLONG (b); VERIFY (ival == 12);
b = a;
b++;
ival = LONGLONG (b); VERIFY (ival == 12);
b = a;
--b;
ival = LONGLONG (b); VERIFY (ival == 10);
b = a;
b--;
ival = LONGLONG (b); VERIFY (ival == 10);
// Check that the increment and decrement operators return the
// correct value.
b = a;
c = ++b;
ival = LONGLONG (c); VERIFY (ival == 12);
b = a;
c = b++;
ival = LONGLONG (c); VERIFY (ival == 11);
b = a;
c = --b;
ival = LONGLONG (c); VERIFY (ival == 10);
b = a;
c = b--;
ival = LONGLONG (c); VERIFY (ival == 11);
}
void
incdec64 (void)
{
bool test __attribute__((unused)) = true;
int ival;
decimal64 a(11), b, c;
// Verify that we get the expected value of b after assignment.
b = a;
ival = LONGLONG (b); VERIFY (ival == 11);
// Check that the increment and decrement operators change the value
// of the original class.
b = a;
++b;
ival = LONGLONG (b); VERIFY (ival == 12);
b = a;
b++;
ival = LONGLONG (b); VERIFY (ival == 12);
b = a;
--b;
ival = LONGLONG (b); VERIFY (ival == 10);
b = a;
b--;
ival = LONGLONG (b); VERIFY (ival == 10);
// Check that the increment and decrement operators return the
// correct value.
b = a;
c = ++b;
ival = LONGLONG (c); VERIFY (ival == 12);
b = a;
c = b++;
ival = LONGLONG (c); VERIFY (ival == 11);
b = a;
c = --b;
ival = LONGLONG (c); VERIFY (ival == 10);
b = a;
c = b--;
ival = LONGLONG (c); VERIFY (ival == 11);
}
void
incdec128 (void)
{
bool test __attribute__((unused)) = true;
int ival;
decimal128 a(11), b, c;
// Verify that we get the expected value of b after assignment.
b = a;
ival = LONGLONG (b); VERIFY (ival == 11);
// Check that the increment and decrement operators change the value
// of the original class.
b = a;
++b;
ival = LONGLONG (b); VERIFY (ival == 12);
b = a;
b++;
ival = LONGLONG (b); VERIFY (ival == 12);
b = a;
--b;
ival = LONGLONG (b); VERIFY (ival == 10);
b = a;
b--;
ival = LONGLONG (b); VERIFY (ival == 10);
// Check that the increment and decrement operators return the
// correct value.
b = a;
c = ++b;
ival = LONGLONG (c); VERIFY (ival == 12);
b = a;
c = b++;
ival = LONGLONG (c); VERIFY (ival == 11);
b = a;
c = --b;
ival = LONGLONG (c); VERIFY (ival == 10);
b = a;
c = b--;
ival = LONGLONG (c); VERIFY (ival == 11);
}
int
main ()
{
incdec32 ();
incdec64 ();
incdec128 ();
}
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