180 lines
3.8 KiB
C++
180 lines
3.8 KiB
C++
// Copyright (C) 2009-2020 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// { dg-require-effective-target dfp }
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// ISO/IEC TR 24733 3.2.2.5 Increment and decrement operators (decimal32).
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// ISO/IEC TR 24733 3.2.3.5 Increment and decrement operators (decimal64).
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// ISO/IEC TR 24733 3.2.4.5 Increment and decrement operators (decimal128).
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#include <decimal/decimal>
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#include <testsuite_hooks.h>
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// Use extension to replace implicit long long conversion with function call.
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#define LONGLONG(X) decimal_to_long_long(X)
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using namespace std::decimal;
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void
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incdec32 (void)
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{
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int ival;
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decimal32 a(11), b, c;
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// Verify that we get the expected value of b after assignment.
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b = a;
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ival = LONGLONG (b); VERIFY (ival == 11);
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// Check that the increment and decrement operators change the value
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// of the original class.
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b = a;
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++b;
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ival = LONGLONG (b); VERIFY (ival == 12);
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b = a;
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b++;
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ival = LONGLONG (b); VERIFY (ival == 12);
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b = a;
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--b;
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ival = LONGLONG (b); VERIFY (ival == 10);
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b = a;
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b--;
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ival = LONGLONG (b); VERIFY (ival == 10);
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// Check that the increment and decrement operators return the
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// correct value.
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b = a;
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c = ++b;
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ival = LONGLONG (c); VERIFY (ival == 12);
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b = a;
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c = b++;
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ival = LONGLONG (c); VERIFY (ival == 11);
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b = a;
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c = --b;
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ival = LONGLONG (c); VERIFY (ival == 10);
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b = a;
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c = b--;
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ival = LONGLONG (c); VERIFY (ival == 11);
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}
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void
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incdec64 (void)
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{
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int ival;
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decimal64 a(11), b, c;
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// Verify that we get the expected value of b after assignment.
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b = a;
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ival = LONGLONG (b); VERIFY (ival == 11);
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// Check that the increment and decrement operators change the value
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// of the original class.
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b = a;
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++b;
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ival = LONGLONG (b); VERIFY (ival == 12);
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b = a;
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b++;
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ival = LONGLONG (b); VERIFY (ival == 12);
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b = a;
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--b;
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ival = LONGLONG (b); VERIFY (ival == 10);
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b = a;
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b--;
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ival = LONGLONG (b); VERIFY (ival == 10);
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// Check that the increment and decrement operators return the
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// correct value.
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b = a;
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c = ++b;
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ival = LONGLONG (c); VERIFY (ival == 12);
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b = a;
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c = b++;
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ival = LONGLONG (c); VERIFY (ival == 11);
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b = a;
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c = --b;
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ival = LONGLONG (c); VERIFY (ival == 10);
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b = a;
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c = b--;
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ival = LONGLONG (c); VERIFY (ival == 11);
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}
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void
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incdec128 (void)
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{
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int ival;
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decimal128 a(11), b, c;
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// Verify that we get the expected value of b after assignment.
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b = a;
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ival = LONGLONG (b); VERIFY (ival == 11);
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// Check that the increment and decrement operators change the value
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// of the original class.
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b = a;
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++b;
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ival = LONGLONG (b); VERIFY (ival == 12);
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b = a;
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b++;
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ival = LONGLONG (b); VERIFY (ival == 12);
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b = a;
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--b;
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ival = LONGLONG (b); VERIFY (ival == 10);
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b = a;
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b--;
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ival = LONGLONG (b); VERIFY (ival == 10);
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// Check that the increment and decrement operators return the
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// correct value.
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b = a;
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c = ++b;
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ival = LONGLONG (c); VERIFY (ival == 12);
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b = a;
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c = b++;
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ival = LONGLONG (c); VERIFY (ival == 11);
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b = a;
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c = --b;
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ival = LONGLONG (c); VERIFY (ival == 10);
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b = a;
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c = b--;
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ival = LONGLONG (c); VERIFY (ival == 11);
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}
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int
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main ()
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{
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incdec32 ();
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incdec64 ();
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incdec128 ();
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}
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