| // Copyright (C) 2009-2013 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). |
| |
| // Access member functions directly. |
| |
| #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.operator++(); |
| ival = LONGLONG (b); VERIFY (ival == 12); |
| |
| b = a; |
| b.operator++(1); |
| ival = LONGLONG (b); VERIFY (ival == 12); |
| |
| b = a; |
| b.operator--(); |
| ival = LONGLONG (b); VERIFY (ival == 10); |
| |
| b = a; |
| b.operator--(1); |
| ival = LONGLONG (b); VERIFY (ival == 10); |
| |
| // Check that the increment and decrement operators return the |
| // correct value. |
| b = a; |
| c = b.operator++(); |
| ival = LONGLONG (c); VERIFY (ival == 12); |
| |
| b = a; |
| c = b.operator++(1); |
| ival = LONGLONG (c); VERIFY (ival == 11); |
| |
| b = a; |
| c = b.operator--(); |
| ival = LONGLONG (c); VERIFY (ival == 10); |
| |
| b = a; |
| c = b.operator--(1); |
| 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.operator++(); |
| ival = LONGLONG (b); VERIFY (ival == 12); |
| |
| b = a; |
| b.operator++(1); |
| ival = LONGLONG (b); VERIFY (ival == 12); |
| |
| b = a; |
| b.operator--(); |
| ival = LONGLONG (b); VERIFY (ival == 10); |
| |
| b = a; |
| b.operator--(1); |
| ival = LONGLONG (b); VERIFY (ival == 10); |
| |
| // Check that the increment and decrement operators return the |
| // correct value. |
| b = a; |
| c = b.operator++(); |
| ival = LONGLONG (c); VERIFY (ival == 12); |
| |
| b = a; |
| c = b.operator++(1); |
| ival = LONGLONG (c); VERIFY (ival == 11); |
| |
| b = a; |
| c = b.operator--(); |
| ival = LONGLONG (c); VERIFY (ival == 10); |
| |
| b = a; |
| c = b.operator--(1); |
| 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.operator++(); |
| ival = LONGLONG (b); VERIFY (ival == 12); |
| |
| b = a; |
| b.operator++(1); |
| ival = LONGLONG (b); VERIFY (ival == 12); |
| |
| b = a; |
| b.operator--(); |
| ival = LONGLONG (b); VERIFY (ival == 10); |
| |
| b = a; |
| b.operator--(1); |
| ival = LONGLONG (b); VERIFY (ival == 10); |
| |
| // Check that the increment and decrement operators return the |
| // correct value. |
| b = a; |
| c = b.operator++(); |
| ival = LONGLONG (c); VERIFY (ival == 12); |
| |
| b = a; |
| c = b.operator++(1); |
| ival = LONGLONG (c); VERIFY (ival == 11); |
| |
| b = a; |
| c = b.operator--(); |
| ival = LONGLONG (c); VERIFY (ival == 10); |
| |
| b = a; |
| c = b.operator--(1); |
| ival = LONGLONG (c); VERIFY (ival == 11); |
| } |
| |
| int |
| main () |
| { |
| incdec32 (); |
| incdec64 (); |
| incdec128 (); |
| } |