| /* Copyright (C) 1992-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <stdlib.h> |
| #include <stdio.h> |
| |
| int |
| main (void) |
| { |
| int i1, i2; |
| int j1, j2; |
| |
| /* The C standard says that "If rand is called before any calls to |
| srand have been made, the same sequence shall be generated as |
| when srand is first called with a seed value of 1." */ |
| i1 = rand(); |
| i2 = rand(); |
| srand (1); |
| j1 = rand(); |
| j2 = rand(); |
| if (i1 < 0 || i2 < 0 || j1 < 0 || j2 < 0) { |
| puts ("Test FAILED!"); |
| } |
| if (j1 == i1 && j2 == i2) |
| { |
| puts ("Test succeeded."); |
| return 0; |
| } |
| else |
| { |
| if (j1 != i1) |
| printf ("%d != %d\n", j1, i1); |
| if (j2 != i2) |
| printf ("%d != %d\n", j2, i2); |
| puts ("Test FAILED!"); |
| return 1; |
| } |
| } |