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[mLib] / bits.c
1 /* -*-c-*-
2  *
3  * $Id: bits.c,v 1.4 2004/04/08 01:36:11 mdw Exp $
4  *
5  * Test rig for bits header
6  *
7  * (c) 2000 Straylight/Edgeware
8  */
9
10 /*----- Licensing notice --------------------------------------------------* 
11  *
12  * This file is part of the mLib utilities library.
13  *
14  * mLib is free software; you can redistribute it and/or modify
15  * it under the terms of the GNU Library General Public License as
16  * published by the Free Software Foundation; either version 2 of the
17  * License, or (at your option) any later version.
18  * 
19  * mLib is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
22  * GNU Library General Public License for more details.
23  * 
24  * You should have received a copy of the GNU Library General Public
25  * License along with mLib; if not, write to the Free
26  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
27  * MA 02111-1307, USA.
28  */
29
30 /*----- Header files ------------------------------------------------------*/
31
32 #include "bits.h"
33 #include "testrig.h"
34
35 /*----- Main code ---------------------------------------------------------*/
36
37 #define TSHIFT(OP)                                                      \
38                                                                         \
39 static int t##OP(dstr *v)                                               \
40 {                                                                       \
41   kludge64 x, xx, y;                                                    \
42   unsigned s = *(unsigned *)v[1].buf;                                   \
43   int ok = 1;                                                           \
44                                                                         \
45   LOAD64_(x, v[0].buf);                                                 \
46   LOAD64_(xx, v[2].buf);                                                \
47   y = x;                                                                \
48   OP##64_(y, y, s);                                                     \
49   if (CMP64(y, !=, xx)) {                                               \
50     ok = 0;                                                             \
51     fprintf(stderr,                                                     \
52             "\nbad: %08x:%08x " #OP " %u != %08x:%08x [%08x:%08x]\n",   \
53             HI64(x), LO64(x), s, HI64(y), LO64(y), HI64(xx), LO64(xx)); \
54   }                                                                     \
55   return (ok);                                                          \
56 }
57
58 #define TARITH(OP)                                                      \
59                                                                         \
60 static int t##OP(dstr *v)                                               \
61 {                                                                       \
62   kludge64 x, y, xx, yy;                                                \
63   int ok = 1;                                                           \
64                                                                         \
65   LOAD64_(x, v[0].buf);                                                 \
66   LOAD64_(y, v[1].buf);                                                 \
67   LOAD64_(xx, v[2].buf);                                                \
68   yy = x;                                                               \
69   OP##64(yy, yy, y);                                                    \
70   if (CMP64(yy, !=, xx)) {                                              \
71     ok = 0;                                                             \
72     fprintf(stderr,                                                     \
73             "\nbad: %08x:%08x " #OP " %08x:%08x != %08x:%08x "          \
74             "[%08x:%08x]\n",                                            \
75             HI64(x), LO64(x), HI64(y), LO64(y),                         \
76             HI64(yy), LO64(yy), HI64(xx), LO64(xx));                    \
77   }                                                                     \
78   return (ok);                                                          \
79 }
80
81 TSHIFT(LSL)
82 TSHIFT(LSR)
83 TSHIFT(ROL)
84 TSHIFT(ROR)
85 TARITH(ADD)
86 TARITH(SUB)
87
88 static test_chunk tests[] = {
89   { "lsl64", tLSL, { &type_hex, &type_int, &type_hex, 0 } },
90   { "lsr64", tLSR, { &type_hex, &type_int, &type_hex, 0 } },
91   { "rol64", tROL, { &type_hex, &type_int, &type_hex, 0 } },
92   { "ror64", tROR, { &type_hex, &type_int, &type_hex, 0 } },
93   { "add64", tADD, { &type_hex, &type_hex, &type_hex, 0 } },
94   { "sub64", tSUB, { &type_hex, &type_hex, &type_hex, 0 } },
95   { 0, 0, { 0 } }
96 };
97
98 int main(int argc, char *argv[])
99 {
100   test_run(argc, argv, tests, SRCDIR "/bits.in");
101   return (0);
102 }
103
104 /*----- That's all, folks -------------------------------------------------*/