mdw@git.distorted.org.uk Git - mLib/blob - struct/t/da-test.c

   1 /* -*-c-*-
   2  *
   3  * Test driver for darray.
   4  */
   5
   6 #include <assert.h>
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9 #include <string.h>
  10
  11 #include "darray.h"
  12 #include "exc.h"
  13
  14 DA_DECL(vec, int);
  15
  16 #ifdef notdef
  17
  18 static void dump(vec *v)
  19 {
  20   printf("# len = %lu, sz = %lu, off = %lu; push = %u, unshift = %u\n",
  21          (unsigned long)v->b.len,
  22          (unsigned long)v->b.sz,
  23          (unsigned long)v->b.off,
  24          v->b.push, v->b.unshift);
  25   printf("# {");
  26   if (DA_LEN(v)) {
  27     size_t i;
  28     printf(" %i", DA(v)[0]);
  29     for (i = 1; i < DA_LEN(v); i++)
  30       printf(", %i", DA(v)[i]);
  31   }
  32   puts(" }");
  33   assert(v->b.sz + v->b.off == 128);
  34 }
  35
  36 #endif
  37
  38 int main(void)
  39 {
  40   char buf[1024];
  41   char *p;
  42   vec v = DA_INIT;
  43
  44 /*   setvbuf(stdout, 0, _IOLBF, BUFSIZ); */
  45
  46   while (fgets(buf, sizeof(buf), stdin)) {
  47     buf[strlen(buf) - 1] = 0;
  48 /*     printf("# %s\n", buf); */
  49     p = strtok(buf, " ");
  50
  51     TRY {
  52       if (strcmp(p, "push") == 0) {
  53         int n = atoi(strtok(0, " "));
  54         DA_PUSH(&v, n);
  55       } else if (strcmp(p, "unshift") == 0) {
  56         int n = atoi(strtok(0, " "));
  57         DA_UNSHIFT(&v, n);
  58       } else if (strcmp(p, "pop") == 0) {
  59         printf("%i\n", DA_POP(&v));
  60       } else if (strcmp(p, "shift") == 0) {
  61         printf("%i\n", DA_SHIFT(&v));
  62       } else if (strcmp(p, "insert") == 0 ||
  63                  strcmp(p, "append") == 0) {
  64         vec vv;
  65         char *q = p;
  66         DA_CREATE(&vv);
  67 /*      putchar('#'); */
  68         while ((p = strtok(0, " ")) != 0) {
  69           int n = atoi(p);
  70           DA_PUSH(&vv, n);
  71         }
  72         if (strcmp(q, "insert") == 0) {
  73           DA_SHUNT(&v, DA_LEN(&vv));
  74           DA_SLIDE(&v, DA_LEN(&vv));
  75           memcpy(DA(&v), DA(&vv), DA_LEN(&vv) * sizeof(int));
  76         } else {
  77           size_t l = DA_LEN(&v);
  78           DA_ENSURE(&v, DA_LEN(&vv));
  79           DA_EXTEND(&v, DA_LEN(&vv));
  80           memcpy(DA(&v) + l, DA(&vv), DA_LEN(&vv) * sizeof(int));
  81         }
  82         DA_DESTROY(&vv);
  83       } else if (strcmp(p, "delete") == 0) {
  84         int n = atoi(strtok(0, " "));
  85         DA_UNSLIDE(&v, n);
  86       } else if (strcmp(p, "reduce") == 0) {
  87         int n = atoi(strtok(0, " "));
  88         DA_SHRINK(&v, n);
  89       } else if (strcmp(p, "set") == 0) {
  90         size_t i = atoi(strtok(0, " "));
  91         int n = atoi(strtok(0, " "));
  92         size_t l = DA_LEN(&v);
  93         DA_INCLUDE(&v, i);
  94         if (i >= l) {
  95           size_t j;
  96           for (j = l; j < i; j++)
  97             DA(&v)[j] = -1;
  98         }
  99         DA(&v)[i] = n;
 100       } else if (strcmp(p, "get") == 0) {
 101         size_t i = atoi(strtok(0, " "));
 102         if (i >= DA_LEN(&v))
 103           puts("*RANGE*");
 104         else
 105           printf("%i\n", DA(&v)[i]);
 106       } else if (strcmp(p, "first") == 0) {
 107         if (DA_LEN(&v))
 108           printf("%i\n", DA_FIRST(&v));
 109         else
 110           puts("*RANGE*");
 111       } else if (strcmp(p, "last") == 0) {
 112         if (DA_LEN(&v))
 113           printf("%i\n", DA_LAST(&v));
 114         else
 115           puts("*RANGE*");
 116       } else if (strcmp(p, "show") == 0) {
 117         if (DA_LEN(&v) == 0)
 118           puts("*EMPTY*");
 119         else {
 120           size_t i;
 121           printf("%i", DA(&v)[0]);
 122           for (i = 1; i < DA_LEN(&v); i++)
 123             printf(" %i", DA(&v)[i]);
 124           putchar('\n');
 125         }
 126       } else
 127         puts("*BAD*");
 128     } CATCH switch (exc_type) {
 129       case DAEXC_UFLOW:
 130         puts("*UFLOW*");
 131         break;
 132       case DAEXC_OFLOW:
 133         puts("*OFLOW*");
 134         break;
 135       case EXC_NOMEM:
 136         puts("*NOMEM*");
 137         break;
 138       default:
 139         puts("*UNKNOWN-EXCEPTION*");
 140         break;
 141     } END_TRY;
 142 /*     dump(&v); */
 143   }
 144
 145   DA_DESTROY(&v);
 146   return (0);
 147 }