cc65/test/ref/switch2.c

/*
  !!DESCRIPTION!! switch test
  !!ORIGIN!!
  !!LICENCE!!     public domain
*/

/*#define STANDALONE*/

#include <stdio.h>

void testlimits(int i) {
        printf("%d:",i);

        switch(i) {
                case -1:        /* works */
                /* case 0xffff: */ /* 'range error' (-1) */

                        printf("-1\n");
                        break;
                /* max int */

/*               case 0x7fff:   */         /* works */
                case 32767:                /* works */
                /* case 32768: */          /* 'range error' (correct for that one!) */

                        printf("max\n");
                        break;
                /* min int */

                case -32768:               /* 'warning. constant is long' */
                /* case 0x8000: */             /* 'range error' */
                /* case -32769: */         /* 'range error' (correct for that one!) */
                        printf("min\n");
                        break;
        }
        printf("\n");
}

void testdefault1(unsigned char i) {

        signed char k;

        for(;i<254;) {
                k = i;
                printf(">%d\n",i);i++;
                switch(k) {
                case 1:
                        break;
                case 2:
                        break;
                case 3:
                        break;
                case 4:
                        break;
                case 5:
                        break;
                case 6:
                        break;
                case 7:
                        break;
                case 8:
                        break;
                case 9:
                        break;
                case 10:
                        break;
                case 11:
                        break;
                case 12:
                        break;
                case 13:
                        break;
                case 14:
                        break;
                case 15:
                        break;
                case 17:
                        break;
                /* triggers bug ? */
                /* gcc warning: case label value exceeds maximum value for type */
                /* cc65 error: range error */

                /*
                case 170:
                        break;
                */
                case 18:
                        break;
                case 19:
                        break;
                case 20:
                        break;
                case 21:
                        break;
                case 22:
                        break;
                case 23:
                        break;
                case 24:
                        switch(k) {
                                case 1:
                                        break;
                                case 2:
                                        break;
                                case 3:
                                        break;
                                case 4:
                                case 5:
                                break;
                                case 6:
                                case 7:
                                        break;
                                case 8:
                                case 9:
                                        break;
                                }
                        break;
                case 100:
                        break;
                default:
                        printf(">>>default\n");
                        /* triggers bug if this break; is missing? */
                        /* break; */
                }
        }
}

void testdefault2(unsigned char i) {

        unsigned char k;

        for(;i<254;) {
                k = i;
                printf(">%d\n",i);i++;
                switch(k) {
                case 1:
                        break;
                case 2:
                        break;
                case 3:
                        break;
                case 4:
                        break;
                case 5:
                        break;
                case 6:
                        break;
                case 7:
                        break;
                case 8:
                        break;
                case 9:
                        break;
                case 10:
                        break;
                case 11:
                        break;
                case 12:
                        break;
                case 13:
                        break;
                case 14:
                        break;
                case 15:
                        break;
                case 17:
                        break;
                /* triggers bug ? */

                case 170:
                        break;
                
                case 18:
                        break;
                case 19:
                        break;
                case 20:
                        break;
                case 21:
                        break;
                case 22:
                        break;
                case 23:
                        break;
                case 24:
                        switch(k) {
                                case 1:
                                        break;
                                case 2:
                                        break;
                                case 3:
                                        break;
                                case 4:
                                case 5:
                                break;
                                case 6:
                                case 7:
                                        break;
                                case 8:
                                case 9:
                                        break;
                                }
                        break;
                case 100:
                        break;
                default:
                        printf(">>>default\n");
                        /* triggers bug if this break; is missing? */
                        /* break; */
                }
        }
}

int main(void) {
        testlimits(32767);
        testlimits(-32768);
        testlimits(-1);
        
        testdefault1(1);
        testdefault1(2);
        testdefault1(3);
        testdefault1(4);
        
        testdefault2(1);
        testdefault2(2);
        testdefault2(3);
        testdefault2(4);

        return 0;
}