bslathi19/cc65
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Compare operator test suite: forward and reverse compares; edge and corner cases; literals, autos, statics, simple expressions; signed and unsigned; some special cases.

Browse Source
This commit is contained in:
Alex Volkov
2026-03-09 20:04:59 -04:00
parent d45fac3afe
commit 76d71aec92
16 changed files with 3906 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

243
test/val/compare-rev42.c Normal file
View File

@@ -0,0 +1,243 @@
/* Exercise compare operator edge cases in forward and reverse forms;
** unsigned int: autos, signed statics.
** Note: will cause some compiler warnings:
** -- Result of comparison is constant
**
** License: Public Domain
**
** This software is provided 'as-is', without any express or implied warranty.
** In no event will the authors be held liable for any damages arising from
** the use of this software.
*/
#include <stdio.h>
#include <stdlib.h>
#define TEST_NAME "compare-rev42"
#include "compare-rev.h"
static int stat_i_m1 = -1;
static int stat_i_0 = 0;
static int stat_i_1 = 1;
static int stat_i_255 = 255;
static int stat_i_256 = 256;
static int stat_i_257 = 257;
static int stat_i_32767 = 32767;
static unsigned stat_u_32768 = 32768U;
static unsigned stat_u_65535 = 65535U;
/* Compared values are signed int statics, with some exceptions */
#define N1 stat_i_m1
#define ZERO stat_i_0
#define P1 stat_i_1
#define P255 stat_i_255
#define P256 stat_i_256
#define P257 stat_i_257
#define P32767 stat_i_32767
#define P32768 stat_u_32768
#define P65535 stat_u_65535
/* unsigned int to signed int statics compares */
static void uint_loc_to_sstat_11(void)
{
unsigned int v;
v = 0U;
marker = 0x1100; /* +8 for each macro */
MUST_BE_EQUAL(v, ZERO);
MUST_BE_LESS_THAN(v, P1);
MUST_BE_LESS_THAN(v, P255);
MUST_BE_LESS_THAN(v, P256);
MUST_BE_LESS_THAN(v, P257);
MUST_BE_LESS_THAN(v, P32767);
MUST_BE_LESS_THAN(v, P32768);
MUST_BE_LESS_THAN(v, P65535);
MUST_BE_LESS_THAN(v, N1); /* special case: -1 to uint promotion */
}
static void uint_loc_to_sstat_13(void)
{
unsigned int v;
v = 1U;
marker = 0x1300; /* +8 for each macro */
MUST_BE_GREATER_THAN(v, ZERO);
MUST_BE_EQUAL(v, P1);
MUST_BE_LESS_THAN(v, P255);
MUST_BE_LESS_THAN(v, P256);
MUST_BE_LESS_THAN(v, P257);
MUST_BE_LESS_THAN(v, P32767);
MUST_BE_LESS_THAN(v, P32768);
MUST_BE_LESS_THAN(v, P65535);
MUST_BE_LESS_THAN(v, N1); /* special case: -1 to uint promotion */
}
static void uint_loc_to_sstat_15(void)
{
unsigned int v;
v = 2U;
marker = 0x1500; /* +8 for each macro */
MUST_BE_GREATER_THAN(v, ZERO);
MUST_BE_GREATER_THAN(v, P1);
MUST_BE_LESS_THAN(v, P255);
MUST_BE_LESS_THAN(v, P256);
MUST_BE_LESS_THAN(v, P257);
MUST_BE_LESS_THAN(v, P32767);
MUST_BE_LESS_THAN(v, P32768);
MUST_BE_LESS_THAN(v, P65535);
MUST_BE_LESS_THAN(v, N1); /* special case: -1 to uint promotion */
}
static void uint_loc_to_sstat_17(void)
{
unsigned int v;
v = 255U;
marker = 0x1700; /* +8 for each macro */
MUST_BE_GREATER_THAN(v, ZERO);
MUST_BE_GREATER_THAN(v, P1);
MUST_BE_EQUAL(v, P255);
MUST_BE_LESS_THAN(v, P256);
MUST_BE_LESS_THAN(v, P257);
MUST_BE_LESS_THAN(v, P32767);
MUST_BE_LESS_THAN(v, P32768);
MUST_BE_LESS_THAN(v, P65535);
MUST_BE_LESS_THAN(v, N1); /* special case: -1 to uint promotion */
}
static void uint_loc_to_sstat_19(void)
{
unsigned int v;
v = 256U;
marker = 0x1900; /* +8 for each macro */
MUST_BE_GREATER_THAN(v, ZERO);
MUST_BE_GREATER_THAN(v, P1);
MUST_BE_GREATER_THAN(v, P255);
MUST_BE_EQUAL(v, P256);
MUST_BE_LESS_THAN(v, P257);
MUST_BE_LESS_THAN(v, P32767);
MUST_BE_LESS_THAN(v, P32768);
MUST_BE_LESS_THAN(v, P65535);
MUST_BE_LESS_THAN(v, N1); /* special case: -1 to uint promotion */
}
static void uint_loc_to_sstat_1B(void)
{
unsigned int v;
v = 257U;
marker = 0x1B00; /* +8 for each macro */
MUST_BE_GREATER_THAN(v, ZERO);
MUST_BE_GREATER_THAN(v, P1);
MUST_BE_GREATER_THAN(v, P255);
MUST_BE_GREATER_THAN(v, P256);
MUST_BE_EQUAL(v, P257);
MUST_BE_LESS_THAN(v, P32767);
MUST_BE_LESS_THAN(v, P32768);
MUST_BE_LESS_THAN(v, P65535);
MUST_BE_LESS_THAN(v, N1); /* special case: -1 to uint promotion */
}
static void uint_loc_to_sstat_1D(void)
{
unsigned int v;
v = 32767U;
marker = 0x1D00; /* +8 for each macro */
MUST_BE_GREATER_THAN(v, ZERO);
MUST_BE_GREATER_THAN(v, P1);
MUST_BE_GREATER_THAN(v, P255);
MUST_BE_GREATER_THAN(v, P256);
MUST_BE_GREATER_THAN(v, P257);
MUST_BE_EQUAL(v, P32767);
MUST_BE_LESS_THAN(v, P32768);
MUST_BE_LESS_THAN(v, P65535);
MUST_BE_LESS_THAN(v, N1); /* special case: -1 to uint promotion */
}
static void uint_loc_to_sstat_1F(void)
{
unsigned int v;
v = 32768U;
marker = 0x1F00; /* +8 for each macro */
MUST_BE_GREATER_THAN(v, ZERO);
MUST_BE_GREATER_THAN(v, P1);
MUST_BE_GREATER_THAN(v, P255);
MUST_BE_GREATER_THAN(v, P256);
MUST_BE_GREATER_THAN(v, P257);
MUST_BE_GREATER_THAN(v, P32767);
MUST_BE_EQUAL(v, P32768);
MUST_BE_LESS_THAN(v, P65535);
MUST_BE_LESS_THAN(v, N1); /* special case: -1 to uint promotion */
}
static void uint_loc_to_sstat_21(void)
{
unsigned int v;
v = 65534U;
marker = 0x2100; /* +8 for each macro */
MUST_BE_GREATER_THAN(v, ZERO);
MUST_BE_GREATER_THAN(v, P1);
MUST_BE_GREATER_THAN(v, P255);
MUST_BE_GREATER_THAN(v, P256);
MUST_BE_GREATER_THAN(v, P257);
MUST_BE_GREATER_THAN(v, P32767);
MUST_BE_GREATER_THAN(v, P32768);
MUST_BE_LESS_THAN(v, P65535);
MUST_BE_LESS_THAN(v, N1); /* special case: -1 to uint promotion */
}
static void uint_loc_to_sstat_23(void)
{
unsigned int v;
v = 65535U;
marker = 0x2300; /* +8 for each macro */
MUST_BE_GREATER_THAN(v, ZERO);
MUST_BE_GREATER_THAN(v, P1);
MUST_BE_GREATER_THAN(v, P255);
MUST_BE_GREATER_THAN(v, P256);
MUST_BE_GREATER_THAN(v, P257);
MUST_BE_GREATER_THAN(v, P32767);
MUST_BE_GREATER_THAN(v, P32768);
MUST_BE_EQUAL(v, P65535);
if (sizeof(v) == 2) {
MUST_BE_EQUAL(v, N1); /* special case: -1 to uint promotion */
}
}
int main(void)
{
marker = 0x01;
uint_loc_to_sstat_11();
uint_loc_to_sstat_13();
uint_loc_to_sstat_15();
uint_loc_to_sstat_17();
uint_loc_to_sstat_19();
uint_loc_to_sstat_1B();
uint_loc_to_sstat_1D();
uint_loc_to_sstat_1F();
uint_loc_to_sstat_21();
uint_loc_to_sstat_23();
printf(TEST_NAME " failures: %d\n", failures);
return failures ? EXIT_FAILURE : EXIT_SUCCESS;
}