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

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Alex Volkov
2026-03-09 20:04:59 -04:00
parent d45fac3afe
commit 76d71aec92
16 changed files with 3906 additions and 0 deletions
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test/val/compare-rev43.c Normal file
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/* Exercise compare operator edge cases in forward and reverse forms;
** unsigned int: autos, unsigned statics.
**
** 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-rev43"
#include "compare-rev.h"
static unsigned stat_u_0 = 0U;
static unsigned stat_u_1 = 1U;
static unsigned stat_u_255 = 255U;
static unsigned stat_u_256 = 256U;
static unsigned stat_u_257 = 257U;
static unsigned stat_u_32767 = 32767U;
static unsigned stat_u_32768 = 32768U;
static unsigned stat_u_65535 = 65535U;
/* Compared values are unsigned statics */
#define ZERO stat_u_0
#define P1 stat_u_1
#define P255 stat_u_255
#define P256 stat_u_256
#define P257 stat_u_257
#define P32767 stat_u_32767
#define P32768 stat_u_32768
#define P65535 stat_u_65535
/* unsigned int to unsigned statics compares */
static void uint_loc_to_ustat_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);
}
static void uint_loc_to_ustat_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);
}
static void uint_loc_to_ustat_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);
}
static void uint_loc_to_ustat_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);
}
static void uint_loc_to_ustat_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);
}
static void uint_loc_to_ustat_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);
}
static void uint_loc_to_ustat_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);
}
static void uint_loc_to_ustat_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);
}
static void uint_loc_to_ustat_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);
}
static void uint_loc_to_ustat_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);
}
int main(void)
{
marker = 0x01;
uint_loc_to_ustat_11();
uint_loc_to_ustat_13();
uint_loc_to_ustat_15();
uint_loc_to_ustat_17();
uint_loc_to_ustat_19();
uint_loc_to_ustat_1B();
uint_loc_to_ustat_1D();
uint_loc_to_ustat_1F();
uint_loc_to_ustat_21();
uint_loc_to_ustat_23();
printf(TEST_NAME " failures: %d\n", failures);
return failures ? EXIT_FAILURE : EXIT_SUCCESS;
}