137 lines
3.1 KiB
C
137 lines
3.1 KiB
C
/* Exercise compare operator edge cases in forward and reverse forms;
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** unsigned char: literals, autos.
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** Note: will cause many compiler warnings:
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** -- Result of comparison is always (true|false)
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** -- Unreachable code
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**
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** License: Public Domain
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**
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** This software is provided 'as-is', without any express or implied warranty.
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** In no event will the authors be held liable for any damages arising from
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** the use of this software.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#define TEST_NAME "compare-rev21"
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#include "compare-rev.h"
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/* Compared values are signed int literals */
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#define N256 -256
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#define N255 -255
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#define N1 -1
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#define ZERO 0
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#define P1 1
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#define P255 255
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#define P256 256
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#define P257 257
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#define P32767 32767
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/* unsigned char to signed literal compares */
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static void uchar_loc_to_slit_11(void)
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{
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unsigned char v;
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v = 0;
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marker = 0x1100; /* +8 for each macro */
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MUST_BE_GREATER_THAN(v, N256);
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MUST_BE_GREATER_THAN(v, N255);
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MUST_BE_GREATER_THAN(v, N1);
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MUST_BE_EQUAL(v, ZERO);
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MUST_BE_LESS_THAN(v, P1);
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MUST_BE_LESS_THAN(v, P255);
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MUST_BE_LESS_THAN(v, P256);
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MUST_BE_LESS_THAN(v, P257);
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MUST_BE_LESS_THAN(v, P32767);
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}
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static void uchar_loc_to_slit_13(void)
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{
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unsigned char v;
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v = 1;
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marker = 0x1300; /* +8 for each macro */
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MUST_BE_GREATER_THAN(v, N256);
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MUST_BE_GREATER_THAN(v, N255);
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MUST_BE_GREATER_THAN(v, N1);
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MUST_BE_GREATER_THAN(v, ZERO);
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MUST_BE_EQUAL(v, P1);
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MUST_BE_LESS_THAN(v, P255);
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MUST_BE_LESS_THAN(v, P256);
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MUST_BE_LESS_THAN(v, P257);
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MUST_BE_LESS_THAN(v, P32767);
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}
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static void uchar_loc_to_slit_15(void)
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{
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unsigned char v;
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v = 2;
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marker = 0x1500; /* +8 for each macro */
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MUST_BE_GREATER_THAN(v, N256);
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MUST_BE_GREATER_THAN(v, N255);
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MUST_BE_GREATER_THAN(v, N1);
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MUST_BE_GREATER_THAN(v, ZERO);
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MUST_BE_GREATER_THAN(v, P1);
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MUST_BE_LESS_THAN(v, P255);
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MUST_BE_LESS_THAN(v, P256);
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MUST_BE_LESS_THAN(v, P257);
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MUST_BE_LESS_THAN(v, P32767);
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}
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static void uchar_loc_to_slit_17(void)
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{
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unsigned char v;
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v = 254;
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marker = 0x1700; /* +8 for each macro */
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MUST_BE_GREATER_THAN(v, N256);
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MUST_BE_GREATER_THAN(v, N255);
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MUST_BE_GREATER_THAN(v, N1);
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MUST_BE_GREATER_THAN(v, ZERO);
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MUST_BE_GREATER_THAN(v, P1);
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MUST_BE_LESS_THAN(v, P255);
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MUST_BE_LESS_THAN(v, P256);
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MUST_BE_LESS_THAN(v, P257);
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MUST_BE_LESS_THAN(v, P32767);
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}
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static void uchar_loc_to_slit_19(void)
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{
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unsigned char v;
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v = 255;
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marker = 0x1900; /* +8 for each macro */
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MUST_BE_GREATER_THAN(v, N256);
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MUST_BE_GREATER_THAN(v, N255);
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MUST_BE_GREATER_THAN(v, N1);
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MUST_BE_GREATER_THAN(v, ZERO);
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MUST_BE_GREATER_THAN(v, P1);
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MUST_BE_EQUAL(v, P255);
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MUST_BE_LESS_THAN(v, P256);
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MUST_BE_LESS_THAN(v, P257);
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MUST_BE_LESS_THAN(v, P32767);
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}
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int main(void)
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{
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marker = 0x01;
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uchar_loc_to_slit_11();
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uchar_loc_to_slit_13();
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uchar_loc_to_slit_15();
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uchar_loc_to_slit_17();
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uchar_loc_to_slit_19();
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printf(TEST_NAME " failures: %d\n", failures);
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return failures ? EXIT_FAILURE : EXIT_SUCCESS;
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}
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