233 lines
5.9 KiB
C
233 lines
5.9 KiB
C
/* Exercise compare operator edge cases in forward and reverse forms;
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** signed char: autos, usigned statics.
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** Note: will cause some compiler warnings:
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** -- Result of comparison is constant
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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-rev13"
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#include "compare-rev.h"
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static unsigned stat_u_0 = 0U;
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static unsigned stat_u_1 = 1U;
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static unsigned char stat_u_127 = 127U;
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static unsigned char stat_u_128 = 128U;
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static unsigned char stat_u_255 = 255U;
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static unsigned stat_u_256 = 256U;
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static unsigned stat_u_257 = 257U;
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static unsigned stat_u_32767 = 32767U;
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static unsigned stat_u_32768 = 32768U;
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static unsigned stat_u_65535 = 65535U;
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/* Compared values are unsigned statics */
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#define ZERO stat_u_0
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#define P1 stat_u_1
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#define P127 stat_u_127
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#define P128 stat_u_128
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#define P255 stat_u_255
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#define P256 stat_u_256
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#define P257 stat_u_257
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#define P32767 stat_u_32767
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#define P32768 stat_u_32768
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#define P65535 stat_u_65535
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/* signed char to unsigned statics compares */
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static void schar_loc_to_ustat_11(void)
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{
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signed char v;
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v = -128;
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marker = 0x1100; /* +8 for each macro */
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/* Special signed to unsigned promotion cases */
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MUST_BE_GREATER_THAN(v, ZERO);
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MUST_BE_GREATER_THAN(v, P1);
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/* Normal unsigned char promotion cases */
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MUST_BE_LESS_THAN(v, P127);
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MUST_BE_LESS_THAN(v, P128);
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MUST_BE_LESS_THAN(v, P255);
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/* Special signed to unsigned promotion cases */
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MUST_BE_GREATER_THAN(v, P256);
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MUST_BE_GREATER_THAN(v, P257);
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MUST_BE_GREATER_THAN(v, P32767);
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MUST_BE_GREATER_THAN(v, P32768);
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if (sizeof(P65535) == 2) {
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MUST_BE_LESS_THAN(v, P65535);
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}
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}
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static void schar_loc_to_ustat_13(void)
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{
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signed char v;
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v = -127;
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marker = 0x1300; /* +8 for each macro */
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/* Special signed to unsigned promotion cases */
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MUST_BE_GREATER_THAN(v, ZERO);
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MUST_BE_GREATER_THAN(v, P1);
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/* Normal unsigned char promotion cases */
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MUST_BE_LESS_THAN(v, P127);
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MUST_BE_LESS_THAN(v, P128);
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MUST_BE_LESS_THAN(v, P255);
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/* Special signed to unsigned promotion cases */
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MUST_BE_GREATER_THAN(v, P256);
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MUST_BE_GREATER_THAN(v, P257);
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MUST_BE_GREATER_THAN(v, P32767);
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MUST_BE_GREATER_THAN(v, P32768);
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if (sizeof(P65535) == 2) {
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MUST_BE_LESS_THAN(v, P65535);
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}
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}
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static void schar_loc_to_ustat_15(void)
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{
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signed char v;
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v = -2;
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marker = 0x1500; /* +8 for each macro */
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/* Special signed to unsigned promotion cases */
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MUST_BE_GREATER_THAN(v, ZERO);
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MUST_BE_GREATER_THAN(v, P1);
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/* Normal unsigned char promotion cases */
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MUST_BE_LESS_THAN(v, P127);
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MUST_BE_LESS_THAN(v, P128);
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MUST_BE_LESS_THAN(v, P255);
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/* Special signed to unsigned promotion cases */
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MUST_BE_GREATER_THAN(v, P256);
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MUST_BE_GREATER_THAN(v, P257);
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MUST_BE_GREATER_THAN(v, P32767);
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MUST_BE_GREATER_THAN(v, P32768);
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if (sizeof(P65535) == 2) {
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MUST_BE_LESS_THAN(v, P65535);
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}
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}
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static void schar_loc_to_ustat_17(void)
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{
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signed char v;
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v = -1;
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marker = 0x1700; /* +8 for each macro */
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/* Special signed to unsigned promotion cases */
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MUST_BE_GREATER_THAN(v, ZERO);
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MUST_BE_GREATER_THAN(v, P1);
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/* Normal unsigned char promotion cases */
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MUST_BE_LESS_THAN(v, P127);
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MUST_BE_LESS_THAN(v, P128);
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MUST_BE_LESS_THAN(v, P255);
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/* Special signed to unsigned promotion cases */
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MUST_BE_GREATER_THAN(v, P256);
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MUST_BE_GREATER_THAN(v, P257);
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MUST_BE_GREATER_THAN(v, P32767);
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MUST_BE_GREATER_THAN(v, P32768);
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if (sizeof(P65535) == 2) {
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MUST_BE_EQUAL(v, P65535); /* special case: -1 to uint promotion */
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}
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}
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static void schar_loc_to_ustat_19(void)
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{
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signed char v;
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v = 0;
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marker = 0x1900; /* +8 for each macro */
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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, P127);
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MUST_BE_LESS_THAN(v, P128);
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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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MUST_BE_LESS_THAN(v, P32768);
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MUST_BE_LESS_THAN(v, P65535);
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}
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static void schar_loc_to_ustat_1B(void)
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{
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signed char v;
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v = 1;
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marker = 0x1B00; /* +8 for each macro */
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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, P127);
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MUST_BE_LESS_THAN(v, P128);
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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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MUST_BE_LESS_THAN(v, P32768);
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MUST_BE_LESS_THAN(v, P65535);
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}
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static void schar_loc_to_ustat_1D(void)
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{
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signed char v;
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v = 2;
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marker = 0x1D00; /* +8 for each macro */
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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, P127);
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MUST_BE_LESS_THAN(v, P128);
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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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MUST_BE_LESS_THAN(v, P32768);
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MUST_BE_LESS_THAN(v, P65535);
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}
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static void schar_loc_to_ustat_1F(void)
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{
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signed char v;
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v = 127;
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marker = 0x1F00; /* +8 for each macro */
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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, P127);
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MUST_BE_LESS_THAN(v, P128);
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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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MUST_BE_LESS_THAN(v, P32768);
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MUST_BE_LESS_THAN(v, P65535);
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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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schar_loc_to_ustat_11();
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schar_loc_to_ustat_13();
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schar_loc_to_ustat_15();
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schar_loc_to_ustat_17();
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schar_loc_to_ustat_19();
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schar_loc_to_ustat_1B();
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schar_loc_to_ustat_1D();
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schar_loc_to_ustat_1F();
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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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