/* Exercise compare operator edge cases in forward and reverse forms; ** signed int: autos, unsigned 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 #include #define TEST_NAME "compare-rev33" #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 /* signed int to unsigned statics compares */ static void sint_loc_to_ustat_11(void) { signed int v; v = -32767-1; marker = 0x1100; /* +8 for each macro */ /* Special signed to unsigned promotion cases */ 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); if (sizeof(v) == 2) { MUST_BE_EQUAL(v, P32768); MUST_BE_LESS_THAN(v, P65535); } } static void sint_loc_to_ustat_13(void) { signed int v; v = -32767; marker = 0x1300; /* +8 for each macro */ /* Special signed to unsigned promotion cases */ 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); if (sizeof(v) == 2) { MUST_BE_GREATER_THAN(v, P32767); MUST_BE_GREATER_THAN(v, P32768); MUST_BE_LESS_THAN(v, P65535); } } static void sint_loc_to_ustat_15(void) { signed int v; v = -257; marker = 0x1500; /* +8 for each macro */ /* Special signed to unsigned promotion cases */ MUST_BE_GREATER_THAN(v, ZERO); MUST_BE_GREATER_THAN(v, P1); MUST_BE_GREATER_THAN(v, P255); MUST_BE_GREATER_THAN(v, P256); if (sizeof(v) == 2) { 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 sint_loc_to_ustat_17(void) { signed int v; v = -256; marker = 0x1700; /* +8 for each macro */ /* Special signed to unsigned promotion cases */ MUST_BE_GREATER_THAN(v, ZERO); MUST_BE_GREATER_THAN(v, P1); MUST_BE_GREATER_THAN(v, P255); if (sizeof(v) == 2) { 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 sint_loc_to_ustat_19(void) { signed int v; v = -255; marker = 0x1900; /* +8 for each macro */ /* Special signed to unsigned promotion cases */ MUST_BE_GREATER_THAN(v, ZERO); MUST_BE_GREATER_THAN(v, P1); if (sizeof(v) == 2) { 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 sint_loc_to_ustat_1B(void) { signed int v; v = -2; marker = 0x1B00; /* +8 for each macro */ /* Special signed to unsigned promotion cases */ MUST_BE_GREATER_THAN(v, ZERO); MUST_BE_GREATER_THAN(v, P1); if (sizeof(v) == 2) { 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 sint_loc_to_ustat_1D(void) { signed int v; v = -1; marker = 0x1D00; /* +8 for each macro */ /* Special signed to unsigned promotion cases */ MUST_BE_GREATER_THAN(v, ZERO); if (sizeof(v) == 2) { 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); } } static void sint_loc_to_ustat_1F(void) { signed int v; v = 0; marker = 0x1F00; /* +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 sint_loc_to_ustat_21(void) { signed int v; v = 1; marker = 0x2100; /* +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 sint_loc_to_ustat_23(void) { signed int v; v = 2; marker = 0x2300; /* +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 sint_loc_to_ustat_25(void) { signed int v; v = 255; marker = 0x2500; /* +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 sint_loc_to_ustat_27(void) { signed int v; v = 256; marker = 0x2700; /* +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 sint_loc_to_ustat_29(void) { signed int v; v = 257; marker = 0x2900; /* +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 sint_loc_to_ustat_2B(void) { signed int v; v = 32766; marker = 0x2B00; /* +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_LESS_THAN(v, P32767); MUST_BE_LESS_THAN(v, P32768); MUST_BE_LESS_THAN(v, P65535); } static void sint_loc_to_ustat_2D(void) { signed int v; v = 32767; marker = 0x2D00; /* +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); } int main(void) { marker = 0x01; sint_loc_to_ustat_11(); sint_loc_to_ustat_13(); sint_loc_to_ustat_15(); sint_loc_to_ustat_17(); sint_loc_to_ustat_19(); sint_loc_to_ustat_1B(); sint_loc_to_ustat_1D(); sint_loc_to_ustat_1F(); sint_loc_to_ustat_21(); sint_loc_to_ustat_23(); sint_loc_to_ustat_25(); sint_loc_to_ustat_27(); sint_loc_to_ustat_29(); sint_loc_to_ustat_2B(); sint_loc_to_ustat_2D(); printf(TEST_NAME " failures: %d\n", failures); return failures ? EXIT_FAILURE : EXIT_SUCCESS; }