mirror of
https://github.com/cc65/cc65.git
synced 2024-11-06 15:06:07 +00:00
170 lines
2.2 KiB
C
170 lines
2.2 KiB
C
/*
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!!DESCRIPTION!! Subtraction Test
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!!ORIGIN!! SDCC regression tests
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!!LICENCE!! GPL, read COPYING.GPL
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*/
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#include <stdio.h>
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#include <limits.h>
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unsigned char success=0;
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unsigned char failures=0;
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unsigned char dummy=0;
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#if SUPPORT_BIT_TYPES
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bit bit0 = 0;
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bit bit1 = 0;
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bit bit2 = 0;
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bit bit3 = 0;
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bit bit4 = 0;
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bit bit5 = 0;
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bit bit6 = 0;
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bit bit7 = 0;
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bit bit8 = 0;
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bit bit9 = 0;
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bit bit10 = 0;
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bit bit11 = 0;
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#endif
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int int0 = 0;
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int int1 = 0;
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signed char char0 = 0;
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signed char char1 = 0;
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signed char char2 = 0;
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void done()
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{
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dummy++;
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}
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void sub_int1(void)
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{
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if(int0 != 5)
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failures++;
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if(int1 != 4)
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failures++;
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int0 = int0 - int1;
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if(int0 != 1)
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failures++;
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int0 = 4 - int0;
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if(int0 != 3)
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failures++;
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int0 = int0 - int1;
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if(int0 != -1)
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failures++;
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int0 = int0 - 0xff;
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if(int0 != -0x100)
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failures++;
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int0 = 0xff - int0;
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if(int0 != 0x1ff)
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failures++;
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}
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void sub_char_int(void)
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{
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int0 = int0 - char0;
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if(int0 != 3)
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failures++;
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if(int0 < char0)
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failures++;
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int0 = int0 - char0;
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if(int0 != 1)
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failures++;
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if(int0 > char0)
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failures++;
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int0 = int0 - char0;
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if(int0 != -1)
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failures++;
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if(int0>0)
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failures++;
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}
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void assign_char2int(void)
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{
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int0 = char0;
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if(int0 != 0x7f)
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failures++;
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/* printf("%2x %2x %2x %d\n",0x7f,int0,char0,failures); */
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int1 = char1;
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if(int1 != -5)
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failures++;
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/* printf("%2x,%d %2x,%d %2x,%d %d\n",-5,-5,(int)int1,(int)int1,(int)char1,(int)char1,failures); */
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}
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void sub_compound_char(void)
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{
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char0 = char1 - 5;
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if(char0 != 4)
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failures++;
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if((char1 - char0 - 5) != 0)
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failures++;
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}
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void sub_compound_int(void)
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{
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int0 = int1 - 5;
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if(int0 != 4)
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failures++;
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if((int1 - int0 - 5) != 0)
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failures++;
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}
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int main(void)
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{
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int0 = 5;
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int1 = 4;
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sub_int1();
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printf("failures: %d\n",failures);
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int0 = 5;
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int1 = 4;
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char0 = 2;
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sub_char_int();
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printf("failures: %d\n",failures);
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char0 = 0x7f;
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char1 = -5;
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assign_char2int();
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printf("failures: %d\n",failures);
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char1 = 9;
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sub_compound_char();
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printf("failures: %d\n",failures);
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int1 = 9;
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sub_compound_int();
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success = failures;
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done();
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printf("failures: %d\n",failures);
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return failures;
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}
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