179 lines
2.5 KiB
C
179 lines
2.5 KiB
C
/*
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Addition tests
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*/
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#include <testfwk.h>
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/* bit types are not ANSI - so provide a way of disabling bit types
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* if this file is used to test other compilers besides SDCC */
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#define SUPPORT_BIT_TYPES 0
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/* Some compilers that support bit types do not support bit arithmetic
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* (like bitx = bity + bitz;) */
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#define SUPPORT_BIT_ARITHMETIC 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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unsigned int aint0 = 0;
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unsigned int aint1 = 0;
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unsigned char achar0 = 0;
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unsigned char achar1 = 0;
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unsigned char achar2 = 0;
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unsigned char achar3 = 0;
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unsigned char *acharP = 0;
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void sub_lit_from_uchar(void)
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{
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achar0 = achar0 - 5;
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ASSERT(!(achar0 != 0xfb));
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achar0 -= 10;
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ASSERT(!(achar0 != 0xf1));
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achar0 = achar0 -1; // Should be a decrement
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ASSERT(!(achar0 != 0xf0));
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for(achar1 = 0; achar1 < 100; achar1++)
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achar0 -= 2;
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ASSERT(!(achar0 != 40));
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}
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// achar0 = 1
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// achar1 = 100
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void sub_uchar2uchar(void)
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{
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achar1 = achar1 - achar0;
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ASSERT(!(achar1 != 99));
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for(achar2 = 0; achar2<7; achar2++)
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achar1 -= achar0;
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ASSERT(!(achar1 != 92));
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}
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// assumes
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// achar0 = 10
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// achar1 = 32
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// achar2, achar3 can be anything.
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void sub_uchar2uchar2(void)
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{
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achar0--;
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achar0 = achar0 - 1;
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achar0 = achar0 - 2;
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achar0 = achar0 - 3;
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ASSERT(!(achar0 != 3));
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achar1 -= achar0;
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ASSERT(!(achar1 != 29));
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achar2 = achar1 - achar0;
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ASSERT(!(achar2 != 26));
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achar3 = achar2 - achar1 - achar0;
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ASSERT(!(achar3 != 0xfa));
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}
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// sub_bits
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// all bit variables are 0 upon entry.
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#if SUPPORT_BIT_TYPES
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void sub_bits(void)
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{
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bit1 = bit0;
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bit0 = 1;
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ASSERT(!(bit1 != 0));
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bit1 = bit0-bit1; // 1 - 0 => 1
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ASSERT(!(bit1 != 1));
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#if SUPPORT_BIT_ARITHMETIC
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bit2 = bit1-bit0; // 1 - 1 => 0
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ASSERT(!(bit2));
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bit7 = bit4-bit5;
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bit6 = bit4+bit5;
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bit3 = bit4-bit5-bit6-bit7-bit0; // 0-0-0-0-1 => 1
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ASSERT(!(!bit3));
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#endif
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}
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/* sub_bit2uchar(void) - assumes bit0 = 1, achar0 = 7 */
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void sub_bit2uchar(void)
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{
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achar0 -= bit0;
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ASSERT(!(achar0 != 6));
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ASSERT(!(achar0 == bit0));
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}
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void sub_bit2uint(void)
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{
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ASSERT(!(aint0 != bit11));
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aint0 -= bit0;
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ASSERT(!(aint0!=0xffff));
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}
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#endif
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void
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testSub(void)
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{
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sub_lit_from_uchar();
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achar0=1;
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achar1=100;
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sub_uchar2uchar();
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achar0 = 10;
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achar1 = 32;
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sub_uchar2uchar2();
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#if SUPPORT_BIT_TYPES
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sub_bits();
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achar0 = 7;
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bit0 = 1;
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sub_bit2uchar();
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sub_bit2uint();
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#endif
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}
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