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https://github.com/cc65/cc65.git
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128 lines
2.1 KiB
C
128 lines
2.1 KiB
C
/*
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!!DESCRIPTION!!
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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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/* #define SUPPORT_BIT_TYPES */
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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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#ifdef SUPPORT_BIT_TYPES
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bit bit0 = 0;
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#endif
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unsigned int uint0 = 0;
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unsigned int uint1 = 0;
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/*
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* BUG: if these aren't volatile, an overzealous optimizer or somthing
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* wreaks havoc with the simple tests like "if(uchar != 3)failures++"
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*/
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#if 0
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unsigned char uchar0 = 0;
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unsigned char uchar1 = 0;
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unsigned char uchar2 = 0;
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#else
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volatile unsigned char uchar0 = 0;
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volatile unsigned char uchar1 = 0;
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volatile unsigned char uchar2 = 0;
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#endif
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void (*pfunc)(void);
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void (*p1func)(void);
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unsigned char (*pcfunc)(void);
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void done()
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{
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dummy++;
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}
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void call0(void)
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{
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uchar0++;
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}
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void call1(void)
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{
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uchar1++;
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}
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unsigned char call2(void)
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{
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return uchar0 + 9;
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}
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void docall0(void)
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{
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pfunc = call0;
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(pfunc)();
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if(uchar0 != 1)
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failures++;
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}
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void docall1()
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{
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unsigned char i;
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for(i = 0; i < 3; i++) {
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(*p1func)();
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}
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}
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void docall2( void(*pf)() )
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{
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unsigned char i;
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for(i = 0; i < 2; i++) {
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pf();
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}
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}
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int main(void)
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{
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docall0();
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p1func = call1;
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docall1();
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if(uchar1 != 3)
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failures++;
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if(uchar0 != 1)
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failures++;
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p1func = call0;
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docall1();
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if(uchar1 != 3)
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failures++;
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if(uchar0 != 4)
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failures++;
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docall2(call0);
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if(uchar1 != 3)
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failures++;
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if(uchar0 != 6)
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failures++;
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docall2(call1);
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if(uchar1 != 5)
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failures++;
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if(uchar0 != 6)
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failures++;
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pcfunc = call2;
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uchar2 = (*pcfunc)();
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if(uchar2 != 15)
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failures++;
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uchar2 += (pcfunc)();
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uchar2 += pcfunc();
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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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