mirror of
https://github.com/cc65/cc65.git
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251 lines
4.0 KiB
C
251 lines
4.0 KiB
C
/*
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** !!DESCRIPTION!! Simple tests about adding pointers and offsets
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** !!ORIGIN!! cc65 regression tests
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** !!LICENCE!! Public Domain
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** !!AUTHOR!! 2016-01-01, Greg King
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*/
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#include <stdio.h>
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static unsigned char failures = 0;
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static char array[16];
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static char *cPtr;
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static int *iPtr;
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static long *lPtr;
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/* These functions test: adding an offset variable to a pointer variable. */
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static void cPointer_char(void)
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{
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char *cP = array;
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char offset = 3;
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cPtr = cP + offset;
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if (cPtr != (void *)&array[3]) {
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++failures;
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}
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}
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static void cPointer_int(void)
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{
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char *cP = array;
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int offset = 3;
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cPtr = cP + offset;
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if (cPtr != (void *)&array[3]) {
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++failures;
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}
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}
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static void cPointer_long(void)
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{
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char *cP = array;
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long offset = 3;
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cPtr = cP + offset;
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if (cPtr != (void *)&array[3]) {
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++failures;
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}
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}
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static void iPointer_char(void)
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{
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int *iP = (int *)array;
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char offset = 3;
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iPtr = iP + offset;
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if (iPtr != (void *)&array[6]) {
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++failures;
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}
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}
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static void iPointer_int(void)
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{
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int *iP = (int *)array;
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int offset = 3;
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iPtr = iP + offset;
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if (iPtr != (void *)&array[6]) {
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++failures;
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}
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}
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static void iPointer_long(void)
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{
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int *iP = (int *)array;
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long offset = 3;
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iPtr = iP + offset;
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if (iPtr != (void *)&array[6]) {
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++failures;
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}
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}
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static void lPointer_char(void)
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{
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long *lP = (long *)array;
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char offset = 3;
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lPtr = lP + offset;
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if (lPtr != (void *)&array[12]) {
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++failures;
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}
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}
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static void lPointer_int(void)
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{
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long *lP = (long *)array;
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int offset = 3;
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lPtr = lP + offset;
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if (lPtr != (void *)&array[12]) {
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++failures;
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}
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}
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static void lPointer_long(void)
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{
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long *lP = (long *)array;
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long offset = 3;
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lPtr = lP + offset;
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if (lPtr != (void *)&array[12]) {
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++failures;
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}
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}
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/* These functions test: adding a pointer variable to an offset variable. */
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static void char_cPointer(void)
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{
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char *cP = array;
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char offset = 3;
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cPtr = offset + cP;
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if (cPtr != (void *)&array[3]) {
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++failures;
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}
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}
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static void int_cPointer(void)
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{
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char *cP = array;
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int offset = 3;
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cPtr = offset + cP;
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if (cPtr != (void *)&array[3]) {
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++failures;
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}
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}
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static void long_cPointer(void)
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{
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char *cP = array;
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long offset = 3;
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cPtr = (offset + cP);
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if (cPtr != (void *)&array[3]) {
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++failures;
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}
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}
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static void char_iPointer(void)
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{
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int *iP = (int *)array;
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char offset = 3;
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iPtr = offset + iP;
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if (iPtr != (void *)&array[6]) {
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++failures;
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}
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}
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static void int_iPointer(void)
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{
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int *iP = (int *)array;
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int offset = 3;
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iPtr = offset + iP;
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if (iPtr != (void *)&array[6]) {
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++failures;
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}
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}
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static void long_iPointer(void)
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{
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int *iP = (int *)array;
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long offset = 3;
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iPtr = (offset + iP);
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if (iPtr != (void *)&array[6]) {
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++failures;
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}
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}
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static void char_lPointer(void)
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{
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long *lP = (long *)array;
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char offset = 3;
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lPtr = offset + lP;
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if (lPtr != (void *)&array[12]) {
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++failures;
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}
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}
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static void int_lPointer(void)
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{
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long *lP = (long *)array;
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int offset = 3;
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lPtr = offset + lP;
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if (lPtr != (void *)&array[12]) {
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++failures;
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}
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}
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static void long_lPointer(void)
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{
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long *lP = (long *)array;
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long offset = 3;
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lPtr = (offset + lP);
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if (lPtr != (void *)&array[12]) {
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++failures;
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}
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}
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int main(void)
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{
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cPointer_char();
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cPointer_int();
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cPointer_long();
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iPointer_char();
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iPointer_int();
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iPointer_long();
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lPointer_char();
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lPointer_int();
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lPointer_long();
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char_cPointer();
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int_cPointer();
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long_cPointer();
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char_iPointer();
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int_iPointer();
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long_iPointer();
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char_lPointer();
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int_lPointer();
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long_lPointer();
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if (failures != 0) {
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printf("add5: failures: %u\n", failures);
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}
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return failures;
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}
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