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cc65/test/val/bug1847-struct-field-access.c

47 lines
1.1 KiB
C

/* Bug #1847 - struct field access */
#include <stdio.h>
struct TestStruct {
char a;
char b;
char c;
};
struct TestStruct s0[2] = { {0xFF, 0, 0xFF}, {0, 0x42, 0xFF} };
struct TestStruct* s0Ptr = s0;
#define TEST_READ_SUB(X, E) \
if ((X) != (E)) { \
printf(#X ": 0x%X, expected: 0x%X\n", (X), (E)); \
++failures; \
}
#define TEST_READ(S, I, F, E) \
TEST_READ_SUB(S[I].F, E) \
TEST_READ_SUB((&S[I])->F, E) \
TEST_READ_SUB((&S[I])[0].F, E) \
TEST_READ_SUB(S##Ptr[I].F, E) \
TEST_READ_SUB((&S##Ptr[I])->F, E) \
TEST_READ_SUB((&(S##Ptr[I]))[0].F, E) \
TEST_READ_SUB((&(*S##Ptr))[I].F, E) \
TEST_READ_SUB((&(*S##Ptr)+I)->F, E) \
TEST_READ_SUB((S##Ptr+I)->F, E) \
TEST_READ_SUB((S##Ptr+I)[0].F, E)
static unsigned failures = 0;
int main(void) {
struct TestStruct s1[2] = { {0xFF, 0, 0xFF}, {0, 42, 0xFF} };
struct TestStruct* s1Ptr = s1;
TEST_READ(s0, 1, b, 0x42)
TEST_READ(s1, 1, b, 42)
if (failures > 0) {
printf("Failures: %u\n", failures);
}
return failures;
}