mirror of https://github.com/cc65/cc65.git
96 lines
1.6 KiB
C
96 lines
1.6 KiB
C
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/* issue #1462 - Bit-fields are still broken */
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/* More tests on "op= expression result value" that a naive fix might fail with */
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#include <stdio.h>
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typedef struct {
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signed int a : 3;
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unsigned int b : 3;
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signed int c : 3;
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unsigned int d : 3;
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} T1;
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typedef struct {
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signed int a : 3;
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signed int b : 3;
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signed int c : 3;
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signed int d : 3;
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} T2;
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int failures1 = 0;
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int failures2 = 0;
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void test1(void)
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{
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T1 a = { 3, 3, 3, 3 };
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int i;
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i = a.a -= a.b + a.c;
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if (i != -3 || a.a != -3) {
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++failures1;
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}
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printf("i = %d, a.a = %d\n", i, a.a);
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a.b = i = a.b / -1;
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if (i != -3 || a.b != 5) {
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++failures1;
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}
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printf("i = %d, a.b = %d\n", i, a.b);
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i = a.c = 0;
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if (i != 0 || a.c != 0) {
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++failures1;
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}
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printf("i = %d, a.c = %d\n", i, a.c);
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i = a.d /= -1;
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if (i != 5 || a.d != 5) {
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++failures1;
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}
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printf("i = %d, a.d = %d\n", i, a.d);
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printf("Failures: %d\n", failures1);
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}
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void test2(void)
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{
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T2 b = { 3, 3, 4, 4 };
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int i;
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i = b.a++;
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if (i != 3 || b.a != -4) {
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++failures2;
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}
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printf("i = %d, b.a = %d\n", i, b.a);
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i = ++b.b;
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if (i != -4 || b.b != -4) {
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++failures2;
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}
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printf("i = %d, b.b = %d\n", i, b.b);
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i = b.c--;
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if (i != -4 || b.c != 3) {
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++failures2;
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}
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printf("i = %d, b.c = %d\n", i, b.c);
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i = --b.d;
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if (i != 3 || b.d != 3) {
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++failures2;
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}
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printf("i = %d, b.d = %d\n", i, b.d);
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printf("Failures: %d\n", failures2);
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}
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int main(void)
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{
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test1();
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test2();
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return failures1 + failures2;
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}
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