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Expand bug2395 tests to other operators and conditions

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This commit is contained in:
Alex Volkov
2026-03-20 19:51:04 -04:00
parent d427887764
commit 2fd9411f7f
1 changed files with 112 additions and 0 deletions
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112
test/val/bug2395.c
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@@ -8,6 +8,7 @@
unsigned char a, b;
unsigned char c = 199;
unsigned char d = 100;
int i = 50;
int main(void) {
int fails = 0;
@@ -38,6 +39,117 @@ int main(void) {
printf("AND error: a %d instead of %d\n", a, b);
fails++;
}
a = c + (d != 0);
b = c + 1;
printf("%u ^ (%u != 0) => %u\n", c, d, a);
if (a != b) {
printf("ADD error: a %d instead of %d\n", a, b);
fails++;
}
a = c - (d != 0);
b = c - 1;
printf("%u ^ (%u != 0) => %u\n", c, d, a);
if (a != b) {
printf("SUB error: a %d instead of %d\n", a, b);
fails++;
}
a = c ^ (d >= 0);
b = c ^ 1;
printf("%u ^ (%u >= 0) => %u\n", c, d, a);
if (a != b) {
printf("XOR error: a %d instead of %d\n", a, b);
fails++;
}
a = c | (d >= 0);
b = c | 1;
printf("%u | (%u >= 0) => %u\n", c, d, a);
if (a != b) {
printf("OR error: a %d instead of %d\n", a, b);
fails++;
}
a = c & (d >= 0);
b = c & 1;
printf("%u & (%u >= 0) => %u\n", c, d, a);
if (a != b) {
printf("AND error: a %d instead of %d\n", a, b);
fails++;
}
a = c + (d >= 0);
b = c + 1;
printf("%u ^ (%u >= 0) => %u\n", c, d, a);
if (a != b) {
printf("ADD error: a %d instead of %d\n", a, b);
fails++;
}
a = c - (d >= 0);
b = c - 1;
printf("%u ^ (%u >= 0) => %u\n", c, d, a);
if (a != b) {
printf("SUB error: a %d instead of %d\n", a, b);
fails++;
}
printf("%d errors\n", fails);
a = c ^ (i >= 0);
b = c ^ 1;
printf("%u ^ (%d >= 0) => %u\n", c, d, a);
if (a != b) {
printf("XOR int cmp error: a %d instead of %d\n", a, b);
fails++;
}
a = c | (i >= 0);
b = c | 1;
printf("%u | (%d >= 0) => %u\n", c, i, a);
if (a != b) {
printf("OR int cmp error: a %d instead of %d\n", a, b);
fails++;
}
a = c & (i >= 0);
b = c & 1;
printf("%u & (%d >= 0) => %u\n", c, i, a);
if (a != b) {
printf("AND int cmp error: a %d instead of %d\n", a, b);
fails++;
}
a = c + (i >= 0);
b = c + 1;
printf("%u ^ (%d >= 0) => %u\n", c, i, a);
if (a != b) {
printf("ADD int cmp error: a %d instead of %d\n", a, b);
fails++;
}
a = c - (i >= 0);
b = c - 1;
printf("%u ^ (%d >= 0) => %u\n", c, i, a);
if (a != b) {
printf("SUB int cmp error: a %d instead of %d\n", a, b);
fails++;
}
printf("%d errors\n", fails);
return fails;