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Add test case for sign extending < 1 byte

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This commit is contained in:
Jesse Rosenstock 2020-07-19 22:59:44 +02:00 committed by Oliver Schmidt
parent 04d16b3740
commit c0f2b69bef
1 changed files with 21 additions and 1 deletions
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22
test/todo/bug1095.c
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@ -30,7 +30,8 @@ static struct signed_ints {
signed int a : 3;
signed int b : 3;
signed int c : 3;
} si = {-4, -1, 3};
signed int d : 10;
} si = {-4, -1, 3, -500};
static void test_signed_bitfield(void)
{
@ -61,9 +62,19 @@ static void test_signed_bitfield(void)
failures++;
}
if (si.d >= 0) {
printf("Got si.d = %d, expected negative.\n", si.d);
failures++;
}
if (si.d != -500) {
printf("Got si.d = %d, expected -500.\n", si.d);
failures++;
}
si.a = -3;
si.b = 1;
si.c = -2;
si.d = 500;
if (si.a >= 0) {
printf("Got si.a = %d, expected negative.\n", si.a);
@ -91,6 +102,15 @@ static void test_signed_bitfield(void)
printf("Got si.c = %d, expected -2.\n", si.c);
failures++;
}
if (si.d <= 0) {
printf("Got si.d = %d, expected positive.\n", si.d);
failures++;
}
if (si.d != 500) {
printf("Got si.d = %d, expected 500.\n", si.d);
failures++;
}
}
int main(void)