diff options
Diffstat (limited to 'tests/bitvec/bitvec_test.c')
| -rw-r--r-- | tests/bitvec/bitvec_test.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/tests/bitvec/bitvec_test.c b/tests/bitvec/bitvec_test.c index fbf5c5dd..b4764e68 100644 --- a/tests/bitvec/bitvec_test.c +++ b/tests/bitvec/bitvec_test.c @@ -222,6 +222,45 @@ static void test_tailroom() } } +static void test_bitvec_read_field(void) +{ + uint8_t data[8] = { 0xde, 0xad, 0xbe, 0xef, 0xfe, 0xeb, 0xda, 0xed }; + struct bitvec bv = { + .data_len = sizeof(data), + .data = data, + .cur_bit = 0, + }; + + unsigned int readIndex; + uint64_t field; + +#define _bitvec_read_field(idx, len) \ + readIndex = idx; \ + field = bitvec_read_field(&bv, &readIndex, len); \ + printf("bitvec_read_field(idx=%u, len=%u) => %" PRIx64 "\n", idx, len, field); + + _bitvec_read_field(0, 64); + _bitvec_read_field(0, 32); + _bitvec_read_field(0, 16); + _bitvec_read_field(0, 8); + _bitvec_read_field(0, 0); + + _bitvec_read_field(8, 8); + _bitvec_read_field(8, 4); + _bitvec_read_field(8, 0); + + _bitvec_read_field(10, 9); + _bitvec_read_field(10, 7); + _bitvec_read_field(10, 5); + _bitvec_read_field(10, 3); + _bitvec_read_field(10, 1); + + /* Out of bounds (see OS#4388) */ + _bitvec_read_field(8 * 8 * 8, 16); /* index too far */ + _bitvec_read_field(0, 8 * 8 + 1); /* too many bits */ + _bitvec_read_field(8 * 8, 16); /* 16 bits past */ +} + int main(int argc, char **argv) { struct bitvec bv; @@ -331,6 +370,9 @@ int main(int argc, char **argv) test_used_bytes(); test_tailroom(); + printf("\ntest bitvec_read_field():\n"); + test_bitvec_read_field(); + printf("\nbitvec ok.\n"); return 0; } |