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-rw-r--r--tests/bitvec/bitvec_test.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/bitvec/bitvec_test.c b/tests/bitvec/bitvec_test.c
index c8795dbd..fbf5c5dd 100644
--- a/tests/bitvec/bitvec_test.c
+++ b/tests/bitvec/bitvec_test.c
@@ -204,6 +204,24 @@ static void test_used_bytes()
}
}
+static void test_tailroom()
+{
+ struct bitvec b;
+ uint8_t d[32];
+ unsigned int i;
+
+ b.data = d;
+ b.data_len = sizeof(d);
+ bitvec_zero(&b);
+
+ OSMO_ASSERT(bitvec_tailroom_bits(&b) == sizeof(d)*8);
+
+ for (i = 0; i < 8*sizeof(d); i++) {
+ bitvec_set_bit(&b, 1);
+ OSMO_ASSERT(bitvec_tailroom_bits(&b) == sizeof(d)*8-(i+1));
+ }
+}
+
int main(int argc, char **argv)
{
struct bitvec bv;
@@ -311,6 +329,7 @@ int main(int argc, char **argv)
printf("\nbitvec bytes used.\n");
test_used_bytes();
+ test_tailroom();
printf("\nbitvec ok.\n");
return 0;