Add unit tests for the bitmask management functions the previous
patch added in util.h.
Reviewed-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx>
Signed-off-by: Martin Wilck <mwilck@xxxxxxxx>
---
tests/util.c | 98 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 98 insertions(+)
diff --git a/tests/util.c b/tests/util.c
index 839effd2..e6d4b9ab 100644
--- a/tests/util.c
+++ b/tests/util.c
@@ -26,6 +26,8 @@
#include "globals.c"
+#define BITARR_SZ 4
+
static void test_basenamecpy_good0(void **state)
{
char dst[10];
@@ -139,6 +141,100 @@ static void test_basenamecpy_bad5(void **state)
assert_int_equal(basenamecpy("baz/qux", NULL, sizeof(dst)), 0);
}
+static void test_bitmask_1(void **state)
+{
+ uint64_t arr[BITARR_SZ];
+ int i, j, k, m, b;
+
+ memset(arr, 0, sizeof(arr));
+
+ for (j = 0; j < BITARR_SZ; j++) {
+ for (i = 0; i < 64; i++) {
+ b = 64 * j + i;
+ assert(!is_bit_set_in_array(b, arr));
+ set_bit_in_array(b, arr);
+ for (k = 0; k < BITARR_SZ; k++) {
+ printf("b = %d j = %d k = %d a = %"PRIx64"\n",
+ b, j, k, arr[k]);
+ if (k == j)
+ assert_int_equal(arr[j], 1ULL << i);
+ else
+ assert_int_equal(arr[k], 0ULL);
+ }
+ for (m = 0; m < 64; m++)
+ if (i == m)
+ assert(is_bit_set_in_array(64 * j + m,
+ arr));
+ else
+ assert(!is_bit_set_in_array(64 * j + m,
+ arr));
+ clear_bit_in_array(b, arr);
+ assert(!is_bit_set_in_array(b, arr));
+ for (k = 0; k < BITARR_SZ; k++)
+ assert_int_equal(arr[k], 0ULL);
+ }
+ }
+}
+
+static void test_bitmask_2(void **state)
+{
+ uint64_t arr[BITARR_SZ];
+ int i, j, k, m, b;
+
+ memset(arr, 0, sizeof(arr));
+
+ for (j = 0; j < BITARR_SZ; j++) {
+ for (i = 0; i < 64; i++) {
+ b = 64 * j + i;
+ assert(!is_bit_set_in_array(b, arr));
+ set_bit_in_array(b, arr);
+ for (m = 0; m < 64; m++)
+ if (m <= i)
+ assert(is_bit_set_in_array(64 * j + m,
+ arr));
+ else
+ assert(!is_bit_set_in_array(64 * j + m,
+ arr));
+ assert(is_bit_set_in_array(b, arr));
+ for (k = 0; k < BITARR_SZ; k++) {
+ if (k < j || (k == j && i == 63))
+ assert_int_equal(arr[k], ~0ULL);
+ else if (k > j)
+ assert_int_equal(arr[k], 0ULL);
+ else
+ assert_int_equal(
+ arr[k],
+ (1ULL << (i + 1)) - 1);
+ }
+ }
+ }
+ for (j = 0; j < BITARR_SZ; j++) {
+ for (i = 0; i < 64; i++) {
+ b = 64 * j + i;
+ assert(is_bit_set_in_array(b, arr));
+ clear_bit_in_array(b, arr);
+ for (m = 0; m < 64; m++)
+ if (m <= i)
+ assert(!is_bit_set_in_array(64 * j + m,
+ arr));
+ else
+ assert(is_bit_set_in_array(64 * j + m,
+ arr));
+ assert(!is_bit_set_in_array(b, arr));
+ for (k = 0; k < BITARR_SZ; k++) {
+ if (k < j || (k == j && i == 63))
+ assert_int_equal(arr[k], 0ULL);
+ else if (k > j)
+ assert_int_equal(arr[k], ~0ULL);
+ else
+ assert_int_equal(
+ arr[k],
+ ~((1ULL << (i + 1)) - 1));
+ }
+ }
+ }
+}
+
int test_basenamecpy(void)
{
const struct CMUnitTest tests[] = {
@@ -156,6 +252,8 @@ int test_basenamecpy(void)
cmocka_unit_test(test_basenamecpy_bad3),
cmocka_unit_test(test_basenamecpy_bad4),
cmocka_unit_test(test_basenamecpy_bad5),
+ cmocka_unit_test(test_bitmask_1),
+ cmocka_unit_test(test_bitmask_2),
};
return cmocka_run_group_tests(tests, NULL, NULL);
}
--
2.19.2
--
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