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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:25:50 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:25:50 +0000
commit19f4f86bfed21c5326ed2acebe1163f3a83e832b (patch)
treed59b9989ce55ed23693e80974d94c856f1c2c8b1 /src/test/test-prioq.c
parentInitial commit. (diff)
downloadsystemd-upstream.tar.xz
systemd-upstream.zip
Adding upstream version 241.upstream/241upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/test-prioq.c')
-rw-r--r--src/test/test-prioq.c128
1 files changed, 128 insertions, 0 deletions
diff --git a/src/test/test-prioq.c b/src/test/test-prioq.c
new file mode 100644
index 0000000..53c9e09
--- /dev/null
+++ b/src/test/test-prioq.c
@@ -0,0 +1,128 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include <stdlib.h>
+
+#include "alloc-util.h"
+#include "prioq.h"
+#include "set.h"
+#include "siphash24.h"
+#include "util.h"
+
+#define SET_SIZE 1024*4
+
+static int unsigned_compare(const unsigned *a, const unsigned *b) {
+ return CMP(*a, *b);
+}
+
+static void test_unsigned(void) {
+ _cleanup_(prioq_freep) Prioq *q = NULL;
+ unsigned buffer[SET_SIZE], i, u, n;
+
+ srand(0);
+
+ assert_se(q = prioq_new(trivial_compare_func));
+
+ for (i = 0; i < ELEMENTSOF(buffer); i++) {
+ u = (unsigned) rand();
+ buffer[i] = u;
+ assert_se(prioq_put(q, UINT_TO_PTR(u), NULL) >= 0);
+
+ n = prioq_size(q);
+ assert_se(prioq_remove(q, UINT_TO_PTR(u), &n) == 0);
+ }
+
+ typesafe_qsort(buffer, ELEMENTSOF(buffer), unsigned_compare);
+
+ for (i = 0; i < ELEMENTSOF(buffer); i++) {
+ assert_se(prioq_size(q) == ELEMENTSOF(buffer) - i);
+
+ u = PTR_TO_UINT(prioq_pop(q));
+ assert_se(buffer[i] == u);
+ }
+
+ assert_se(prioq_isempty(q));
+}
+
+struct test {
+ unsigned value;
+ unsigned idx;
+};
+
+static int test_compare(const struct test *x, const struct test *y) {
+ return CMP(x->value, y->value);
+}
+
+static void test_hash(const struct test *x, struct siphash *state) {
+ siphash24_compress(&x->value, sizeof(x->value), state);
+}
+
+DEFINE_PRIVATE_HASH_OPS(test_hash_ops, struct test, test_hash, test_compare);
+
+static void test_struct(void) {
+ _cleanup_(prioq_freep) Prioq *q = NULL;
+ _cleanup_(set_freep) Set *s = NULL;
+ unsigned previous = 0, i;
+ struct test *t;
+
+ srand(0);
+
+ assert_se(q = prioq_new((compare_func_t) test_compare));
+ assert_se(s = set_new(&test_hash_ops));
+
+ assert_se(prioq_peek(q) == NULL);
+ assert_se(prioq_peek_by_index(q, 0) == NULL);
+ assert_se(prioq_peek_by_index(q, 1) == NULL);
+ assert_se(prioq_peek_by_index(q, (unsigned) -1) == NULL);
+
+ for (i = 0; i < SET_SIZE; i++) {
+ assert_se(t = new0(struct test, 1));
+ t->value = (unsigned) rand();
+
+ assert_se(prioq_put(q, t, &t->idx) >= 0);
+
+ if (i % 4 == 0)
+ assert_se(set_consume(s, t) >= 0);
+ }
+
+ for (i = 0; i < SET_SIZE; i++)
+ assert_se(prioq_peek_by_index(q, i));
+ assert_se(prioq_peek_by_index(q, SET_SIZE) == NULL);
+
+ unsigned count = 0;
+ PRIOQ_FOREACH_ITEM(q, t) {
+ assert_se(t);
+ count++;
+ }
+ assert_se(count == SET_SIZE);
+
+ while ((t = set_steal_first(s))) {
+ assert_se(prioq_remove(q, t, &t->idx) == 1);
+ assert_se(prioq_remove(q, t, &t->idx) == 0);
+ assert_se(prioq_remove(q, t, NULL) == 0);
+
+ free(t);
+ }
+
+ for (i = 0; i < SET_SIZE * 3 / 4; i++) {
+ assert_se(prioq_size(q) == (SET_SIZE * 3 / 4) - i);
+
+ assert_se(t = prioq_pop(q));
+ assert_se(prioq_remove(q, t, &t->idx) == 0);
+ assert_se(prioq_remove(q, t, NULL) == 0);
+ assert_se(previous <= t->value);
+
+ previous = t->value;
+ free(t);
+ }
+
+ assert_se(prioq_isempty(q));
+ assert_se(set_isempty(s));
+}
+
+int main(int argc, char* argv[]) {
+
+ test_unsigned();
+ test_struct();
+
+ return 0;
+}