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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 02:25:50 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 02:25:50 +0000 |
commit | 19f4f86bfed21c5326ed2acebe1163f3a83e832b (patch) | |
tree | d59b9989ce55ed23693e80974d94c856f1c2c8b1 /src/test/test-prioq.c | |
parent | Initial commit. (diff) | |
download | systemd-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.c | 128 |
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; +} |