Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1008 insertions, 0 deletions

diff --git a/src/test/test-hashmap-plain.c b/src/test/test-hashmap-plain.c
new file mode 100644
index 0000000..152b1c0
--- /dev/null
+++ b/src/test/test-hashmap-plain.c
@@ -0,0 +1,1008 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "alloc-util.h"
+#include "hashmap.h"
+#include "log.h"
+#include "nulstr-util.h"
+#include "stdio-util.h"
+#include "string-util.h"
+#include "strv.h"
+#include "tests.h"
+#include "time-util.h"
+
+TEST(hashmap_replace) {
+        _cleanup_hashmap_free_ Hashmap *m = NULL;
+        _cleanup_free_ char *val1 = NULL, *val2 = NULL, *val3 = NULL, *val4 = NULL, *val5 = NULL;
+        char *r;
+
+        m = hashmap_new(&string_hash_ops);
+
+        val1 = strdup("val1");
+        assert_se(val1);
+        val2 = strdup("val2");
+        assert_se(val2);
+        val3 = strdup("val3");
+        assert_se(val3);
+        val4 = strdup("val4");
+        assert_se(val4);
+        val5 = strdup("val5");
+        assert_se(val5);
+
+        hashmap_put(m, "key 1", val1);
+        hashmap_put(m, "key 2", val2);
+        hashmap_put(m, "key 3", val3);
+        hashmap_put(m, "key 4", val4);
+
+        hashmap_replace(m, "key 3", val1);
+        r = hashmap_get(m, "key 3");
+        assert_se(streq(r, "val1"));
+
+        hashmap_replace(m, "key 5", val5);
+        r = hashmap_get(m, "key 5");
+        assert_se(streq(r, "val5"));
+}
+
+TEST(hashmap_copy) {
+        _cleanup_hashmap_free_ Hashmap *m = NULL;
+        _cleanup_hashmap_free_free_ Hashmap *copy = NULL;
+        char *val1, *val2, *val3, *val4, *r;
+
+        val1 = strdup("val1");
+        assert_se(val1);
+        val2 = strdup("val2");
+        assert_se(val2);
+        val3 = strdup("val3");
+        assert_se(val3);
+        val4 = strdup("val4");
+        assert_se(val4);
+
+        m = hashmap_new(&string_hash_ops);
+
+        hashmap_put(m, "key 1", val1);
+        hashmap_put(m, "key 2", val2);
+        hashmap_put(m, "key 3", val3);
+        hashmap_put(m, "key 4", val4);
+
+        copy = hashmap_copy(m);
+
+        r = hashmap_get(copy, "key 1");
+        assert_se(streq(r, "val1"));
+        r = hashmap_get(copy, "key 2");
+        assert_se(streq(r, "val2"));
+        r = hashmap_get(copy, "key 3");
+        assert_se(streq(r, "val3"));
+        r = hashmap_get(copy, "key 4");
+        assert_se(streq(r, "val4"));
+}
+
+TEST(hashmap_get_strv) {
+        _cleanup_hashmap_free_ Hashmap *m = NULL;
+        _cleanup_strv_free_ char **strv = NULL;
+        char *val1, *val2, *val3, *val4;
+
+        val1 = strdup("val1");
+        assert_se(val1);
+        val2 = strdup("val2");
+        assert_se(val2);
+        val3 = strdup("val3");
+        assert_se(val3);
+        val4 = strdup("val4");
+        assert_se(val4);
+
+        m = hashmap_new(&string_hash_ops);
+
+        hashmap_put(m, "key 1", val1);
+        hashmap_put(m, "key 2", val2);
+        hashmap_put(m, "key 3", val3);
+        hashmap_put(m, "key 4", val4);
+
+        strv = hashmap_get_strv(m);
+
+#ifndef ORDERED
+        strv = strv_sort(strv);
+#endif
+
+        assert_se(streq(strv[0], "val1"));
+        assert_se(streq(strv[1], "val2"));
+        assert_se(streq(strv[2], "val3"));
+        assert_se(streq(strv[3], "val4"));
+}
+
+TEST(hashmap_move_one) {
+        _cleanup_hashmap_free_free_ Hashmap *m = NULL, *n = NULL;
+        char *val1, *val2, *val3, *val4, *r;
+
+        val1 = strdup("val1");
+        assert_se(val1);
+        val2 = strdup("val2");
+        assert_se(val2);
+        val3 = strdup("val3");
+        assert_se(val3);
+        val4 = strdup("val4");
+        assert_se(val4);
+
+        m = hashmap_new(&string_hash_ops);
+        n = hashmap_new(&string_hash_ops);
+
+        hashmap_put(m, "key 1", val1);
+        hashmap_put(m, "key 2", val2);
+        hashmap_put(m, "key 3", val3);
+        hashmap_put(m, "key 4", val4);
+
+        assert_se(hashmap_move_one(n, NULL, "key 3") == -ENOENT);
+        assert_se(hashmap_move_one(n, m, "key 5") == -ENOENT);
+        assert_se(hashmap_move_one(n, m, "key 3") == 0);
+        assert_se(hashmap_move_one(n, m, "key 4") == 0);
+
+        r = hashmap_get(n, "key 3");
+        assert_se(r && streq(r, "val3"));
+        r = hashmap_get(n, "key 4");
+        assert_se(r && streq(r, "val4"));
+        r = hashmap_get(m, "key 3");
+        assert_se(!r);
+
+        assert_se(hashmap_move_one(n, m, "key 3") == -EEXIST);
+}
+
+TEST(hashmap_move) {
+        _cleanup_hashmap_free_free_ Hashmap *m = NULL, *n = NULL;
+        char *val1, *val2, *val3, *val4, *r;
+
+        val1 = strdup("val1");
+        assert_se(val1);
+        val2 = strdup("val2");
+        assert_se(val2);
+        val3 = strdup("val3");
+        assert_se(val3);
+        val4 = strdup("val4");
+        assert_se(val4);
+
+        m = hashmap_new(&string_hash_ops);
+        n = hashmap_new(&string_hash_ops);
+
+        hashmap_put(n, "key 1", strdup(val1));
+        hashmap_put(m, "key 1", val1);
+        hashmap_put(m, "key 2", val2);
+        hashmap_put(m, "key 3", val3);
+        hashmap_put(m, "key 4", val4);
+
+        assert_se(hashmap_move(n, NULL) == 0);
+        assert_se(hashmap_move(n, m) == 0);
+
+        assert_se(hashmap_size(m) == 1);
+        r = hashmap_get(m, "key 1");
+        assert_se(r && streq(r, "val1"));
+
+        r = hashmap_get(n, "key 1");
+        assert_se(r && streq(r, "val1"));
+        r = hashmap_get(n, "key 2");
+        assert_se(r && streq(r, "val2"));
+        r = hashmap_get(n, "key 3");
+        assert_se(r && streq(r, "val3"));
+        r = hashmap_get(n, "key 4");
+        assert_se(r && streq(r, "val4"));
+}
+
+TEST(hashmap_update) {
+        _cleanup_hashmap_free_ Hashmap *m = NULL;
+        _cleanup_free_ char *val1 = NULL, *val2 = NULL;
+        char *r;
+
+        m = hashmap_new(&string_hash_ops);
+        val1 = strdup("old_value");
+        assert_se(val1);
+        val2 = strdup("new_value");
+        assert_se(val2);
+
+        hashmap_put(m, "key 1", val1);
+        r = hashmap_get(m, "key 1");
+        assert_se(streq(r, "old_value"));
+
+        assert_se(hashmap_update(m, "key 2", val2) == -ENOENT);
+        r = hashmap_get(m, "key 1");
+        assert_se(streq(r, "old_value"));
+
+        assert_se(hashmap_update(m, "key 1", val2) == 0);
+        r = hashmap_get(m, "key 1");
+        assert_se(streq(r, "new_value"));
+}
+
+TEST(hashmap_put) {
+        _cleanup_hashmap_free_ Hashmap *m = NULL;
+        int valid_hashmap_put;
+        void *val1 = (void*) "val 1";
+        void *val2 = (void*) "val 2";
+        _cleanup_free_ char* key1 = NULL;
+
+        assert_se(hashmap_ensure_allocated(&m, &string_hash_ops) == 1);
+        assert_se(m);
+
+        valid_hashmap_put = hashmap_put(m, "key 1", val1);
+        assert_se(valid_hashmap_put == 1);
+        assert_se(hashmap_put(m, "key 1", val1) == 0);
+        assert_se(hashmap_put(m, "key 1", val2) == -EEXIST);
+        key1 = strdup("key 1");
+        assert_se(hashmap_put(m, key1, val1) == 0);
+        assert_se(hashmap_put(m, key1, val2) == -EEXIST);
+}
+
+TEST(hashmap_remove1) {
+        _cleanup_hashmap_free_ Hashmap *m = NULL;
+        char *r;
+
+        r = hashmap_remove(NULL, "key 1");
+        assert_se(r == NULL);
+
+        m = hashmap_new(&string_hash_ops);
+        assert_se(m);
+
+        r = hashmap_remove(m, "no such key");
+        assert_se(r == NULL);
+
+        hashmap_put(m, "key 1", (void*) "val 1");
+        hashmap_put(m, "key 2", (void*) "val 2");
+
+        r = hashmap_remove(m, "key 1");
+        assert_se(streq(r, "val 1"));
+
+        r = hashmap_get(m, "key 2");
+        assert_se(streq(r, "val 2"));
+        assert_se(!hashmap_get(m, "key 1"));
+}
+
+TEST(hashmap_remove2) {
+        _cleanup_hashmap_free_free_free_ Hashmap *m = NULL;
+        char key1[] = "key 1";
+        char key2[] = "key 2";
+        char val1[] = "val 1";
+        char val2[] = "val 2";
+        void *r, *r2;
+
+        r = hashmap_remove2(NULL, "key 1", &r2);
+        assert_se(r == NULL);
+
+        m = hashmap_new(&string_hash_ops);
+        assert_se(m);
+
+        r = hashmap_remove2(m, "no such key", &r2);
+        assert_se(r == NULL);
+
+        hashmap_put(m, strdup(key1), strdup(val1));
+        hashmap_put(m, strdup(key2), strdup(val2));
+
+        r = hashmap_remove2(m, key1, &r2);
+        assert_se(streq(r, val1));
+        assert_se(streq(r2, key1));
+        free(r);
+        free(r2);
+
+        r = hashmap_get(m, key2);
+        assert_se(streq(r, val2));
+        assert_se(!hashmap_get(m, key1));
+}
+
+TEST(hashmap_remove_value) {
+        _cleanup_hashmap_free_ Hashmap *m = NULL;
+        char *r;
+
+        char val1[] = "val 1";
+        char val2[] = "val 2";
+
+        r = hashmap_remove_value(NULL, "key 1", val1);
+        assert_se(r == NULL);
+
+        m = hashmap_new(&string_hash_ops);
+        assert_se(m);
+
+        r = hashmap_remove_value(m, "key 1", val1);
+        assert_se(r == NULL);
+
+        hashmap_put(m, "key 1", val1);
+        hashmap_put(m, "key 2", val2);
+
+        r = hashmap_remove_value(m, "key 1", val1);
+        assert_se(streq(r, "val 1"));
+
+        r = hashmap_get(m, "key 2");
+        assert_se(streq(r, "val 2"));
+        assert_se(!hashmap_get(m, "key 1"));
+
+        r = hashmap_remove_value(m, "key 2", val1);
+        assert_se(r == NULL);
+
+        r = hashmap_get(m, "key 2");
+        assert_se(streq(r, "val 2"));
+        assert_se(!hashmap_get(m, "key 1"));
+}
+
+TEST(hashmap_remove_and_put) {
+        _cleanup_hashmap_free_ Hashmap *m = NULL;
+        int valid;
+        char *r;
+
+        m = hashmap_new(&string_hash_ops);
+        assert_se(m);
+
+        valid = hashmap_remove_and_put(m, "invalid key", "new key", NULL);
+        assert_se(valid == -ENOENT);
+
+        valid = hashmap_put(m, "key 1", (void*) (const char *) "val 1");
+        assert_se(valid == 1);
+
+        valid = hashmap_remove_and_put(NULL, "key 1", "key 2", (void*) (const char *) "val 2");
+        assert_se(valid == -ENOENT);
+
+        valid = hashmap_remove_and_put(m, "key 1", "key 2", (void*) (const char *) "val 2");
+        assert_se(valid == 0);
+
+        r = hashmap_get(m, "key 2");
+        assert_se(streq(r, "val 2"));
+        assert_se(!hashmap_get(m, "key 1"));
+
+        valid = hashmap_put(m, "key 3", (void*) (const char *) "val 3");
+        assert_se(valid == 1);
+        valid = hashmap_remove_and_put(m, "key 3", "key 2", (void*) (const char *) "val 2");
+        assert_se(valid == -EEXIST);
+}
+
+TEST(hashmap_remove_and_replace) {
+        _cleanup_hashmap_free_ Hashmap *m = NULL;
+        int valid;
+        void *key1 = UINT_TO_PTR(1);
+        void *key2 = UINT_TO_PTR(2);
+        void *key3 = UINT_TO_PTR(3);
+        void *r;
+        int i, j;
+
+        m = hashmap_new(&trivial_hash_ops);
+        assert_se(m);
+
+        valid = hashmap_remove_and_replace(m, key1, key2, NULL);
+        assert_se(valid == -ENOENT);
+
+        valid = hashmap_put(m, key1, key1);
+        assert_se(valid == 1);
+
+        valid = hashmap_remove_and_replace(NULL, key1, key2, key2);
+        assert_se(valid == -ENOENT);
+
+        valid = hashmap_remove_and_replace(m, key1, key2, key2);
+        assert_se(valid == 0);
+
+        r = hashmap_get(m, key2);
+        assert_se(r == key2);
+        assert_se(!hashmap_get(m, key1));
+
+        valid = hashmap_put(m, key3, key3);
+        assert_se(valid == 1);
+        valid = hashmap_remove_and_replace(m, key3, key2, key2);
+        assert_se(valid == 0);
+        r = hashmap_get(m, key2);
+        assert_se(r == key2);
+        assert_se(!hashmap_get(m, key3));
+
+        /* Repeat this test several times to increase the chance of hitting
+         * the less likely case in hashmap_remove_and_replace where it
+         * compensates for the backward shift. */
+        for (i = 0; i < 20; i++) {
+                hashmap_clear(m);
+
+                for (j = 1; j < 7; j++)
+                        hashmap_put(m, UINT_TO_PTR(10*i + j), UINT_TO_PTR(10*i + j));
+                valid = hashmap_remove_and_replace(m, UINT_TO_PTR(10*i + 1),
+                                                   UINT_TO_PTR(10*i + 2),
+                                                   UINT_TO_PTR(10*i + 2));
+                assert_se(valid == 0);
+                assert_se(!hashmap_get(m, UINT_TO_PTR(10*i + 1)));
+                for (j = 2; j < 7; j++) {
+                        r = hashmap_get(m, UINT_TO_PTR(10*i + j));
+                        assert_se(r == UINT_TO_PTR(10*i + j));
+                }
+        }
+}
+
+TEST(hashmap_ensure_allocated) {
+        _cleanup_hashmap_free_ Hashmap *m = NULL;
+        int r;
+
+        r = hashmap_ensure_allocated(&m, &string_hash_ops);
+        assert_se(r == 1);
+
+        r = hashmap_ensure_allocated(&m, &string_hash_ops);
+        assert_se(r == 0);
+
+        /* different hash ops shouldn't matter at this point */
+        r = hashmap_ensure_allocated(&m, &trivial_hash_ops);
+        assert_se(r == 0);
+}
+
+TEST(hashmap_foreach_key) {
+        _cleanup_hashmap_free_ Hashmap *m = NULL;
+        bool key_found[] = { false, false, false, false };
+        const char *s;
+        const char *key;
+        static const char key_table[] =
+                "key 1\0"
+                "key 2\0"
+                "key 3\0"
+                "key 4\0";
+
+        m = hashmap_new(&string_hash_ops);
+
+        NULSTR_FOREACH(k, key_table)
+                hashmap_put(m, k, (void*) (const char*) "my dummy val");
+
+        HASHMAP_FOREACH_KEY(s, key, m) {
+                assert_se(s);
+                if (!key_found[0] && streq(key, "key 1"))
+                        key_found[0] = true;
+                else if (!key_found[1] && streq(key, "key 2"))
+                        key_found[1] = true;
+                else if (!key_found[2] && streq(key, "key 3"))
+                        key_found[2] = true;
+                else if (!key_found[3] && streq(key, "fail"))
+                        key_found[3] = true;
+        }
+
+        assert_se(m);
+        assert_se(key_found[0] && key_found[1] && key_found[2] && !key_found[3]);
+}
+
+TEST(hashmap_foreach) {
+        _cleanup_hashmap_free_free_ Hashmap *m = NULL;
+        bool value_found[] = { false, false, false, false };
+        char *val1, *val2, *val3, *val4, *s;
+        unsigned count;
+
+        val1 = strdup("my val1");
+        assert_se(val1);
+        val2 = strdup("my val2");
+        assert_se(val2);
+        val3 = strdup("my val3");
+        assert_se(val3);
+        val4 = strdup("my val4");
+        assert_se(val4);
+
+        count = 0;
+        HASHMAP_FOREACH(s, m)
+                count++;
+        assert_se(count == 0);
+
+        m = hashmap_new(&string_hash_ops);
+
+        count = 0;
+        HASHMAP_FOREACH(s, m)
+                count++;
+        assert_se(count == 0);
+
+        hashmap_put(m, "Key 1", val1);
+        hashmap_put(m, "Key 2", val2);
+        hashmap_put(m, "Key 3", val3);
+        hashmap_put(m, "Key 4", val4);
+
+        HASHMAP_FOREACH(s, m) {
+                if (!value_found[0] && streq(s, val1))
+                        value_found[0] = true;
+                else if (!value_found[1] && streq(s, val2))
+                        value_found[1] = true;
+                else if (!value_found[2] && streq(s, val3))
+                        value_found[2] = true;
+                else if (!value_found[3] && streq(s, val4))
+                        value_found[3] = true;
+        }
+
+        assert_se(m);
+        assert_se(value_found[0] && value_found[1] && value_found[2] && value_found[3]);
+}
+
+TEST(hashmap_merge) {
+        _cleanup_hashmap_free_free_ Hashmap *m = NULL;
+        _cleanup_hashmap_free_ Hashmap *n = NULL;
+        char *val1, *val2, *val3, *val4, *r;
+
+        val1 = strdup("my val1");
+        assert_se(val1);
+        val2 = strdup("my val2");
+        assert_se(val2);
+        val3 = strdup("my val3");
+        assert_se(val3);
+        val4 = strdup("my val4");
+        assert_se(val4);
+
+        m = hashmap_new(&string_hash_ops);
+        n = hashmap_new(&string_hash_ops);
+
+        hashmap_put(m, "Key 1", val1);
+        hashmap_put(m, "Key 2", val2);
+        hashmap_put(n, "Key 3", val3);
+        hashmap_put(n, "Key 4", val4);
+
+        assert_se(hashmap_merge(m, n) == 0);
+        r = hashmap_get(m, "Key 3");
+        assert_se(r && streq(r, "my val3"));
+        r = hashmap_get(m, "Key 4");
+        assert_se(r && streq(r, "my val4"));
+
+        assert_se(m);
+        assert_se(n);
+}
+
+TEST(hashmap_contains) {
+        _cleanup_hashmap_free_free_ Hashmap *m = NULL;
+        char *val1;
+
+        val1 = strdup("my val");
+        assert_se(val1);
+
+        m = hashmap_new(&string_hash_ops);
+
+        assert_se(!hashmap_contains(m, "Key 1"));
+        hashmap_put(m, "Key 1", val1);
+        assert_se(hashmap_contains(m, "Key 1"));
+        assert_se(!hashmap_contains(m, "Key 2"));
+
+        assert_se(!hashmap_contains(NULL, "Key 1"));
+
+        assert_se(m);
+}
+
+TEST(hashmap_isempty) {
+        _cleanup_hashmap_free_free_ Hashmap *m = NULL;
+        char *val1;
+
+        val1 = strdup("my val");
+        assert_se(val1);
+
+        m = hashmap_new(&string_hash_ops);
+
+        assert_se(hashmap_isempty(m));
+        hashmap_put(m, "Key 1", val1);
+        assert_se(!hashmap_isempty(m));
+
+        assert_se(m);
+}
+
+TEST(hashmap_size) {
+        _cleanup_hashmap_free_free_ Hashmap *m = NULL;
+        char *val1, *val2, *val3, *val4;
+
+        val1 = strdup("my val");
+        assert_se(val1);
+        val2 = strdup("my val");
+        assert_se(val2);
+        val3 = strdup("my val");
+        assert_se(val3);
+        val4 = strdup("my val");
+        assert_se(val4);
+
+        assert_se(hashmap_size(NULL) == 0);
+        assert_se(hashmap_buckets(NULL) == 0);
+
+        m = hashmap_new(&string_hash_ops);
+
+        hashmap_put(m, "Key 1", val1);
+        hashmap_put(m, "Key 2", val2);
+        hashmap_put(m, "Key 3", val3);
+        hashmap_put(m, "Key 4", val4);
+
+        assert_se(m);
+        assert_se(hashmap_size(m) == 4);
+        assert_se(hashmap_buckets(m) >= 4);
+}
+
+TEST(hashmap_get) {
+        _cleanup_hashmap_free_free_ Hashmap *m = NULL;
+        char *r;
+        char *val;
+
+        val = strdup("my val");
+        assert_se(val);
+
+        r = hashmap_get(NULL, "Key 1");
+        assert_se(r == NULL);
+
+        m = hashmap_new(&string_hash_ops);
+
+        hashmap_put(m, "Key 1", val);
+
+        r = hashmap_get(m, "Key 1");
+        assert_se(streq(r, val));
+
+        r = hashmap_get(m, "no such key");
+        assert_se(r == NULL);
+
+        assert_se(m);
+}
+
+TEST(hashmap_get2) {
+        _cleanup_(hashmap_free_free_freep) Hashmap *m = NULL;
+        char *r;
+        char *val;
+        char key_orig[] = "Key 1";
+        void *key_copy;
+
+        val = strdup("my val");
+        assert_se(val);
+
+        key_copy = strdup(key_orig);
+        assert_se(key_copy);
+
+        r = hashmap_get2(NULL, key_orig, &key_copy);
+        assert_se(r == NULL);
+
+        m = hashmap_new(&string_hash_ops);
+
+        hashmap_put(m, key_copy, val);
+        key_copy = NULL;
+
+        r = hashmap_get2(m, key_orig, &key_copy);
+        assert_se(streq(r, val));
+        assert_se(key_orig != key_copy);
+        assert_se(streq(key_orig, key_copy));
+
+        r = hashmap_get2(m, "no such key", NULL);
+        assert_se(r == NULL);
+
+        assert_se(m);
+}
+
+static void crippled_hashmap_func(const void *p, struct siphash *state) {
+        return trivial_hash_func(INT_TO_PTR(PTR_TO_INT(p) & 0xff), state);
+}
+
+static const struct hash_ops crippled_hashmap_ops = {
+        .hash = crippled_hashmap_func,
+        .compare = trivial_compare_func,
+};
+
+TEST(hashmap_many) {
+        Hashmap *h;
+        unsigned i, j;
+        void *v, *k;
+        bool slow = slow_tests_enabled();
+        const struct {
+                const char *title;
+                const struct hash_ops *ops;
+                unsigned n_entries;
+        } tests[] = {
+                { "trivial_hashmap_ops",  NULL,                  slow ? 1 << 20 : 240 },
+                { "crippled_hashmap_ops", &crippled_hashmap_ops, slow ? 1 << 14 : 140 },
+        };
+
+        log_info("/* %s (%s) */", __func__, slow ? "slow" : "fast");
+
+        for (j = 0; j < ELEMENTSOF(tests); j++) {
+                usec_t ts = now(CLOCK_MONOTONIC), n;
+
+                assert_se(h = hashmap_new(tests[j].ops));
+
+                for (i = 1; i < tests[j].n_entries*3; i+=3) {
+                        assert_se(hashmap_put(h, UINT_TO_PTR(i), UINT_TO_PTR(i)) >= 0);
+                        assert_se(PTR_TO_UINT(hashmap_get(h, UINT_TO_PTR(i))) == i);
+                }
+
+                for (i = 1; i < tests[j].n_entries*3; i++)
+                        assert_se(hashmap_contains(h, UINT_TO_PTR(i)) == (i % 3 == 1));
+
+                log_info("%s %u <= %u * 0.8 = %g",
+                         tests[j].title, hashmap_size(h), hashmap_buckets(h), hashmap_buckets(h) * 0.8);
+
+                assert_se(hashmap_size(h) <= hashmap_buckets(h) * 0.8);
+                assert_se(hashmap_size(h) == tests[j].n_entries);
+
+                while (!hashmap_isempty(h)) {
+                        k = hashmap_first_key(h);
+                        v = hashmap_remove(h, k);
+                        assert_se(v == k);
+                }
+
+                hashmap_free(h);
+
+                n = now(CLOCK_MONOTONIC);
+                log_info("test took %s", FORMAT_TIMESPAN(n - ts, 0));
+        }
+}
+
+extern unsigned custom_counter;
+extern const struct hash_ops boring_hash_ops, custom_hash_ops;
+
+TEST(hashmap_free) {
+        Hashmap *h;
+        bool slow = slow_tests_enabled();
+        usec_t ts, n;
+        unsigned n_entries = slow ? 1 << 20 : 240;
+
+        const struct {
+                const char *title;
+                const struct hash_ops *ops;
+                unsigned expect_counter;
+        } tests[] = {
+                { "string_hash_ops",      &boring_hash_ops, 2 * n_entries},
+                { "custom_free_hash_ops", &custom_hash_ops, 0 },
+        };
+
+        log_info("/* %s (%s, %u entries) */", __func__, slow ? "slow" : "fast", n_entries);
+
+        for (unsigned j = 0; j < ELEMENTSOF(tests); j++) {
+                ts = now(CLOCK_MONOTONIC);
+                assert_se(h = hashmap_new(tests[j].ops));
+
+                custom_counter = 0;
+                for (unsigned i = 0; i < n_entries; i++) {
+                        char s[DECIMAL_STR_MAX(unsigned)];
+                        char *k, *v;
+
+                        xsprintf(s, "%u", i);
+                        assert_se(k = strdup(s));
+                        assert_se(v = strdup(s));
+                        custom_counter += 2;
+
+                        assert_se(hashmap_put(h, k, v) >= 0);
+                }
+
+                hashmap_free(h);
+
+                n = now(CLOCK_MONOTONIC);
+                log_info("%s test took %s", tests[j].title, FORMAT_TIMESPAN(n - ts, 0));
+
+                assert_se(custom_counter == tests[j].expect_counter);
+        }
+}
+
+typedef struct Item {
+        int seen;
+} Item;
+static void item_seen(Item *item) {
+        item->seen++;
+}
+
+TEST(hashmap_free_with_destructor) {
+        Hashmap *m;
+        struct Item items[4] = {};
+        unsigned i;
+
+        assert_se(m = hashmap_new(NULL));
+        for (i = 0; i < ELEMENTSOF(items) - 1; i++)
+                assert_se(hashmap_put(m, INT_TO_PTR(i), items + i) == 1);
+
+        m = hashmap_free_with_destructor(m, item_seen);
+        assert_se(items[0].seen == 1);
+        assert_se(items[1].seen == 1);
+        assert_se(items[2].seen == 1);
+        assert_se(items[3].seen == 0);
+}
+
+TEST(hashmap_first) {
+        _cleanup_hashmap_free_ Hashmap *m = NULL;
+
+        m = hashmap_new(&string_hash_ops);
+        assert_se(m);
+
+        assert_se(!hashmap_first(m));
+        assert_se(hashmap_put(m, "key 1", (void*) "val 1") == 1);
+        assert_se(streq(hashmap_first(m), "val 1"));
+        assert_se(hashmap_put(m, "key 2", (void*) "val 2") == 1);
+#ifdef ORDERED
+        assert_se(streq(hashmap_first(m), "val 1"));
+        assert_se(hashmap_remove(m, "key 1"));
+        assert_se(streq(hashmap_first(m), "val 2"));
+#endif
+}
+
+TEST(hashmap_first_key) {
+        _cleanup_hashmap_free_ Hashmap *m = NULL;
+
+        m = hashmap_new(&string_hash_ops);
+        assert_se(m);
+
+        assert_se(!hashmap_first_key(m));
+        assert_se(hashmap_put(m, "key 1", NULL) == 1);
+        assert_se(streq(hashmap_first_key(m), "key 1"));
+        assert_se(hashmap_put(m, "key 2", NULL) == 1);
+#ifdef ORDERED
+        assert_se(streq(hashmap_first_key(m), "key 1"));
+        assert_se(hashmap_remove(m, "key 1") == NULL);
+        assert_se(streq(hashmap_first_key(m), "key 2"));
+#endif
+}
+
+TEST(hashmap_steal_first_key) {
+        _cleanup_hashmap_free_ Hashmap *m = NULL;
+
+        m = hashmap_new(&string_hash_ops);
+        assert_se(m);
+
+        assert_se(!hashmap_steal_first_key(m));
+        assert_se(hashmap_put(m, "key 1", NULL) == 1);
+        assert_se(streq(hashmap_steal_first_key(m), "key 1"));
+
+        assert_se(hashmap_isempty(m));
+}
+
+TEST(hashmap_steal_first) {
+        _cleanup_hashmap_free_ Hashmap *m = NULL;
+        int seen[3] = {};
+        char *val;
+
+        m = hashmap_new(&string_hash_ops);
+        assert_se(m);
+
+        assert_se(hashmap_put(m, "key 1", (void*) "1") == 1);
+        assert_se(hashmap_put(m, "key 2", (void*) "22") == 1);
+        assert_se(hashmap_put(m, "key 3", (void*) "333") == 1);
+
+        while ((val = hashmap_steal_first(m)))
+                seen[strlen(val) - 1]++;
+
+        assert_se(seen[0] == 1 && seen[1] == 1 && seen[2] == 1);
+
+        assert_se(hashmap_isempty(m));
+}
+
+TEST(hashmap_clear_free_free) {
+        _cleanup_hashmap_free_ Hashmap *m = NULL;
+
+        m = hashmap_new(&string_hash_ops);
+        assert_se(m);
+
+        assert_se(hashmap_put(m, strdup("key 1"), NULL) == 1);
+        assert_se(hashmap_put(m, strdup("key 2"), NULL) == 1);
+        assert_se(hashmap_put(m, strdup("key 3"), NULL) == 1);
+
+        hashmap_clear_free_free(m);
+        assert_se(hashmap_isempty(m));
+
+        assert_se(hashmap_put(m, strdup("key 1"), strdup("value 1")) == 1);
+        assert_se(hashmap_put(m, strdup("key 2"), strdup("value 2")) == 1);
+        assert_se(hashmap_put(m, strdup("key 3"), strdup("value 3")) == 1);
+
+        hashmap_clear_free_free(m);
+        assert_se(hashmap_isempty(m));
+}
+
+DEFINE_PRIVATE_HASH_OPS_WITH_KEY_DESTRUCTOR(test_hash_ops_key, char, string_hash_func, string_compare_func, free);
+DEFINE_PRIVATE_HASH_OPS_FULL(test_hash_ops_full, char, string_hash_func, string_compare_func, free, char, free);
+
+TEST(hashmap_clear_free_with_destructor) {
+        _cleanup_hashmap_free_ Hashmap *m = NULL;
+
+        m = hashmap_new(&test_hash_ops_key);
+        assert_se(m);
+
+        assert_se(hashmap_put(m, strdup("key 1"), NULL) == 1);
+        assert_se(hashmap_put(m, strdup("key 2"), NULL) == 1);
+        assert_se(hashmap_put(m, strdup("key 3"), NULL) == 1);
+
+        hashmap_clear_free(m);
+        assert_se(hashmap_isempty(m));
+        m = hashmap_free(m);
+
+        m = hashmap_new(&test_hash_ops_full);
+        assert_se(m);
+
+        assert_se(hashmap_put(m, strdup("key 1"), strdup("value 1")) == 1);
+        assert_se(hashmap_put(m, strdup("key 2"), strdup("value 2")) == 1);
+        assert_se(hashmap_put(m, strdup("key 3"), strdup("value 3")) == 1);
+
+        hashmap_clear_free(m);
+        assert_se(hashmap_isempty(m));
+}
+
+TEST(hashmap_reserve) {
+        _cleanup_hashmap_free_ Hashmap *m = NULL;
+
+        m = hashmap_new(&string_hash_ops);
+
+        assert_se(hashmap_reserve(m, 1) == 0);
+        assert_se(hashmap_buckets(m) < 1000);
+        assert_se(hashmap_reserve(m, 1000) == 0);
+        assert_se(hashmap_buckets(m) >= 1000);
+        assert_se(hashmap_isempty(m));
+
+        assert_se(hashmap_put(m, "key 1", (void*) "val 1") == 1);
+
+        assert_se(hashmap_reserve(m, UINT_MAX) == -ENOMEM);
+        assert_se(hashmap_reserve(m, UINT_MAX - 1) == -ENOMEM);
+}
+
+TEST(path_hashmap) {
+        _cleanup_hashmap_free_ Hashmap *h = NULL;
+
+        assert_se(h = hashmap_new(&path_hash_ops));
+
+        assert_se(hashmap_put(h, "foo", INT_TO_PTR(1)) >= 0);
+        assert_se(hashmap_put(h, "/foo", INT_TO_PTR(2)) >= 0);
+        assert_se(hashmap_put(h, "//foo", INT_TO_PTR(3)) == -EEXIST);
+        assert_se(hashmap_put(h, "//foox/", INT_TO_PTR(4)) >= 0);
+        assert_se(hashmap_put(h, "/foox////", INT_TO_PTR(5)) == -EEXIST);
+        assert_se(hashmap_put(h, "//././/foox//.//.", INT_TO_PTR(5)) == -EEXIST);
+        assert_se(hashmap_put(h, "foo//////bar/quux//", INT_TO_PTR(6)) >= 0);
+        assert_se(hashmap_put(h, "foo/bar//quux/", INT_TO_PTR(8)) == -EEXIST);
+        assert_se(hashmap_put(h, "foo./ba.r//.quux/", INT_TO_PTR(9)) >= 0);
+        assert_se(hashmap_put(h, "foo./ba.r//.//.quux///./", INT_TO_PTR(10)) == -EEXIST);
+
+        assert_se(hashmap_get(h, "foo") == INT_TO_PTR(1));
+        assert_se(hashmap_get(h, "foo/") == INT_TO_PTR(1));
+        assert_se(hashmap_get(h, "foo////") == INT_TO_PTR(1));
+        assert_se(hashmap_get(h, "/foo") == INT_TO_PTR(2));
+        assert_se(hashmap_get(h, "//foo") == INT_TO_PTR(2));
+        assert_se(hashmap_get(h, "/////foo////") == INT_TO_PTR(2));
+        assert_se(hashmap_get(h, "/////foox////") == INT_TO_PTR(4));
+        assert_se(hashmap_get(h, "/.///./foox//.//") == INT_TO_PTR(4));
+        assert_se(hashmap_get(h, "/foox/") == INT_TO_PTR(4));
+        assert_se(hashmap_get(h, "/foox") == INT_TO_PTR(4));
+        assert_se(!hashmap_get(h, "foox"));
+        assert_se(hashmap_get(h, "foo/bar/quux") == INT_TO_PTR(6));
+        assert_se(hashmap_get(h, "foo////bar////quux/////") == INT_TO_PTR(6));
+        assert_se(!hashmap_get(h, "/foo////bar////quux/////"));
+        assert_se(hashmap_get(h, "foo././//ba.r////.quux///.//.") == INT_TO_PTR(9));
+}
+
+TEST(string_strv_hashmap) {
+        _cleanup_hashmap_free_ Hashmap *m = NULL;
+        char **s;
+
+        assert_se(string_strv_hashmap_put(&m, "foo", "bar") == 1);
+        assert_se(string_strv_hashmap_put(&m, "foo", "bar") == 0);
+        assert_se(string_strv_hashmap_put(&m, "foo", "BAR") == 1);
+        assert_se(string_strv_hashmap_put(&m, "foo", "BAR") == 0);
+        assert_se(string_strv_hashmap_put(&m, "foo", "bar") == 0);
+        assert_se(hashmap_contains(m, "foo"));
+
+        s = hashmap_get(m, "foo");
+        assert_se(strv_equal(s, STRV_MAKE("bar", "BAR")));
+
+        assert_se(string_strv_hashmap_put(&m, "xxx", "bar") == 1);
+        assert_se(string_strv_hashmap_put(&m, "xxx", "bar") == 0);
+        assert_se(string_strv_hashmap_put(&m, "xxx", "BAR") == 1);
+        assert_se(string_strv_hashmap_put(&m, "xxx", "BAR") == 0);
+        assert_se(string_strv_hashmap_put(&m, "xxx", "bar") == 0);
+        assert_se(hashmap_contains(m, "xxx"));
+
+        s = hashmap_get(m, "xxx");
+        assert_se(strv_equal(s, STRV_MAKE("bar", "BAR")));
+}
+
+TEST(hashmap_dump_sorted) {
+        static void * const expected[] = { UINT_TO_PTR(123U), UINT_TO_PTR(12U), UINT_TO_PTR(345U), };
+        _cleanup_hashmap_free_ Hashmap *m = NULL;
+        _cleanup_free_ void **vals = NULL;
+        size_t n;
+
+        assert_se(m = hashmap_new(&string_hash_ops));
+
+        assert_se(hashmap_dump_sorted(m, &vals, &n) >= 0);
+        assert_se(n == 0);
+        assert_se(!vals);
+
+        assert_se(hashmap_put(m, "key 0", expected[0]) == 1);
+        assert_se(hashmap_put(m, "key 1", expected[1]) == 1);
+        assert_se(hashmap_put(m, "key 2", expected[2]) == 1);
+
+        assert_se(hashmap_dump_sorted(m, &vals, &n) >= 0);
+        assert_se(n == ELEMENTSOF(expected));
+        assert_se(memcmp(vals, expected, n * sizeof(void*)) == 0);
+
+        vals = mfree(vals);
+        m = hashmap_free(m);
+
+        assert_se(m = hashmap_new(NULL));
+
+        assert_se(hashmap_dump_sorted(m, &vals, &n) >= 0);
+        assert_se(n == 0);
+        assert_se(!vals);
+
+        assert_se(hashmap_put(m, UINT_TO_PTR(333U), expected[2]) == 1);
+        assert_se(hashmap_put(m, UINT_TO_PTR(222U), expected[1]) == 1);
+        assert_se(hashmap_put(m, UINT_TO_PTR(111U), expected[0]) == 1);
+
+        assert_se(hashmap_dump_sorted(m, &vals, &n) >= 0);
+        assert_se(n == ELEMENTSOF(expected));
+        assert_se(memcmp(vals, expected, n * sizeof(void*)) == 0);
+}
+
+/* Signal to test-hashmap.c that tests from this compilation unit were run. */
+extern int n_extern_tests_run;
+TEST(ensure_extern_hashmap_tests) {
+        n_extern_tests_run++;
+}