Merge https://salsa.debian.org/debian/libgit2 into proxmox/bullseye

[libgit2.git] / tests / util / strmap.c

diff --git a/tests/util/strmap.c b/tests/util/strmap.c
new file mode 100644 (file)
index 0000000..c4f5c86
--- /dev/null
+++ b/tests/util/strmap.c
@@ -0,0 +1,190 @@
+#include "clar_libgit2.h"
+#include "strmap.h"
+
+static git_strmap *g_table;
+
+void test_strmap__initialize(void)
+{
+       cl_git_pass(git_strmap_new(&g_table));
+       cl_assert(g_table != NULL);
+}
+
+void test_strmap__cleanup(void)
+{
+       git_strmap_free(g_table);
+}
+
+void test_strmap__0(void)
+{
+       cl_assert(git_strmap_size(g_table) == 0);
+}
+
+static void insert_strings(git_strmap *table, size_t count)
+{
+       size_t i, j, over;
+       char *str;
+
+       for (i = 0; i < count; ++i) {
+               str = malloc(10);
+               for (j = 0; j < 10; ++j)
+                       str[j] = 'a' + (i % 26);
+               str[9] = '\0';
+
+               /* if > 26, then encode larger value in first letters */
+               for (j = 0, over = i / 26; over > 0; j++, over = over / 26)
+                       str[j] = 'A' + (over % 26);
+
+               cl_git_pass(git_strmap_set(table, str, str));
+       }
+
+       cl_assert_equal_i(git_strmap_size(table), count);
+}
+
+void test_strmap__inserted_strings_can_be_retrieved(void)
+{
+       char *str;
+       int i;
+
+       insert_strings(g_table, 20);
+
+       cl_assert(git_strmap_exists(g_table, "aaaaaaaaa"));
+       cl_assert(git_strmap_exists(g_table, "ggggggggg"));
+       cl_assert(!git_strmap_exists(g_table, "aaaaaaaab"));
+       cl_assert(!git_strmap_exists(g_table, "abcdefghi"));
+
+       i = 0;
+       git_strmap_foreach_value(g_table, str, { i++; free(str); });
+       cl_assert(i == 20);
+}
+
+void test_strmap__deleted_entry_cannot_be_retrieved(void)
+{
+       char *str;
+       int i;
+
+       insert_strings(g_table, 20);
+
+       cl_assert(git_strmap_exists(g_table, "bbbbbbbbb"));
+       str = git_strmap_get(g_table, "bbbbbbbbb");
+       cl_assert_equal_s(str, "bbbbbbbbb");
+       cl_git_pass(git_strmap_delete(g_table, "bbbbbbbbb"));
+       free(str);
+
+       cl_assert(!git_strmap_exists(g_table, "bbbbbbbbb"));
+
+       i = 0;
+       git_strmap_foreach_value(g_table, str, { i++; free(str); });
+       cl_assert_equal_i(i, 19);
+}
+
+void test_strmap__inserting_many_keys_succeeds(void)
+{
+       char *str;
+       int i;
+
+       insert_strings(g_table, 10000);
+
+       i = 0;
+       git_strmap_foreach_value(g_table, str, { i++; free(str); });
+       cl_assert_equal_i(i, 10000);
+}
+
+void test_strmap__get_succeeds_with_existing_entries(void)
+{
+       const char *keys[] = { "foo", "bar", "gobble" };
+       char *values[] = { "oof", "rab", "elbbog" };
+       size_t i;
+
+       for (i = 0; i < ARRAY_SIZE(keys); i++)
+               cl_git_pass(git_strmap_set(g_table, keys[i], values[i]));
+
+       cl_assert_equal_s(git_strmap_get(g_table, "foo"), "oof");
+       cl_assert_equal_s(git_strmap_get(g_table, "bar"), "rab");
+       cl_assert_equal_s(git_strmap_get(g_table, "gobble"), "elbbog");
+}
+
+void test_strmap__get_returns_null_on_nonexisting_key(void)
+{
+       const char *keys[] = { "foo", "bar", "gobble" };
+       char *values[] = { "oof", "rab", "elbbog" };
+       size_t i;
+
+       for (i = 0; i < ARRAY_SIZE(keys); i++)
+               cl_git_pass(git_strmap_set(g_table, keys[i], values[i]));
+
+       cl_assert_equal_p(git_strmap_get(g_table, "other"), NULL);
+}
+
+void test_strmap__set_persists_key(void)
+{
+       cl_git_pass(git_strmap_set(g_table, "foo", "oof"));
+       cl_assert_equal_s(git_strmap_get(g_table, "foo"), "oof");
+}
+
+void test_strmap__set_persists_multpile_keys(void)
+{
+       cl_git_pass(git_strmap_set(g_table, "foo", "oof"));
+       cl_git_pass(git_strmap_set(g_table, "bar", "rab"));
+       cl_assert_equal_s(git_strmap_get(g_table, "foo"), "oof");
+       cl_assert_equal_s(git_strmap_get(g_table, "bar"), "rab");
+}
+
+void test_strmap__set_updates_existing_key(void)
+{
+       cl_git_pass(git_strmap_set(g_table, "foo", "oof"));
+       cl_git_pass(git_strmap_set(g_table, "bar", "rab"));
+       cl_git_pass(git_strmap_set(g_table, "gobble", "elbbog"));
+       cl_assert_equal_i(git_strmap_size(g_table), 3);
+
+       cl_git_pass(git_strmap_set(g_table, "foo", "other"));
+       cl_assert_equal_i(git_strmap_size(g_table), 3);
+
+       cl_assert_equal_s(git_strmap_get(g_table, "foo"), "other");
+}
+
+void test_strmap__iteration(void)
+{
+       struct {
+               char *key;
+               char *value;
+               int seen;
+       } entries[] = {
+               { "foo", "oof" },
+               { "bar", "rab" },
+               { "gobble", "elbbog" },
+       };
+       const char *key, *value;
+       size_t i, n;
+
+       for (i = 0; i < ARRAY_SIZE(entries); i++)
+               cl_git_pass(git_strmap_set(g_table, entries[i].key, entries[i].value));
+
+       i = 0, n = 0;
+       while (git_strmap_iterate((void **) &value, g_table, &i, &key) == 0) {
+               size_t j;
+
+               for (j = 0; j < ARRAY_SIZE(entries); j++) {
+                       if (strcmp(entries[j].key, key))
+                               continue;
+
+                       cl_assert_equal_i(entries[j].seen, 0);
+                       cl_assert_equal_s(entries[j].value, value);
+                       entries[j].seen++;
+                       break;
+               }
+
+               n++;
+       }
+
+       for (i = 0; i < ARRAY_SIZE(entries); i++)
+               cl_assert_equal_i(entries[i].seen, 1);
+
+       cl_assert_equal_i(n, ARRAY_SIZE(entries));
+}
+
+void test_strmap__iterating_empty_map_stops_immediately(void)
+{
+       size_t i = 0;
+
+       cl_git_fail_with(git_strmap_iterate(NULL, g_table, &i, NULL), GIT_ITEROVER);
+}