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-rw-r--r--src/leveldb/db/c_test.c381
1 files changed, 381 insertions, 0 deletions
diff --git a/src/leveldb/db/c_test.c b/src/leveldb/db/c_test.c
new file mode 100644
index 0000000000..9792447157
--- /dev/null
+++ b/src/leveldb/db/c_test.c
@@ -0,0 +1,381 @@
+/* Copyright (c) 2011 The LevelDB Authors. All rights reserved.
+ Use of this source code is governed by a BSD-style license that can be
+ found in the LICENSE file. See the AUTHORS file for names of contributors. */
+
+#include "leveldb/c.h"
+
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+const char* phase = "";
+static char dbname[200];
+
+static void StartPhase(const char* name) {
+ fprintf(stderr, "=== Test %s\n", name);
+ phase = name;
+}
+
+static const char* GetTempDir(void) {
+ const char* ret = getenv("TEST_TMPDIR");
+ if (ret == NULL || ret[0] == '\0')
+ ret = "/tmp";
+ return ret;
+}
+
+#define CheckNoError(err) \
+ if ((err) != NULL) { \
+ fprintf(stderr, "%s:%d: %s: %s\n", __FILE__, __LINE__, phase, (err)); \
+ abort(); \
+ }
+
+#define CheckCondition(cond) \
+ if (!(cond)) { \
+ fprintf(stderr, "%s:%d: %s: %s\n", __FILE__, __LINE__, phase, #cond); \
+ abort(); \
+ }
+
+static void CheckEqual(const char* expected, const char* v, size_t n) {
+ if (expected == NULL && v == NULL) {
+ // ok
+ } else if (expected != NULL && v != NULL && n == strlen(expected) &&
+ memcmp(expected, v, n) == 0) {
+ // ok
+ return;
+ } else {
+ fprintf(stderr, "%s: expected '%s', got '%s'\n",
+ phase,
+ (expected ? expected : "(null)"),
+ (v ? v : "(null"));
+ abort();
+ }
+}
+
+static void Free(char** ptr) {
+ if (*ptr) {
+ free(*ptr);
+ *ptr = NULL;
+ }
+}
+
+static void CheckGet(
+ leveldb_t* db,
+ const leveldb_readoptions_t* options,
+ const char* key,
+ const char* expected) {
+ char* err = NULL;
+ size_t val_len;
+ char* val;
+ val = leveldb_get(db, options, key, strlen(key), &val_len, &err);
+ CheckNoError(err);
+ CheckEqual(expected, val, val_len);
+ Free(&val);
+}
+
+static void CheckIter(leveldb_iterator_t* iter,
+ const char* key, const char* val) {
+ size_t len;
+ const char* str;
+ str = leveldb_iter_key(iter, &len);
+ CheckEqual(key, str, len);
+ str = leveldb_iter_value(iter, &len);
+ CheckEqual(val, str, len);
+}
+
+// Callback from leveldb_writebatch_iterate()
+static void CheckPut(void* ptr,
+ const char* k, size_t klen,
+ const char* v, size_t vlen) {
+ int* state = (int*) ptr;
+ CheckCondition(*state < 2);
+ switch (*state) {
+ case 0:
+ CheckEqual("bar", k, klen);
+ CheckEqual("b", v, vlen);
+ break;
+ case 1:
+ CheckEqual("box", k, klen);
+ CheckEqual("c", v, vlen);
+ break;
+ }
+ (*state)++;
+}
+
+// Callback from leveldb_writebatch_iterate()
+static void CheckDel(void* ptr, const char* k, size_t klen) {
+ int* state = (int*) ptr;
+ CheckCondition(*state == 2);
+ CheckEqual("bar", k, klen);
+ (*state)++;
+}
+
+static void CmpDestroy(void* arg) { }
+
+static int CmpCompare(void* arg, const char* a, size_t alen,
+ const char* b, size_t blen) {
+ int n = (alen < blen) ? alen : blen;
+ int r = memcmp(a, b, n);
+ if (r == 0) {
+ if (alen < blen) r = -1;
+ else if (alen > blen) r = +1;
+ }
+ return r;
+}
+
+static const char* CmpName(void* arg) {
+ return "foo";
+}
+
+// Custom filter policy
+static unsigned char fake_filter_result = 1;
+static void FilterDestroy(void* arg) { }
+static const char* FilterName(void* arg) {
+ return "TestFilter";
+}
+static char* FilterCreate(
+ void* arg,
+ const char* const* key_array, const size_t* key_length_array,
+ int num_keys,
+ size_t* filter_length) {
+ *filter_length = 4;
+ char* result = malloc(4);
+ memcpy(result, "fake", 4);
+ return result;
+}
+unsigned char FilterKeyMatch(
+ void* arg,
+ const char* key, size_t length,
+ const char* filter, size_t filter_length) {
+ CheckCondition(filter_length == 4);
+ CheckCondition(memcmp(filter, "fake", 4) == 0);
+ return fake_filter_result;
+}
+
+int main(int argc, char** argv) {
+ leveldb_t* db;
+ leveldb_comparator_t* cmp;
+ leveldb_cache_t* cache;
+ leveldb_env_t* env;
+ leveldb_options_t* options;
+ leveldb_readoptions_t* roptions;
+ leveldb_writeoptions_t* woptions;
+ char* err = NULL;
+ int run = -1;
+
+ snprintf(dbname, sizeof(dbname),
+ "%s/leveldb_c_test-%d",
+ GetTempDir(),
+ ((int) geteuid()));
+
+ StartPhase("create_objects");
+ cmp = leveldb_comparator_create(NULL, CmpDestroy, CmpCompare, CmpName);
+ env = leveldb_create_default_env();
+ cache = leveldb_cache_create_lru(100000);
+
+ options = leveldb_options_create();
+ leveldb_options_set_comparator(options, cmp);
+ leveldb_options_set_error_if_exists(options, 1);
+ leveldb_options_set_cache(options, cache);
+ leveldb_options_set_env(options, env);
+ leveldb_options_set_info_log(options, NULL);
+ leveldb_options_set_write_buffer_size(options, 100000);
+ leveldb_options_set_paranoid_checks(options, 1);
+ leveldb_options_set_max_open_files(options, 10);
+ leveldb_options_set_block_size(options, 1024);
+ leveldb_options_set_block_restart_interval(options, 8);
+ leveldb_options_set_compression(options, leveldb_no_compression);
+
+ roptions = leveldb_readoptions_create();
+ leveldb_readoptions_set_verify_checksums(roptions, 1);
+ leveldb_readoptions_set_fill_cache(roptions, 0);
+
+ woptions = leveldb_writeoptions_create();
+ leveldb_writeoptions_set_sync(woptions, 1);
+
+ StartPhase("destroy");
+ leveldb_destroy_db(options, dbname, &err);
+ Free(&err);
+
+ StartPhase("open_error");
+ db = leveldb_open(options, dbname, &err);
+ CheckCondition(err != NULL);
+ Free(&err);
+
+ StartPhase("open");
+ leveldb_options_set_create_if_missing(options, 1);
+ db = leveldb_open(options, dbname, &err);
+ CheckNoError(err);
+ CheckGet(db, roptions, "foo", NULL);
+
+ StartPhase("put");
+ leveldb_put(db, woptions, "foo", 3, "hello", 5, &err);
+ CheckNoError(err);
+ CheckGet(db, roptions, "foo", "hello");
+
+ StartPhase("compactall");
+ leveldb_compact_range(db, NULL, 0, NULL, 0);
+ CheckGet(db, roptions, "foo", "hello");
+
+ StartPhase("compactrange");
+ leveldb_compact_range(db, "a", 1, "z", 1);
+ CheckGet(db, roptions, "foo", "hello");
+
+ StartPhase("writebatch");
+ {
+ leveldb_writebatch_t* wb = leveldb_writebatch_create();
+ leveldb_writebatch_put(wb, "foo", 3, "a", 1);
+ leveldb_writebatch_clear(wb);
+ leveldb_writebatch_put(wb, "bar", 3, "b", 1);
+ leveldb_writebatch_put(wb, "box", 3, "c", 1);
+ leveldb_writebatch_delete(wb, "bar", 3);
+ leveldb_write(db, woptions, wb, &err);
+ CheckNoError(err);
+ CheckGet(db, roptions, "foo", "hello");
+ CheckGet(db, roptions, "bar", NULL);
+ CheckGet(db, roptions, "box", "c");
+ int pos = 0;
+ leveldb_writebatch_iterate(wb, &pos, CheckPut, CheckDel);
+ CheckCondition(pos == 3);
+ leveldb_writebatch_destroy(wb);
+ }
+
+ StartPhase("iter");
+ {
+ leveldb_iterator_t* iter = leveldb_create_iterator(db, roptions);
+ CheckCondition(!leveldb_iter_valid(iter));
+ leveldb_iter_seek_to_first(iter);
+ CheckCondition(leveldb_iter_valid(iter));
+ CheckIter(iter, "box", "c");
+ leveldb_iter_next(iter);
+ CheckIter(iter, "foo", "hello");
+ leveldb_iter_prev(iter);
+ CheckIter(iter, "box", "c");
+ leveldb_iter_prev(iter);
+ CheckCondition(!leveldb_iter_valid(iter));
+ leveldb_iter_seek_to_last(iter);
+ CheckIter(iter, "foo", "hello");
+ leveldb_iter_seek(iter, "b", 1);
+ CheckIter(iter, "box", "c");
+ leveldb_iter_get_error(iter, &err);
+ CheckNoError(err);
+ leveldb_iter_destroy(iter);
+ }
+
+ StartPhase("approximate_sizes");
+ {
+ int i;
+ int n = 20000;
+ char keybuf[100];
+ char valbuf[100];
+ uint64_t sizes[2];
+ const char* start[2] = { "a", "k00000000000000010000" };
+ size_t start_len[2] = { 1, 21 };
+ const char* limit[2] = { "k00000000000000010000", "z" };
+ size_t limit_len[2] = { 21, 1 };
+ leveldb_writeoptions_set_sync(woptions, 0);
+ for (i = 0; i < n; i++) {
+ snprintf(keybuf, sizeof(keybuf), "k%020d", i);
+ snprintf(valbuf, sizeof(valbuf), "v%020d", i);
+ leveldb_put(db, woptions, keybuf, strlen(keybuf), valbuf, strlen(valbuf),
+ &err);
+ CheckNoError(err);
+ }
+ leveldb_approximate_sizes(db, 2, start, start_len, limit, limit_len, sizes);
+ CheckCondition(sizes[0] > 0);
+ CheckCondition(sizes[1] > 0);
+ }
+
+ StartPhase("property");
+ {
+ char* prop = leveldb_property_value(db, "nosuchprop");
+ CheckCondition(prop == NULL);
+ prop = leveldb_property_value(db, "leveldb.stats");
+ CheckCondition(prop != NULL);
+ Free(&prop);
+ }
+
+ StartPhase("snapshot");
+ {
+ const leveldb_snapshot_t* snap;
+ snap = leveldb_create_snapshot(db);
+ leveldb_delete(db, woptions, "foo", 3, &err);
+ CheckNoError(err);
+ leveldb_readoptions_set_snapshot(roptions, snap);
+ CheckGet(db, roptions, "foo", "hello");
+ leveldb_readoptions_set_snapshot(roptions, NULL);
+ CheckGet(db, roptions, "foo", NULL);
+ leveldb_release_snapshot(db, snap);
+ }
+
+ StartPhase("repair");
+ {
+ leveldb_close(db);
+ leveldb_options_set_create_if_missing(options, 0);
+ leveldb_options_set_error_if_exists(options, 0);
+ leveldb_repair_db(options, dbname, &err);
+ CheckNoError(err);
+ db = leveldb_open(options, dbname, &err);
+ CheckNoError(err);
+ CheckGet(db, roptions, "foo", NULL);
+ CheckGet(db, roptions, "bar", NULL);
+ CheckGet(db, roptions, "box", "c");
+ leveldb_options_set_create_if_missing(options, 1);
+ leveldb_options_set_error_if_exists(options, 1);
+ }
+
+ StartPhase("filter");
+ for (run = 0; run < 2; run++) {
+ // First run uses custom filter, second run uses bloom filter
+ CheckNoError(err);
+ leveldb_filterpolicy_t* policy;
+ if (run == 0) {
+ policy = leveldb_filterpolicy_create(
+ NULL, FilterDestroy, FilterCreate, FilterKeyMatch, FilterName);
+ } else {
+ policy = leveldb_filterpolicy_create_bloom(10);
+ }
+
+ // Create new database
+ leveldb_close(db);
+ leveldb_destroy_db(options, dbname, &err);
+ leveldb_options_set_filter_policy(options, policy);
+ db = leveldb_open(options, dbname, &err);
+ CheckNoError(err);
+ leveldb_put(db, woptions, "foo", 3, "foovalue", 8, &err);
+ CheckNoError(err);
+ leveldb_put(db, woptions, "bar", 3, "barvalue", 8, &err);
+ CheckNoError(err);
+ leveldb_compact_range(db, NULL, 0, NULL, 0);
+
+ fake_filter_result = 1;
+ CheckGet(db, roptions, "foo", "foovalue");
+ CheckGet(db, roptions, "bar", "barvalue");
+ if (phase == 0) {
+ // Must not find value when custom filter returns false
+ fake_filter_result = 0;
+ CheckGet(db, roptions, "foo", NULL);
+ CheckGet(db, roptions, "bar", NULL);
+ fake_filter_result = 1;
+
+ CheckGet(db, roptions, "foo", "foovalue");
+ CheckGet(db, roptions, "bar", "barvalue");
+ }
+ leveldb_options_set_filter_policy(options, NULL);
+ leveldb_filterpolicy_destroy(policy);
+ }
+
+ StartPhase("cleanup");
+ leveldb_close(db);
+ leveldb_options_destroy(options);
+ leveldb_readoptions_destroy(roptions);
+ leveldb_writeoptions_destroy(woptions);
+ leveldb_cache_destroy(cache);
+ leveldb_comparator_destroy(cmp);
+ leveldb_env_destroy(env);
+
+ fprintf(stderr, "PASS\n");
+ return 0;
+}