another root fifo test

git-svn-id: file:///svn/toku/tokudb@11308 c7de825b-a66e-492c-adef-691d508d4ae1

src/tests/root_fifo_2.c

+// test txn commit after db close
+
+#include "test.h"
+#include <sys/stat.h>
+
+#include "../ydb-internal.h"
+
+DB_ENV *null_env = NULL;
+DB *null_db = NULL;
+DB_TXN *null_txn = NULL;
+DBC *null_cursor = NULL;
+
+static void root_fifo_verify(DB_ENV *env, int n) {
+    if (verbose) printf("%s:%d %d\n", __FUNCTION__, __LINE__, n);
+    int r;
+    DB *db = null_db;
+    r = db_create(&db, env, 0); assert(r == 0); assert(db != NULL);
+    r = db->open(db, null_txn, "test.db", 0, DB_BTREE, DB_CREATE, S_IRWXU+S_IRWXG+S_IRWXO); 
+    assert(r == 0);
+
+    DB_TXN *txn = null_txn;
+    r = env->txn_begin(env, null_txn, &txn, 0); assert(r == 0); assert(txn != NULL);
+
+    DBC *cursor = null_cursor;
+    r = db->cursor(db, txn, &cursor, 0); assert(r == 0);
+    int i;
+    for (i = 0; ; i++) {
+        DBT key, val;
+        memset(&key, 0, sizeof key); memset(&val, 0, sizeof val);
+        r = cursor->c_get(cursor, &key, &val, DB_NEXT);
+        if (r != 0) break;
+        int k;
+        assert(key.size == sizeof k);
+        memcpy(&k, key.data, key.size);
+        assert((int)toku_ntohl(k) == i);
+    }
+    assert(i == 0);
+
+    r = cursor->c_close(cursor); assert(r == 0); cursor = null_cursor;
+    
+    r = txn->commit(txn, 0); assert(r == 0); txn = null_txn;
+
+    r = db->close(db, 0); assert(r == 0); db = null_db;
+}
+
+static void root_fifo_1(int n) {
+    if (verbose) printf("%s:%d %d\n", __FUNCTION__, __LINE__, n);
+    int r;
+
+    // create the env
+    system("rm -rf " ENVDIR);
+    toku_os_mkdir(ENVDIR, S_IRWXU+S_IRWXG+S_IRWXO);
+
+    DB_ENV *env = null_env;
+    r = db_env_create(&env, 0); assert(r == 0); assert(env != NULL);
+    r = env->set_data_dir(env, ENVDIR);
+    r = env->set_lg_dir(env, ENVDIR);
+    r = env->open(env, 
+                  0, 
+                  DB_INIT_MPOOL+DB_INIT_LOG+DB_INIT_LOCK+DB_INIT_TXN+DB_PRIVATE+DB_CREATE, 
+                  S_IRWXU+S_IRWXG+S_IRWXO); 
+    assert(r == 0);
+
+    DB_TXN *txn = null_txn;
+    r = env->txn_begin(env, null_txn, &txn, 0); assert(r == 0); assert(txn != NULL);
+
+    int i;
+    for (i=0; i<n; i++) {
+        DB *db = null_db;
+        r = db_create(&db, env, 0); assert(r == 0); assert(db != NULL);
+        if (verbose) printf("db %p brt %p\n", db, db->i->brt);
+
+        r = db->open(db, txn, "test.db", 0, DB_BTREE, DB_CREATE, S_IRWXU+S_IRWXG+S_IRWXO); 
+        assert(r == 0);
+
+        DBT key, val;
+        int k = toku_htonl(i);
+        r = db->put(db, txn, dbt_init(&key, &k, sizeof k), dbt_init(&val, &i, sizeof i), 0);
+        assert(r == 0);
+
+        r = db->close(db, 0); assert(r == 0); db = null_db;
+    }
+
+    r = txn->abort(txn); assert(r == 0); txn = null_txn;
+
+    // verify the db
+    root_fifo_verify(env, n);
+
+    // cleanup
+    r = env->close(env, 0); assert(r == 0); env = null_env;
+}
+
+int test_main(int argc, const char *argv[]) {
+    int i;
+    int n = -1;
+
+    // parse_args(argc, argv);
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-v") == 0) {
+            verbose = 1;
+            continue;
+        }
+        if (strcmp(argv[i], "-n") == 0) {
+            if (i+1 < argc)
+                n = atoi(argv[++i]);
+            continue;
+        }
+    }
+              
+    if (n >= 0)
+        root_fifo_1(n);
+    else 
+        for (i=0; i<100; i++)
+            root_fifo_1(i);
+    return 0;
+}
+