A bdb-layer test for #558. Addresses #558.

git-svn-id: file:///svn/tokudb@3041 c7de825b-a66e-492c-adef-691d508d4ae1

src/tests/test_txn_abort9.c

+#include <stdio.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <db.h>
+#include "test.h"
+
+// 
+void test_abort_close(void) {
+
+    system("rm -rf " ENVDIR);
+    mkdir(ENVDIR, 0777);
+
+    int r;
+    DB_ENV *env;
+    r = db_env_create(&env, 0); assert(r == 0);
+    r = env->set_data_dir(env, ENVDIR);
+    r = env->set_lg_dir(env, ENVDIR);
+    env->set_errfile(env, stdout);
+    r = env->open(env, 0, DB_INIT_MPOOL + DB_INIT_LOG + DB_INIT_LOCK + DB_INIT_TXN + DB_PRIVATE + DB_CREATE, 0777); 
+    if (r != 0) printf("%s:%d:%d:%s\n", __FILE__, __LINE__, r, db_strerror(r));
+    assert(r == 0);
+
+    DB_TXN *txn = 0;
+    r = env->txn_begin(env, 0, &txn, 0); assert(r == 0);
+
+    DB *db;
+    r = db_create(&db, env, 0); assert(r == 0);
+    r = db->open(db, txn, "test.db", 0, DB_BTREE, DB_CREATE, 0777); assert(r == 0);
+
+    {
+	struct stat statbuf;
+	r = stat(ENVDIR "/test.db", &statbuf);
+	assert(r==0);
+    }
+
+    // Close before commit.
+    r = db->close(db, 0);
+    r = txn->commit(txn, 0); CKERR(r);
+
+    // Now reopen it
+    r = env->txn_begin(env, 0, &txn, 0); CKERR(r);
+    r = db_create(&db, env, 0); assert(r == 0);
+    r = db->open(db, txn, "test.db", 0, DB_BTREE, 0, 0777); assert(r == 0);
+    
+    DBT k,v;
+    r = db->put(db, txn, dbt_init(&k, "hello", 6), dbt_init(&v, "there", 6), 0);
+    CKERR(r);
+
+    r = db->close(db, 0);
+
+    r = txn->abort(txn); assert(r == 0);
+
+    r = env->close(env, 0); CKERR(r);
+
+}
+
+int main(int argc, char *argv[]) {
+    test_abort_close();
+    return 0;
+}