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+// file : common/transaction/basics/driver.cxx
+// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC
+// license : GNU GPL v2; see accompanying LICENSE file
+
+// Test basic transaction operations.
+//
+
+#include <string>
+#include <cassert>
+#include <iostream>
+
+#include <odb/tracer.hxx>
+#include <odb/database.hxx>
+#include <odb/transaction.hxx>
+#include <odb/statement.hxx>
+#include <odb/exceptions.hxx>
+
+#include <common/common.hxx>
+#include <common/concrete.hxx>
+
+using namespace std;
+using namespace odb::core;
+
+struct transaction_tracer: odb::tracer
+{
+ virtual void
+ execute (connection&, const char* s)
+ {
+ string str (s);
+
+ if (str == "BEGIN")
+ cout << "begin transaction" << endl;
+ else if (str == "COMMIT")
+ cout << "commit transaction" << endl;
+ else if (str == "ROLLBACK")
+ cout << "rollback transaction" << endl;
+ }
+
+ // Override the other version to get rid of a Sun CC warning.
+ //
+ virtual void
+ execute (connection& c, const statement& s)
+ {
+ execute (c, s.text ());
+ }
+};
+
+int
+main (int argc, char* argv[])
+{
+ {
+ transaction_tracer tracer;
+ auto_ptr<database> db (create_database (argc, argv, false));
+ db->tracer (tracer);
+
+ assert (!transaction::has_current ());
+
+ // Current and db accessors.
+ //
+ cout << "test 001" << endl;
+ {
+ transaction t (db->begin ());
+ assert (&t.database () == db.get ());
+ assert (transaction::has_current ());
+ assert (&transaction::current () == &t);
+
+ transaction::reset_current ();
+ assert (!transaction::has_current ());
+
+ transaction t2 (db->begin (), false);
+ assert (!transaction::has_current ());
+
+ transaction::current (t2);
+ assert (&transaction::current () == &t2);
+ }
+
+ // Commit.
+ //
+ cout << "test 002" << endl;
+ {
+ transaction t (db->begin ());
+ t.commit ();
+ }
+
+ // Rollback.
+ //
+ cout << "test 003" << endl;
+ {
+ transaction t (db->begin ());
+ t.rollback ();
+ }
+
+ // Auto rollback.
+ //
+ cout << "test 004" << endl;
+ {
+ transaction t (db->begin ());
+ }
+
+ // Nested transaction.
+ //
+ cout << "test 005" << endl;
+ {
+ transaction t (db->begin ());
+
+ try
+ {
+ transaction n (db->begin ());
+ }
+ catch (const already_in_transaction&)
+ {
+ cout << "already_in_transaction" << endl;
+ }
+ }
+
+ // Concrete transaction type.
+ //
+ cout << "test 006" << endl;
+ {
+ assert (sizeof (odb_db::transaction) == sizeof (transaction));
+
+ odb_db::transaction t (static_cast<odb_db::database&> (*db).begin ());
+ odb_db::transaction& r (odb_db::transaction::current ());
+ assert (&t == &r);
+ }
+
+ // Transaction restart.
+ //
+ cout << "test 007" << endl;
+ {
+ transaction t (db->begin ());
+ t.commit ();
+ t.reset (db->begin ());
+ t.commit ();
+ }
+ }
+
+ // Test early connection release.
+ //
+ {
+ auto_ptr<database> db (create_database (argc, argv, false, 1));
+ transaction t1 (db->begin ());
+ t1.commit ();
+ transaction t2 (db->begin ());
+ t2.rollback ();
+ transaction t3 (db->begin ());
+ t3.commit ();
+ }
+}