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+// file : common/container/change-tracking/driver.cxx
+// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC
+// license : GNU GPL v2; see accompanying LICENSE file
+
+// Test change-tracking containers.
+//
+
+#include <common/config.hxx> // HAVE_CXX11
+
+#include <memory> // std::auto_ptr
+#include <cassert>
+#include <iostream>
+
+#ifdef HAVE_CXX11
+# include <utility> // std::move
+#endif
+
+#include <odb/tracer.hxx>
+#include <odb/session.hxx>
+#include <odb/database.hxx>
+#include <odb/transaction.hxx>
+
+#include <common/common.hxx>
+
+#include "test.hxx"
+#include "test-odb.hxx"
+
+using namespace std;
+using namespace odb::core;
+
+struct counting_tracer: odb::tracer
+{
+ void
+ reset (transaction& tr) {u = i = d = s = t = 0; tr.tracer (*this);}
+
+ virtual void
+ execute (odb::connection&, const char* stmt)
+ {
+ string p (stmt, 6);
+ if (p == "UPDATE")
+ u++;
+ else if (p == "INSERT")
+ i++;
+ else if (p == "DELETE")
+ d++;
+ else if (p == "SELECT")
+ s++;
+ t++;
+ }
+
+ size_t u, i, d, s, t;
+};
+
+static counting_tracer tr;
+
+// Compilation test: instantiate all the functions. In C++11 mode only
+// do this if we have a fairly conforming compiler that implements the
+// complete std::vector interface.
+//
+
+#if defined (HAVE_CXX11)
+#if defined (__GNUC__) && __GNUC__ >= 4 && __GNUC_MINOR__ >= 7
+struct item {};
+template class odb::vector<item>;
+template class odb::vector_iterator<odb::vector<item>,
+ std::vector<item>::iterator>;
+template class odb::vector_iterator<odb::vector<item>,
+ std::vector<item>::reverse_iterator>;
+#endif
+#endif
+
+void
+f (const std::vector<int>&) {}
+
+int
+main (int argc, char* argv[])
+{
+ try
+ {
+ // Test extended interface.
+ //
+ {
+ typedef odb::vector<int> vector;
+
+ vector ov;
+ std::vector<int> sv;
+ f (ov); // Implicit conversion to std::vector.
+ vector ov1 (sv); // Initialization from std::vector.
+ ov = sv; // Assignement from std::vector.
+
+ // Container comparison.
+ //
+ if (ov != ov1 ||
+ ov != sv ||
+ sv != ov1)
+ ov.clear ();
+
+ // Iterator comparison/conversion.
+ //
+ vector::const_iterator i (ov.begin ());
+ if (i != ov.end ())
+ i = ov.end ();
+
+ vector::const_reverse_iterator j (ov.rbegin ());
+ if (j != ov.rend ())
+ j = ov.rend ();
+ }
+
+ auto_ptr<database> db (create_database (argc, argv));
+
+ // Test traits logic.
+ //
+ {
+ object o ("1");
+ o.i = 123;
+ o.s.push_back ("a");
+
+ assert (!o.s._tracking ());
+
+ // persist
+ //
+ {
+ transaction t (db->begin ());
+ db->persist (o);
+ t.commit ();
+ }
+
+ assert (o.s._tracking ());
+
+ // load
+ //
+ {
+ transaction t (db->begin ());
+ auto_ptr<object> p (db->load<object> ("1"));
+ assert (p->s._tracking ());
+ t.commit ();
+ }
+
+ // update
+ //
+ {
+ transaction t (db->begin ());
+ db->update (o);
+ t.commit ();
+ }
+
+ assert (o.s._tracking ());
+
+ // erase
+ //
+ {
+ transaction t (db->begin ());
+ db->erase (o);
+ t.commit ();
+ }
+
+ assert (!o.s._tracking ());
+ }
+
+ // Test change tracking.
+ //
+ object o ("1");
+ o.i = 123;
+ o.s.push_back ("a");
+
+ {
+ transaction t (db->begin ());
+ db->persist (o);
+ t.commit ();
+ }
+
+ // push_back/pop_back
+ //
+ {
+ o.s.push_back ("b"); // insert
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (tr.u == 1 && tr.i == 1 && tr.t == 2);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ {
+ o.s.pop_back ();
+ o.s.push_back ("c"); // update
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (tr.u == 2 && tr.t == 2);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ {
+ o.s.pop_back ();
+ for (int i (0); i != 1024; ++i)
+ o.s.push_back ("x"); // realloc
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (tr.u == 2 && tr.i == 1023 && tr.t == 1025);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ {
+ for (int i (0); i != 1024; ++i)
+ o.s.pop_back (); // delete
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (tr.u == 1 && tr.d == 1 && tr.t == 2);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ {
+ o.s.push_back ("b");
+ o.s.pop_back (); // no-op
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (tr.u == 1 && tr.t == 1);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ // insert
+ //
+ {
+ o.s.clear ();
+ o.s.push_back ("a");
+ o.s.push_back ("b");
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ {
+ o.s.insert (o.s.begin (), "a1"); // insert front
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (tr.u == 3 && tr.i == 1 && tr.t == 4);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ {
+ o.s.insert (o.s.begin () + 1, "a2"); // insert middle
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (tr.u == 3 && tr.i == 1 && tr.t == 4);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ {
+ o.s.insert (o.s.end (), "b1"); // insert back
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (tr.u == 1 && tr.i == 1 && tr.t == 2);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ // erase
+ //
+ {
+ o.s.clear ();
+ o.s.push_back ("a");
+ o.s.push_back ("b");
+ o.s.push_back ("c");
+ o.s.push_back ("d");
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ {
+ o.s.erase (o.s.begin ()); // erase front
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (tr.u == 4 && tr.d == 1 && tr.t == 5);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ {
+ o.s.erase (o.s.begin () + 1); // erase middle
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (tr.u == 2 && tr.d == 1 && tr.t == 3);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ {
+ o.s.erase (o.s.end () - 1); // erase back
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (tr.u == 1 && tr.d == 1 && tr.t == 2);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ // modify
+ //
+ {
+ o.s.clear ();
+ o.s.push_back ("a");
+ o.s.push_back ("b");
+ o.s.push_back ("c");
+ o.s.push_back ("d");
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ {
+ o.s.modify (1) += 'b';
+ o.s.modify_at (2) += 'c';
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (tr.u == 3 && tr.t == 3);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ {
+ o.s.modify_front () += 'a';
+ o.s.modify_back () += 'd';
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (tr.u == 3 && tr.t == 3);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ {
+ o.s.begin ().modify () += 'a';
+ o.s.rbegin ().modify () += 'c';
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (tr.u == 3 && tr.t == 3);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ {
+ (o.s.rbegin () + 1).modify (1) += 'a';
+ (o.s.rbegin () + 1).modify (-1) += 'c';
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (tr.u == 3 && tr.t == 3);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ {
+ o.s.mbegin ();
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (tr.u == 5 && tr.t == 5);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ // clear
+ //
+ {
+ o.s.clear ();
+ o.s.push_back ("a");
+ o.s.push_back ("b");
+ o.s.push_back ("c");
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ {
+ o.s.clear ();
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (tr.u == 1 && tr.d == 1 && tr.t == 2);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ // assign
+ //
+ {
+ o.s.clear ();
+ o.s.push_back ("a");
+ o.s.push_back ("b");
+ o.s.push_back ("c");
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ {
+ o.s.assign (4, "x");
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (tr.u == 4 && tr.i == 1 && tr.t == 5);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ // resize
+ //
+ {
+ o.s.clear ();
+ o.s.push_back ("a");
+ o.s.push_back ("b");
+ o.s.push_back ("c");
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ {
+ o.s.pop_back ();
+ o.s.resize (4, "x"); // expand
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (tr.u == 2 && tr.i == 1 && tr.t == 3);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ {
+ o.s.push_back ("y");
+ o.s.resize (3); // shrink
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (tr.u == 1 && tr.d == 1 && tr.t == 2);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ // Transaction rollback.
+ //
+ {
+ o.s.clear ();
+ o.s.push_back ("a");
+ o.s.push_back ("b");
+ o.s.push_back ("c");
+
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (*db->load<object> ("1") == o);
+ t.commit ();
+ }
+
+ {
+ {
+ o.s.push_back ("d");
+
+ transaction t (db->begin ());
+ db->update (o);
+ t.rollback ();
+ }
+
+ {
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (tr.u == 1 && tr.i == 4 && tr.d == 1 && tr.t == 6);
+ t.commit ();
+ }
+
+ {
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (o);
+ assert (tr.u == 1 && tr.t == 1);
+ t.commit ();
+ }
+ }
+
+ // Armed copy.
+ //
+ {
+ auto_ptr<object> c;
+
+ {
+ o.s.pop_back ();
+
+ transaction t (db->begin ());
+ db->update (o);
+ c.reset (new object (o));
+ t.rollback ();
+ }
+
+ {
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (c);
+ assert (tr.u == 1 && tr.i == 3 && tr.d == 1 && tr.t == 5);
+ t.commit ();
+ }
+
+ {
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (c);
+ assert (tr.u == 1 && tr.t == 1);
+ t.commit ();
+ }
+ }
+
+ // Armed swap.
+ //
+ {
+ object c (o);
+
+ {
+ o.s.push_back ("d");
+
+ transaction t (db->begin ());
+ db->update (o);
+ assert (o.s._tracking () && !c.s._tracking ());
+ c.s.swap (o.s);
+ assert (!o.s._tracking () && c.s._tracking ());
+ t.rollback ();
+ }
+
+ {
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (c);
+ assert (tr.u == 1 && tr.i == 4 && tr.d == 1 && tr.t == 6);
+ t.commit ();
+ }
+
+ {
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (c);
+ assert (tr.u == 1 && tr.t == 1);
+ t.commit ();
+ }
+ }
+
+ // Armed move.
+ //
+#ifdef HAVE_CXX11
+ {
+ auto_ptr<object> c;
+
+ {
+ o.s.pop_back ();
+
+ transaction t (db->begin ());
+ db->update (o);
+ assert (o.s._tracking ());
+ c.reset (new object (std::move (o)));
+ assert (!o.s._tracking () && c->s._tracking ());
+ t.rollback ();
+ }
+
+ {
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (c);
+ assert (tr.u == 1 && tr.i == 2 && tr.d == 1 && tr.t == 4);
+ t.commit ();
+ }
+
+ {
+ transaction t (db->begin ());
+ tr.reset (t);
+ db->update (c);
+ assert (tr.u == 1 && tr.t == 1);
+ t.commit ();
+ }
+ }
+#endif
+
+ // Test mixing "smart" and "dumb" container (specifically, erase(obj)).
+ //
+ {
+ mix_object o (1);
+ o.ov.assign (3, 123);
+ o.sv.assign (3, 123);
+
+ {
+ transaction t (db->begin ());
+ db->persist (o);
+ t.commit ();
+ }
+
+ {
+ transaction t (db->begin ());
+ db->erase (o);
+ t.commit ();
+ }
+
+ {
+ transaction t (db->begin ());
+ db->persist (o);
+ t.commit ();
+ }
+ }
+
+ // Test using change tracking container as inverse member.
+ //
+ {
+ inv_object1 o1;
+ inv_object2 o2;
+ o1.o2 = &o2;
+
+ {
+ transaction t (db->begin ());
+ db->persist (o2);
+ db->persist (o1);
+ t.commit ();
+ }
+
+ assert (!o2.o1._tracking ());
+
+ {
+ session s;
+ transaction t (db->begin ());
+ auto_ptr<inv_object1> p1 (db->load<inv_object1> (o1.id_));
+ auto_ptr<inv_object2> p2 (db->load<inv_object2> (o2.id_));
+ assert (p2->o1[0] == p1.get ());
+ assert (!p2->o1._tracking ());
+ t.commit ();
+ }
+ }
+ }
+ catch (const odb::exception& e)
+ {
+ cerr << e.what () << endl;
+ return 1;
+ }
+}