From 0d49ea1fe08cf1eab41a00149393a291c65a59d7 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Thu, 25 Jan 2024 20:32:06 +0300
Subject: Turn odb-tests repository into package for muti-package repository

---
 odb-tests/common/callback/driver.cxx | 184 +++++++++++++++++++++++++++++++++++
 1 file changed, 184 insertions(+)
 create mode 100644 odb-tests/common/callback/driver.cxx

(limited to 'odb-tests/common/callback/driver.cxx')

diff --git a/odb-tests/common/callback/driver.cxx b/odb-tests/common/callback/driver.cxx
new file mode 100644
index 0000000..80513c6
--- /dev/null
+++ b/odb-tests/common/callback/driver.cxx
@@ -0,0 +1,184 @@
+// file      : common/callback/driver.cxx
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+// Test database operation callbacks.
+//
+
+#include <memory>   // std::unique_ptr
+#include <iostream>
+
+#include <odb/database.hxx>
+#include <odb/transaction.hxx>
+
+#include <libcommon/common.hxx>
+
+#include "test.hxx"
+#include "test-odb.hxx"
+
+#undef NDEBUG
+#include <cassert>
+
+using namespace std;
+using namespace odb::core;
+
+const char* events[] =
+{
+  "pre_persist",
+  "post_persist",
+  "pre_load",
+  "post_load",
+  "pre_update",
+  "post_update",
+  "pre_erase",
+  "post_erase"
+};
+
+void object::
+db_callback (callback_event e, database& db)
+{
+  cout << "  " << events[e] << " " << id_ << endl;
+
+  // Test custom recursive loading.
+  //
+  if (e == callback_event::post_load && ref != 0)
+  {
+    robj = db.load<object> (ref);
+    cout << "    " << id_ << ' ' << ref << ' ' << robj->id_ << endl;
+  }
+}
+
+void object::
+db_callback (callback_event e, database&) const
+{
+  cout << "  " << events[e] << " " << id_ << " const" << endl;
+}
+
+int
+main (int argc, char* argv[])
+{
+  try
+  {
+    unique_ptr<database> db (create_database (argc, argv));
+
+    // Persist.
+    //
+    cout << "persist" << endl;
+    {
+      object o1 (1, 1);
+      object const o2 (2, 2);
+      transaction t (db->begin ());
+      db->persist (o1);
+      db->persist (&o2);
+      t.commit ();
+    }
+    cout << "***" << endl;
+
+    // Load.
+    //
+    cout << "load" << endl;
+    {
+      transaction t (db->begin ());
+      unique_ptr<object> o1 (db->load<object> (1));
+      object o2;
+      db->load<object> (2, o2);
+      t.commit ();
+    }
+    cout << "***" << endl;
+
+    // Query.
+    //
+    cout << "query" << endl;
+    {
+      typedef odb::query<object> query;
+      typedef odb::result<object> result;
+
+      transaction t (db->begin ());
+
+      result r (db->query<object> ((query::id < 3) + "ORDER BY" + query::id));
+
+      for (result::iterator i (r.begin ()); i != r.end (); ++i)
+      {
+        if (i->id_ > 3) // Load.
+          break;
+      }
+
+      t.commit ();
+    }
+    cout << "***" << endl;
+
+    // Update.
+    //
+    cout << "update" << endl;
+    {
+      transaction t (db->begin ());
+      unique_ptr<object> o1 (db->load<object> (1));
+      unique_ptr<object> o2 (db->load<object> (2));
+      o1->data++;
+      o2->data++;
+      db->update (o1.get ());
+      db->update (static_cast<const object&> (*o2));
+      t.commit ();
+    }
+    cout << "***" << endl;
+
+    // Erase.
+    //
+    cout << "erase" << endl;
+    {
+      transaction t (db->begin ());
+      unique_ptr<object> o1 (db->load<object> (1));
+      unique_ptr<object> o2 (db->load<object> (2));
+      db->erase (static_cast<const object*> (o1.get ()));
+      db->erase (*o2);
+      t.commit ();
+    }
+    cout << "***" << endl;
+
+    // Delayed (recursive) load.
+    //
+    cout << "delayed load" << endl;
+    {
+      {
+        object o1 (1, 1);
+        object o2 (2, 2);
+        object o3 (3, 3);
+        object o4 (4, 4);
+
+        o1.pobj = &o2;
+        o1.ref = 4;
+
+        o2.pobj = &o3;
+        o2.ref = 4;
+
+        transaction t (db->begin ());
+        db->persist (o1);
+        db->persist (o2);
+        db->persist (o3);
+        db->persist (o4);
+        t.commit ();
+      }
+
+      {
+        transaction t (db->begin ());
+        unique_ptr<object> o1 (db->load<object> (1));
+        object* o2 (o1->pobj);
+
+        cout << o1->id_ << ' ' << o1->ref << ' ' << o1->robj->id_ << endl;
+        cout << o2->id_ << ' ' << o2->ref << ' ' << o2->robj->id_ << endl;
+
+        delete o1->robj;
+        delete o2->robj;
+
+        delete o2->pobj;
+        delete o2;
+        t.commit ();
+      }
+    }
+    cout << "***" << endl;
+  }
+  catch (const odb::exception& e)
+  {
+    cerr << e.what () << endl;
+    return 1;
+  }
+}
-- 
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