From 215a45dc83cd8fea56f413d164734345cfbfc994 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 6 Mar 2012 11:34:57 +0200
Subject: Detect situations where session is required but not used

Throw session_required.
---
 common/session/driver.cxx | 83 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 common/session/driver.cxx

(limited to 'common/session/driver.cxx')

diff --git a/common/session/driver.cxx b/common/session/driver.cxx
new file mode 100644
index 0000000..d8467c2
--- /dev/null
+++ b/common/session/driver.cxx
@@ -0,0 +1,83 @@
+// file      : common/session/driver.cxx
+// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+// Test session.
+//
+
+#include <memory>   // std::auto_ptr
+#include <cassert>
+#include <iostream>
+
+#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;
+
+int
+main (int argc, char* argv[])
+{
+  try
+  {
+    auto_ptr<database> db (create_database (argc, argv));
+
+    // Test the session_required exception.
+    //
+#if defined(HAVE_CXX11) || defined(HAVE_TR1_MEMORY)
+    {
+      using namespace test1;
+
+      shared_ptr<obj1> o1a (new obj1 (1));
+      shared_ptr<obj1> o1b (new obj1 (2));
+      shared_ptr<obj2> o2 (new obj2 (1));
+
+      o1a->o2 = o2;
+      o1b->o2 = o2;
+
+      o2->o1.push_back (o1a);
+      o2->o1.push_back (o1b);
+
+      {
+        transaction t (db->begin ());
+        db->persist (o1a);
+        db->persist (o1b);
+        db->persist (o2);
+        t.commit ();
+      }
+
+      {
+        transaction t (db->begin ());
+
+        try
+        {
+          shared_ptr<obj1> o1 (db->load<obj1> (1));
+          assert (false);
+        }
+        catch (const session_required&)
+        {
+        }
+
+        t.commit ();
+      }
+
+      {
+        session s;
+        transaction t (db->begin ());
+        shared_ptr<obj1> o1 (db->load<obj1> (1));
+        t.commit ();
+      }
+    }
+#endif
+  }
+  catch (const odb::exception& e)
+  {
+    cerr << e.what () << endl;
+    return 1;
+  }
+}
-- 
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