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unittests/dmxtest/dmxtestnotify.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Unit test program for DMX testing (testing the Notify subsystem)
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "unitlib/unitlib.h"
+#include "datamodel/dmelement.h"
+#include "datamodel/idatamodel.h"
+#include "tier1/utlbuffer.h"
+#include "filesystem.h"
+#include "datamodel/dmehandle.h"
+#include "tier2/tier2.h"
+
+class CNotifyTest : public IDmNotify
+{
+public:
+	CNotifyTest() : m_nValueCount(0), m_nTopologyCount(0), m_nArrayCount(0) {}
+
+	virtual void NotifyDataChanged( const char *pReason, int nNotifySource, int nNotifyFlags )
+	{
+		if ( nNotifyFlags & NOTIFY_CHANGE_ATTRIBUTE_VALUE )
+		{
+			m_nValueCount++;
+		}
+		if ( nNotifyFlags & NOTIFY_CHANGE_ATTRIBUTE_ARRAY_SIZE )
+		{
+			m_nArrayCount++;
+		}
+		if ( nNotifyFlags & NOTIFY_CHANGE_TOPOLOGICAL )
+		{
+			m_nTopologyCount++;
+		}
+	}
+
+	int m_nTopologyCount;
+	int m_nArrayCount;
+	int m_nValueCount;
+};
+
+
+DEFINE_TESTCASE_NOSUITE( DmxNotifyTest )
+{
+	Msg( "Running dmx notify tests...\n" );
+
+	CNotifyTest test1, test2;
+
+	DmFileId_t fileid = g_pDataModel->FindOrCreateFileId( "<RunNotifyTests>" );
+
+	g_pDataModel->InstallNotificationCallback( &test1 );
+
+	CDmElement *element = NULL;
+
+	{
+		CUndoScopeGuard guard( NOTIFY_SOURCE_APPLICATION, 0, "create" );
+		element = CreateElement< CDmElement >( "test", fileid );
+	}
+	
+	Shipping_Assert( test1.m_nTopologyCount == 1 );
+	Shipping_Assert( test1.m_nArrayCount == 0 );
+
+	g_pDataModel->Undo();
+
+	Shipping_Assert( test1.m_nTopologyCount == 2 );
+	Shipping_Assert( test1.m_nArrayCount == 0 );
+
+	{
+		CNotifyScopeGuard notify( "test1", NOTIFY_SOURCE_APPLICATION, 0, &test2 );
+		CDisableUndoScopeGuard guard;
+		element = CreateElement< CDmElement >( "test", fileid );
+	}
+
+	Shipping_Assert( test1.m_nTopologyCount == 3 );
+	Shipping_Assert( test1.m_nArrayCount == 0 );
+	Shipping_Assert( test2.m_nTopologyCount == 1 );
+	Shipping_Assert( test2.m_nArrayCount == 0 );
+
+	{
+		CDisableUndoScopeGuard guard;
+
+		// NOTE: Nested scope guards referring to the same callback shouldn't double call it
+		CNotifyScopeGuard notify( "test2", NOTIFY_SOURCE_APPLICATION, 0, &test2 );
+		{
+			CNotifyScopeGuard notify( "test3", NOTIFY_SOURCE_APPLICATION, 0, &test2 );
+			DestroyElement( element );
+		}
+	}
+
+	Shipping_Assert( test1.m_nTopologyCount == 4 );
+	Shipping_Assert( test1.m_nArrayCount == 0 );
+	Shipping_Assert( test2.m_nTopologyCount == 2 );
+	Shipping_Assert( test2.m_nArrayCount == 0 );
+
+	{
+		CUndoScopeGuard guard( NOTIFY_SOURCE_APPLICATION, 0, "create" );
+		{
+			element = CreateElement< CDmElement >( "test", fileid );
+			element->SetValue( "test", 1.0f );
+		}
+		guard.Abort();
+	}
+
+	Shipping_Assert( test1.m_nTopologyCount == 4 );
+	Shipping_Assert( test1.m_nArrayCount == 0 );
+	Shipping_Assert( test2.m_nTopologyCount == 2 );
+	Shipping_Assert( test2.m_nArrayCount == 0 );
+
+	g_pDataModel->RemoveNotificationCallback( &test1 );
+	g_pDataModel->RemoveFileId( fileid );
+}