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unitlib/unitlib.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+	   
+#include "unitlib/unitlib.h"
+#include "tier0/dbg.h"
+#include <string.h>
+
+
+
+//-----------------------------------------------------------------------------
+//
+// Base class for test cases
+//
+//-----------------------------------------------------------------------------
+CTestCase::CTestCase( char const* pName, ITestSuite* pParent )
+{
+	Assert( pName );
+	m_pName = new char[strlen(pName) + 1];
+	strcpy( m_pName, pName );
+	
+	// Only install the test case if it has no parent
+	if (pParent)
+	{
+		pParent->AddTest( this );
+	}
+	else
+	{
+		UnitTestInstallTestCase( this );
+	}
+}
+
+CTestCase::~CTestCase()
+{
+	if (m_pName)
+		delete[] m_pName;
+}
+
+char const* CTestCase::GetName()
+{
+	return m_pName;
+}
+
+
+//-----------------------------------------------------------------------------
+//
+// Test suite class
+//
+//-----------------------------------------------------------------------------
+
+CTestSuite::CTestSuite( char const* pName, ITestSuite* pParent )
+{
+	m_TestCount = 0;
+	m_ppTestCases = 0;
+
+	m_pName = new char[strlen(pName) + 1];
+	strcpy( m_pName, pName );
+
+	// Only install the test case if it has no parent
+	if (pParent)
+	{
+		pParent->AddTest( this );
+	}
+	else
+	{
+		UnitTestInstallTestCase( this );
+	}
+}
+
+CTestSuite::~CTestSuite()
+{
+	if (m_ppTestCases)
+		free(m_ppTestCases);
+	if (m_pName)
+		delete[] m_pName;
+}
+
+char const* CTestSuite::GetName()
+{
+	return m_pName;
+}
+
+void CTestSuite::AddTest( ITestCase* pTest )
+{
+	Assert( pTest );
+	if (!m_ppTestCases)
+	{
+		m_ppTestCases = (ITestCase**)malloc( sizeof(ITestCase**) );
+	}
+	else
+	{
+		m_ppTestCases = (ITestCase**)realloc( m_ppTestCases, (m_TestCount+1) * sizeof(ITestCase**) );
+	}							  
+
+	m_ppTestCases[m_TestCount++] = pTest;
+}
+
+void CTestSuite::RunTest()
+{
+	for ( int i = 0; i < m_TestCount; ++i )
+	{
+		m_ppTestCases[i]->RunTest();
+	}
+}
+
+
+
+//-----------------------------------------------------------------------------
+// This is the main function exported by the unit test library used by
+// unit test DLLs to install their test cases into a list to be run
+//-----------------------------------------------------------------------------
+
+static int s_TestCount = 0;
+static int s_TestAllocated = 0;
+static ITestCase** s_ppTestCases = 0;
+
+void UnitTestInstallTestCase( ITestCase* pTest )
+{
+	Assert( pTest );
+	if (s_TestCount == s_TestAllocated)
+	{
+		if (!s_ppTestCases)
+		{
+			s_ppTestCases = (ITestCase**)malloc( 16 * sizeof(ITestCase**) );
+			s_TestAllocated = 16;
+		}
+		else
+		{
+			s_ppTestCases = (ITestCase**)realloc( s_ppTestCases, s_TestAllocated * 2 * sizeof(ITestCase**) );
+			s_TestAllocated *= 2;
+		}
+	}
+	s_ppTestCases[s_TestCount++] = pTest;
+}
+
+
+//-----------------------------------------------------------------------------
+// These are the methods used by the unit test running program to run all tests
+//-----------------------------------------------------------------------------
+
+int UnitTestCount()
+{
+	return s_TestCount;
+}
+
+ITestCase* GetUnitTest( int i )
+{
+	Assert( i < s_TestCount );
+	return s_ppTestCases[i];
+}