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diff --git a/unittest/Catch/include/internal/catch_capture.hpp b/unittest/Catch/include/internal/catch_capture.hpp
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+++ b/unittest/Catch/include/internal/catch_capture.hpp
@@ -0,0 +1,148 @@
+/*
+ *  Created by Phil on 18/10/2010.
+ *  Copyright 2010 Two Blue Cubes Ltd. All rights reserved.
+ *
+ *  Distributed under the Boost Software License, Version 1.0. (See accompanying
+ *  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+ */
+#ifndef TWOBLUECUBES_CATCH_CAPTURE_HPP_INCLUDED
+#define TWOBLUECUBES_CATCH_CAPTURE_HPP_INCLUDED
+
+#include "catch_result_builder.h"
+#include "catch_message.h"
+#include "catch_interfaces_capture.h"
+#include "catch_debugger.h"
+#include "catch_common.h"
+#include "catch_tostring.h"
+#include "catch_interfaces_runner.h"
+#include "catch_compiler_capabilities.h"
+
+
+///////////////////////////////////////////////////////////////////////////////
+// In the event of a failure works out if the debugger needs to be invoked
+// and/or an exception thrown and takes appropriate action.
+// This needs to be done as a macro so the debugger will stop in the user
+// source code rather than in Catch library code
+#define INTERNAL_CATCH_REACT( resultBuilder ) \
+    if( resultBuilder.shouldDebugBreak() ) CATCH_BREAK_INTO_DEBUGGER(); \
+    resultBuilder.react();
+
+
+///////////////////////////////////////////////////////////////////////////////
+#define INTERNAL_CATCH_TEST( expr, resultDisposition, macroName ) \
+    do { \
+        Catch::ResultBuilder __catchResult( macroName, CATCH_INTERNAL_LINEINFO, #expr, resultDisposition ); \
+        try { \
+            CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS \
+            ( __catchResult <= expr ).endExpression(); \
+        } \
+        catch( ... ) { \
+            __catchResult.useActiveException( Catch::ResultDisposition::Normal ); \
+        } \
+        INTERNAL_CATCH_REACT( __catchResult ) \
+    } while( Catch::isTrue( false && static_cast<bool>(expr) ) ) // expr here is never evaluated at runtime but it forces the compiler to give it a look
+
+///////////////////////////////////////////////////////////////////////////////
+#define INTERNAL_CATCH_IF( expr, resultDisposition, macroName ) \
+    INTERNAL_CATCH_TEST( expr, resultDisposition, macroName ); \
+    if( Catch::getResultCapture().getLastResult()->succeeded() )
+
+///////////////////////////////////////////////////////////////////////////////
+#define INTERNAL_CATCH_ELSE( expr, resultDisposition, macroName ) \
+    INTERNAL_CATCH_TEST( expr, resultDisposition, macroName ); \
+    if( !Catch::getResultCapture().getLastResult()->succeeded() )
+
+///////////////////////////////////////////////////////////////////////////////
+#define INTERNAL_CATCH_NO_THROW( expr, resultDisposition, macroName ) \
+    do { \
+        Catch::ResultBuilder __catchResult( macroName, CATCH_INTERNAL_LINEINFO, #expr, resultDisposition ); \
+        try { \
+            expr; \
+            __catchResult.captureResult( Catch::ResultWas::Ok ); \
+        } \
+        catch( ... ) { \
+            __catchResult.useActiveException( resultDisposition ); \
+        } \
+        INTERNAL_CATCH_REACT( __catchResult ) \
+    } while( Catch::alwaysFalse() )
+
+///////////////////////////////////////////////////////////////////////////////
+#define INTERNAL_CATCH_THROWS( expr, resultDisposition, matcher, macroName ) \
+    do { \
+        Catch::ResultBuilder __catchResult( macroName, CATCH_INTERNAL_LINEINFO, #expr, resultDisposition, #matcher ); \
+        if( __catchResult.allowThrows() ) \
+            try { \
+                expr; \
+                __catchResult.captureResult( Catch::ResultWas::DidntThrowException ); \
+            } \
+            catch( ... ) { \
+                __catchResult.captureExpectedException( matcher ); \
+            } \
+        else \
+            __catchResult.captureResult( Catch::ResultWas::Ok ); \
+        INTERNAL_CATCH_REACT( __catchResult ) \
+    } while( Catch::alwaysFalse() )
+
+///////////////////////////////////////////////////////////////////////////////
+#define INTERNAL_CATCH_THROWS_AS( expr, exceptionType, resultDisposition, macroName ) \
+    do { \
+        Catch::ResultBuilder __catchResult( macroName, CATCH_INTERNAL_LINEINFO, #expr, resultDisposition ); \
+        if( __catchResult.allowThrows() ) \
+            try { \
+                expr; \
+                __catchResult.captureResult( Catch::ResultWas::DidntThrowException ); \
+            } \
+            catch( exceptionType ) { \
+                __catchResult.captureResult( Catch::ResultWas::Ok ); \
+            } \
+            catch( ... ) { \
+                __catchResult.useActiveException( resultDisposition ); \
+            } \
+        else \
+            __catchResult.captureResult( Catch::ResultWas::Ok ); \
+        INTERNAL_CATCH_REACT( __catchResult ) \
+    } while( Catch::alwaysFalse() )
+
+
+///////////////////////////////////////////////////////////////////////////////
+#ifdef CATCH_CONFIG_VARIADIC_MACROS
+    #define INTERNAL_CATCH_MSG( messageType, resultDisposition, macroName, ... ) \
+        do { \
+            Catch::ResultBuilder __catchResult( macroName, CATCH_INTERNAL_LINEINFO, "", resultDisposition ); \
+            __catchResult << __VA_ARGS__ + ::Catch::StreamEndStop(); \
+            __catchResult.captureResult( messageType ); \
+            INTERNAL_CATCH_REACT( __catchResult ) \
+        } while( Catch::alwaysFalse() )
+#else
+    #define INTERNAL_CATCH_MSG( messageType, resultDisposition, macroName, log ) \
+        do { \
+            Catch::ResultBuilder __catchResult( macroName, CATCH_INTERNAL_LINEINFO, "", resultDisposition ); \
+            __catchResult << log + ::Catch::StreamEndStop(); \
+            __catchResult.captureResult( messageType ); \
+            INTERNAL_CATCH_REACT( __catchResult ) \
+        } while( Catch::alwaysFalse() )
+#endif
+
+///////////////////////////////////////////////////////////////////////////////
+#define INTERNAL_CATCH_INFO( log, macroName ) \
+    Catch::ScopedMessage INTERNAL_CATCH_UNIQUE_NAME( scopedMessage ) = Catch::MessageBuilder( macroName, CATCH_INTERNAL_LINEINFO, Catch::ResultWas::Info ) << log;
+
+///////////////////////////////////////////////////////////////////////////////
+#define INTERNAL_CHECK_THAT( arg, matcher, resultDisposition, macroName ) \
+    do { \
+        Catch::ResultBuilder __catchResult( macroName, CATCH_INTERNAL_LINEINFO, #arg ", " #matcher, resultDisposition ); \
+        try { \
+            std::string matcherAsString = (matcher).toString(); \
+            __catchResult \
+                .setLhs( Catch::toString( arg ) ) \
+                .setRhs( matcherAsString == Catch::Detail::unprintableString ? #matcher : matcherAsString ) \
+                .setOp( "matches" ) \
+                .setResultType( (matcher).match( arg ) ); \
+            __catchResult.captureExpression(); \
+        } catch( ... ) { \
+            __catchResult.useActiveException( resultDisposition | Catch::ResultDisposition::ContinueOnFailure ); \
+        } \
+        INTERNAL_CATCH_REACT( __catchResult ) \
+    } while( Catch::alwaysFalse() )
+
+#endif // TWOBLUECUBES_CATCH_CAPTURE_HPP_INCLUDED