Fixed null string reporting issue

Test/MiscTests.cpp

@@ -105,3 +105,14 @@ TEST_CASE( "./succeeding/Misc/stdout,stderr", "Sends stuff to stdout and stderr"
     
     std::cerr << "An error";
 }
+
+const char* makeString( bool makeNull ) 
+{
+    return makeNull ? NULL : "valid string";
+}
+
+TEST_CASE( "./succeeding/Misc/null strings", "" )
+{
+    REQUIRE( makeString( false ) != static_cast<char*>(NULL));
+    REQUIRE( makeString( true ) == static_cast<char*>(NULL));
+}

internal/catch_capture.hpp

@@ -105,15 +105,23 @@ inline std::string toString
 {
     return value;
 }
+///////////////////////////////////////////////////////////////////////////////
+inline std::string toString
+(
+    const char* const value
+)
+{
+    return value ? "'" + std::string( value ) + "'" : std::string( "{null string}" );
+}    
 
 ///////////////////////////////////////////////////////////////////////////////
 inline std::string toString
 (
-    const char* value
+    char* const value
 )
 {
-    return value;
-}    
+    return toString( static_cast<const char* const>( value ) );
+}        
 
 ///////////////////////////////////////////////////////////////////////////////
 inline std::string toString