Logging each exception msg to Debug.WriteLine before throwing. Simplifies error hunting at my current job ;-)

Author: charlass

ObjectFiller/Filler.cs

@@ -2,6 +2,7 @@
 using System.Collections;
 using System.Collections.Generic;
 using System.Configuration;
+using System.Diagnostics;
 using System.Globalization;
 using System.Linq;
 using System.Reflection;
@@ -109,8 +110,9 @@ private object CreateInstanceOfType(Type type, ObjectFillerSetup currentSetup)
 
                     if (constructorArgs.Count == 0)
                     {
-                        throw new InvalidOperationException("Could not found a constructor for type [" + type.Name +
-                                                            "] where the parameters can be filled with the current objectfiller setup");
+	                    var message = "Could not found a constructor for type [" + type.Name + "] where the parameters can be filled with the current objectfiller setup";
+						Debug.WriteLine("ObjectFiller: " + message);
+	                    throw new InvalidOperationException(message);
                     }
                 }
             }
@@ -302,13 +304,12 @@ private IDictionary GetFilledDictionary(Type propertyType, ObjectFillerSetup cur
 
                 if (dictionary.Contains(keyObject))
                 {
-                    throw new ArgumentException(
-                        string.Format(
-                            "Generating Keyvalue failed because it generates always the same data for type [{0}]. Please check your setup.",
-                            keyType));
+	                string message = string.Format("Generating Keyvalue failed because it generates always the same data for type [{0}]. Please check your setup.", keyType);
+					Debug.WriteLine("ObjectFiller: " + message);
+	                throw new ArgumentException(message);
                 }
 
-                object valueObject = GetFilledObject(valueType, currentSetup);
+	            object valueObject = GetFilledObject(valueType, currentSetup);
                 dictionary.Add(keyObject, valueObject);
             }
             return dictionary;
@@ -368,12 +369,12 @@ private object GetInterfaceInstance(Type interfaceType, ObjectFillerSetup setup)
             {
                 if (setup.InterfaceMocker == null)
                 {
-                    throw new InvalidOperationException(
-                        string.Format("ObjectFiller Interface mocker missing and type [{0}] not registered",
-                                      interfaceType.Name));
+	                string message = string.Format("ObjectFiller Interface mocker missing and type [{0}] not registered", interfaceType.Name);
+					Debug.WriteLine("ObjectFiller: " + message);
+	                throw new InvalidOperationException(message);
                 }
 
-                MethodInfo method = setup.InterfaceMocker.GetType().GetMethod("Create");
+	            MethodInfo method = setup.InterfaceMocker.GetType().GetMethod("Create");
                 MethodInfo genericMethod = method.MakeGenericMethod(new[] { interfaceType });
                 result = genericMethod.Invoke(setup.InterfaceMocker, null);
             }
@@ -388,7 +389,9 @@ private object GetRandomValue(Type propertyType, ObjectFillerSetup setup)
                 return setup.TypeToRandomFunc[propertyType]();
             }
 
-            throw new TypeInitializationException(propertyType.FullName, new Exception("The type [" + propertyType.Name + "] was not registered in the randomizer."));
+	        string message = "The type [" + propertyType.Name + "] was not registered in the randomizer.";
+			Debug.WriteLine("ObjectFiller: " + message);
+	        throw new TypeInitializationException(propertyType.FullName, new Exception(message));
         }
 
         private static bool TypeIsValidForObjectFiller(Type type, ObjectFillerSetup currentSetup)

ObjectFiller/Plugins/EnumeratorPlugin.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 
 namespace Tynamix.ObjectFiller
 {
@@ -31,7 +32,9 @@ public T GetValue()
 
                 if (!hasNext)
                 {
-                    throw new Exception("Unable to get next value from enumeration " + _enumerable);
+	                string message = "Unable to get next value from enumeration " + _enumerable;
+					Debug.WriteLine("ObjectFiller: " + message);
+					throw new Exception(message);
                 }
             }
 

ObjectFiller/Plugins/RandomListItem.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 
 namespace Tynamix.ObjectFiller
 {
@@ -11,9 +12,11 @@ public RandomListItem(List<T> allAvailableValues)
         {
             if (allAvailableValues == null || allAvailableValues.Count == 0)
             {
-                throw new ArgumentException("List in RandomListItem ranomizer can not be empty!");
+	            const string message = "List in RandomListItem ranomizer can not be empty!";
+				Debug.WriteLine("ObjectFiller: " + message);
+				throw new ArgumentException(message);
             }
-            _allAvailableValues = allAvailableValues;
+	        _allAvailableValues = allAvailableValues;
 
         }
 

ObjectFiller/Plugins/String/PatternGenerator.cs

@@ -251,6 +251,9 @@ private static char NextChar(char charClass)
 				if (charClass == 'A') return NextUpperCaseChar();
 				if (charClass == 'N') return NextDecimalDigit();
 				if (charClass == 'X') return NextHexDigit();
+
+				var message = "Unexpected character class: " + charClass;
+				Debug.WriteLine("ObjectFiller: " + message);
 				throw new InvalidOperationException();
 			}
 

ObjectFiller/Setup/FluentFillerApi.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Linq.Expressions;
 using System.Reflection;
 
@@ -114,9 +115,11 @@ public FluentFillerApi<TTargetObject> SetInterfaceMocker(IInterfaceMocker mocker
         {
             if (SetupManager.GetFor<TTargetObject>().InterfaceMocker != null)
             {
-                throw new ArgumentException("You can not set a interface mocker more than once!");
+	            const string message = "You can not set a interface mocker more than once!";
+				Debug.WriteLine("ObjectFiller: " + message);
+				throw new ArgumentException(message);
             }
-            SetupManager.GetFor<TTargetObject>().InterfaceMocker = mocker;
+	        SetupManager.GetFor<TTargetObject>().InterfaceMocker = mocker;
             return this;
         }