public void DoSomething(int param1, int param2)
{
CallTracer.Output("DoSomething: Entering");
_variable1 = param1;
AssignState(param2);
CallTracer.Output("DoSomething: Exiting");
}
public static void TestExamples()
{
CallTracer.Start(System.Reflection.MethodBase.GetCurrentMethod());
CallTracer.Output("You should not get any output other than method names in this method context");
BetterExamples();
BadExamples();
CallTracer.End();
}
public void DoSomething3(int param1, int param2)
{
CallTracer.Output("DoSomething3: Entering");
int temp = param1;
AssignState(param2);
param1 = temp;
CallTracer.Output("DoSomething3: Exiting");
}
public void AssignState(int param1)
{
CallTracer.Output("AssignState: Entering");
if (param1 < 1)
{
CallTracer.Output("AssignState: Throwing the exception");
throw new Exception();
}
_variable2 = param1;
CallTracer.Output("AssignState: Exiting");
}
public static void BetterExamples()
{
CallTracer.Start(System.Reflection.MethodBase.GetCurrentMethod());
int[] arr = BetterExampleErrorHandling.GetArrayValues();
for (int c1 = 0; c1 < arr.Length; c1++)
{
CallTracer.Output("Value is " + arr[c1]);
}
if (BetterExampleErrorHandling.GetStringValue().Length > 0)
{
CallTracer.Output("Not an empty String");
}
CallTracer.End();
}
public static void Assertions()
{
CallTracer.Start(System.Reflection.MethodBase.GetCurrentMethod());
int param1 = 10;
Assert.IsTrue(param1 > 0,
new InstantiateException(AssertionFailure.Instantiate));
param1 = -1;
CallTracer.Output("No exception at this point");
Assert.IsTrue(param1 > 0,
new InstantiateException(AssertionFailure.Instantiate));
CallTracer.End();
}
public static void RunExceptions()
{
CallTracer.Start(System.Reflection.MethodBase.GetCurrentMethod());
ExceptionExamples obj = new ExceptionExamples();
try {
obj.ThrowException();
}
catch (Exception ex) {
CallTracer.Output("----\n" + ex.TargetSite.ToString() + "\n-----");
CallTracer.Output("----\n" + ex.Source + "\n-----");
CallTracer.Output("----\n" + ex.StackTrace + "\n----");
}
CallTracer.End();
}
public static void RunProgramState()
{
CallTracer.Start(System.Reflection.MethodBase.GetCurrentMethod());
try {
ProgramState obj = new ProgramState();
CallTracer.Output("*****************************************");
obj.DoSomething(10, 10);
CallTracer.Output("*****************************************");
obj.DoSomething2(0, 0);
}
catch (Exception ex) {
CallTracer.Output("RunProgramState: Caught an exception");
}
CallTracer.End();
}
public static void DoSomething()
{
CallTracer.Start(System.Reflection.MethodBase.GetCurrentMethod());
MyObject obj = new MyObject();
obj.DoSomething(-1);
try {
obj.DoSomethingAssert(-1);
}
catch (Exception except) {
CallTracer.Output(except.Message);
;
}
CallTracer.End();
}
public void DoSomething2(int param1, int param2)
{
CallTracer.Output("DoSomething2: Entering");
int temp = _variable1;
try {
_variable1 = param1;
AssignState(param2);
}
finally {
_variable1 = temp;
CallTracer.Output("DoSomething2: Exception in gear, but finally");
}
CallTracer.Output("DoSomething2: Exiting");
}
public static void ExampleMethod()
{
CallTracer.Start(System.Reflection.MethodBase.GetCurrentMethod());
int[] args = new int[10];
try {
for (int c1 = 0; ; c1++)
{
try {
CallTracer.Output("Counter " + c1);
}
catch (Exception ex) {
;
}
args[c1] = 1;
}
}
catch (IndexOutOfRangeException excep) {
CallTracer.Output("Yupe hit the end of the array");
}
CallTracer.End();
}
public static void BadExamples()
{
CallTracer.Start(System.Reflection.MethodBase.GetCurrentMethod());
int[] arr = BadExampleErrorHandling.GetArrayValues();
if (arr != null)
{
for (int c1 = 0; c1 < arr.Length; c1++)
{
CallTracer.Output("Value is " + arr[c1]);
}
}
string value = BadExampleErrorHandling.GetStringValue();
if (value != null)
{
if (value.Length > 0)
{
CallTracer.Output("Not an empty String");
}
}
CallTracer.End();
}
public static void DifferenceErrorAndException()
{
CallTracer.Start(System.Reflection.MethodBase.GetCurrentMethod());
Chap02SectImplError.BadExceptionUsage.ExampleMethod();
CallTracer.End();
}
