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//
// ExceptionTest.cs - NUnit Test Cases for the System.Exception class
//
// Linus Upson (linus@linus.com)
//
using System;
using NUnit.Framework;
namespace MonoTests.System
{
public class ExceptionTest : TestCase
{
public ExceptionTest() : base ("MonoTests.System.ExceptionTest testsuite") {}
public ExceptionTest(string name) : base(name) {}
public static ITest Suite {
get {
return new TestSuite(typeof(ExceptionTest));
}
}
// This test makes sure that exceptions thrown on block boundaries are
// handled in the correct block. The meaning of the 'caught' variable is
// a little confusing since there are two catchers: the method being
// tested the the method calling the test. There is probably a better
// name, but I can't think of it right now.
public void TestThrowOnBlockBoundaries()
{
bool caught;
try {
caught = false;
ThrowBeforeTry();
} catch {
caught = true;
}
Assert("Exceptions thrown before try blocks should not be caught", caught);
try {
caught = false;
ThrowAtBeginOfTry();
} catch {
caught = true;
}
Assert("Exceptions thrown at begin of try blocks should be caught", !caught);
try {
caught = false;
ThrowAtEndOfTry();
} catch {
caught = true;
}
Assert("Exceptions thrown at end of try blocks should be caught", !caught);
try {
caught = false;
ThrowAtBeginOfCatch();
} catch {
caught = true;
}
Assert("Exceptions thrown at begin of catch blocks should not be caught", caught);
try {
caught = false;
ThrowAtEndOfCatch();
} catch {
caught = true;
}
Assert("Exceptions thrown at end of catch blocks should not be caught", caught);
try {
caught = false;
ThrowAtBeginOfFinally();
} catch {
caught = true;
}
Assert("Exceptions thrown at begin of finally blocks should not be caught", caught);
try {
caught = false;
ThrowAtEndOfFinally();
} catch {
caught = true;
}
Assert("Exceptions thrown at end of finally blocks should not be caught", caught);
try {
caught = false;
ThrowAfterFinally();
} catch {
caught = true;
}
Assert("Exceptions thrown after finally blocks should not be caught", caught);
}
private static void DoNothing()
{
}
private static void ThrowException()
{
throw new Exception();
}
private static void ThrowBeforeTry()
{
ThrowException();
try {
DoNothing();
} catch (Exception) {
DoNothing();
}
}
private static void ThrowAtBeginOfTry()
{
DoNothing();
try {
ThrowException();
DoNothing();
} catch (Exception) {
DoNothing();
}
}
private static void ThrowAtEndOfTry()
{
DoNothing();
try {
DoNothing();
ThrowException();
} catch (Exception) {
DoNothing();
}
}
private static void ThrowAtBeginOfCatch()
{
DoNothing();
try {
DoNothing();
ThrowException();
} catch (Exception) {
throw;
}
}
private static void ThrowAtEndOfCatch()
{
DoNothing();
try {
DoNothing();
ThrowException();
} catch (Exception) {
DoNothing();
throw;
}
}
private static void ThrowAtBeginOfFinally()
{
DoNothing();
try {
DoNothing();
ThrowException();
} catch (Exception) {
DoNothing();
} finally {
ThrowException();
DoNothing();
}
}
private static void ThrowAtEndOfFinally()
{
DoNothing();
try {
DoNothing();
ThrowException();
} catch (Exception) {
DoNothing();
} finally {
DoNothing();
ThrowException();
}
}
private static void ThrowAfterFinally()
{
DoNothing();
try {
DoNothing();
ThrowException();
} catch (Exception) {
DoNothing();
} finally {
DoNothing();
}
ThrowException();
}
}
}
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