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631 lines
18 KiB
C#
631 lines
18 KiB
C#
//
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// ExceptionTest.cs - NUnit Test Cases for the System.Exception class
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//
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// Authors:
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// Linus Upson (linus@linus.com)
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// Duncan Mak (duncan@ximian.com)
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// Gert Driesen (drieseng@users.sourceforge.net)
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//
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// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
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//
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using System;
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using System.Collections;
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using System.Runtime.Serialization;
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using System.Reflection;
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using NUnit.Framework;
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using System.Threading.Tasks;
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namespace MonoTests.System
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{
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[TestFixture]
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public class ExceptionTest
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{
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[Test] // .ctor (SerializationInfo, StreamingContext)
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public void Constructor3 ()
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{
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SerializationInfo si;
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MyException ex;
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Exception inner;
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inner = new ArgumentException ();
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si = new SerializationInfo (typeof (Exception),
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new FormatterConverter ());
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si.AddValue ("ClassName", "CLASS");
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si.AddValue ("Message", "MSG");
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si.AddValue ("InnerException", inner, typeof (Exception));
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si.AddValue ("HelpURL", "URL");
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si.AddValue ("StackTraceString", null);
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si.AddValue ("RemoteStackTraceString", null);
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si.AddValue ("RemoteStackIndex", 0);
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si.AddValue ("HResult", 10);
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si.AddValue ("Source", "SRC");
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si.AddValue ("ExceptionMethod", null);
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Hashtable data = new Hashtable ();
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data.Add ("XX", "ZZ");
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si.AddValue ("Data", data, typeof (IDictionary));
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ex = new MyException (si, new StreamingContext ());
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Assert.AreEqual ("MSG", ex.Message, "#A1");
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Assert.AreSame (inner, ex.InnerException, "#A2");
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Assert.AreEqual ("URL", ex.HelpLink, "#A3");
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Assert.AreEqual (10, ex.HResult, "#A4");
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Assert.AreEqual ("SRC", ex.Source, "#A5");
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Assert.IsNotNull (ex.Data, "#A6");
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Assert.AreEqual (1, ex.Data.Keys.Count, "#A7");
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Assert.AreEqual ("ZZ", ex.Data ["XX"], "#A8");
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inner = null;
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si = new SerializationInfo (typeof (Exception),
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new FormatterConverter ());
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si.AddValue ("ClassName", "CLASS");
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si.AddValue ("Message", null);
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si.AddValue ("InnerException", inner, typeof (Exception));
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si.AddValue ("HelpURL", "URL");
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si.AddValue ("StackTraceString", null);
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si.AddValue ("RemoteStackTraceString", null);
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si.AddValue ("RemoteStackIndex", 0);
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si.AddValue ("HResult", 10);
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si.AddValue ("Source", "SRC");
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si.AddValue ("ExceptionMethod", null);
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ex = new MyException (si, new StreamingContext ());
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Assert.IsNotNull (ex.Message, "#B1");
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Assert.IsTrue (ex.Message.IndexOf ("CLASS") != -1, "#B2");
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Assert.IsNull (ex.InnerException, "#B3");
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Assert.AreEqual ("URL", ex.HelpLink, "#B4");
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Assert.AreEqual (10, ex.HResult, "#B5");
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Assert.AreEqual ("SRC", ex.Source, "#B6");
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Assert.IsNotNull (ex.Data, "#B7");
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Assert.AreEqual (0, ex.Data.Keys.Count, "#B8");
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}
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// This test makes sure that exceptions thrown on block boundaries are
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// handled in the correct block. The meaning of the 'caught' variable is
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// a little confusing since there are two catchers: the method being
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// tested the the method calling the test. There is probably a better
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// name, but I can't think of it right now.
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[Test]
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public void TestThrowOnBlockBoundaries ()
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{
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bool caught;
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try {
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caught = false;
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ThrowBeforeTry();
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} catch {
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caught = true;
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}
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Assert.IsTrue (caught, "Exceptions thrown before try blocks should not be caught");
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try {
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caught = false;
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ThrowAtBeginOfTry();
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} catch {
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caught = true;
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}
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Assert.IsFalse (caught, "Exceptions thrown at begin of try blocks should be caught");
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try {
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caught = false;
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ThrowAtEndOfTry();
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} catch {
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caught = true;
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}
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Assert.IsFalse (caught, "Exceptions thrown at end of try blocks should be caught");
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try {
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caught = false;
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ThrowAtBeginOfCatch();
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} catch {
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caught = true;
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}
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Assert.IsTrue (caught, "Exceptions thrown at begin of catch blocks should not be caught");
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try {
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caught = false;
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ThrowAtEndOfCatch();
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} catch {
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caught = true;
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}
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Assert.IsTrue (caught, "Exceptions thrown at end of catch blocks should not be caught");
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try {
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caught = false;
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ThrowAtBeginOfFinally();
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} catch {
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caught = true;
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}
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Assert.IsTrue (caught, "Exceptions thrown at begin of finally blocks should not be caught");
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try {
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caught = false;
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ThrowAtEndOfFinally();
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} catch {
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caught = true;
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}
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Assert.IsTrue (caught, "Exceptions thrown at end of finally blocks should not be caught");
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try {
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caught = false;
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ThrowAfterFinally();
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} catch {
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caught = true;
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}
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Assert.IsTrue (caught, "Exceptions thrown after finally blocks should not be caught");
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}
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private static void DoNothing()
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{
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}
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private static void ThrowException()
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{
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throw new Exception();
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}
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private static void ThrowBeforeTry()
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{
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ThrowException();
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try {
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DoNothing();
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} catch (Exception) {
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DoNothing();
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}
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}
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private static void ThrowAtBeginOfTry()
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{
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DoNothing();
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try {
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ThrowException();
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DoNothing();
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} catch (Exception) {
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DoNothing();
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}
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}
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private static void ThrowAtEndOfTry()
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{
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DoNothing();
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try {
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DoNothing();
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ThrowException();
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} catch (Exception) {
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DoNothing();
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}
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}
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private static void ThrowAtBeginOfCatch()
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{
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DoNothing();
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try {
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DoNothing();
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ThrowException();
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} catch (Exception) {
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throw;
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}
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}
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private static void ThrowAtEndOfCatch()
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{
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DoNothing();
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try {
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DoNothing();
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ThrowException();
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} catch (Exception) {
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DoNothing();
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throw;
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}
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}
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private static void ThrowAtBeginOfFinally()
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{
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DoNothing();
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try {
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DoNothing();
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ThrowException();
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} catch (Exception) {
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DoNothing();
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} finally {
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ThrowException();
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DoNothing();
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}
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}
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private static void ThrowAtEndOfFinally()
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{
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DoNothing();
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try {
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DoNothing();
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ThrowException();
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} catch (Exception) {
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DoNothing();
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} finally {
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DoNothing();
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ThrowException();
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}
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}
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private static void ThrowAfterFinally()
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{
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DoNothing();
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try {
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DoNothing();
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ThrowException();
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} catch (Exception) {
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DoNothing();
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} finally {
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DoNothing();
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}
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ThrowException();
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}
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[Test]
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[Category("StackWalks")]
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public void GetObjectData ()
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{
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string msg = "MESSAGE";
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Exception inner = new ArgumentException ("whatever");
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SerializationInfo si;
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Exception se;
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se = new Exception (msg, inner);
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si = new SerializationInfo (typeof (Exception),
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new FormatterConverter ());
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se.GetObjectData (si, new StreamingContext ());
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Assert.AreEqual (11, si.MemberCount, "#A1");
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Assert.AreEqual (typeof (Exception).FullName, si.GetString ("ClassName"), "#A2");
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Assert.IsNull (si.GetValue ("Data", typeof (IDictionary)), "#A3");
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Assert.AreSame (msg, si.GetString ("Message"), "#A4");
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Assert.AreSame (inner, si.GetValue ("InnerException", typeof (Exception)), "#A5");
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Assert.AreSame (se.HelpLink, si.GetString ("HelpURL"), "#A6");
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Assert.IsNull (si.GetString ("StackTraceString"), "#A7");
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Assert.IsNull (si.GetString ("RemoteStackTraceString"), "#A8");
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Assert.AreEqual (0, si.GetInt32 ("RemoteStackIndex"), "#A9");
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Assert.AreEqual (-2146233088, si.GetInt32 ("HResult"), "#A10");
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Assert.IsNull (si.GetString ("Source"), "#A11");
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Assert.IsNull (si.GetString ("ExceptionMethod"), "#A12");
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// attempt initialization of lazy init members
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Assert.IsNotNull (se.Data);
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Assert.IsNull (se.Source);
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Assert.IsNull (se.StackTrace);
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si = new SerializationInfo (typeof (Exception),
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new FormatterConverter ());
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se.GetObjectData (si, new StreamingContext ());
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Assert.AreEqual (11, si.MemberCount, "#B1");
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Assert.AreEqual (typeof (Exception).FullName, si.GetString ("ClassName"), "#B2");
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Assert.AreSame (se.Data, si.GetValue ("Data", typeof (IDictionary)), "#B3");
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Assert.AreSame (msg, si.GetString ("Message"), "#B4");
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Assert.AreSame (inner, si.GetValue ("InnerException", typeof (Exception)), "#B5");
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Assert.AreSame (se.HelpLink, si.GetString ("HelpURL"), "#B6");
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Assert.IsNull (si.GetString ("StackTraceString"), "#B7");
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Assert.IsNull (si.GetString ("RemoteStackTraceString"), "#B8");
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Assert.AreEqual (0, si.GetInt32 ("RemoteStackIndex"), "#B9");
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Assert.AreEqual (-2146233088, si.GetInt32 ("HResult"), "#B10");
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Assert.IsNull (si.GetString ("Source"), "#B11");
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Assert.IsNull (si.GetString ("ExceptionMethod"), "#B12");
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try {
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throw new Exception (msg, inner);
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} catch (Exception ex) {
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si = new SerializationInfo (typeof (Exception),
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new FormatterConverter ());
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ex.GetObjectData (si, new StreamingContext ());
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Assert.AreEqual (11, si.MemberCount, "#C1");
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Assert.AreEqual (typeof (Exception).FullName, si.GetString ("ClassName"), "#C2");
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Assert.IsNull (si.GetValue ("Data", typeof (IDictionary)), "#C3");
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Assert.AreSame (msg, si.GetString ("Message"), "#C4");
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Assert.AreSame (inner, si.GetValue ("InnerException", typeof (Exception)), "#C5");
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Assert.AreSame (se.HelpLink, si.GetString ("HelpURL"), "#C6");
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Assert.IsNotNull (si.GetString ("StackTraceString"), "#C7");
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Assert.IsNull (si.GetString ("RemoteStackTraceString"), "#C8");
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Assert.AreEqual (0, si.GetInt32 ("RemoteStackIndex"), "#C9");
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Assert.AreEqual (-2146233088, si.GetInt32 ("HResult"), "#C10");
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Assert.IsNotNull (si.GetString ("Source"), "#C11");
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//Assert.IsNotNull (si.GetString ("ExceptionMethod"), "#C12");
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}
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try {
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throw new Exception (msg, inner);
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} catch (Exception ex) {
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// force initialization of lazy init members
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Assert.IsNotNull (ex.Data);
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Assert.IsNotNull (ex.StackTrace);
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si = new SerializationInfo (typeof (Exception),
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new FormatterConverter ());
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ex.GetObjectData (si, new StreamingContext ());
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Assert.AreEqual (11, si.MemberCount, "#D1");
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Assert.AreEqual (typeof (Exception).FullName, si.GetString ("ClassName"), "#D2");
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Assert.AreSame (ex.Data, si.GetValue ("Data", typeof (IDictionary)), "#D3");
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Assert.AreSame (msg, si.GetString ("Message"), "#D4");
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Assert.AreSame (inner, si.GetValue ("InnerException", typeof (Exception)), "#D5");
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Assert.AreSame (ex.HelpLink, si.GetString ("HelpURL"), "#D6");
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Assert.IsNotNull (si.GetString ("StackTraceString"), "#D7");
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Assert.IsNull (si.GetString ("RemoteStackTraceString"), "#D8");
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Assert.AreEqual (0, si.GetInt32 ("RemoteStackIndex"), "#D9");
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Assert.AreEqual (-2146233088, si.GetInt32 ("HResult"), "#D10");
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Assert.AreEqual (typeof (ExceptionTest).Assembly.GetName ().Name, si.GetString ("Source"), "#D11");
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//Assert.IsNotNull (si.GetString ("ExceptionMethod"), "#D12");
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}
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}
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[Test]
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public void GetObjectData_Info_Null ()
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{
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Exception e = new Exception ();
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try {
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e.GetObjectData (null, new StreamingContext ());
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Assert.Fail ("#1");
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} catch (ArgumentNullException ex) {
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Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#2");
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Assert.IsNull (ex.InnerException, "#3");
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Assert.IsNotNull (ex.Message, "#4");
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Assert.AreEqual ("info", ex.ParamName, "#5");
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}
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}
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[Test]
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public void HResult ()
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{
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MyException ex = new MyException ();
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Assert.AreEqual (-2146233088, ex.HResult, "#1");
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ex.HResult = int.MaxValue;
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Assert.AreEqual (int.MaxValue, ex.HResult, "#2");
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ex.HResult = int.MinValue;
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Assert.AreEqual (int.MinValue, ex.HResult, "#3");
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}
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[Test]
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[Category("StackWalks")]
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public void Source ()
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{
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Exception ex1 = new Exception ("MSG");
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Assert.IsNull (ex1.Source, "#1");
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try {
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throw new Exception ("MSG");
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} catch (Exception ex2) {
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Assert.AreEqual (typeof (ExceptionTest).Assembly.GetName ().Name, ex2.Source, "#2");
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}
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}
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[Test]
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public void Source_InnerException ()
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{
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Exception a = new Exception ("a", new ArgumentException ("b"));
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a.Source = "foo";
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Assert.IsNull (a.InnerException.Source);
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}
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#if !MOBILE
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void NestedStackTraces (int depth)
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{
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if (depth == 0)
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throw new ArgumentException ("Depth 0 exception");
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try {
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NestedStackTraces (depth - 1);
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} catch (Exception exc) {
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throw new Exception (String.Format ("Depth {0} exception, expect nested", depth), exc);
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}
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}
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void StacktraceToStateTest (int depth)
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{
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try {
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NestedStackTraces (depth);
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} catch (Exception exc) {
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var monoType = Type.GetType ("Mono.Runtime", false);
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var convert = monoType.GetMethod("ExceptionToState", BindingFlags.NonPublic | BindingFlags.Static);
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object [] convert_params = new object[] {exc};
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var output = (Tuple<String, ulong, ulong>) convert.Invoke(null, convert_params);
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var dump = output.Item1;
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var portable_hash = output.Item2;
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var unportable_hash = output.Item3;
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// To see what we're working with
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// Console.WriteLine (dump);
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Assert.IsTrue (portable_hash != 0, "#1");
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Assert.IsTrue (unportable_hash != 0, "#2");
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Assert.IsTrue (dump.Length > 0, "#3");
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}
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}
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|
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// Ensure that we can convert a stacktrace to a
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// telemetry message
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//
|
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[Test]
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[Category("NotOnWindows")]
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public void StacktraceToStateBase ()
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{
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StacktraceToStateTest (0);
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}
|
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|
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[Test]
|
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[Category("NotOnWindows")]
|
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public void StacktraceToStateDeeper ()
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{
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StacktraceToStateTest (2);
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}
|
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|
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[Test]
|
|
[Category("NotOnWindows")]
|
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public void StacktraceToStateOverflow ()
|
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{
|
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// We set a limit on 15 nested exceptions. Lets check that we're valid
|
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// when exceeding that limit.
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StacktraceToStateTest (20);
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}
|
|
|
|
void DumpSingle ()
|
|
{
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var monoType = Type.GetType ("Mono.Runtime", false);
|
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var convert = monoType.GetMethod("DumpStateSingle", BindingFlags.NonPublic | BindingFlags.Static);
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var output = (Tuple<String, ulong, ulong>) convert.Invoke(null, Array.Empty<object> ());
|
|
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var dump = output.Item1;
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var portable_hash = output.Item2;
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var unportable_hash = output.Item3;
|
|
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Assert.IsTrue (portable_hash != 0, "#1");
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Assert.IsTrue (unportable_hash != 0, "#2");
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Assert.IsTrue (dump.Length > 0, "#3");
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}
|
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|
|
void DumpTotal ()
|
|
{
|
|
var monoType = Type.GetType ("Mono.Runtime", false);
|
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var convert = monoType.GetMethod("DumpStateTotal", BindingFlags.NonPublic | BindingFlags.Static);
|
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var output = (Tuple<String, ulong, ulong>) convert.Invoke(null, Array.Empty<object> ());
|
|
|
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var dump = output.Item1;
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var portable_hash = output.Item2;
|
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var unportable_hash = output.Item3;
|
|
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Assert.IsTrue (portable_hash != 0, "#1");
|
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Assert.IsTrue (unportable_hash != 0, "#2");
|
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Assert.IsTrue (dump.Length > 0, "#3");
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}
|
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|
|
void DumpLogSet ()
|
|
{
|
|
var monoType = Type.GetType ("Mono.Runtime", false);
|
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var convert = monoType.GetMethod("EnableCrashReportLog", BindingFlags.NonPublic | BindingFlags.Static);
|
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convert.Invoke(null, new object[] { "./" });
|
|
}
|
|
|
|
void DumpLogUnset ()
|
|
{
|
|
var monoType = Type.GetType ("Mono.Runtime", false);
|
|
var convert = monoType.GetMethod("EnableCrashReportLog", BindingFlags.NonPublic | BindingFlags.Static);
|
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convert.Invoke(null, new object[] { null });
|
|
}
|
|
|
|
void DumpLogCheck ()
|
|
{
|
|
var monoType = Type.GetType ("Mono.Runtime", false);
|
|
var convert = monoType.GetMethod("CheckCrashReportLog", BindingFlags.NonPublic | BindingFlags.Static);
|
|
var result = convert.Invoke(null, new object[] { "./", true });
|
|
var enumType = monoType.Assembly.GetType("Mono.Runtime+CrashReportLogLevel");
|
|
var doneEnum = Enum.Parse(enumType, "MonoSummaryDone");
|
|
Assert.AreEqual (doneEnum, result, "#DLC1");
|
|
}
|
|
|
|
[Test]
|
|
[Category("NotOnWindows")]
|
|
public void DumpICallTotalLogged ()
|
|
{
|
|
DumpLogSet ();
|
|
DumpTotal ();
|
|
DumpLogUnset ();
|
|
DumpLogCheck ();
|
|
}
|
|
|
|
[Test]
|
|
[Category("NotOnWindows")]
|
|
public void DumpICallSingleOnce ()
|
|
{
|
|
DumpSingle ();
|
|
}
|
|
|
|
[Test]
|
|
[Category("NotOnWindows")]
|
|
public void DumpICallSingleConcurrent ()
|
|
{
|
|
// checks that self-dumping works in parallel, locklessly
|
|
int amt = 20;
|
|
var tasks = new Task [amt];
|
|
for (int i=0; i < amt; i++)
|
|
tasks [i] = Task.Run(() => DumpSingle ());
|
|
Task.WaitAll (tasks);
|
|
}
|
|
|
|
[Test]
|
|
[Category("NotOnWindows")]
|
|
public void DumpICallSingleAsync ()
|
|
{
|
|
// checks that dumping works in an async context
|
|
var t = Task.Run(() => DumpSingle ());
|
|
t.Wait ();
|
|
}
|
|
|
|
[Test]
|
|
[Category("NotOnWindows")]
|
|
public void DumpICallTotalOnce ()
|
|
{
|
|
DumpTotal ();
|
|
}
|
|
|
|
[Test]
|
|
[Category("NotOnWindows")]
|
|
public void DumpICallTotalRepeated ()
|
|
{
|
|
// checks that the state doesn't get broken with repeated use
|
|
DumpTotal ();
|
|
DumpTotal ();
|
|
DumpTotal ();
|
|
}
|
|
|
|
[Test]
|
|
[Category("NotOnWindows")]
|
|
public void DumpICallTotalAsync ()
|
|
{
|
|
// checks that dumping works in an async context
|
|
var t = Task.Run(() => DumpTotal ());
|
|
t.Wait ();
|
|
}
|
|
|
|
[Test]
|
|
[Category("NotOnWindows")]
|
|
public void DumpICallTotalConcurrent ()
|
|
{
|
|
int amt = 3;
|
|
var tasks = new Task [amt];
|
|
for (int i=0; i < amt; i++)
|
|
tasks [i] = Task.Run(() => DumpTotal ());
|
|
Task.WaitAll (tasks);
|
|
}
|
|
|
|
#endif
|
|
|
|
[Test]
|
|
public void StackTrace ()
|
|
{
|
|
Exception ex1 = new Exception ("MSG");
|
|
Assert.IsNull (ex1.StackTrace, "#1");
|
|
|
|
try {
|
|
throw new Exception ("MSG");
|
|
} catch (Exception ex2) {
|
|
Assert.IsNotNull (ex2.StackTrace, "#2");
|
|
}
|
|
}
|
|
|
|
class MyException : Exception {
|
|
public MyException ()
|
|
{
|
|
}
|
|
|
|
public MyException (SerializationInfo info, StreamingContext context)
|
|
: base (info, context)
|
|
{
|
|
}
|
|
|
|
public new int HResult {
|
|
get { return base.HResult; }
|
|
set { base.HResult = value; }
|
|
}
|
|
}
|
|
}
|
|
}
|