| title |
lastmodified |
redirect_from |
| CollectionBaseTest.cs |
2005-02-25 |
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CollectionBaseTest.cs
//
// System.Collections.CollectionBase
// Test suite for System.Collections.CollectionBase
//
// Author:
// Nick D. Drochak II
//
// (C) 2001 Nick D. Drochak II
//
using System;
using System.Collections;
using NUnit.Framework;
namespace MonoTests.System.Collections
{
public class CollectionBaseTest : TestCase
{
public CollectionBaseTest () : base
("System.Collection.CollectionBase testsuite")
{}
public CollectionBaseTest (String name) : base (name)
{}
// We need a concrete class to test the abstract base
// class
public class ConcreteCollection : CollectionBase
{
// These fields are used as markers to test
// the On* hooks.
public bool onClearFired;
public bool onClearCompleteFired;
public bool onInsertFired;
public int onInsertIndex;
public bool onInsertCompleteFired;
public int onInsertCompleteIndex;
public bool onRemoveFired;
public int onRemoveIndex;
public bool onRemoveCompleteFired;
public int onRemoveCompleteIndex;
public bool onSetFired;
public int onSetOldValue;
public int onSetNewValue;
public bool onSetCompleteFired;
public int onSetCompleteOldValue;
public int onSetCompleteNewValue;
// This constructor is used to test OnValid()
public ConcreteCollection()
{
IList listObj;
listObj = this;
listObj.Add(null);
}
// This constructor puts consecutive integers into the list
public ConcreteCollection(int i) {
IList listObj;
listObj = this;
int j;
for (j = 0; j< i; j++) {
listObj.Add(j);
}
}
// A helper method to look at a value in the
// list at a specific index
public int PeekAt(int index)
{
IList listObj;
listObj = this;
return (int) listObj[index];
}
// Mark the flag if this hook is fired
protected override void OnClear() {
this.onClearFired = true;
}
// Mark the flag if this hook is fired
protected override void OnClearComplete()
{
this.onClearCompleteFired = true;
}
// Mark the flag, and save the paramter if
// this hook is fired
protected override void OnInsert(int index,
object value)
{
this.onInsertFired = true;
this.onInsertIndex = index;
}
// Mark the flag, and save the paramter if
// this hook is fired
protected override void OnInsertComplete(int index,
object value)
{
this.onInsertCompleteFired = true;
this.onInsertCompleteIndex = index;
}
// Mark the flag, and save the paramter if this hook
// is fired
protected override void OnRemove(int index,
object value)
{
this.onRemoveFired = true;
this.onRemoveIndex = index;
}
// Mark the flag, and save the paramter if this hook
// is fired
protected override void OnRemoveComplete(int index,
object value)
{
this.onRemoveCompleteFired = true;
this.onRemoveCompleteIndex = index;
}
// Mark the flag, and save the paramters if this hook
// is fired
protected override void OnSet(int index, object oldValue,
object newValue)
{
this.onSetFired = true;
this.onSetOldValue = (int) oldValue;
this.onSetNewValue = (int) newValue;
}
// Mark the flag, and save the paramters if this hook
// is fired
protected override void OnSetComplete(int index,
object oldValue,
object newValue)
{
this.onSetCompleteFired = true;
this.onSetCompleteOldValue = (int) oldValue;
this.onSetCompleteNewValue = (int) newValue;
}
} // public class ConcreteCollection
public static ITest Suite {
get {
return new TestSuite
(typeof(CollectionBaseTest));
}
}
// Check the count property
public void TestCount() {
ConcreteCollection myCollection;
myCollection = new ConcreteCollection(4);
Assert(4 == myCollection.Count);
}
// Make sure GetEnumerator returns an object
public void TestGetEnumerator() {
ConcreteCollection myCollection;
myCollection = new ConcreteCollection(4);
Assert(null != myCollection.GetEnumerator());
}
// OnValid disallows nulls
public void TestOnValid() {
ConcreteCollection myCollection;
try {
myCollection = new ConcreteCollection();
}
catch (ArgumentNullException) {
}
}
// Test various Insert paths
public void TestInsert() {
ConcreteCollection myCollection;
int numberOfItems;
numberOfItems = 3;
// The constructor inserts
myCollection = new ConcreteCollection(numberOfItems);
Assert(myCollection.onInsertFired);
Assert(myCollection.onInsertCompleteFired);
// Using the IList interface, check inserts in the middle
IList listObj = myCollection;
listObj.Insert(1, 9);
Assert(myCollection.onInsertIndex == 1);
Assert(myCollection.onInsertCompleteIndex == 1);
Assert(myCollection.PeekAt(1) == 9);
}
// Test Clear and it's hooks
public void TestClear()
{
ConcreteCollection myCollection;
int numberOfItems;
numberOfItems = 1;
myCollection = new ConcreteCollection(numberOfItems);
myCollection.Clear();
Assert(myCollection.Count == 0);
Assert(myCollection.onClearFired);
Assert(myCollection.onClearCompleteFired);
}
// Test RemoveAt, other removes and the hooks
public void TestRemove()
{
ConcreteCollection myCollection;
int numberOfItems;
numberOfItems = 3;
// Set up a test collection
myCollection = new ConcreteCollection(numberOfItems);
// The list is 0-based. So if we remove the second one
myCollection.RemoveAt(1);
// We should see the original third one in it's place
Assert(myCollection.PeekAt(1) == 2);
Assert(myCollection.onRemoveFired);
Assert(myCollection.onRemoveIndex == 1);
Assert(myCollection.onRemoveCompleteFired);
Assert(myCollection.onRemoveCompleteIndex == 1);
IList listObj = myCollection;
listObj.Remove(0);
// Confirm parameters are being passed to the hooks
Assert(myCollection.onRemoveIndex == 0);
Assert(myCollection.onRemoveCompleteIndex == 0);
}
// Test the random access feature
public void TestSet()
{
ConcreteCollection myCollection;
int numberOfItems;
numberOfItems = 3;
myCollection = new ConcreteCollection(numberOfItems);
IList listObj = myCollection;
listObj[0] = 99;
Assert((int) listObj[0] == 99);
Assert(myCollection.onSetFired);
Assert(myCollection.onSetCompleteFired);
Assert(myCollection.onSetOldValue == 0);
Assert(myCollection.onSetCompleteOldValue == 0);
Assert(myCollection.onSetNewValue == 99);
Assert(myCollection.onSetCompleteNewValue == 99);
}
}
}