public static void CopyToTest()
{
string[] anArray = new string[] { "one", "two", "three", "four" };
ObservableList <string> collection = new ObservableList <string>((IEnumerable <string>)anArray);
string[] aCopy = new string[collection.Count];
collection.CopyTo(aCopy, 0);
for (int i = 0; i < anArray.Length; ++i)
{
Assert.Equal(anArray[i], aCopy[i]);
}
// copy observable collection starting in middle, where array is larger than source.
aCopy = new string[collection.Count + 2];
int offsetIndex = 1;
collection.CopyTo(aCopy, offsetIndex);
for (int i = 0; i < aCopy.Length; i++)
{
string value = aCopy[i];
if (i == 0)
{
Assert.True(null == value, "Should not have a value since we did not start copying there.");
}
else if (i == (aCopy.Length - 1))
{
Assert.True(null == value, "Should not have a value since the collection is shorter than the copy array..");
}
else
{
int indexInCollection = i - offsetIndex;
Assert.Equal(collection[indexInCollection], aCopy[i]);
}
}
}
public void Observable_List_Info_Operations_Should_Subscribe_To_Version(bool triggerViaIndexer)
{
var lst = new ObservableList <int>()
{
1, 2, 3
};
var copyTo = WhenTwice(() => lst.CopyTo(new int[3], 0));
// ReSharper disable ReturnValueOfPureMethodIsNotUsed
var contains = WhenTwice(() => lst.Contains(5));
var indexOf = WhenTwice(() => lst.IndexOf(5));
var enumerator = WhenTwice(() => lst.GetEnumerator());
// ReSharper restore ReturnValueOfPureMethodIsNotUsed
var arr = new[] { copyTo, contains, indexOf, enumerator };
Assert.True(arr.All(t => !t.IsCompleted));
if (triggerViaIndexer)
{
lst[0] = 5;
}
else
{
lst.Add(5);
}
Assert.True(arr.All(t => t.IsCompleted));
}
public void CopyToArrayWithIndex()
{
var list = new ObservableList <int>(sampleList);
int[] array = new int[10];
list.CopyTo(array, 2);
Assert.AreEqual(1, array[2]);
Assert.AreEqual(2, array[3]);
Assert.AreEqual(3, array[4]);
Assert.AreEqual(4, array[5]);
Assert.AreEqual(5, array[6]);
}
public void CopyToArrayWithIndex()
{
var list = new ObservableList <int>(new List <int> {
1, 2, 3, 4, 5
});
var array = new int[10];
list.CopyTo(array, 2);
Assert.AreEqual(1, array[2]);
Assert.AreEqual(2, array[3]);
Assert.AreEqual(3, array[4]);
Assert.AreEqual(4, array[5]);
Assert.AreEqual(5, array[6]);
}
public void CopyTo(ContentItem[] array, int arrayIndex)
{
contents.CopyTo(array, arrayIndex);
}
public static void CopyToTest_Negative()
{
string[] anArray = new string[] { "one", "two", "three", "four" };
ObservableList <string> collection = new ObservableList <string>(anArray);
int[] iArrInvalidValues = new int[] { -1, -2, -100, -1000, -10000, -100000, -1000000, -10000000, -100000000, -1000000000, int.MinValue };
foreach (var index in iArrInvalidValues)
{
string[] aCopy = new string[collection.Count];
AssertExtensions.Throws <ArgumentOutOfRangeException>("destinationIndex", "dstIndex", () => collection.CopyTo(aCopy, index));
}
int[] iArrLargeValues = new int[] { collection.Count, int.MaxValue, int.MaxValue / 2, int.MaxValue / 10 };
foreach (var index in iArrLargeValues)
{
string[] aCopy = new string[collection.Count];
AssertExtensions.Throws <ArgumentException>("destinationArray", null, () => collection.CopyTo(aCopy, index));
}
AssertExtensions.Throws <ArgumentNullException>("destinationArray", "dest", () => collection.CopyTo(null, 1));
string[] copy = new string[collection.Count - 1];
AssertExtensions.Throws <ArgumentException>("destinationArray", "", () => collection.CopyTo(copy, 0));
copy = new string[0];
AssertExtensions.Throws <ArgumentException>("destinationArray", "", () => collection.CopyTo(copy, 0));
}
