public void FirstOrDefault_With_ValidData_Must_Succeed(int[] source)
{
// Arrange
var wrapped = Wrap
.AsValueReadOnlyList(source);
var expected =
System.Linq.Enumerable.FirstOrDefault(source);
// Act
var result = ReadOnlyList
.FirstOrDefault <Wrap.ValueReadOnlyList <int>, int>(wrapped);
// Assert
_ = result.Must()
.BeEqualTo(expected);
}
public void List_FirstOrDefault()
{
var list = new int[] { };
Assert.AreEqual(0, ReadOnlyList.FirstOrDefault(list));
list = new int[] { 3 };
Assert.AreEqual(3, ReadOnlyList.FirstOrDefault(list));
list = new int[] { 9, 3, 1 };
Assert.AreEqual(9, ReadOnlyList.FirstOrDefault(list));
var list2 = new string[] { };
Assert.AreEqual((string)null, ReadOnlyList.FirstOrDefault(list2));
list2 = new string[] { "one" };
Assert.AreEqual("one", ReadOnlyList.FirstOrDefault(list2));
list2 = new string[] { "three", "two", "one" };
Assert.AreEqual("three", ReadOnlyList.FirstOrDefault(list2));
}