public void Find()
{
Assert.IsNull(iEnum.Find((item, index) => false));
Assert.IsTrue(iEnum.Find((item, index) => true) == "a");
AssertUtil.Exception(() =>
{
var ienumList = iEnum.ToList();
Assert.IsTrue(ienumList.Find((item, index) =>
{
if (index == 0)
{
ienumList.Add("c"); //修改时将抛出异常;
}
return(item == "c");
}) == "c");
});
}
