public void Exists_VerifyExceptions(T[] items)
{
using (var list = new PooledList <T>())
{
for (int i = 0; i < items.Length; ++i)
{
list.Add(items[i]);
}
//[] Verify Null match
Assert.Throws <ArgumentNullException>(() => list.Exists(null)); //"Err_858ahia Expected null match to throw ArgumentNullException"
}
}
private void Exists_VerifyVanilla(T[] items)
{
T expectedItem = default;
using (var list = new PooledList <T>())
{
bool expectedItemDelegate(T item)
{
return(expectedItem == null ? item == null : expectedItem.Equals(item));
}
bool typeNullable = default(T) == null;
for (int i = 0; i < items.Length; ++i)
{
list.Add(items[i]);
}
//[] Verify Exists returns the correct index
for (int i = 0; i < items.Length; ++i)
{
expectedItem = items[i];
Assert.True(list.Exists(expectedItemDelegate),
"Err_282308ahid Verifying Nullable returned FAILED\n");
}
//[] Verify Exists returns true if the match returns true on every item
Assert.True((0 < items.Length) == list.Exists((T item) => { return(true); }),
"Err_548ahid Verify Exists returns 0 if the match returns true on every item FAILED\n");
//[] Verify Exists returns false if the match returns false on every item
Assert.True(!list.Exists((T item) => { return(false); }),
"Err_30848ahidi Verify Exists returns -1 if the match returns false on every item FAILED\n");
//[] Verify with default(T)
list.Add(default);
