public async Task WhenAllIEnumerable()
{
var tcs1 = new TaskCompletionSource <int>();
var tcs2 = new TaskCompletionSource <int>();
var tcs3 = new TaskCompletionSource <int>();
IEnumerable <ValueTask <int> > enumerable = new[] { tcs1.Task.AsValueTask(), tcs2.Task.AsValueTask(), tcs3.Task.AsValueTask() };
var task = ValueTaskEx.WhenAll(enumerable);
Assert.IsFalse(task.IsCompleted);
tcs1.SetResult(123);
Assert.IsFalse(task.IsCompleted);
tcs2.SetResult(456);
Assert.IsFalse(task.IsCompleted);
tcs3.SetResult(789);
Assert.IsTrue(task.IsCompleted);
Assert.IsTrue(task.IsCompletedSuccessfully);
var rs = await task;
Assert.IsTrue(rs.SequenceEqual(new[] { 123, 456, 789 }));
}
public async Task WhenAllIEnumerableWithRaise2()
{
var tcs1 = new TaskCompletionSource <int>();
var tcs2 = new TaskCompletionSource <int>();
var tcs3 = new TaskCompletionSource <int>();
IEnumerable <ValueTask <int> > enumerable = new[] { tcs1.Task.AsValueTask(), tcs2.Task.AsValueTask(), tcs3.Task.AsValueTask() };
var task = ValueTaskEx.WhenAll(enumerable);
Assert.IsFalse(task.IsCompleted);
tcs1.SetResult(123);
Assert.IsFalse(task.IsCompleted);
var ex1 = new InvalidOperationException();
tcs2.SetException(ex1);
Assert.IsFalse(task.IsCompleted);
var ex2 = new InvalidOperationException();
tcs3.SetException(ex2);
Assert.IsTrue(task.IsCompleted);
Assert.IsFalse(task.IsCompletedSuccessfully);
await AssertCaughtAsync(ex1, task);
}
public async Task WhenAllWithRaise1()
{
var tcs1 = new TaskCompletionSource <int>();
var tcs2 = new TaskCompletionSource <int>();
var tcs3 = new TaskCompletionSource <int>();
var args = new[] { tcs1.Task.AsValueTask(), tcs2.Task.AsValueTask(), tcs3.Task.AsValueTask() };
var task = ValueTaskEx.WhenAll(args);
Assert.IsFalse(task.IsCompleted);
tcs1.SetResult(123);
Assert.IsFalse(task.IsCompleted);
var ex = new InvalidOperationException();
tcs2.SetException(ex);
Assert.IsFalse(task.IsCompleted);
tcs3.SetResult(789);
Assert.IsTrue(task.IsCompleted);
Assert.IsFalse(task.IsCompletedSuccessfully);
await AssertCaughtAsync(ex, task);
}
