TestingUtils.WaitUntilAsync(Func<bool, Task<bool>>, TimeSpan, TimeSpan?)

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6. WaitUntilAsync(Func<bool, Task<bool>>, TimeSpan, TimeSpan?)

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WaitUntilAsync(Func<bool, Task<bool>>, TimeSpan, TimeSpan?)

static

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public static Task WaitUntilAsync(Func<bool, Task<bool>> predicate, TimeSpan timeout, TimeSpan? delayOnFail = null)

Run the predicate until it succeeds or times out.

Parameters

predicateFunc<bool, Task<bool>>

The predicate to run

timeoutTimeSpan

The timeout value

delayOnFailTimeSpan?

The time to delay next call upon failure

Returns

A task representing the operation.

Exceptions

System.TimeoutException

The predicate did not succeed before the timeout elapsed.