doc / ch.tutteli.atrium.api.fluent.en_GB / toBeNullIfNullGivenElse

toBeNullIfNullGivenElse

fun <T : Any> Expect<T?>.toBeNullIfNullGivenElse(assertionCreatorOrNull: (Expect<T>.() -> Unit)?): Expect<T?> (source)
Deprecated: Use toEqualNullIfNullGivenElse; will be removed with 1.0.0 at the latest

Expects that the subject of this expectation is either null in case assertionCreatorOrNull is null or is not null and holds all assertions assertionCreatorOrNull creates.

expect<Int?>(null).toBeNullIfNullGivenElse(null)

expect<Int?>(1).toBeNullIfNullGivenElse {
    isLessThan(2)
}

fails {
    // sub-assertion fails
    expect<Int?>(1).toBeNullIfNullGivenElse {
        isLessThan(0)
    }
}

Return
an Expect for the subject of this expectation.