toEqualNullIfNullGivenElse
fun <T : Any> Expect<T?>.toEqualNullIfNullGivenElse(assertionCreatorOrNull: Expect<T>.() -> Unit?): Expect<T?>(source)
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.
Return
an Expect for the subject of this
expectation.
Samples
expect<Int?>(null).toEqualNullIfNullGivenElse(null)
fails { // because subject is not null
expect<Int?>(1).toEqualNullIfNullGivenElse(null)
}
expect<Int?>(1).toEqualNullIfNullGivenElse { // subject inside this expectation-group is of type Int
toBeLessThan(2)
} // subject here is back to type Int?
fails { // because sub-expectation fails
expect<Int?>(1).toEqualNullIfNullGivenElse {
toBeLessThan(0)
}
}