notToBeAnInstanceOf

Expects that the type of the subject of this expectation is not the defined SubTypeOfSubjectT neither a subtype thereof.

Notice, this function has only one type parameter in order that you do not have to restate the type of the current subject. But that also means that we need to return Expect<*> or in other words, we loose the type of the subject. Which means, if you want to state a further expectation after notToBeAnInstanceOf then you most likely want to use the overload which expects one (or more) KClass instead which keeps the type of the initial subject.

Parameters

Samples

val n: Number = 16L
expect(n).notToBeAnInstanceOf<Int>()
fails {
    // fails because n is actually instance of Long
    expect(n).notToBeAnInstanceOf<Long>()
}

Expects that the type of the subject of this expectation is not the given type neither a subtype thereof.

Parameters

Samples

val n: Number = 16L
expect(n) notToBeAnInstanceOf Int::class
fails {
    // fails because n is actually instance of Long
    expect(n) notToBeAnInstanceOf Long::class
}

Expects that the type of the subject of this expectation is not one of the given types neither a subtype thereof.

Parameters

Samples

val n: Number = 16L
expect(n) notToBeAnInstanceOf types(Int::class, Float::class, Double::class)
fails {
    // fails because n is actually instance of Long
    expect(n) notToBeAnInstanceOf types(Int::class, Long::class)
}