Function fourthArg(_:)
public func fourthArg<T>(_ matcher: @autoclosure () -> T) -> T
Specifies the fourth argument position for an argument matcher.
You must provide an explicit argument position when using argument matchers on an Objective-C method with multiple value type parameters.
@objc class Bird: NSObject {
@objc dynamic func chirp(volume: Int, duration: Int) {}
}
given(bird.chirp(volume: firstArg(any()),
duration: secondArg(any()))).will {
print($0 as! Int, $1 as! Int)
}
bird.chirp(42, 9001) // Prints 42, 9001
This is equivalent to the verbose form of declaring an argument position.
given(bird.chirp(volume: arg(any(), at: 0),
duration: arg(any(), at: 1))).will {
print($0 as! Int, $1 as! Int)
}
Parameters
Name | Type | Description |
---|---|---|
matcher | @autoclosure () -> T |
An argument matcher. |