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extension XCTestExpectation { | |
var fulfiller: DeinitBlock { | |
return DeinitBlock { | |
print("Fulfill \(self.description)") | |
self.fulfill() | |
} | |
} | |
} | |
class FillfilerTests: XCTestCase { | |
func testFulfillWithDispatchQueue() { | |
let queue = DispatchQueue(label: #function) | |
(0..<10).forEach { index in | |
let fulfiller = expectation(description: "\(#function) \(index)").fulfiller | |
if index.isMultiple(of: 2) { | |
// automatically fulfilled on exiting scope | |
return | |
} | |
queue.async { | |
// fullfiled when closure is released | |
print("Retaining: \(fulfiller)") | |
} | |
} | |
waitForExpectations(timeout: 1, handler: nil) | |
} | |
} |
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