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/*
This source file is part of the Swift.org open source project
Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
Licensed under Apache License v2.0 with Runtime Library Exception
See http://swift.org/LICENSE.txt for license information
See http://swift.org/CONTRIBUTORS.txt for Swift project authors
*/
import XCTest
import TSCBasic
class DeltaAlgorithmTests: XCTestCase {
func testBasics() {
let da = DeltaAlgorithm<Int>()
do {
// [0, 20) should minimize to {3,5,7}
let failureSet: Set = [3, 5, 7]
let result = da.run(changes: Set(0..<20)) {
// If changes includes failure set.
$0.union(failureSet) == $0
}
XCTAssertEqual(result, failureSet)
}
do {
let failureSet: Set = [3, 5, 7]
// [10, 20) should minimize to [10,20)
let result = da.run(changes: Set(10..<20)) {
$0.union(failureSet) == $0
}
XCTAssertEqual(result, Set(10..<20))
}
do {
let failureSet = Set(0..<10)
// [0, 4) should minimize to [0,4) in 11 tests.
let result = da.run(changes: Set(0..<4)) {
$0.union(failureSet) == $0
}
XCTAssertEqual(result, Set(0..<4))
}
}
}
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