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//===--- RangeOverlaps.swift ----------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2019 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import TestsUtils
public let benchmarks = [
BenchmarkInfo(
name: "RangeOverlapsRange",
runFunction: run_RangeOverlapsRange,
tags: [.validation, .api],
setUpFunction: buildRanges),
BenchmarkInfo(
name: "RangeOverlapsClosedRange",
runFunction: run_RangeOverlapsClosedRange,
tags: [.validation, .api],
setUpFunction: buildRanges),
BenchmarkInfo(
name: "ClosedRangeOverlapsClosedRange",
runFunction: run_ClosedRangeOverlapsClosedRange,
tags: [.validation, .api],
setUpFunction: buildRanges)
]
private func buildRanges() {
blackHole(ranges)
blackHole(closedRanges)
}
private let ranges: [Range<Int>] = (-8...8).flatMap { a in (0...16).map { l in a..<(a+l) } }
private let closedRanges: [ClosedRange<Int>] = (-8...8).flatMap { a in (0...16).map { l in a...(a+l) } }
@inline(never)
public func run_RangeOverlapsRange(_ n: Int) {
var checksum: UInt64 = 0
for _ in 0..<n {
for lhs in ranges {
for rhs in ranges {
if lhs.overlaps(rhs) { checksum += 1 }
}
}
}
check(checksum == 47872 * UInt64(n))
}
@inline(never)
public func run_RangeOverlapsClosedRange(_ n: Int) {
var checksum: UInt64 = 0
for _ in 0..<n {
for lhs in ranges {
for rhs in closedRanges {
if lhs.overlaps(rhs) { checksum += 1 }
}
}
}
check(checksum == 51680 * UInt64(n))
}
@inline(never)
public func run_ClosedRangeOverlapsClosedRange(_ n: Int) {
var checksum: UInt64 = 0
for _ in 0..<n {
for lhs in closedRanges {
for rhs in closedRanges {
if lhs.overlaps(rhs) { checksum += 1 }
}
}
}
check(checksum == 55777 * UInt64(n))
}
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