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|
//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2020 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
//
//===----------------------------------------------------------------------===//
#if FOUNDATION_FRAMEWORK
// TODO: Support AttributedString performance tests in FoundationPreview
// (see https://github.com/apple/swift-foundation/issues/254)
import Foundation
import XCTest
/// Performance tests for `AttributedString` and its associated objects
final class TestAttributedStringPerformance: XCTestCase {
/// Set to true to record a baseline for equivalent operations on `NSAttributedString`
static let runWithNSAttributedString = false
func createLongString() -> AttributedString {
var str = AttributedString(String(repeating: "a", count: 10000), attributes: AttributeContainer().testInt(1))
str += AttributedString(String(repeating: "b", count: 10000), attributes: AttributeContainer().testInt(2))
str += AttributedString(String(repeating: "c", count: 10000), attributes: AttributeContainer().testInt(3))
return str
}
func createManyAttributesString() -> AttributedString {
var str = AttributedString("a")
for i in 0..<10000 {
str += AttributedString("a", attributes: AttributeContainer().testInt(i))
}
return str
}
func createLongNSString() -> NSMutableAttributedString {
let str = NSMutableAttributedString(string: String(repeating: "a", count: 10000), attributes: [.testInt: NSNumber(1)])
str.append(NSMutableAttributedString(string: String(repeating: "b", count: 10000), attributes: [.testInt: NSNumber(2)]))
str.append(NSMutableAttributedString(string: String(repeating: "c", count: 10000), attributes: [.testInt: NSNumber(3)]))
return str
}
func createManyAttributesNSString() -> NSMutableAttributedString {
let str = NSMutableAttributedString(string: "a")
for i in 0..<10000 {
str.append(NSAttributedString(string: "a", attributes: [.testInt: NSNumber(value: i)]))
}
return str
}
// MARK: - String Manipulation
func testInsertIntoLongString() {
var str = createLongString()
let idx = str.characters.index(str.startIndex, offsetBy: str.characters.count / 2)
let toInsert = AttributedString(String(repeating: "c", count: str.characters.count))
let strNS = createLongNSString()
let idxNS = str.characters.count / 2
let toInsertNS = NSAttributedString(string: String(repeating: "c", count: str.characters.count))
self.measure(metrics: [XCTClockMetric()]) {
if TestAttributedStringPerformance.runWithNSAttributedString {
strNS.insert(toInsertNS, at: idxNS)
} else {
str.insert(toInsert, at: idx)
}
}
}
func testReplaceSubrangeOfLongString() {
var str = createLongString()
let start = str.characters.index(str.startIndex, offsetBy: str.characters.count / 2)
let range = start ... str.characters.index(start, offsetBy: 10)
let toInsert = AttributedString(String(repeating: "d", count: str.characters.count / 2), attributes: AttributeContainer().testDouble(2.5))
let strNS = createLongNSString()
let startNS = strNS.string.count / 2
let rangeNS = NSRange(location: startNS, length: 10)
let toInsertNS = NSAttributedString(string: String(repeating: "d", count: strNS.string.count / 2), attributes: [.testDouble: NSNumber(value: 2.5)])
self.measure(metrics: [XCTClockMetric()]) {
if TestAttributedStringPerformance.runWithNSAttributedString {
strNS.replaceCharacters(in: rangeNS, with: toInsertNS)
} else {
str.replaceSubrange(range, with: toInsert)
}
}
}
// MARK: - Attribute Manipulation
func testSetAttribute() {
var str = createManyAttributesString()
let strNS = createManyAttributesNSString()
self.measure(metrics: [XCTClockMetric()]) {
if TestAttributedStringPerformance.runWithNSAttributedString {
strNS.addAttributes([.testDouble: NSNumber(value: 1.5)], range: NSRange(location: 0, length: strNS.string.count))
} else {
str.testDouble = 1.5
}
}
}
func testGetAttribute() {
let str = createManyAttributesString()
let strNS = createManyAttributesNSString()
self.measure(metrics: [XCTClockMetric()]) {
if TestAttributedStringPerformance.runWithNSAttributedString {
strNS.enumerateAttribute(.testDouble, in: NSRange(location: 0, length: strNS.string.count), options: []) { (attr, range, pointer) in
let _ = attr
}
} else {
let _ = str.testDouble
}
}
}
func testSetAttributeSubrange() {
var str = createManyAttributesString()
let range = str.characters.index(str.startIndex, offsetBy: str.characters.count / 2)...
let strNS = createManyAttributesNSString()
let rangeNS = NSRange(location: 0, length: str.characters.count / 2)
self.measure(metrics: [XCTClockMetric()]) {
if TestAttributedStringPerformance.runWithNSAttributedString {
strNS.addAttributes([.testDouble: NSNumber(value: 1.5)], range: rangeNS)
} else {
str[range].testDouble = 1.5
}
}
}
func testGetAttributeSubrange() {
let str = createManyAttributesString()
let range = str.characters.index(str.startIndex, offsetBy: str.characters.count / 2)...
let strNS = createManyAttributesNSString()
let rangeNS = NSRange(location: 0, length: str.characters.count / 2)
self.measure(metrics: [XCTClockMetric()]) {
if TestAttributedStringPerformance.runWithNSAttributedString {
strNS.enumerateAttribute(.testDouble, in: rangeNS, options: []) { (attr, range, pointer) in
let _ = attr
}
} else {
let _ = str[range].testDouble
}
}
}
func testModifyAttributes() {
let str = createManyAttributesString()
let strNS = createManyAttributesNSString()
self.measure(metrics: [XCTClockMetric()]) {
if TestAttributedStringPerformance.runWithNSAttributedString {
strNS.enumerateAttribute(.testInt, in: NSRange(location: 0, length: strNS.string.count), options: []) { (val, range, pointer) in
if let value = val as? NSNumber {
strNS.addAttributes([.testInt: NSNumber(value: value.intValue + 2)], range: range)
}
}
} else {
let _ = str.transformingAttributes(\.testInt) { transformer in
if let val = transformer.value {
transformer.value = val + 2
}
}
}
}
}
func testReplaceAttributes() {
var str = createManyAttributesString()
let old = AttributeContainer().testInt(100)
let new = AttributeContainer().testDouble(100.5)
let strNS = createManyAttributesNSString()
self.measure(metrics: [XCTClockMetric()]) {
if TestAttributedStringPerformance.runWithNSAttributedString {
strNS.enumerateAttribute(.testInt, in: NSRange(location: 0, length: strNS.string.count), options: []) { (val, range, pointer) in
if let value = val as? NSNumber, value == 100 {
strNS.removeAttribute(.testInt, range: range)
strNS.addAttribute(.testDouble, value: NSNumber(value: 100.5), range: range)
}
}
} else {
str.replaceAttributes(old, with: new)
}
}
}
func testMergeMultipleAttributes() throws {
var str = createManyAttributesString()
let new = AttributeContainer().testDouble(1.5).testString("test")
let strNS = createManyAttributesNSString()
let newNS: [NSAttributedString.Key: Any] = [.testDouble: NSNumber(value: 1.5), .testString: "test"]
self.measure(metrics: [XCTClockMetric()]) {
if TestAttributedStringPerformance.runWithNSAttributedString {
strNS.addAttributes(newNS, range: NSRange(location: 0, length: strNS.string.count))
} else {
str.mergeAttributes(new)
}
}
}
func testSetMultipleAttributes() throws {
var str = createManyAttributesString()
let new = AttributeContainer().testDouble(1.5).testString("test")
let strNS = createManyAttributesNSString()
let rangeNS = NSRange(location: 0, length: str.characters.count / 2)
let newNS: [NSAttributedString.Key: Any] = [.testDouble: NSNumber(value: 1.5), .testString: "test"]
self.measure(metrics: [XCTClockMetric()]) {
if TestAttributedStringPerformance.runWithNSAttributedString {
strNS.setAttributes(newNS, range: rangeNS)
} else {
str.setAttributes(new)
}
}
}
// MARK: - Attribute Enumeration
func testEnumerateAttributes() {
let str = createManyAttributesString()
let strNS = createManyAttributesNSString()
self.measure(metrics: [XCTClockMetric()]) {
if TestAttributedStringPerformance.runWithNSAttributedString {
strNS.enumerateAttributes(in: NSRange(location: 0, length: strNS.string.count), options: []) { (attrs, range, pointer) in
}
} else {
for _ in str.runs {
}
}
}
}
func testEnumerateAttributesSlice() {
let str = createManyAttributesString()
let strNS = createManyAttributesNSString()
self.measure(metrics: [XCTClockMetric()]) {
if TestAttributedStringPerformance.runWithNSAttributedString {
strNS.enumerateAttribute(.testInt, in: NSRange(location: 0, length: strNS.string.count), options: []) { (val, range, pointer) in
}
} else {
for (_, _) in str.runs[\.testInt] {
}
}
}
}
// MARK: - NSAS Conversion
func testConvertToNSAS() throws {
guard !TestAttributedStringPerformance.runWithNSAttributedString else {
throw XCTSkip("Test disabled for NSAS")
}
let str = createManyAttributesString()
self.measure(metrics: [XCTClockMetric()]) {
let _ = try! NSAttributedString(str, including: AttributeScopes.TestAttributes.self)
}
}
func testConvertFromNSAS() throws {
guard !TestAttributedStringPerformance.runWithNSAttributedString else {
throw XCTSkip("Test disabled for NSAS")
}
let str = createManyAttributesString()
let ns = try NSAttributedString(str, including: AttributeScopes.TestAttributes.self)
self.measure(metrics: [XCTClockMetric()]) {
let _ = try! AttributedString(ns, including: AttributeScopes.TestAttributes.self)
}
}
// MARK: - Encoding and Decoding
func testEncode() throws {
struct CodableType: Codable {
@CodableConfiguration(from: AttributeScopes.TestAttributes.self)
var str = AttributedString()
}
let str = createManyAttributesString()
let codableType = CodableType(str: str)
let encoder = JSONEncoder()
let ns = createManyAttributesNSString()
self.measure(metrics: [XCTClockMetric()]) {
if TestAttributedStringPerformance.runWithNSAttributedString {
let _ = try! NSKeyedArchiver.archivedData(withRootObject: ns, requiringSecureCoding: false)
} else {
let _ = try! encoder.encode(codableType)
}
}
}
func testDecode() throws {
struct CodableType: Codable {
@CodableConfiguration(from: AttributeScopes.TestAttributes.self)
var str = AttributedString()
}
let str = createManyAttributesString()
let codableType = CodableType(str: str)
let encoder = JSONEncoder()
let data = try encoder.encode(codableType)
let decoder = JSONDecoder()
let ns = createManyAttributesNSString()
let dataNS = try NSKeyedArchiver.archivedData(withRootObject: ns, requiringSecureCoding: false)
self.measure(metrics: [XCTClockMetric()]) {
if TestAttributedStringPerformance.runWithNSAttributedString {
let _ = try! NSKeyedUnarchiver.unarchiveTopLevelObjectWithData(dataNS)
} else {
let _ = try! decoder.decode(CodableType.self, from: data)
}
}
}
// MARK: - Other
func testCreateLongString() {
self.measure(metrics: [XCTClockMetric()]) {
if TestAttributedStringPerformance.runWithNSAttributedString {
let _ = createLongNSString()
} else {
let _ = createLongString()
}
}
}
func testCreateManyAttributesString() {
self.measure(metrics: [XCTClockMetric()]) {
if TestAttributedStringPerformance.runWithNSAttributedString {
let _ = createManyAttributesNSString()
} else {
let _ = createManyAttributesString()
}
}
}
func testEquality() throws {
guard !TestAttributedStringPerformance.runWithNSAttributedString else {
throw XCTSkip("Test disabled for NSAS")
}
let str = createManyAttributesString()
let str2 = createManyAttributesString()
self.measure(metrics: [XCTClockMetric()]) {
_ = str == str2
}
}
func testSubstringEquality() throws {
guard !TestAttributedStringPerformance.runWithNSAttributedString else {
throw XCTSkip("Test disabled for NSAS")
}
let str = createManyAttributesString()
let str2 = createManyAttributesString()
let range = str.characters.index(str.startIndex, offsetBy: str.characters.count / 2)...
let substring = str[range]
let substring2 = str2[range]
self.measure(metrics: [XCTClockMetric()]) {
_ = substring == substring2
}
}
func testHashAttributedString() throws {
guard !TestAttributedStringPerformance.runWithNSAttributedString else {
throw XCTSkip("Test disabled for NSAS")
}
let str = createManyAttributesString()
self.measure(metrics: [XCTClockMetric()]) {
var hasher = Hasher()
str.hash(into: &hasher)
_ = hasher.finalize()
}
}
func testHashAttributeContainer() throws {
guard !TestAttributedStringPerformance.runWithNSAttributedString else {
throw XCTSkip("Test disabled for NSAS")
}
struct TestAttribute : AttributedStringKey {
static var name = "0"
typealias Value = Int
}
var container = AttributeContainer()
for i in 0 ..< 100000 {
TestAttribute.name = "\(i)"
container[TestAttribute.self] = i
}
self.measure(metrics: [XCTClockMetric()]) {
var hasher = Hasher()
container.hash(into: &hasher)
_ = hasher.finalize()
}
}
}
#endif // FOUNDATION_FRAMEWORK
|
