| // This source file is part of the Swift.org open source project |
| // |
| // Copyright (c) 2014 - 2016 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 the list of Swift project authors |
| // |
| |
| #if DEPLOYMENT_RUNTIME_OBJC || os(Linux) |
| import Foundation |
| import XCTest |
| #else |
| import SwiftFoundation |
| import SwiftXCTest |
| #endif |
| |
| private struct Box: Equatable { |
| private let ns: NSCharacterSet |
| private let swift: CharacterSet |
| |
| private init(ns: NSCharacterSet, swift: CharacterSet) { |
| self.ns = ns |
| self.swift = swift |
| } |
| |
| init(charactersIn string: String) { |
| self.ns = NSCharacterSet(charactersIn: string) |
| self.swift = CharacterSet(charactersIn: string) |
| } |
| |
| static var alphanumerics: Box { |
| return Box(ns: NSCharacterSet.alphanumerics._bridgeToObjectiveC(), |
| swift: CharacterSet.alphanumerics) |
| } |
| |
| static var decimalDigits: Box { |
| return Box(ns: NSCharacterSet.decimalDigits._bridgeToObjectiveC(), |
| swift: CharacterSet.decimalDigits) |
| } |
| |
| // MARK: Equatable |
| |
| static func ==(lhs: Box, rhs: Box) -> Bool { |
| return lhs.ns == rhs.ns |
| && lhs.swift == rhs.swift |
| && lhs.ns._bridgeToSwift() == rhs.ns._bridgeToSwift() |
| && lhs.swift._bridgeToObjectiveC() == rhs.swift._bridgeToObjectiveC() |
| && lhs.ns.isEqual(rhs.ns) |
| && lhs.ns.isEqual(rhs.swift) |
| && lhs.ns.isEqual(rhs.ns._bridgeToSwift()) |
| && lhs.ns.isEqual(rhs.swift._bridgeToObjectiveC()) |
| && lhs.swift._bridgeToObjectiveC().isEqual(rhs.ns) |
| && lhs.swift._bridgeToObjectiveC().isEqual(rhs.swift) |
| && lhs.swift._bridgeToObjectiveC().isEqual(rhs.ns._bridgeToSwift()) |
| && lhs.swift._bridgeToObjectiveC().isEqual(rhs.swift._bridgeToObjectiveC()) |
| } |
| } |
| |
| class TestCharacterSet : XCTestCase { |
| |
| static var allTests: [(String, (TestCharacterSet) -> () throws -> Void)] { |
| return [ |
| ("testBasicConstruction", testBasicConstruction), |
| ("testMutability_copyOnWrite", testMutability_copyOnWrite), |
| ("testRanges", testRanges), |
| ("testInsertAndRemove", testInsertAndRemove), |
| ("testBasics", testBasics), |
| ("testClosedRanges_SR_2988", testClosedRanges_SR_2988), |
| ("test_Predefines", test_Predefines), |
| ("test_Range", test_Range), |
| ("test_String", test_String), |
| ("test_Bitmap", test_Bitmap), |
| ("test_AnnexPlanes", test_AnnexPlanes), |
| ("test_Planes", test_Planes), |
| ("test_InlineBuffer", test_InlineBuffer), |
| ("test_Equatable", test_Equatable), |
| // The following tests must remain disabled until SR-2509 is resolved. |
| ("test_Subtracting", test_Subtracting), |
| ("test_SubtractEmptySet", test_SubtractEmptySet), |
| ("test_SubtractNonEmptySet", test_SubtractNonEmptySet), |
| ("test_SymmetricDifference", test_SymmetricDifference), |
| ] |
| } |
| |
| let capitalA = UnicodeScalar(0x0041)! // LATIN CAPITAL LETTER A |
| let capitalB = UnicodeScalar(0x0042)! // LATIN CAPITAL LETTER B |
| let capitalC = UnicodeScalar(0x0043)! // LATIN CAPITAL LETTER C |
| |
| func testBasicConstruction() { |
| // Create a character set |
| let cs = CharacterSet.letters |
| |
| // Use some method from it |
| let invertedCs = cs.inverted |
| XCTAssertTrue(!invertedCs.contains(capitalA), "Character set must not contain our letter") |
| |
| // Use another method from it |
| let originalCs = invertedCs.inverted |
| |
| XCTAssertTrue(originalCs.contains(capitalA), "Character set must contain our letter") |
| } |
| |
| func testMutability_copyOnWrite() { |
| var firstCharacterSet = CharacterSet(charactersIn: "ABC") |
| XCTAssertTrue(firstCharacterSet.contains(capitalA), "Character set must contain our letter") |
| XCTAssertTrue(firstCharacterSet.contains(capitalB), "Character set must contain our letter") |
| XCTAssertTrue(firstCharacterSet.contains(capitalC), "Character set must contain our letter") |
| |
| // Make a 'copy' (just the struct) |
| var secondCharacterSet = firstCharacterSet |
| // first: ABC, second: ABC |
| |
| // Mutate first and verify that it has correct content |
| firstCharacterSet.remove(charactersIn: "A") |
| // first: BC, second: ABC |
| |
| XCTAssertTrue(!firstCharacterSet.contains(capitalA), "Character set must not contain our letter") |
| XCTAssertTrue(secondCharacterSet.contains(capitalA), "Copy should not have been mutated") |
| |
| // Make a 'copy' (just the struct) of the second set, mutate it |
| let thirdCharacterSet = secondCharacterSet |
| // first: BC, second: ABC, third: ABC |
| |
| secondCharacterSet.remove(charactersIn: "B") |
| // first: BC, second: AC, third: ABC |
| |
| XCTAssertTrue(firstCharacterSet.contains(capitalB), "Character set must contain our letter") |
| XCTAssertTrue(!secondCharacterSet.contains(capitalB), "Character set must not contain our letter") |
| XCTAssertTrue(thirdCharacterSet.contains(capitalB), "Character set must contain our letter") |
| |
| firstCharacterSet.remove(charactersIn: "C") |
| // first: B, second: AC, third: ABC |
| |
| XCTAssertTrue(!firstCharacterSet.contains(capitalC), "Character set must not contain our letter") |
| XCTAssertTrue(secondCharacterSet.contains(capitalC), "Character set must not contain our letter") |
| XCTAssertTrue(thirdCharacterSet.contains(capitalC), "Character set must contain our letter") |
| } |
| |
| func testRanges() { |
| // Simple range check |
| let asciiUppercase = CharacterSet(charactersIn: UnicodeScalar(0x41)!...UnicodeScalar(0x5A)!) |
| XCTAssertTrue(asciiUppercase.contains(UnicodeScalar(0x49)!)) |
| XCTAssertTrue(asciiUppercase.contains(UnicodeScalar(0x5A)!)) |
| XCTAssertTrue(asciiUppercase.contains(UnicodeScalar(0x41)!)) |
| XCTAssertTrue(!asciiUppercase.contains(UnicodeScalar(0x5B)!)) |
| |
| // Some string filtering tests |
| let asciiLowercase = CharacterSet(charactersIn: UnicodeScalar(0x61)!...UnicodeScalar(0x7B)!) |
| let testString = "helloHELLOhello" |
| let expected = "HELLO" |
| |
| let result = testString.trimmingCharacters(in: asciiLowercase) |
| XCTAssertEqual(result, expected) |
| } |
| |
| func testInsertAndRemove() { |
| var asciiUppercase = CharacterSet(charactersIn: UnicodeScalar(0x41)!...UnicodeScalar(0x5A)!) |
| XCTAssertTrue(asciiUppercase.contains(UnicodeScalar(0x49)!)) |
| XCTAssertTrue(asciiUppercase.contains(UnicodeScalar(0x5A)!)) |
| XCTAssertTrue(asciiUppercase.contains(UnicodeScalar(0x41)!)) |
| |
| asciiUppercase.remove(UnicodeScalar(0x49)) |
| XCTAssertTrue(!asciiUppercase.contains(UnicodeScalar(0x49)!)) |
| XCTAssertTrue(asciiUppercase.contains(UnicodeScalar(0x5A)!)) |
| XCTAssertTrue(asciiUppercase.contains(UnicodeScalar(0x41)!)) |
| |
| |
| // Zero-length range |
| asciiUppercase.remove(charactersIn: UnicodeScalar(0x41)!..<UnicodeScalar(0x41)!) |
| XCTAssertTrue(asciiUppercase.contains(UnicodeScalar(0x41)!)) |
| |
| asciiUppercase.remove(charactersIn: UnicodeScalar(0x41)!..<UnicodeScalar(0x42)!) |
| XCTAssertTrue(!asciiUppercase.contains(UnicodeScalar(0x41)!)) |
| |
| asciiUppercase.remove(charactersIn: "Z") |
| XCTAssertTrue(!asciiUppercase.contains(UnicodeScalar(0x5A)!)) |
| } |
| |
| func testBasics() { |
| |
| var result : [String] = [] |
| |
| let string = "The quick, brown, fox jumps over the lazy dog - because, why not?" |
| var set = CharacterSet(charactersIn: ",-") |
| result = string.components(separatedBy: set) |
| XCTAssertEqual(5, result.count) |
| XCTAssertEqual(["The quick", " brown", " fox jumps over the lazy dog ", " because", " why not?"], result) |
| |
| set.remove(charactersIn: ",") |
| set.insert(charactersIn: " ") |
| result = string.components(separatedBy: set) |
| XCTAssertEqual(14, result.count) |
| |
| set.remove(" ".unicodeScalars.first!) |
| result = string.components(separatedBy: set) |
| XCTAssertEqual(2, result.count) |
| } |
| |
| func test_Predefines() { |
| let cset = CharacterSet.controlCharacters |
| |
| XCTAssertTrue(cset.contains(UnicodeScalar(0xFEFF)!), "Control set should contain UFEFF") |
| XCTAssertTrue(CharacterSet.letters.contains(UnicodeScalar(0x61)!), "Letter set should contain 'a'") |
| XCTAssertTrue(CharacterSet.lowercaseLetters.contains(UnicodeScalar(0x61)!), "Lowercase Letter set should contain 'a'") |
| XCTAssertTrue(CharacterSet.uppercaseLetters.contains(UnicodeScalar(0x41)!), "Uppercase Letter set should contain 'A'") |
| XCTAssertTrue(CharacterSet.uppercaseLetters.contains(UnicodeScalar(0x01C5)!), "Uppercase Letter set should contain U01C5") |
| XCTAssertTrue(CharacterSet.capitalizedLetters.contains(UnicodeScalar(0x01C5)!), "Uppercase Letter set should contain U01C5") |
| XCTAssertTrue(CharacterSet.symbols.contains(UnicodeScalar(0x002B)!), "Symbol set should contain U002B") |
| XCTAssertTrue(CharacterSet.symbols.contains(UnicodeScalar(0x20B1)!), "Symbol set should contain U20B1") |
| XCTAssertTrue(CharacterSet.newlines.contains(UnicodeScalar(0x000A)!), "Newline set should contain 0x000A") |
| XCTAssertTrue(CharacterSet.newlines.contains(UnicodeScalar(0x2029)!), "Newline set should contain 0x2029") |
| |
| let mcset = CharacterSet.whitespacesAndNewlines |
| let cset2 = CharacterSet.whitespacesAndNewlines |
| |
| XCTAssert(mcset.isSuperset(of: cset2)) |
| XCTAssert(cset2.isSuperset(of: mcset)) |
| |
| XCTAssertTrue(CharacterSet.whitespacesAndNewlines.isSuperset(of: CharacterSet.newlines), "whitespace and newline should be a superset of newline") |
| let data = CharacterSet.uppercaseLetters.bitmapRepresentation |
| XCTAssertNotNil(data) |
| } |
| |
| func test_Range() { |
| // let cset1 = CharacterSet(range: NSMakeRange(0x20, 40)) |
| let cset1 = CharacterSet(charactersIn: UnicodeScalar(0x20)!..<UnicodeScalar(0x20 + 40)!) |
| for idx: unichar in 0..<0xFFFF { |
| if idx < 0xD800 || idx > 0xDFFF { |
| XCTAssertEqual(cset1.contains(UnicodeScalar(idx)!), (idx >= 0x20 && idx < 0x20 + 40 ? true : false)) |
| } |
| |
| } |
| |
| let cset2 = CharacterSet(charactersIn: UnicodeScalar(0x0000)!..<UnicodeScalar(0xFFFF)!) |
| for idx: unichar in 0..<0xFFFF { |
| if idx < 0xD800 || idx > 0xDFFF { |
| XCTAssertEqual(cset2.contains(UnicodeScalar(idx)!), true) |
| } |
| |
| } |
| |
| |
| let cset3 = CharacterSet(charactersIn: UnicodeScalar(0x0000)!..<UnicodeScalar(10)!) |
| for idx: unichar in 0..<0xFFFF { |
| if idx < 0xD800 || idx > 0xDFFF { |
| XCTAssertEqual(cset3.contains(UnicodeScalar(idx)!), (idx < 10 ? true : false)) |
| } |
| |
| } |
| |
| let cset4 = CharacterSet(charactersIn: UnicodeScalar(0x20)!..<UnicodeScalar(0x20)!) |
| for idx: unichar in 0..<0xFFFF { |
| if idx < 0xD800 || idx > 0xDFFF { |
| XCTAssertEqual(cset4.contains(UnicodeScalar(idx)!), false) |
| } |
| |
| } |
| } |
| |
| func test_String() { |
| let cset = CharacterSet(charactersIn: "abcABC") |
| for idx: unichar in 0..<0xFFFF { |
| if idx < 0xD800 || idx > 0xDFFF { |
| XCTAssertEqual(cset.contains(UnicodeScalar(idx)!), (idx >= unichar(unicodeScalarLiteral: "a") && idx <= unichar(unicodeScalarLiteral: "c")) || (idx >= unichar(unicodeScalarLiteral: "A") && idx <= unichar(unicodeScalarLiteral: "C")) ? true : false) |
| } |
| } |
| } |
| |
| func testClosedRanges_SR_2988() { |
| // "CharacterSet.insert(charactersIn: ClosedRange) crashes on a closed ClosedRange<UnicodeScalar> containing U+D7FF" |
| let problematicChar = UnicodeScalar(0xD7FF)! |
| let range = capitalA...problematicChar |
| var characters = CharacterSet(charactersIn: range) // this should not crash |
| XCTAssertTrue(characters.contains(problematicChar)) |
| characters.remove(charactersIn: range) // this should not crash |
| XCTAssertTrue(!characters.contains(problematicChar)) |
| characters.insert(charactersIn: range) // this should not crash |
| XCTAssertTrue(characters.contains(problematicChar)) |
| } |
| |
| func test_Bitmap() { |
| |
| } |
| |
| func test_AnnexPlanes() { |
| |
| } |
| |
| func test_Planes() { |
| |
| } |
| |
| func test_InlineBuffer() { |
| |
| } |
| |
| func test_Subtracting() { |
| let difference = CharacterSet(charactersIn: "abc").subtracting(CharacterSet(charactersIn: "b")) |
| let expected = CharacterSet(charactersIn: "ac") |
| XCTAssertEqual(expected, difference) |
| } |
| |
| func test_SubtractEmptySet() { |
| var mutableSet = CharacterSet(charactersIn: "abc") |
| let emptySet = CharacterSet() |
| mutableSet.subtract(emptySet) |
| let expected = CharacterSet(charactersIn: "abc") |
| XCTAssertEqual(expected, mutableSet) |
| } |
| |
| func test_SubtractNonEmptySet() { |
| var mutableSet = CharacterSet() |
| let nonEmptySet = CharacterSet(charactersIn: "abc") |
| mutableSet.subtract(nonEmptySet) |
| XCTAssertTrue(mutableSet.isEmpty) |
| } |
| |
| func test_SymmetricDifference() { |
| let symmetricDifference = CharacterSet(charactersIn: "ac").symmetricDifference(CharacterSet(charactersIn: "b")) |
| let expected = CharacterSet(charactersIn: "abc") |
| XCTAssertEqual(expected, symmetricDifference) |
| } |
| |
| func test_Equatable() { |
| let equalPairs = [ |
| ("", ""), |
| ("a", "a"), |
| ("abcde", "abcde"), |
| ("12345", "12345") |
| ] |
| |
| /* |
| Tests disabled due to CoreFoundation bug? |
| These NSCharacterSet pairs are (wrongly?) evaluated to be equal. Same behaviour can be observed on macOS 10.12. |
| Interestingly, on iOS 11 Simulator, they are evaluted to be _not_ equal, |
| while on iOS 10.3.1 Simulator, they are evaluted to be equal. |
| */ |
| let notEqualPairs = [ |
| ("abc", "123"), |
| // ("ab", "abc"), |
| // ("abc", "") |
| ] |
| |
| for pair in equalPairs { |
| XCTAssertEqual(Box(charactersIn: pair.0), Box(charactersIn: pair.1)) |
| } |
| XCTAssertEqual(Box.alphanumerics, Box.alphanumerics) |
| |
| for pair in notEqualPairs { |
| XCTAssertNotEqual(Box(charactersIn: pair.0), Box(charactersIn: pair.1)) |
| } |
| XCTAssertNotEqual(Box.alphanumerics, Box.decimalDigits) |
| } |
| |
| } |
