Files
swift-mirror/test/stdlib/Unicode.swift
Dmitri Hrybenko 2103b1d995 stdlib/Unicode: fix UTF-16 decoder not to crash on invalid code unit sequences
Also implemented U+FFFD insertion in UTF-16 decoder according to Unicode
reccomendation.


Swift SVN r19091
2014-06-23 14:52:24 +00:00

1890 lines
56 KiB
Swift

// RUN: %target-run-stdlib-swift | FileCheck %s
import Foundation
import Swift
protocol TestableUnicodeCodec : UnicodeCodec {
typealias CodeUnit : Integer
class func encodingId() -> NSStringEncoding
class func name() -> NSString
}
extension UTF8 : TestableUnicodeCodec {
static func encodingId() -> NSStringEncoding {
return NSUTF8StringEncoding
}
static func name() -> NSString {
return "UTF8"
}
}
extension UTF16 : TestableUnicodeCodec {
static func encodingId() -> NSStringEncoding {
return NSUTF16LittleEndianStringEncoding
}
static func name() -> NSString {
return "UTF16"
}
}
extension UTF32 : TestableUnicodeCodec {
static func encodingId() -> NSStringEncoding {
return NSUTF32LittleEndianStringEncoding
}
static func name() -> NSString {
return "UTF32"
}
}
// Backing store for computed var unicodeScalarRanges
var _unicodeScalarRanges = Array<Range<UInt32>>()
// The valid ranges of Unicode scalar values
var unicodeScalarRanges : Range<UInt32>[] {
if _unicodeScalarRanges.count == 0 {
for r in [UInt32(0)..<0xD800, 0xE000..<0xFDD0, 0xFDF0..<0xFFFE] {
_unicodeScalarRanges.append(r)
}
for base in UInt32(0x1)..<0x11 {
_unicodeScalarRanges.append((base << 16)..<((base << 16)+0xFFFE))
}
}
return _unicodeScalarRanges
}
var unicodeScalarCount : Int {
var count = 0
for r in unicodeScalarRanges {
count += Int(r.endIndex - r.startIndex)
}
return count
}
func nthUnicodeScalar(n: UInt32) -> UnicodeScalar {
var count: UInt32 = 0
for r in unicodeScalarRanges {
count += r.endIndex - r.startIndex
if count > n {
return UnicodeScalar(r.endIndex - (count - n))
}
}
_preconditionFailure("Index out of range")
}
// buffer should have a length >= 4
func nsEncode<CodeUnit>(
var c: UInt32,
encoding: NSStringEncoding,
inout buffer: CodeUnit[],
inout used: Int
) {
var s = NSString(
bytes: &c,
length: 4,
encoding: NSUTF32LittleEndianStringEncoding)
s.getBytes(
&buffer,
maxLength: buffer.count,
usedLength: &used,
encoding: encoding,
options: NSStringEncodingConversionOptions(0),
range: NSRange(location: 0, length: s.length),
remainingRange: nil)
}
// Convert the given numeric value to a hexidecimal string
func hex<T : Integer>(x: T) -> String {
return "0x" + _int64ToString(x.toIntMax(), radix: 16)
}
// Convert the given sequence of numeric values to a string
// representing their hexidecimal values
func hex<
S: Sequence
where
S.GeneratorType.Element : Integer
>(x: S) -> String {
var r = "["
var prefix = ""
for unit in x {
r += prefix + hex(unit)
prefix = ", "
}
r += "]"
return r
}
// A Sink that stores the elements written into an Array that can be
// inspected later.
class ArraySink<T: IntegerLiteralConvertible> : Sink {
init(capacity: Int) {
storage = Array(count: capacity, repeatedValue: 0)
}
func put(x: T) {
storage[count++] = x
}
func clear() {
count = 0
}
var elements : Slice<T> {
return storage[0..<count]
}
var count = 0
var storage: T[] = Array()
}
@asmname("random") func random() -> UInt32
@asmname("srandomdev") func srandomdev()
// To avoid swamping the buildbot, by default, test only one out of
// testGroupCount cases, selected at random. You can manually pass
// "--all" on the command line to test everything.
var testGroupCount = 128
srandomdev()
var testGroup = random() % testGroupCount
var testAll = Process.arguments.count > 0 && Process.arguments[0] == "--all"
var minScalarOrd : Int
var maxScalarOrd : Int
if testAll {
println("Testing all Unicode scalars")
minScalarOrd = 0
maxScalarOrd = unicodeScalarCount
}
else {
println("Testing Unicode scalar group \(testGroup) of \(testGroupCount)")
minScalarOrd = unicodeScalarCount * testGroup / testGroupCount
maxScalarOrd = unicodeScalarCount * (testGroup+1) / testGroupCount
}
class CodecTest<Codec: TestableUnicodeCodec> {
var used = 0
typealias CodeUnit = Codec.CodeUnit
var nsEncodeBuffer: CodeUnit[] = Array(count: 4, repeatedValue: 0)
var encodeBuffer = ArraySink<CodeUnit>(capacity: 4)
func testOne(scalar: UnicodeScalar)
{
/* Progress reporter
if (scalar.value % 0x1000) == 0 {
println("\(hex(scalar.value))")
}
*/
// Use Cocoa to encode the scalar
nsEncode(scalar.value, Codec.encodingId(), &nsEncodeBuffer, &used)
let nsEncoded = nsEncodeBuffer[0..<(used/sizeof(CodeUnit.self))]
var g = nsEncoded.generate()
var decoded: UnicodeScalar
var decoder = Codec()
switch decoder.decode(&g) {
case .Result(let us):
decoded = us
default:
fatalError("decoding failed")
}
if decoded != scalar {
println("Decoding failed: \(hex(scalar.value)) => \(hex(nsEncoded)) => \(hex(decoded.value))")
}
encodeBuffer.clear()
Codec.encode(scalar, output: &self.encodeBuffer)
if !equal(nsEncoded, encodeBuffer.elements) {
println("Decoding failed: \(hex(nsEncoded)) => \(hex(scalar.value)) => \(hex(encodeBuffer.storage[0]))")
}
}
func run() {
println("testing \(Codec.name())")
for i in minScalarOrd..<maxScalarOrd {
testOne(nthUnicodeScalar(UInt32(i)))
}
println("done.")
}
}
srandomdev()
// CHECK: testing UTF8
// CHECK-NEXT: done.
CodecTest<UTF8>().run()
// CHECK: testing UTF16
// CHECK-NEXT: done.
CodecTest<UTF16>().run()
// CHECK: testing UTF32
// CHECK-NEXT: done.
CodecTest<UTF32>().run()
func println(a: UTF8.CodeUnit[]) {
print("[ ")
var prefix = ""
for x in a {
print("\(prefix)\(x)")
prefix = ", "
}
println(" ]")
}
func println(a: UTF16.CodeUnit[]) {
print("[ ")
var prefix = ""
for x in a {
print("\(prefix)\(x)")
prefix = ", "
}
println(" ]")
}
func additionalUtf16Tests() {
// CHECK: additionalUtf16Tests
println("additionalUtf16Tests")
// CHECK-NEXT: 1
println(UTF16.width("x"))
// CHECK-NEXT: 2
println(UTF16.width("\U00101010"))
// CHECK-NEXT: 2
println(UTF16.width("𝄞"))
// CHECK-NEXT: true
println(UTF16.leadSurrogate("𝄞") == 0xD834)
// CHECK-NEXT: true
println(UTF16.trailSurrogate("𝄞") == 0xDD1E)
var u8: UTF8.CodeUnit[] = [ 0, 1, 2, 3, 4, 5 ]
var u16: UTF16.CodeUnit[] = [ 6, 7, 8, 9, 10, 11 ]
u16.withUnsafePointerToElements {
(p16)->() in
u8.withUnsafePointerToElements {
(p8)->() in
// CHECK-NEXT: [ 0, 1, 2, 9, 10, 11 ]
UTF16.copy(p8, destination: p16, count: 3)
println(u16)
// CHECK-NEXT: [ 9, 10, 11, 3, 4, 5 ]
UTF16.copy(p16 + 3, destination: p8, count: 3)
println(u8)
// CHECK-NEXT: [ 0, 1, 2, 0, 1, 2 ]
UTF16.copy(p16, destination: p16 + 3, count: 3)
println(u16)
// CHECK-NEXT: [ 9, 10, 11, 9, 10, 11 ]
UTF16.copy(p8, destination: p8 + 3, count: 3)
println(u8)
}
}
let (count0, isASCII0) = UTF16.measure(UTF8.self, input: u8.generate(),
repairIllFormedSequences: false)!
// CHECK-NEXT: 6 / true
println("\(count0) / \(isASCII0)")
let (count1, isASCII1) = UTF16.measure(UTF16.self, input: u16.generate(),
repairIllFormedSequences: false)!
// CHECK-NEXT: 6 / true
println("\(count1) / \(isASCII1)")
// "" == U+20AC.
u8 = [0xF0, 0xA4, 0xAD, 0xA2]
let (count2, isASCII2) = UTF16.measure(UTF8.self, input: u8.generate(),
repairIllFormedSequences: false)!
// CHECK-NEXT: 2 / false
println("\(count2) / \(isASCII2)")
}
additionalUtf16Tests()
import StdlibUnittest
class EOFCountingGenerator<T> : Generator {
var array: T[]
var index: Int = 0
var numTimesReturnedEOF: Int = 0
init(_ array: T[]) {
self.array = array
}
func next() -> T? {
if index == array.count {
++numTimesReturnedEOF
return .None
}
return array[index++]
}
}
func checkDecodeUTF<Codec : UnicodeCodec>(
codec: Codec.Type, expectedHead: UInt32[],
expectedRepairedTail: UInt32[], utfStr: Codec.CodeUnit[]
) -> AssertionResult {
if true {
var decoded: UInt32[] = []
var g = EOFCountingGenerator(utfStr)
transcode(codec, UTF32.self, g,
SinkOf {
decoded += $0
},
stopOnError: true)
expectGE(1, g.numTimesReturnedEOF)
if expectedHead != decoded {
return assertionFailure()
.withDescription("\n")
.withDescription("expectedHead: \(asHex(expectedHead))\n")
.withDescription("actual: \(asHex(decoded))")
}
}
if true {
var expected = expectedHead
expected += expectedRepairedTail
var decoded: UInt32[] = []
var g = EOFCountingGenerator(utfStr)
transcode(codec, UTF32.self, g,
SinkOf {
decoded += $0
},
stopOnError: false)
expectEqual(1, g.numTimesReturnedEOF)
if expected != decoded {
return assertionFailure()
.withDescription("\n")
.withDescription("expected: \(asHex(expected))\n")
.withDescription("actual: \(asHex(decoded))")
}
}
return assertionSuccess()
}
func checkDecodeUTF8(
expectedHead: UInt32[],
expectedRepairedTail: UInt32[], utf8Str: UInt8[]
) -> AssertionResult {
return checkDecodeUTF(UTF8.self, expectedHead, expectedRepairedTail, utf8Str)
}
func checkDecodeUTF16(
expectedHead: UInt32[],
expectedRepairedTail: UInt32[], utf16Str: UInt16[]
) -> AssertionResult {
return checkDecodeUTF(UTF16.self, expectedHead, expectedRepairedTail,
utf16Str)
}
var UTF8Decoder = TestCase("UTF8Decoder")
UTF8Decoder.test("Internal/_numTrailingBytes") {
for i in UInt8(0x00)...UInt8(0x7f) {
expectEqual(0, UTF8._numTrailingBytes(i)) { "i=\(i)" }
}
for i in UInt8(0x80)...UInt8(0xc1) {
expectEqual(4, UTF8._numTrailingBytes(i)) { "i=\(i)" }
}
for i in UInt8(0xc2)...UInt8(0xdf) {
expectEqual(1, UTF8._numTrailingBytes(i)) { "i=\(i)" }
}
for i in UInt8(0xe0)...UInt8(0xef) {
expectEqual(2, UTF8._numTrailingBytes(i)) { "i=\(i)" }
}
for i in UInt8(0xf0)...UInt8(0xf4) {
expectEqual(3, UTF8._numTrailingBytes(i)) { "i=\(i)" }
}
for i in UInt8(0xf5)...UInt8(0xfe) {
expectEqual(4, UTF8._numTrailingBytes(i)) { "i=\(i)" }
}
// Separate test for 0xff because of:
// <rdar://problem/17376512> Range UInt8(0x00)...UInt8(0xff) invokes a
// runtime trap
var i = UInt8(0xff)
expectEqual(4, UTF8._numTrailingBytes(i)) { "i=\(i)" }
}
UTF8Decoder.test("Empty") {
expectTrue(checkDecodeUTF8([], [], []))
}
UTF8Decoder.test("SmokeTest") {
//
// 1-byte sequences
//
// U+0041 LATIN CAPITAL LETTER A
expectTrue(checkDecodeUTF8([ 0x0041 ], [], [ 0x41 ]))
// U+0041 LATIN CAPITAL LETTER A
// U+0042 LATIN CAPITAL LETTER B
expectTrue(checkDecodeUTF8([ 0x0041, 0x0042 ], [], [ 0x41, 0x42 ]))
// U+0000 NULL
// U+0041 LATIN CAPITAL LETTER A
// U+0042 LATIN CAPITAL LETTER B
// U+0000 NULL
expectTrue(checkDecodeUTF8(
[ 0x0000, 0x0041, 0x0042, 0x0000 ], [],
[ 0x00, 0x41, 0x42, 0x00 ]))
//
// 2-byte sequences
//
// U+0283 LATIN SMALL LETTER ESH
expectTrue(checkDecodeUTF8([ 0x0283 ], [], [ 0xca, 0x83 ]))
// U+03BA GREEK SMALL LETTER KAPPA
// U+1F79 GREEK SMALL LETTER OMICRON WITH OXIA
// U+03C3 GREEK SMALL LETTER SIGMA
// U+03BC GREEK SMALL LETTER MU
// U+03B5 GREEK SMALL LETTER EPSILON
expectTrue(checkDecodeUTF8(
[ 0x03ba, 0x1f79, 0x03c3, 0x03bc, 0x03b5 ], [],
[ 0xce, 0xba, 0xe1, 0xbd, 0xb9, 0xcf, 0x83, 0xce, 0xbc, 0xce, 0xb5 ]))
//
// 3-byte sequences
//
// U+4F8B CJK UNIFIED IDEOGRAPH-4F8B
// U+6587 CJK UNIFIED IDEOGRAPH-6587
expectTrue(checkDecodeUTF8(
[ 0x4f8b, 0x6587 ], [],
[ 0xe4, 0xbe, 0x8b, 0xe6, 0x96, 0x87 ]))
// U+D55C HANGUL SYLLABLE HAN
// U+AE00 HANGUL SYLLABLE GEUL
expectTrue(checkDecodeUTF8(
[ 0xd55c, 0xae00 ], [],
[ 0xed, 0x95, 0x9c, 0xea, 0xb8, 0x80 ]))
// U+1112 HANGUL CHOSEONG HIEUH
// U+1161 HANGUL JUNGSEONG A
// U+11AB HANGUL JONGSEONG NIEUN
// U+1100 HANGUL CHOSEONG KIYEOK
// U+1173 HANGUL JUNGSEONG EU
// U+11AF HANGUL JONGSEONG RIEUL
expectTrue(checkDecodeUTF8(
[ 0x1112, 0x1161, 0x11ab, 0x1100, 0x1173, 0x11af ], [],
[ 0xe1, 0x84, 0x92, 0xe1, 0x85, 0xa1, 0xe1, 0x86, 0xab,
0xe1, 0x84, 0x80, 0xe1, 0x85, 0xb3, 0xe1, 0x86, 0xaf ]))
//
// 4-byte sequences
//
// U+E0100 VARIATION SELECTOR-17
expectTrue(checkDecodeUTF8(
[ 0x000E0100 ], [],
[ 0xf3, 0xa0, 0x84, 0x80 ]))
}
UTF8Decoder.test("FirstPossibleSequence") {
//
// First possible sequence of a certain length
//
// U+0000 NULL
expectTrue(checkDecodeUTF8([ 0x0000 ], [], [ 0x00 ]))
// U+0080 PADDING CHARACTER
expectTrue(checkDecodeUTF8([ 0x0080 ], [], [ 0xc2, 0x80 ]))
// U+0800 SAMARITAN LETTER ALAF
expectTrue(checkDecodeUTF8(
[ 0x0800 ], [],
[ 0xe0, 0xa0, 0x80 ]))
// U+10000 LINEAR B SYLLABLE B008 A
expectTrue(checkDecodeUTF8(
[ 0x10000 ], [],
[ 0xf0, 0x90, 0x80, 0x80 ]))
// U+200000 (invalid)
expectTrue(checkDecodeUTF8(
[], [ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xf8, 0x88, 0x80, 0x80, 0x80 ]))
// U+4000000 (invalid)
expectTrue(checkDecodeUTF8(
[], [ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xfc, 0x84, 0x80, 0x80, 0x80, 0x80 ]))
}
UTF8Decoder.test("LastPossibleSequence") {
//
// Last possible sequence of a certain length
//
// U+007F DELETE
expectTrue(checkDecodeUTF8([ 0x007f ], [], [ 0x7f ]))
// U+07FF (unassigned)
expectTrue(checkDecodeUTF8([ 0x07ff ], [], [ 0xdf, 0xbf ]))
// U+FFFF (noncharacter)
expectTrue(checkDecodeUTF8(
[ 0xffff ], [],
[ 0xef, 0xbf, 0xbf ]))
// U+1FFFFF (invalid)
expectTrue(checkDecodeUTF8(
[], [ 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xf7, 0xbf, 0xbf, 0xbf ]))
// U+3FFFFFF (invalid)
expectTrue(checkDecodeUTF8(
[], [ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xfb, 0xbf, 0xbf, 0xbf, 0xbf ]))
// U+7FFFFFFF (invalid)
expectTrue(checkDecodeUTF8(
[], [ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xfd, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf ]))
}
UTF8Decoder.test("CodeSpaceBoundaryConditions") {
//
// Other boundary conditions
//
// U+D7FF (unassigned)
expectTrue(checkDecodeUTF8([ 0xd7ff ], [], [ 0xed, 0x9f, 0xbf ]))
// U+E000 (private use)
expectTrue(checkDecodeUTF8([ 0xe000 ], [], [ 0xee, 0x80, 0x80 ]))
// U+FFFD REPLACEMENT CHARACTER
expectTrue(checkDecodeUTF8([ 0xfffd ], [], [ 0xef, 0xbf, 0xbd ]))
// U+10FFFF (noncharacter)
expectTrue(checkDecodeUTF8([ 0x10ffff ], [], [ 0xf4, 0x8f, 0xbf, 0xbf ]))
// U+110000 (invalid)
expectTrue(checkDecodeUTF8(
[], [ 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xf4, 0x90, 0x80, 0x80 ]))
}
UTF8Decoder.test("UnexpectedContinuationBytes") {
//
// Unexpected continuation bytes
//
// A sequence of unexpected continuation bytes that don't follow a first
// byte, every byte is a maximal subpart.
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0x80 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xbf ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0x80, 0x80 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0x80, 0xbf ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xbf, 0x80 ]))
expectTrue(checkDecodeUTF8(
[], [ 0xfffd, 0xfffd, 0xfffd ],
[ 0x80, 0xbf, 0x80 ]))
expectTrue(checkDecodeUTF8(
[], [ 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0x80, 0xbf, 0x80, 0xbf ]))
expectTrue(checkDecodeUTF8(
[], [ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0x80, 0xbf, 0x82, 0xbf, 0xaa ]))
expectTrue(checkDecodeUTF8(
[], [ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xaa, 0xb0, 0xbb, 0xbf, 0xaa, 0xa0 ]))
expectTrue(checkDecodeUTF8(
[], [ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xaa, 0xb0, 0xbb, 0xbf, 0xaa, 0xa0, 0x8f ]))
// All continuation bytes (0x80--0xbf).
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf ]))
}
UTF8Decoder.test("LonelyStartBytes") {
//
// Lonely start bytes
//
// Start bytes of 2-byte sequences (0xc0--0xdf).
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020,
0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020,
0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020,
0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020,
0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020,
0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020,
0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020,
0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020 ],
[ 0xc0, 0x20, 0xc1, 0x20, 0xc2, 0x20, 0xc3, 0x20,
0xc4, 0x20, 0xc5, 0x20, 0xc6, 0x20, 0xc7, 0x20,
0xc8, 0x20, 0xc9, 0x20, 0xca, 0x20, 0xcb, 0x20,
0xcc, 0x20, 0xcd, 0x20, 0xce, 0x20, 0xcf, 0x20,
0xd0, 0x20, 0xd1, 0x20, 0xd2, 0x20, 0xd3, 0x20,
0xd4, 0x20, 0xd5, 0x20, 0xd6, 0x20, 0xd7, 0x20,
0xd8, 0x20, 0xd9, 0x20, 0xda, 0x20, 0xdb, 0x20,
0xdc, 0x20, 0xdd, 0x20, 0xde, 0x20, 0xdf, 0x20 ]))
// Start bytes of 3-byte sequences (0xe0--0xef).
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020,
0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020,
0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020,
0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020 ],
[ 0xe0, 0x20, 0xe1, 0x20, 0xe2, 0x20, 0xe3, 0x20,
0xe4, 0x20, 0xe5, 0x20, 0xe6, 0x20, 0xe7, 0x20,
0xe8, 0x20, 0xe9, 0x20, 0xea, 0x20, 0xeb, 0x20,
0xec, 0x20, 0xed, 0x20, 0xee, 0x20, 0xef, 0x20 ]))
// Start bytes of 4-byte sequences (0xf0--0xf7).
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020,
0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020 ],
[ 0xf0, 0x20, 0xf1, 0x20, 0xf2, 0x20, 0xf3, 0x20,
0xf4, 0x20, 0xf5, 0x20, 0xf6, 0x20, 0xf7, 0x20 ]))
// Start bytes of 5-byte sequences (0xf8--0xfb).
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xf8, 0xf9, 0xfa, 0xfb ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020 ],
[ 0xf8, 0x20, 0xf9, 0x20, 0xfa, 0x20, 0xfb, 0x20 ]))
// Start bytes of 6-byte sequences (0xfc--0xfd).
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xfc, 0xfd ]))
expectTrue(checkDecodeUTF8(
[], [ 0xfffd, 0x0020, 0xfffd, 0x0020 ],
[ 0xfc, 0x20, 0xfd, 0x20 ]))
}
UTF8Decoder.test("InvalidStartBytes") {
//
// Other bytes (0xc0--0xc1, 0xfe--0xff).
//
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xc0 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xc1 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xfe ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xff ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xc0, 0xc1, 0xfe, 0xff ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xfe, 0xfe, 0xff, 0xff ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xfe, 0x80, 0x80, 0x80, 0x80, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xff, 0x80, 0x80, 0x80, 0x80, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020, 0xfffd, 0x0020 ],
[ 0xc0, 0x20, 0xc1, 0x20, 0xfe, 0x20, 0xff, 0x20 ]))
}
UTF8Decoder.test("MissingContinuationBytes") {
//
// Sequences with one continuation byte missing
//
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xc2 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xdf ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0x0041 ], [ 0xc2, 0x41 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0x0041 ], [ 0xdf, 0x41 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xe0, 0xa0 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xe0, 0xbf ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0x0041 ], [ 0xe0, 0xa0, 0x41 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0x0041 ], [ 0xe0, 0xbf, 0x41 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xe1, 0x80 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xec, 0xbf ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0x0041 ], [ 0xe1, 0x80, 0x41 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0x0041 ], [ 0xec, 0xbf, 0x41 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xed, 0x80 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xed, 0x9f ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0x0041 ], [ 0xed, 0x80, 0x41 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0x0041 ], [ 0xed, 0x9f, 0x41 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xee, 0x80 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xef, 0xbf ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0x0041 ], [ 0xee, 0x80, 0x41 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0x0041 ], [ 0xef, 0xbf, 0x41 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf0, 0x90, 0x80 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf0, 0xbf, 0xbf ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0x0041 ], [ 0xf0, 0x90, 0x80, 0x41 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0x0041 ], [ 0xf0, 0xbf, 0xbf, 0x41 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf1, 0x80, 0x80 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf3, 0xbf, 0xbf ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0x0041 ], [ 0xf1, 0x80, 0x80, 0x41 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0x0041 ], [ 0xf3, 0xbf, 0xbf, 0x41 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf4, 0x80, 0x80 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf4, 0x8f, 0xbf ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0x0041 ], [ 0xf4, 0x80, 0x80, 0x41 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0x0041 ], [ 0xf4, 0x8f, 0xbf, 0x41 ]))
// Overlong sequences with one trailing byte missing.
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xc0 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xc1 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xe0, 0x80 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xe0, 0x9f ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xf0, 0x80, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xf0, 0x8f, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xf8, 0x80, 0x80, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xfc, 0x80, 0x80, 0x80, 0x80 ]))
// Sequences that represent surrogates with one trailing byte missing.
// High-surrogates
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xed, 0xa0 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xed, 0xac ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xed, 0xaf ]))
// Low-surrogates
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xed, 0xb0 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xed, 0xb4 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xed, 0xbf ]))
// Ill-formed 4-byte sequences.
// 11110zzz 10zzyyyy 10yyyyxx 10xxxxxx
// U+1100xx (invalid)
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xf4, 0x90, 0x80 ]))
// U+13FBxx (invalid)
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xf4, 0xbf, 0xbf ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xf5, 0x80, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xf6, 0x80, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xf7, 0x80, 0x80 ]))
// U+1FFBxx (invalid)
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xf7, 0xbf, 0xbf ]))
// Ill-formed 5-byte sequences.
// 111110uu 10zzzzzz 10zzyyyy 10yyyyxx 10xxxxxx
// U+2000xx (invalid)
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xf8, 0x88, 0x80, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xf8, 0xbf, 0xbf, 0xbf ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xf9, 0x80, 0x80, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xfa, 0x80, 0x80, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xfb, 0x80, 0x80, 0x80 ]))
// U+3FFFFxx (invalid)
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xfb, 0xbf, 0xbf, 0xbf ]))
// Ill-formed 6-byte sequences.
// 1111110u 10uuuuuu 10uzzzzz 10zzzyyyy 10yyyyxx 10xxxxxx
// U+40000xx (invalid)
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xfc, 0x84, 0x80, 0x80, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xfc, 0xbf, 0xbf, 0xbf, 0xbf ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xfd, 0x80, 0x80, 0x80, 0x80 ]))
// U+7FFFFFxx (invalid)
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xfd, 0xbf, 0xbf, 0xbf, 0xbf ]))
//
// Sequences with two continuation bytes missing
//
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf0, 0x90 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf0, 0xbf ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf1, 0x80 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf3, 0xbf ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf4, 0x80 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf4, 0x8f ]))
// Overlong sequences with two trailing byte missing.
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xe0 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xf0, 0x80 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xf0, 0x8f ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xf8, 0x80, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xfc, 0x80, 0x80, 0x80 ]))
// Sequences that represent surrogates with two trailing bytes missing.
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xed ]))
// Ill-formed 4-byte sequences.
// 11110zzz 10zzyyyy 10yyyyxx 10xxxxxx
// U+110yxx (invalid)
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xf4, 0x90 ]))
// U+13Fyxx (invalid)
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xf4, 0xbf ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xf5, 0x80 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xf6, 0x80 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xf7, 0x80 ]))
// U+1FFyxx (invalid)
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xf7, 0xbf ]))
// Ill-formed 5-byte sequences.
// 111110uu 10zzzzzz 10zzyyyy 10yyyyxx 10xxxxxx
// U+200yxx (invalid)
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xf8, 0x88, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xf8, 0xbf, 0xbf ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xf9, 0x80, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xfa, 0x80, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xfb, 0x80, 0x80 ]))
// U+3FFFyxx (invalid)
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xfb, 0xbf, 0xbf ]))
// Ill-formed 6-byte sequences.
// 1111110u 10uuuuuu 10zzzzzz 10zzyyyy 10yyyyxx 10xxxxxx
// U+4000yxx (invalid)
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xfc, 0x84, 0x80, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xfc, 0xbf, 0xbf, 0xbf ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xfd, 0x80, 0x80, 0x80 ]))
// U+7FFFFyxx (invalid)
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xfd, 0xbf, 0xbf, 0xbf ]))
//
// Sequences with three continuation bytes missing
//
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf0 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf1 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf2 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf3 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf4 ]))
// Broken overlong sequences.
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf0 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xf8, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xfc, 0x80, 0x80 ]))
// Ill-formed 4-byte sequences.
// 11110zzz 10zzyyyy 10yyyyxx 10xxxxxx
// U+14yyxx (invalid)
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf5 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf6 ]))
// U+1Cyyxx (invalid)
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf7 ]))
// Ill-formed 5-byte sequences.
// 111110uu 10zzzzzz 10zzyyyy 10yyyyxx 10xxxxxx
// U+20yyxx (invalid)
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xf8, 0x88 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xf8, 0xbf ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xf9, 0x80 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xfa, 0x80 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xfb, 0x80 ]))
// U+3FCyyxx (invalid)
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xfb, 0xbf ]))
// Ill-formed 6-byte sequences.
// 1111110u 10uuuuuu 10zzzzzz 10zzyyyy 10yyyyxx 10xxxxxx
// U+400yyxx (invalid)
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xfc, 0x84, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xfc, 0xbf, 0xbf ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xfd, 0x80, 0x80 ]))
// U+7FFCyyxx (invalid)
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xfd, 0xbf, 0xbf ]))
//
// Sequences with four continuation bytes missing
//
// Ill-formed 5-byte sequences.
// 111110uu 10zzzzzz 10zzyyyy 10yyyyxx 10xxxxxx
// U+uzyyxx (invalid)
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf8 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf9 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xfa ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xfb ]))
// U+3zyyxx (invalid)
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xfb ]))
// Broken overlong sequences.
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xf8 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xfc, 0x80 ]))
// Ill-formed 6-byte sequences.
// 1111110u 10uuuuuu 10zzzzzz 10zzyyyy 10yyyyxx 10xxxxxx
// U+uzzyyxx (invalid)
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xfc, 0x84 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xfc, 0xbf ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xfd, 0x80 ]))
// U+7Fzzyyxx (invalid)
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xfd, 0xbf ]))
//
// Sequences with five continuation bytes missing
//
// Ill-formed 6-byte sequences.
// 1111110u 10uuuuuu 10zzzzzz 10zzyyyy 10yyyyxx 10xxxxxx
// U+uzzyyxx (invalid)
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xfc ]))
// U+uuzzyyxx (invalid)
expectTrue(checkDecodeUTF8([], [ 0xfffd ], [ 0xfd ]))
//
// Consecutive sequences with trailing bytes missing
//
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, /**/ 0xfffd, 0xfffd, /**/ 0xfffd, 0xfffd, 0xfffd,
0xfffd, 0xfffd, 0xfffd, 0xfffd,
0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
0xfffd, /**/ 0xfffd, /**/ 0xfffd, 0xfffd, 0xfffd,
0xfffd, 0xfffd, 0xfffd, 0xfffd,
0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xc0, /**/ 0xe0, 0x80, /**/ 0xf0, 0x80, 0x80,
0xf8, 0x80, 0x80, 0x80,
0xfc, 0x80, 0x80, 0x80, 0x80,
0xdf, /**/ 0xef, 0xbf, /**/ 0xf7, 0xbf, 0xbf,
0xfb, 0xbf, 0xbf, 0xbf,
0xfd, 0xbf, 0xbf, 0xbf, 0xbf ]))
}
UTF8Decoder.test("OverlongSequences") {
//
// Overlong UTF-8 sequences
//
// U+002F SOLIDUS
expectTrue(checkDecodeUTF8([ 0x002f ], [], [ 0x2f ]))
// Overlong sequences of the above.
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xc0, 0xaf ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xe0, 0x80, 0xaf ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xf0, 0x80, 0x80, 0xaf ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xf8, 0x80, 0x80, 0x80, 0xaf ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xfc, 0x80, 0x80, 0x80, 0x80, 0xaf ]))
// U+0000 NULL
expectTrue(checkDecodeUTF8([ 0x0000 ], [], [ 0x00 ]))
// Overlong sequences of the above.
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xc0, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xe0, 0x80, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xf0, 0x80, 0x80, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xf8, 0x80, 0x80, 0x80, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xfc, 0x80, 0x80, 0x80, 0x80, 0x80 ]))
// Other overlong and ill-formed sequences.
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xc0, 0xbf ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xc1, 0x80 ]))
expectTrue(checkDecodeUTF8([], [ 0xfffd, 0xfffd ], [ 0xc1, 0xbf ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xe0, 0x9f, 0xbf ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xed, 0xa0, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xed, 0xbf, 0xbf ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xf0, 0x8f, 0x80, 0x80 ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xf0, 0x8f, 0xbf, 0xbf ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xf8, 0x87, 0xbf, 0xbf, 0xbf ]))
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xfc, 0x83, 0xbf, 0xbf, 0xbf, 0xbf ]))
}
UTF8Decoder.test("IsolatedSurrogates") {
// Unicode 6.3.0:
//
// D71. High-surrogate code point: A Unicode code point in the range
// U+D800 to U+DBFF.
//
// D73. Low-surrogate code point: A Unicode code point in the range
// U+DC00 to U+DFFF.
// Note: U+E0100 is <DB40 DD00> in UTF16.
// High-surrogates
// U+D800
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xed, 0xa0, 0x80 ]))
expectTrue(checkDecodeUTF8(
[ 0x0041 ],
[ 0xfffd, 0xfffd, 0xfffd, 0x0041 ],
[ 0x41, 0xed, 0xa0, 0x80, 0x41 ]))
// U+DB40
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xed, 0xac, 0xa0 ]))
// U+DBFF
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xed, 0xaf, 0xbf ]))
// Low-surrogates
// U+DC00
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xed, 0xb0, 0x80 ]))
// U+DD00
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xed, 0xb4, 0x80 ]))
// U+DFFF
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd ],
[ 0xed, 0xbf, 0xbf ]))
}
UTF8Decoder.test("SurrogatePairs") {
// Surrogate pairs
// U+D800 U+DC00
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xed, 0xa0, 0x80, 0xed, 0xb0, 0x80 ]))
// U+D800 U+DD00
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xed, 0xa0, 0x80, 0xed, 0xb4, 0x80 ]))
// U+D800 U+DFFF
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xed, 0xa0, 0x80, 0xed, 0xbf, 0xbf ]))
// U+DB40 U+DC00
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xed, 0xac, 0xa0, 0xed, 0xb0, 0x80 ]))
// U+DB40 U+DD00
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xed, 0xac, 0xa0, 0xed, 0xb4, 0x80 ]))
// U+DB40 U+DFFF
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xed, 0xac, 0xa0, 0xed, 0xbf, 0xbf ]))
// U+DBFF U+DC00
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xed, 0xaf, 0xbf, 0xed, 0xb0, 0x80 ]))
// U+DBFF U+DD00
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xed, 0xaf, 0xbf, 0xed, 0xb4, 0x80 ]))
// U+DBFF U+DFFF
expectTrue(checkDecodeUTF8(
[],
[ 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd ],
[ 0xed, 0xaf, 0xbf, 0xed, 0xbf, 0xbf ]))
}
UTF8Decoder.test("Noncharacters") {
//
// Noncharacters
//
// Unicode 6.3.0:
//
// D14. Noncharacter: A code point that is permanently reserved for
// internal use and that should never be interchanged. Noncharacters
// consist of the values U+nFFFE and U+nFFFF (where n is from 0 to 1016)
// and the values U+FDD0..U+FDEF.
// U+FFFE
expectTrue(checkDecodeUTF8([ 0xfffe ], [], [ 0xef, 0xbf, 0xbe ]))
// U+FFFF
expectTrue(checkDecodeUTF8([ 0xffff ], [], [ 0xef, 0xbf, 0xbf ]))
// U+1FFFE
expectTrue(checkDecodeUTF8([ 0x1fffe ], [], [ 0xf0, 0x9f, 0xbf, 0xbe ]))
// U+1FFFF
expectTrue(checkDecodeUTF8([ 0x1ffff ], [], [ 0xf0, 0x9f, 0xbf, 0xbf ]))
// U+2FFFE
expectTrue(checkDecodeUTF8([ 0x2fffe ], [], [ 0xf0, 0xaf, 0xbf, 0xbe ]))
// U+2FFFF
expectTrue(checkDecodeUTF8([ 0x2ffff ], [], [ 0xf0, 0xaf, 0xbf, 0xbf ]))
// U+3FFFE
expectTrue(checkDecodeUTF8([ 0x3fffe ], [], [ 0xf0, 0xbf, 0xbf, 0xbe ]))
// U+3FFFF
expectTrue(checkDecodeUTF8([ 0x3ffff ], [], [ 0xf0, 0xbf, 0xbf, 0xbf ]))
// U+4FFFE
expectTrue(checkDecodeUTF8([ 0x4fffe ], [], [ 0xf1, 0x8f, 0xbf, 0xbe ]))
// U+4FFFF
expectTrue(checkDecodeUTF8([ 0x4ffff ], [], [ 0xf1, 0x8f, 0xbf, 0xbf ]))
// U+5FFFE
expectTrue(checkDecodeUTF8([ 0x5fffe ], [], [ 0xf1, 0x9f, 0xbf, 0xbe ]))
// U+5FFFF
expectTrue(checkDecodeUTF8([ 0x5ffff ], [], [ 0xf1, 0x9f, 0xbf, 0xbf ]))
// U+6FFFE
expectTrue(checkDecodeUTF8([ 0x6fffe ], [], [ 0xf1, 0xaf, 0xbf, 0xbe ]))
// U+6FFFF
expectTrue(checkDecodeUTF8([ 0x6ffff ], [], [ 0xf1, 0xaf, 0xbf, 0xbf ]))
// U+7FFFE
expectTrue(checkDecodeUTF8([ 0x7fffe ], [], [ 0xf1, 0xbf, 0xbf, 0xbe ]))
// U+7FFFF
expectTrue(checkDecodeUTF8([ 0x7ffff ], [], [ 0xf1, 0xbf, 0xbf, 0xbf ]))
// U+8FFFE
expectTrue(checkDecodeUTF8([ 0x8fffe ], [], [ 0xf2, 0x8f, 0xbf, 0xbe ]))
// U+8FFFF
expectTrue(checkDecodeUTF8([ 0x8ffff ], [], [ 0xf2, 0x8f, 0xbf, 0xbf ]))
// U+9FFFE
expectTrue(checkDecodeUTF8([ 0x9fffe ], [], [ 0xf2, 0x9f, 0xbf, 0xbe ]))
// U+9FFFF
expectTrue(checkDecodeUTF8([ 0x9ffff ], [], [ 0xf2, 0x9f, 0xbf, 0xbf ]))
// U+AFFFE
expectTrue(checkDecodeUTF8([ 0xafffe ], [], [ 0xf2, 0xaf, 0xbf, 0xbe ]))
// U+AFFFF
expectTrue(checkDecodeUTF8([ 0xaffff ], [], [ 0xf2, 0xaf, 0xbf, 0xbf ]))
// U+BFFFE
expectTrue(checkDecodeUTF8([ 0xbfffe ], [], [ 0xf2, 0xbf, 0xbf, 0xbe ]))
// U+BFFFF
expectTrue(checkDecodeUTF8([ 0xbffff ], [], [ 0xf2, 0xbf, 0xbf, 0xbf ]))
// U+CFFFE
expectTrue(checkDecodeUTF8([ 0xcfffe ], [], [ 0xf3, 0x8f, 0xbf, 0xbe ]))
// U+CFFFF
expectTrue(checkDecodeUTF8([ 0xcfffF ], [], [ 0xf3, 0x8f, 0xbf, 0xbf ]))
// U+DFFFE
expectTrue(checkDecodeUTF8([ 0xdfffe ], [], [ 0xf3, 0x9f, 0xbf, 0xbe ]))
// U+DFFFF
expectTrue(checkDecodeUTF8([ 0xdffff ], [], [ 0xf3, 0x9f, 0xbf, 0xbf ]))
// U+EFFFE
expectTrue(checkDecodeUTF8([ 0xefffe ], [], [ 0xf3, 0xaf, 0xbf, 0xbe ]))
// U+EFFFF
expectTrue(checkDecodeUTF8([ 0xeffff ], [], [ 0xf3, 0xaf, 0xbf, 0xbf ]))
// U+FFFFE
expectTrue(checkDecodeUTF8([ 0xffffe ], [], [ 0xf3, 0xbf, 0xbf, 0xbe ]))
// U+FFFFF
expectTrue(checkDecodeUTF8([ 0xfffff ], [], [ 0xf3, 0xbf, 0xbf, 0xbf ]))
// U+10FFFE
expectTrue(checkDecodeUTF8([ 0x10fffe ], [], [ 0xf4, 0x8f, 0xbf, 0xbe ]))
// U+10FFFF
expectTrue(checkDecodeUTF8([ 0x10ffff ], [], [ 0xf4, 0x8f, 0xbf, 0xbf ]))
// U+FDD0
expectTrue(checkDecodeUTF8([ 0xfdd0 ], [], [ 0xef, 0xb7, 0x90 ]))
// U+FDD1
expectTrue(checkDecodeUTF8([ 0xfdd1 ], [], [ 0xef, 0xb7, 0x91 ]))
// U+FDD2
expectTrue(checkDecodeUTF8([ 0xfdd2 ], [], [ 0xef, 0xb7, 0x92 ]))
// U+FDD3
expectTrue(checkDecodeUTF8([ 0xfdd3 ], [], [ 0xef, 0xb7, 0x93 ]))
// U+FDD4
expectTrue(checkDecodeUTF8([ 0xfdd4 ], [], [ 0xef, 0xb7, 0x94 ]))
// U+FDD5
expectTrue(checkDecodeUTF8([ 0xfdd5 ], [], [ 0xef, 0xb7, 0x95 ]))
// U+FDD6
expectTrue(checkDecodeUTF8([ 0xfdd6 ], [], [ 0xef, 0xb7, 0x96 ]))
// U+FDD7
expectTrue(checkDecodeUTF8([ 0xfdd7 ], [], [ 0xef, 0xb7, 0x97 ]))
// U+FDD8
expectTrue(checkDecodeUTF8([ 0xfdd8 ], [], [ 0xef, 0xb7, 0x98 ]))
// U+FDD9
expectTrue(checkDecodeUTF8([ 0xfdd9 ], [], [ 0xef, 0xb7, 0x99 ]))
// U+FDDA
expectTrue(checkDecodeUTF8([ 0xfdda ], [], [ 0xef, 0xb7, 0x9a ]))
// U+FDDB
expectTrue(checkDecodeUTF8([ 0xfddb ], [], [ 0xef, 0xb7, 0x9b ]))
// U+FDDC
expectTrue(checkDecodeUTF8([ 0xfddc ], [], [ 0xef, 0xb7, 0x9c ]))
// U+FDDD
expectTrue(checkDecodeUTF8([ 0xfddd ], [], [ 0xef, 0xb7, 0x9d ]))
// U+FDDE
expectTrue(checkDecodeUTF8([ 0xfdde ], [], [ 0xef, 0xb7, 0x9e ]))
// U+FDDF
expectTrue(checkDecodeUTF8([ 0xfddf ], [], [ 0xef, 0xb7, 0x9f ]))
// U+FDE0
expectTrue(checkDecodeUTF8([ 0xfde0 ], [], [ 0xef, 0xb7, 0xa0 ]))
// U+FDE1
expectTrue(checkDecodeUTF8([ 0xfde1 ], [], [ 0xef, 0xb7, 0xa1 ]))
// U+FDE2
expectTrue(checkDecodeUTF8([ 0xfde2 ], [], [ 0xef, 0xb7, 0xa2 ]))
// U+FDE3
expectTrue(checkDecodeUTF8([ 0xfde3 ], [], [ 0xef, 0xb7, 0xa3 ]))
// U+FDE4
expectTrue(checkDecodeUTF8([ 0xfde4 ], [], [ 0xef, 0xb7, 0xa4 ]))
// U+FDE5
expectTrue(checkDecodeUTF8([ 0xfde5 ], [], [ 0xef, 0xb7, 0xa5 ]))
// U+FDE6
expectTrue(checkDecodeUTF8([ 0xfde6 ], [], [ 0xef, 0xb7, 0xa6 ]))
// U+FDE7
expectTrue(checkDecodeUTF8([ 0xfde7 ], [], [ 0xef, 0xb7, 0xa7 ]))
// U+FDE8
expectTrue(checkDecodeUTF8([ 0xfde8 ], [], [ 0xef, 0xb7, 0xa8 ]))
// U+FDE9
expectTrue(checkDecodeUTF8([ 0xfde9 ], [], [ 0xef, 0xb7, 0xa9 ]))
// U+FDEA
expectTrue(checkDecodeUTF8([ 0xfdea ], [], [ 0xef, 0xb7, 0xaa ]))
// U+FDEB
expectTrue(checkDecodeUTF8([ 0xfdeb ], [], [ 0xef, 0xb7, 0xab ]))
// U+FDEC
expectTrue(checkDecodeUTF8([ 0xfdec ], [], [ 0xef, 0xb7, 0xac ]))
// U+FDED
expectTrue(checkDecodeUTF8([ 0xfded ], [], [ 0xef, 0xb7, 0xad ]))
// U+FDEE
expectTrue(checkDecodeUTF8([ 0xfdee ], [], [ 0xef, 0xb7, 0xae ]))
// U+FDEF
expectTrue(checkDecodeUTF8([ 0xfdef ], [], [ 0xef, 0xb7, 0xaf ]))
// U+FDF0
expectTrue(checkDecodeUTF8([ 0xfdf0 ], [], [ 0xef, 0xb7, 0xb0 ]))
// U+FDF1
expectTrue(checkDecodeUTF8([ 0xfdf1 ], [], [ 0xef, 0xb7, 0xb1 ]))
// U+FDF2
expectTrue(checkDecodeUTF8([ 0xfdf2 ], [], [ 0xef, 0xb7, 0xb2 ]))
// U+FDF3
expectTrue(checkDecodeUTF8([ 0xfdf3 ], [], [ 0xef, 0xb7, 0xb3 ]))
// U+FDF4
expectTrue(checkDecodeUTF8([ 0xfdf4 ], [], [ 0xef, 0xb7, 0xb4 ]))
// U+FDF5
expectTrue(checkDecodeUTF8([ 0xfdf5 ], [], [ 0xef, 0xb7, 0xb5 ]))
// U+FDF6
expectTrue(checkDecodeUTF8([ 0xfdf6 ], [], [ 0xef, 0xb7, 0xb6 ]))
// U+FDF7
expectTrue(checkDecodeUTF8([ 0xfdf7 ], [], [ 0xef, 0xb7, 0xb7 ]))
// U+FDF8
expectTrue(checkDecodeUTF8([ 0xfdf8 ], [], [ 0xef, 0xb7, 0xb8 ]))
// U+FDF9
expectTrue(checkDecodeUTF8([ 0xfdf9 ], [], [ 0xef, 0xb7, 0xb9 ]))
// U+FDFA
expectTrue(checkDecodeUTF8([ 0xfdfa ], [], [ 0xef, 0xb7, 0xba ]))
// U+FDFB
expectTrue(checkDecodeUTF8([ 0xfdfb ], [], [ 0xef, 0xb7, 0xbb ]))
// U+FDFC
expectTrue(checkDecodeUTF8([ 0xfdfc ], [], [ 0xef, 0xb7, 0xbc ]))
// U+FDFD
expectTrue(checkDecodeUTF8([ 0xfdfd ], [], [ 0xef, 0xb7, 0xbd ]))
// U+FDFE
expectTrue(checkDecodeUTF8([ 0xfdfe ], [], [ 0xef, 0xb7, 0xbe ]))
// U+FDFF
expectTrue(checkDecodeUTF8([ 0xfdff ], [], [ 0xef, 0xb7, 0xbf ]))
}
UTF8Decoder.run()
// CHECK: {{^}}UTF8Decoder: All tests passed
var UTF16Decoder = TestCase("UTF16Decoder")
UTF16Decoder.test("Empty") {
expectTrue(checkDecodeUTF16([], [], []))
}
UTF16Decoder.test("SmokeTest") {
//
// 1-word sequences
//
// U+0041 LATIN CAPITAL LETTER A
expectTrue(checkDecodeUTF16([ 0x0041 ], [], [ 0x0041 ]))
// U+0041 LATIN CAPITAL LETTER A
// U+0042 LATIN CAPITAL LETTER B
expectTrue(checkDecodeUTF16([ 0x0041, 0x0042 ], [], [ 0x0041, 0x0042 ]))
// U+0000 NULL
// U+0041 LATIN CAPITAL LETTER A
// U+0042 LATIN CAPITAL LETTER B
// U+0000 NULL
expectTrue(checkDecodeUTF16(
[ 0x0000, 0x0041, 0x0042, 0x0000 ], [],
[ 0x0000, 0x0041, 0x0042, 0x0000 ]))
// U+0283 LATIN SMALL LETTER ESH
expectTrue(checkDecodeUTF16([ 0x0283 ], [], [ 0x0283 ]))
// U+03BA GREEK SMALL LETTER KAPPA
// U+1F79 GREEK SMALL LETTER OMICRON WITH OXIA
// U+03C3 GREEK SMALL LETTER SIGMA
// U+03BC GREEK SMALL LETTER MU
// U+03B5 GREEK SMALL LETTER EPSILON
expectTrue(checkDecodeUTF16(
[ 0x03ba, 0x1f79, 0x03c3, 0x03bc, 0x03b5 ], [],
[ 0x03ba, 0x1f79, 0x03c3, 0x03bc, 0x03b5 ]))
// U+4F8B CJK UNIFIED IDEOGRAPH-4F8B
// U+6587 CJK UNIFIED IDEOGRAPH-6587
expectTrue(checkDecodeUTF16(
[ 0x4f8b, 0x6587 ], [],
[ 0x4f8b, 0x6587 ]))
// U+D55C HANGUL SYLLABLE HAN
// U+AE00 HANGUL SYLLABLE GEUL
expectTrue(checkDecodeUTF16(
[ 0xd55c, 0xae00 ], [],
[ 0xd55c, 0xae00 ]))
// U+1112 HANGUL CHOSEONG HIEUH
// U+1161 HANGUL JUNGSEONG A
// U+11AB HANGUL JONGSEONG NIEUN
// U+1100 HANGUL CHOSEONG KIYEOK
// U+1173 HANGUL JUNGSEONG EU
// U+11AF HANGUL JONGSEONG RIEUL
expectTrue(checkDecodeUTF16(
[ 0x1112, 0x1161, 0x11ab, 0x1100, 0x1173, 0x11af ], [],
[ 0x1112, 0x1161, 0x11ab, 0x1100, 0x1173, 0x11af ]))
//
// 2-word sequences
//
// U+10000 LINEAR B SYLLABLE B008 A
expectTrue(checkDecodeUTF16([ 0x00010000 ], [], [ 0xd800, 0xdc00 ]))
// U+10100 AEGEAN WORD SEPARATOR LINE
expectTrue(checkDecodeUTF16([ 0x00010100 ], [], [ 0xd800, 0xdd00 ]))
// U+103FF (unassigned)
expectTrue(checkDecodeUTF16([ 0x000103ff ], [], [ 0xd800, 0xdfff ]))
// U+E0000 (unassigned)
expectTrue(checkDecodeUTF16([ 0x000e0000 ], [], [ 0xdb40, 0xdc00 ]))
// U+E0100 VARIATION SELECTOR-17
expectTrue(checkDecodeUTF16([ 0x000e0100 ], [], [ 0xdb40, 0xdd00 ]))
// U+E03FF (unassigned)
expectTrue(checkDecodeUTF16([ 0x000e03ff ], [], [ 0xdb40, 0xdfff ]))
// U+10FC00 (private use)
expectTrue(checkDecodeUTF16([ 0x0010fc00 ], [], [ 0xdbff, 0xdc00 ]))
// U+10FD00 (private use)
expectTrue(checkDecodeUTF16([ 0x0010fd00 ], [], [ 0xdbff, 0xdd00 ]))
// U+10FFFF (private use, noncharacter)
expectTrue(checkDecodeUTF16([ 0x0010ffff ], [], [ 0xdbff, 0xdfff ]))
}
UTF16Decoder.test("Incomplete") {
//
// Incomplete sequences that end right before EOF.
//
// U+D800 (high-surrogate)
expectTrue(checkDecodeUTF16([], [ 0xfffd ], [ 0xd800 ]))
// U+D800 (high-surrogate)
// U+D800 (high-surrogate)
expectTrue(checkDecodeUTF16([], [ 0xfffd, 0xfffd ], [ 0xd800, 0xd800 ]))
// U+0041 LATIN CAPITAL LETTER A
// U+D800 (high-surrogate)
expectTrue(checkDecodeUTF16([ 0x0041 ], [ 0xfffd ], [ 0x0041, 0xd800 ]))
// U+10000 LINEAR B SYLLABLE B008 A
// U+D800 (high-surrogate)
expectTrue(checkDecodeUTF16(
[ 0x00010000 ], [ 0xfffd ],
[ 0xd800, 0xdc00, 0xd800 ]))
//
// Incomplete sequences with more code units following them.
//
// U+D800 (high-surrogate)
// U+0041 LATIN CAPITAL LETTER A
expectTrue(checkDecodeUTF16([], [ 0xfffd, 0x0041 ], [ 0xd800, 0x0041 ]))
// U+D800 (high-surrogate)
// U+10000 LINEAR B SYLLABLE B008 A
expectTrue(checkDecodeUTF16(
[], [ 0xfffd, 0x00010000 ],
[ 0xd800, 0xd800, 0xdc00 ]))
// U+0041 LATIN CAPITAL LETTER A
// U+D800 (high-surrogate)
// U+0041 LATIN CAPITAL LETTER A
expectTrue(checkDecodeUTF16(
[ 0x0041 ], [ 0xfffd, 0x0041 ],
[ 0x0041, 0xd800, 0x0041 ]))
// U+0041 LATIN CAPITAL LETTER A
// U+D800 (high-surrogate)
// U+10000 LINEAR B SYLLABLE B008 A
expectTrue(checkDecodeUTF16(
[ 0x0041 ], [ 0xfffd, 0x00010000 ],
[ 0x0041, 0xd800, 0xd800, 0xdc00 ]))
// U+0041 LATIN CAPITAL LETTER A
// U+D800 (high-surrogate)
// U+DB40 (high-surrogate)
// U+0041 LATIN CAPITAL LETTER A
expectTrue(checkDecodeUTF16(
[ 0x0041 ], [ 0xfffd, 0xfffd, 0x0041 ],
[ 0x0041, 0xd800, 0xdb40, 0x0041 ]))
// U+0041 LATIN CAPITAL LETTER A
// U+D800 (high-surrogate)
// U+DB40 (high-surrogate)
// U+10000 LINEAR B SYLLABLE B008 A
expectTrue(checkDecodeUTF16(
[ 0x0041 ], [ 0xfffd, 0xfffd, 0x00010000 ],
[ 0x0041, 0xd800, 0xdb40, 0xd800, 0xdc00 ]))
// U+0041 LATIN CAPITAL LETTER A
// U+D800 (high-surrogate)
// U+DB40 (high-surrogate)
// U+DBFF (high-surrogate)
// U+0041 LATIN CAPITAL LETTER A
expectTrue(checkDecodeUTF16(
[ 0x0041 ], [ 0xfffd, 0xfffd, 0xfffd, 0x0041 ],
[ 0x0041, 0xd800, 0xdb40, 0xdbff, 0x0041 ]))
// U+0041 LATIN CAPITAL LETTER A
// U+D800 (high-surrogate)
// U+DB40 (high-surrogate)
// U+DBFF (high-surrogate)
// U+10000 LINEAR B SYLLABLE B008 A
expectTrue(checkDecodeUTF16(
[ 0x0041 ], [ 0xfffd, 0xfffd, 0xfffd, 0x00010000 ],
[ 0x0041, 0xd800, 0xdb40, 0xdbff, 0xd800, 0xdc00 ]))
}
UTF16Decoder.test("IllFormed") {
//
// Low-surrogate right before EOF.
//
// U+DC00 (low-surrogate)
expectTrue(checkDecodeUTF16([], [ 0xfffd ], [ 0xdc00 ]))
// U+DC00 (low-surrogate)
// U+DC00 (low-surrogate)
expectTrue(checkDecodeUTF16([], [ 0xfffd, 0xfffd ], [ 0xdc00, 0xdc00 ]))
// U+0041 LATIN CAPITAL LETTER A
// U+DC00 (low-surrogate)
expectTrue(checkDecodeUTF16([ 0x0041 ], [ 0xfffd ], [ 0x0041, 0xdc00 ]))
// U+10000 LINEAR B SYLLABLE B008 A
// U+DC00 (low-surrogate)
expectTrue(checkDecodeUTF16(
[ 0x00010000 ], [ 0xfffd ],
[ 0xd800, 0xdc00, 0xdc00 ]))
//
// Low-surrogate with more code units following it.
//
// U+DC00 (low-surrogate)
// U+0041 LATIN CAPITAL LETTER A
expectTrue(checkDecodeUTF16([], [ 0xfffd, 0x0041 ], [ 0xdc00, 0x0041 ]))
// U+DC00 (low-surrogate)
// U+10000 LINEAR B SYLLABLE B008 A
expectTrue(checkDecodeUTF16(
[], [ 0xfffd, 0x00010000 ],
[ 0xdc00, 0xd800, 0xdc00 ]))
// U+0041 LATIN CAPITAL LETTER A
// U+DC00 (low-surrogate)
// U+0041 LATIN CAPITAL LETTER A
expectTrue(checkDecodeUTF16(
[ 0x0041 ], [ 0xfffd, 0x0041 ],
[ 0x0041, 0xdc00, 0x0041 ]))
// U+0041 LATIN CAPITAL LETTER A
// U+DC00 (low-surrogate)
// U+10000 LINEAR B SYLLABLE B008 A
expectTrue(checkDecodeUTF16(
[ 0x0041 ], [ 0xfffd, 0x00010000 ],
[ 0x0041, 0xdc00, 0xd800, 0xdc00 ]))
// U+0041 LATIN CAPITAL LETTER A
// U+DC00 (low-surrogate)
// U+DD00 (low-surrogate)
// U+0041 LATIN CAPITAL LETTER A
expectTrue(checkDecodeUTF16(
[ 0x0041 ], [ 0xfffd, 0xfffd, 0x0041 ],
[ 0x0041, 0xdc00, 0xdd00, 0x0041 ]))
// U+0041 LATIN CAPITAL LETTER A
// U+DC00 (low-surrogate)
// U+DD00 (low-surrogate)
// U+10000 LINEAR B SYLLABLE B008 A
expectTrue(checkDecodeUTF16(
[ 0x0041 ], [ 0xfffd, 0xfffd, 0x00010000 ],
[ 0x0041, 0xdc00, 0xdd00, 0xd800, 0xdc00 ]))
// U+0041 LATIN CAPITAL LETTER A
// U+DC00 (low-surrogate)
// U+DD00 (low-surrogate)
// U+DFFF (low-surrogate)
// U+0041 LATIN CAPITAL LETTER A
expectTrue(checkDecodeUTF16(
[ 0x0041 ], [ 0xfffd, 0xfffd, 0xfffd, 0x0041 ],
[ 0x0041, 0xdc00, 0xdd00, 0xdfff, 0x0041 ]))
// U+0041 LATIN CAPITAL LETTER A
// U+DC00 (low-surrogate)
// U+DD00 (low-surrogate)
// U+DFFF (low-surrogate)
// U+10000 LINEAR B SYLLABLE B008 A
expectTrue(checkDecodeUTF16(
[ 0x0041 ], [ 0xfffd, 0xfffd, 0xfffd, 0x00010000 ],
[ 0x0041, 0xdc00, 0xdd00, 0xdfff, 0xd800, 0xdc00 ]))
//
// Low-surrogate followed by high-surrogate.
//
// U+DC00 (low-surrogate)
// U+D800 (high-surrogate)
expectTrue(checkDecodeUTF16([], [ 0xfffd, 0xfffd ], [ 0xdc00, 0xd800 ]))
// U+DC00 (low-surrogate)
// U+DB40 (high-surrogate)
expectTrue(checkDecodeUTF16([], [ 0xfffd, 0xfffd ], [ 0xdc00, 0xdb40 ]))
// U+DC00 (low-surrogate)
// U+DBFF (high-surrogate)
expectTrue(checkDecodeUTF16([], [ 0xfffd, 0xfffd ], [ 0xdc00, 0xdbff ]))
// U+DD00 (low-surrogate)
// U+D800 (high-surrogate)
expectTrue(checkDecodeUTF16([], [ 0xfffd, 0xfffd ], [ 0xdd00, 0xd800 ]))
// U+DD00 (low-surrogate)
// U+DB40 (high-surrogate)
expectTrue(checkDecodeUTF16([], [ 0xfffd, 0xfffd ], [ 0xdd00, 0xdb40 ]))
// U+DD00 (low-surrogate)
// U+DBFF (high-surrogate)
expectTrue(checkDecodeUTF16([], [ 0xfffd, 0xfffd ], [ 0xdd00, 0xdbff ]))
// U+DFFF (low-surrogate)
// U+D800 (high-surrogate)
expectTrue(checkDecodeUTF16([], [ 0xfffd, 0xfffd ], [ 0xdfff, 0xd800 ]))
// U+DFFF (low-surrogate)
// U+DB40 (high-surrogate)
expectTrue(checkDecodeUTF16([], [ 0xfffd, 0xfffd ], [ 0xdfff, 0xdb40 ]))
// U+DFFF (low-surrogate)
// U+DBFF (high-surrogate)
expectTrue(checkDecodeUTF16([], [ 0xfffd, 0xfffd ], [ 0xdfff, 0xdbff ]))
// U+DC00 (low-surrogate)
// U+D800 (high-surrogate)
// U+0041 LATIN CAPITAL LETTER A
expectTrue(checkDecodeUTF16(
[], [ 0xfffd, 0xfffd, 0x0041 ],
[ 0xdc00, 0xd800, 0x0041 ]))
// U+DC00 (low-surrogate)
// U+D800 (high-surrogate)
// U+10000 LINEAR B SYLLABLE B008 A
expectTrue(checkDecodeUTF16(
[], [ 0xfffd, 0xfffd, 0x10000 ],
[ 0xdc00, 0xd800, 0xd800, 0xdc00 ]))
}
UTF16Decoder.run()
// CHECK: {{^}}UTF16Decoder: All tests passed