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//===--- Unicode.swift ----------------------------------------------------===//
//
// 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 https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
// RUN: %target-run-stdlib-swift
// REQUIRES: executable_test
import Swift
import StdlibUnittest
var UnicodeInternals = TestSuite("UnicodeInternals")
UnicodeInternals.test("copy") {
var u8: [UTF8.CodeUnit] = [ 0, 1, 2, 3, 4, 5 ]
var u16: [UTF16.CodeUnit] = [ 6, 7, 8, 9, 10, 11 ]
u16.withUnsafeMutableBufferPointer {
(u16) -> () in
let p16 = u16.baseAddress!
u8.withUnsafeMutableBufferPointer {
(u8) -> () in
let p8 = u8.baseAddress!
UTF16._copy(source: p8, destination: p16, count: 3)
expectEqual([ 0, 1, 2, 9, 10, 11 ], Array(u16))
UTF16._copy(source: p16 + 3, destination: p8, count: 3)
expectEqual([ 9, 10, 11, 3, 4, 5 ], Array(u8))
UTF16._copy(source: p16, destination: p16 + 3, count: 3)
expectEqual([ 0, 1, 2, 0, 1, 2 ], Array(u16))
UTF16._copy(source: p8, destination: p8 + 3, count: 3)
expectEqual([ 9, 10, 11, 9, 10, 11 ], Array(u8))
}
}
}
var UnicodeAPIs = TestSuite("UnicodeAPIs")
UnicodeAPIs.test("UnicodeDecodingResult/Equatable") {
let instances: [UnicodeDecodingResult] = [
.scalarValue("a"),
.scalarValue("b"),
.emptyInput,
.error
]
checkEquatable(instances, oracle: ==)
}
typealias ASCII = Unicode.ASCII
typealias UTF8 = Unicode.UTF8
typealias UTF16 = Unicode.UTF16
typealias UTF32 = Unicode.UTF32
UnicodeAPIs.test("UTF-8 and UTF-16 queries") {
guard #available(SwiftStdlib 5.1, *) else {
return
}
let str = "abรฉร01๐๐๐จโ๐จโ๐งโ๐ฆใขใคใฆใจใช"
let scalars = Array(str.unicodeScalars)
for scalar in scalars {
expectEqual(String(scalar).utf16.count, UTF16.width(scalar))
expectEqual(String(scalar).utf8.count, UTF8.width(scalar))
expectEqual(UTF32.isASCII(scalar.value), UTF8.isASCII(scalar.utf8[0]))
expectEqual(UTF32.isASCII(scalar.value), ASCII.isASCII(scalar.utf8[0]))
expectEqual(UTF32.isASCII(scalar.value), UTF16.isASCII(scalar.utf16[0]))
if scalar.utf16.count == 2 {
let lead = scalar.utf16[0]
let trail = scalar.utf16[1]
expectTrue(UTF16.isLeadSurrogate(lead))
expectTrue(UTF16.isSurrogate(lead))
expectFalse(UTF16.isASCII(lead))
expectTrue(UTF16.isTrailSurrogate(trail))
expectTrue(UTF16.isSurrogate(trail))
} else {
let codeUnit = scalar.utf16[0]
expectFalse(UTF16.isLeadSurrogate(codeUnit))
expectFalse(UTF16.isTrailSurrogate(codeUnit))
expectFalse(UTF16.isSurrogate(codeUnit))
expectEqual(codeUnit <= 0x7F, UTF16.isASCII(codeUnit))
}
expectFalse(UTF8.isContinuation(scalar.utf8[0]))
if scalar.utf8.count == 1 {
let ascii = scalar.utf8[0]
expectFalse(UTF8.isContinuation(ascii))
expectTrue(UTF8.isASCII(ascii))
} else {
expectFalse(UTF8.isASCII(scalar.utf8[0]))
expectFalse(UTF8.isContinuation(scalar.utf8[0]))
for i in 1..<scalar.utf8.count {
expectTrue(UTF8.isContinuation(scalar.utf8[i]))
expectFalse(UTF8.isASCII(scalar.utf8[i]))
}
}
}
}
runAllTests()
|
