1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
|
// Copyright (c) 2014 - 2018 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-simple-swift
// REQUIRES: executable_test
// REQUIRES: objc_interop
#if canImport(TestSupport)
import TestSupport
#endif
#if canImport(FoundationInternationalization)
@testable import FoundationEssentials
@testable import FoundationInternationalization
#endif
#if FOUNDATION_FRAMEWORK
@testable import Foundation
#endif
final class NumberParseStrategyTests : XCTestCase {
func testIntStrategy() {
let format: IntegerFormatStyle<Int> = .init()
let strategy = IntegerParseStrategy(format: format, lenient: true)
XCTAssert(try! strategy.parse("123,123") == 123123)
XCTAssert(try! strategy.parse(" -123,123 ") == -123123)
XCTAssert(try! strategy.parse("+8,765,000") == 8765000)
XCTAssert(try! strategy.parse("+87,650,000") == 87650000)
}
func testParsingCurrency() throws {
let currencyStyle: IntegerFormatStyle<Int>.Currency = .init(code: "USD", locale: Locale(identifier: "en_US"))
let strategy = IntegerParseStrategy(format: currencyStyle, lenient: true)
XCTAssertEqual(try! strategy.parse("$1.00"), 1)
XCTAssertEqual(try! strategy.parse("1.00 US dollars"), 1)
XCTAssertEqual(try! strategy.parse("USD\u{00A0}1.00"), 1)
XCTAssertEqual(try! strategy.parse("$1,234.56"), 1234)
XCTAssertEqual(try! strategy.parse("1,234.56 US dollars"), 1234)
XCTAssertEqual(try! strategy.parse("USD\u{00A0}1,234.56"), 1234)
XCTAssertEqual(try! strategy.parse("-$1,234.56"), -1234)
XCTAssertEqual(try! strategy.parse("-1,234.56 US dollars"), -1234)
XCTAssertEqual(try! strategy.parse("-USD\u{00A0}1,234.56"), -1234)
let accounting = IntegerParseStrategy(format: currencyStyle.sign(strategy: .accounting), lenient: true)
XCTAssertEqual(try! accounting.parse("($1,234.56)"), -1234)
}
func testParsingIntStyle() throws {
func _verifyResult(_ testData: [String], _ expected: [Int], _ style: IntegerFormatStyle<Int>, _ testName: String = "") {
for i in 0..<testData.count {
let parsed = try! Int(testData[i], strategy: style.parseStrategy)
XCTAssertEqual(parsed, expected[i], testName)
}
}
let locale = Locale(identifier: "en_US")
let style: IntegerFormatStyle<Int> = .init(locale: locale)
let data = [
87650000, 8765000, 876500, 87650, 8765, 876, 87, 8, 0
]
_verifyResult([ "8.765E7", "8.765E6", "8.765E5", "8.765E4", "8.765E3", "8.76E2", "8.7E1", "8E0", "0E0" ], data, style.notation(.scientific), "int style, notation: scientific")
_verifyResult([ "87,650,000.", "8,765,000.", "876,500.", "87,650.", "8,765.", "876.", "87.", "8.", "0." ], data, style.decimalSeparator(strategy: .always), "int style, decimal separator: always")
}
func testRoundtripParsing_percent() {
func _verifyRoundtripPercent(_ testData: [Int], _ style: IntegerFormatStyle<Int>.Percent, _ testName: String = "", file: StaticString = #filePath, line: UInt = #line) {
for value in testData {
let str = style.format(value)
let parsed = try! Int(str, strategy: style.parseStrategy)
XCTAssertEqual(value, parsed, "\(testName): formatted string: \(str) parsed: \(parsed)", file: file, line: line)
let nonLenientParsed = try! Int(str, format: style, lenient: false)
XCTAssertEqual(value, nonLenientParsed, file: file, line: line)
}
}
let locale = Locale(identifier: "en_US")
let percentStyle: IntegerFormatStyle<Int>.Percent = .init(locale: locale)
let testData: [Int] = [
87650000, 8765000, 876500, 87650, 8765, 876, 87, 8, 0
]
let negativeData: [Int] = [
-87650000, -8765000, -876500, -87650, -8765, -876, -87, -8
]
_verifyRoundtripPercent(testData, percentStyle, "percent style")
_verifyRoundtripPercent(testData, percentStyle.sign(strategy: .always()), "percent style, sign: always")
_verifyRoundtripPercent(testData, percentStyle.grouping(.never), "percent style, grouping: never")
_verifyRoundtripPercent(testData, percentStyle.notation(.scientific), "percent style, scientific notation")
_verifyRoundtripPercent(testData, percentStyle.decimalSeparator(strategy: .always), "percent style, decimal display: always")
_verifyRoundtripPercent(negativeData, percentStyle, "percent style")
_verifyRoundtripPercent(negativeData, percentStyle.grouping(.never), "percent style, grouping: never")
_verifyRoundtripPercent(negativeData, percentStyle.notation(.scientific), "percent style, scientific notation")
_verifyRoundtripPercent(negativeData, percentStyle.decimalSeparator(strategy: .always), "percent style, decimal display: always")
func _verifyRoundtripPercent(_ testData: [Double], _ style: FloatingPointFormatStyle<Double>.Percent, _ testName: String = "", file: StaticString = #filePath, line: UInt = #line) {
for value in testData {
let str = style.format(value)
let parsed = try! Double(str, format: style, lenient: true)
XCTAssertEqual(value, parsed, "\(testName): formatted string: \(str) parsed: \(parsed)", file: file, line: line)
let nonLenientParsed = try! Double(str, format: style, lenient: false)
XCTAssertEqual(value, nonLenientParsed, file: file, line: line)
}
}
let floatData = testData.map { Double($0) }
let floatStyle: FloatingPointFormatStyle<Double>.Percent = .init(locale: locale)
_verifyRoundtripPercent(floatData, floatStyle, "percent style")
_verifyRoundtripPercent(floatData, floatStyle.sign(strategy: .always()), "percent style, sign: always")
_verifyRoundtripPercent(floatData, floatStyle.grouping(.never), "percent style, grouping: never")
_verifyRoundtripPercent(floatData, floatStyle.notation(.scientific), "percent style, scientific notation")
_verifyRoundtripPercent(floatData, floatStyle.decimalSeparator(strategy: .always), "percent style, decimal display: always")
}
func test_roundtripCurrency() {
let testData: [Int] = [
87650000, 8765000, 876500, 87650, 8765, 876, 87, 8, 0
]
let negativeData: [Int] = [
-87650000, -8765000, -876500, -87650, -8765, -876, -87, -8
]
func _verifyRoundtripCurrency(_ testData: [Int], _ style: IntegerFormatStyle<Int>.Currency, _ testName: String = "", file: StaticString = #filePath, line: UInt = #line) {
for value in testData {
let str = style.format(value)
let parsed = try! Int(str, strategy: style.parseStrategy)
XCTAssertEqual(value, parsed, "\(testName): formatted string: \(str) parsed: \(parsed)", file: file, line: line)
let nonLenientParsed = try! Int(str, format: style, lenient: false)
XCTAssertEqual(value, nonLenientParsed, file: file, line: line)
}
}
let currencyStyle: IntegerFormatStyle<Int>.Currency = .init(code: "USD", locale: Locale(identifier: "en_US"))
_verifyRoundtripCurrency(testData, currencyStyle, "currency style")
_verifyRoundtripCurrency(testData, currencyStyle.sign(strategy: .always()), "currency style, sign: always")
_verifyRoundtripCurrency(testData, currencyStyle.grouping(.never), "currency style, grouping: never")
_verifyRoundtripCurrency(testData, currencyStyle.presentation(.isoCode), "currency style, presentation: iso code")
_verifyRoundtripCurrency(testData, currencyStyle.presentation(.fullName), "currency style, presentation: iso code")
_verifyRoundtripCurrency(testData, currencyStyle.presentation(.narrow), "currency style, presentation: iso code")
_verifyRoundtripCurrency(testData, currencyStyle.decimalSeparator(strategy: .always), "currency style, decimal display: always")
_verifyRoundtripCurrency(negativeData, currencyStyle, "currency style")
_verifyRoundtripCurrency(negativeData, currencyStyle.sign(strategy: .accountingAlways()), "currency style, sign: always")
_verifyRoundtripCurrency(negativeData, currencyStyle.grouping(.never), "currency style, grouping: never")
_verifyRoundtripCurrency(negativeData, currencyStyle.presentation(.isoCode), "currency style, presentation: iso code")
_verifyRoundtripCurrency(negativeData, currencyStyle.presentation(.fullName), "currency style, presentation: iso code")
_verifyRoundtripCurrency(negativeData, currencyStyle.presentation(.narrow), "currency style, presentation: iso code")
_verifyRoundtripCurrency(negativeData, currencyStyle.decimalSeparator(strategy: .always), "currency style, decimal display: always")
}
let testNegativePositiveDecimalData: [Decimal] = [ Decimal(string:"87650")!, Decimal(string:"8765")!,
Decimal(string:"876.5")!, Decimal(string:"87.65")!, Decimal(string:"8.765")!, Decimal(string:"0.8765")!, Decimal(string:"0.08765")!, Decimal(string:"0.008765")!, Decimal(string:"0")!, Decimal(string:"-0.008765")!, Decimal(string:"-876.5")!, Decimal(string:"-87650")! ]
func testDecimalParseStrategy() throws {
func _verifyRoundtrip(_ testData: [Decimal], _ style: Decimal.FormatStyle, _ testName: String = "") {
for value in testData {
let str = style.format(value)
let parsed = try! Decimal(str, strategy: Decimal.ParseStrategy(formatStyle: style, lenient: true))
XCTAssertEqual(value, parsed, "\(testName): formatted string: \(str) parsed: \(parsed)")
}
}
let style = Decimal.FormatStyle(locale: Locale(identifier: "en_US"))
_verifyRoundtrip(testNegativePositiveDecimalData, style)
}
func testDecimalParseStrategy_Currency() throws {
let currencyStyle = Decimal.FormatStyle.Currency(code: "USD", locale: Locale(identifier: "en_US"))
let strategy = Decimal.ParseStrategy(formatStyle: currencyStyle, lenient: true)
XCTAssertEqual(try! strategy.parse("$1.00"), 1)
XCTAssertEqual(try! strategy.parse("1.00 US dollars"), 1)
XCTAssertEqual(try! strategy.parse("USD\u{00A0}1.00"), 1)
XCTAssertEqual(try! strategy.parse("$1,234.56"), Decimal(string: "1234.56")!)
XCTAssertEqual(try! strategy.parse("1,234.56 US dollars"), Decimal(string: "1234.56")!)
XCTAssertEqual(try! strategy.parse("USD\u{00A0}1,234.56"), Decimal(string: "1234.56")!)
XCTAssertEqual(try! strategy.parse("-$1,234.56"), Decimal(string: "-1234.56")!)
XCTAssertEqual(try! strategy.parse("-1,234.56 US dollars"), Decimal(string: "-1234.56")!)
XCTAssertEqual(try! strategy.parse("-USD\u{00A0}1,234.56"), Decimal(string: "-1234.56")!)
}
func testNumericBoundsParsing() throws {
let locale = Locale(identifier: "en_US")
do {
let format: IntegerFormatStyle<Int8> = .init(locale: locale)
let parseStrategy = IntegerParseStrategy(format: format, lenient: true)
XCTAssertEqual(try parseStrategy.parse(Int8.min.formatted(format)), Int8.min)
XCTAssertEqual(try parseStrategy.parse(Int8.max.formatted(format)), Int8.max)
XCTAssertThrowsError(try parseStrategy.parse("-129"))
XCTAssertThrowsError(try parseStrategy.parse("128"))
}
do {
let format: IntegerFormatStyle<Int64> = .init(locale: locale)
let parseStrategy = IntegerParseStrategy(format: format, lenient: true)
XCTAssertEqual(try parseStrategy.parse(Int64.min.formatted(format)), Int64.min)
XCTAssertEqual(try parseStrategy.parse(Int64.max.formatted(format)), Int64.max)
XCTAssertThrowsError(try parseStrategy.parse("-9223372036854775809"))
XCTAssertThrowsError(try parseStrategy.parse("9223372036854775808"))
}
do {
let format: IntegerFormatStyle<UInt8> = .init(locale: locale)
let parseStrategy = IntegerParseStrategy(format: format, lenient: true)
XCTAssertEqual(try parseStrategy.parse(UInt8.min.formatted(format)), UInt8.min)
XCTAssertEqual(try parseStrategy.parse(UInt8.max.formatted(format)), UInt8.max)
XCTAssertThrowsError(try parseStrategy.parse("-1"))
XCTAssertThrowsError(try parseStrategy.parse("256"))
}
do {
// TODO: Parse integers greater than Int64
let format: IntegerFormatStyle<UInt64> = .init(locale: locale)
let parseStrategy = IntegerParseStrategy(format: format, lenient: true)
XCTAssertEqual( try parseStrategy.parse(UInt64.min.formatted(format)), UInt64.min)
XCTAssertThrowsError(try parseStrategy.parse(UInt64.max.formatted(format)))
XCTAssertThrowsError(try parseStrategy.parse("-1"))
XCTAssertThrowsError(try parseStrategy.parse("18446744073709551616"))
// TODO: Parse integers greater than Int64
let maxInt64 = UInt64(Int64.max)
XCTAssertEqual( try parseStrategy.parse((maxInt64 + 0).formatted(format)), maxInt64) // not a Double
XCTAssertThrowsError(try parseStrategy.parse((maxInt64 + 1).formatted(format))) // exact Double
XCTAssertThrowsError(try parseStrategy.parse((maxInt64 + 2).formatted(format))) // not a Double
XCTAssertThrowsError(try parseStrategy.parse((maxInt64 + 3).formatted(format))) // not a Double
}
}
func testIntegerParseStrategyDoesNotRoundLargeIntegersToNearestDouble() {
XCTAssertEqual(Double("9007199254740992"), Double(exactly: UInt64(1) << 53)!) // +2^53 + 0 -> +2^53
XCTAssertEqual(Double("9007199254740993"), Double(exactly: UInt64(1) << 53)!) // +2^53 + 1 -> +2^53
XCTAssertEqual(Double.significandBitCount, 52, "Double can represent each integer in -2^53 ... 2^53")
let locale = Locale(identifier: "en_US")
do {
let format: IntegerFormatStyle<Int64> = .init(locale: locale)
let parseStrategy = IntegerParseStrategy(format: format, lenient: true)
XCTAssertNotEqual(try? parseStrategy.parse("-9223372036854776832"), -9223372036854775808) // -2^63 - 1024 (Double: -2^63)
XCTAssertNil( try? parseStrategy.parse("-9223372036854776833")) // -2^63 - 1025 (Double: -2^63 - 2048)
}
do {
let format: IntegerFormatStyle<UInt64> = .init(locale: locale)
let parseStrategy = IntegerParseStrategy(format: format, lenient: true)
XCTAssertNotEqual(try? parseStrategy.parse( "9223372036854776832"), 9223372036854775808) // +2^63 + 1024 (Double: +2^63)
XCTAssertNotEqual(try? parseStrategy.parse( "9223372036854776833"), 9223372036854777856) // +2^63 + 1025 (Double: +2^63 + 2048)
}
}
}
final class NumberExtensionParseStrategyTests: XCTestCase {
let enUS = Locale(identifier: "en_US")
func testDecimal_stringLength() throws {
let numberStyle = Decimal.FormatStyle(locale: enUS)
XCTAssertNotNil(try Decimal("-3,000.14159", format: numberStyle))
XCTAssertNotNil(try Decimal("-3.14159", format: numberStyle))
XCTAssertNotNil(try Decimal("12,345.678", format: numberStyle))
XCTAssertNotNil(try Decimal("0.00", format: numberStyle))
let percentStyle = Decimal.FormatStyle.Percent(locale: enUS)
XCTAssertNotNil(try Decimal("-3,000.14159%", format: percentStyle))
XCTAssertNotNil(try Decimal("-3.14159%", format: percentStyle))
XCTAssertNotNil(try Decimal("12,345.678%", format: percentStyle))
XCTAssertNotNil(try Decimal("0.00%", format: percentStyle))
let currencyStyle = Decimal.FormatStyle.Currency(code: "USD", locale: enUS)
XCTAssertNotNil(try Decimal("$12,345.00", format: currencyStyle))
XCTAssertNotNil(try Decimal("$12345.68", format: currencyStyle))
XCTAssertNotNil(try Decimal("$0.00", format: currencyStyle))
XCTAssertNotNil(try Decimal("-$3000.0000014", format: currencyStyle))
}
func testDecimal_withFormat() throws {
XCTAssertEqual(try Decimal("+3000", format: .number.locale(enUS).grouping(.never).sign(strategy: .always())), Decimal(3000))
XCTAssertEqual(try Decimal("$3000", format: .currency(code: "USD").locale(enUS).grouping(.never)), Decimal(3000))
}
func testDecimal_withFormat_localeDependent() throws {
guard Locale.autoupdatingCurrent.identifier == "en_US" else {
print("Your current locale is \(Locale.autoupdatingCurrent). Set it to en_US to run this test")
return
}
XCTAssertEqual(try Decimal("-3,000.14159", format: .number), Decimal(-3000.14159))
XCTAssertEqual(try Decimal("-3.14159", format: .number), Decimal(-3.14159))
XCTAssertEqual(try Decimal("12,345.678", format: .number), Decimal(12345.678))
XCTAssertEqual(try Decimal("0.00", format: .number), 0)
XCTAssertEqual(try Decimal("-3,000.14159%", format: .percent), Decimal(-30.0014159))
XCTAssertEqual(try Decimal("-314.159%", format: .percent), Decimal(-3.14159))
XCTAssertEqual(try Decimal("12,345.678%", format: .percent), Decimal(123.45678))
XCTAssertEqual(try Decimal("0.00%", format: .percent), 0)
XCTAssertEqual(try Decimal("$12,345.00", format: .currency(code: "USD")), Decimal(12345))
XCTAssertEqual(try Decimal("$12345.68", format: .currency(code: "USD")), Decimal(12345.68))
XCTAssertEqual(try Decimal("$0.00", format: .currency(code: "USD")), Decimal(0))
XCTAssertEqual(try Decimal("-$3000.0000014", format: .currency(code: "USD")), Decimal(string: "-3000.0000014")!)
}
}
|
