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
|
// RUN: %target-run-simple-swift
// RUN: %target-build-swift -O %s -o %t/a.out.optimized
// RUN: %target-codesign %t/a.out.optimized
// RUN: %target-run %t/a.out.optimized
// REQUIRES: executable_test
import StdlibUnittest
private let testSuite = TestSuite("UnicodeScalar literals")
private struct Expressible<T: _ExpressibleByBuiltinUnicodeScalarLiteral>
: ExpressibleByUnicodeScalarLiteral {
var value: T
init(unicodeScalarLiteral value: T) {
self.value = value
}
}
private func string(_ characters: UInt32...) -> String {
return String(characters.map { Character(UnicodeScalar($0)!) })
}
private func expressible<T>(_ literal: Expressible<T>, as type: T.Type)
-> String where T: CustomStringConvertible {
return literal.value.description
}
let b = string(0x62)
let β = string(0x03_B2)
let 𝔹 = string(0x01_D5_39)
testSuite.test("String literal type") {
expectEqual(expressible("b", as: String.self), b)
expectEqual(expressible("β", as: String.self), β)
expectEqual(expressible("𝔹", as: String.self), 𝔹)
}
testSuite.test("StaticString literal type") {
expectEqual(expressible("b", as: StaticString.self), b)
expectEqual(expressible("β", as: StaticString.self), β)
expectEqual(expressible("𝔹", as: StaticString.self), 𝔹)
}
testSuite.test("Character literal type") {
expectEqual(expressible("b", as: Character.self), b)
expectEqual(expressible("β", as: Character.self), β)
expectEqual(expressible("𝔹", as: Character.self), 𝔹)
}
testSuite.test("UnicodeScalar literal type") {
expectEqual(expressible("b", as: UnicodeScalar.self), b)
expectEqual(expressible("β", as: UnicodeScalar.self), β)
expectEqual(expressible("𝔹", as: UnicodeScalar.self), 𝔹)
}
runAllTests()
|
