| // 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("string literals") |
| |
| private struct Expressible<T: _ExpressibleByBuiltinStringLiteral> |
| : ExpressibleByStringLiteral { |
| var value: T |
| init(stringLiteral 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 |
| } |
| |
| private let b = string(0x62) |
| private let 🇦🇺 = string(0x1F1E6, 0x1F1FA) |
| private let abcde = string(0x61, 0x62, 0x63, 0x64, 0x65) |
| |
| testSuite.test("String literal type") { |
| expectEqual(expressible("b", as: String.self), b) |
| expectEqual(expressible("🇦🇺", as: String.self), 🇦🇺) |
| expectEqual(expressible("abcde", as: String.self), abcde) |
| } |
| |
| testSuite.test("StaticString literal type") { |
| expectEqual(expressible("b", as: StaticString.self), b) |
| expectEqual(expressible("🇦🇺", as: StaticString.self), 🇦🇺) |
| expectEqual(expressible("abcde", as: StaticString.self), abcde) |
| } |
| |
| runAllTests() |