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// 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()
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