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//===--- SmallStringCompatibility.swift -----------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2025 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
// REQUIRES: CPU=wasm32 || CPU=arm64_32
import StdlibUnittest
var suite = TestSuite("SmallStringCompatibility")
defer { runAllTests() }
var strings = [
("Small", true),
("Less small", true),
("Positively large.", true),
]
#if os(watchOS)
strings[1].1 = false
#endif
strings.forEach { (string, contiguous) in
suite.test("Contiguous: \(string)")
.require(.stdlib_6_2).code {
expectEqual(string.isContiguousUTF8, contiguous)
}
}
strings.forEach { (string, contiguous) in
suite.test("Contiguous Substring: \(string)")
.require(.stdlib_6_2).code {
let substring = string[...]
expectEqual(substring.isContiguousUTF8, contiguous)
}
}
strings.forEach { (string, contiguous) in
suite.test("String.makeContiguousUTF8: \(string)")
.require(.stdlib_6_2).code {
var s = string
s.makeContiguousUTF8()
expectTrue(s.isContiguousUTF8)
expectEqual(s, string)
}
}
strings.forEach { (string, contiguous) in
suite.test("Substring.makeContiguousUTF8: \(string)")
.require(.stdlib_6_2).code {
var s: Substring = string.dropFirst().dropLast()
s.makeContiguousUTF8()
expectTrue(s.isContiguousUTF8)
expectEqual(s, string.dropFirst().dropLast())
}
}
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