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//===--- KeyValuePairs.swift ------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 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
import Foundation
import StdlibUnittest
// Check that the generic parameters are called 'Key' and 'Value'.
protocol TestProtocol1 {}
extension KeyValuePairs where Key : TestProtocol1, Value : TestProtocol1 {
var _keyAndValueAreTestProtocol1: Bool {
fatalError("not implemented")
}
}
func checkAssociatedTypes() {
typealias Subject = KeyValuePairs<MinimalHashableValue, OpaqueValue<Int>>
expectRandomAccessCollectionAssociatedTypes(
collectionType: Subject.self,
iteratorType: IndexingIterator<Subject>.self,
subSequenceType: Slice<Subject>.self,
indexType: Int.self,
indicesType: CountableRange<Int>.self)
}
var strings: KeyValuePairs = ["a": "1", "b": "Foo"]
expectType(KeyValuePairs<String, String>.self, &strings)
var stringNSStringLiteral: KeyValuePairs = [
"a": "1", "b": "Foo" as NSString]
expectType(KeyValuePairs<String, NSString>.self, &stringNSStringLiteral)
let aString = "1"
let anNSString = "Foo" as NSString
var stringNSStringLet: KeyValuePairs = [ "a": aString as NSString, "b": anNSString]
expectType(KeyValuePairs<String, NSString>.self, &stringNSStringLet)
var hetero: KeyValuePairs = ["a": 1 as NSNumber, "b": "Foo" as NSString]
expectType(KeyValuePairs<String, NSObject>.self, &hetero)
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