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|
//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2023 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
//
//===----------------------------------------------------------------------===//
import MacroExamplesImplementation
import SwiftSyntaxMacros
import SwiftSyntaxMacrosTestSupport
import XCTest
final class OptionSetMacroTests: XCTestCase {
private let macros = ["MyOptionSet": OptionSetMacro.self]
func testExpansionOnStructWithNestedEnumAndStatics() {
assertMacroExpansion(
"""
@MyOptionSet<UInt8>
struct ShippingOptions {
private enum Options: Int {
case nextDay
case secondDay
case priority
case standard
}
static let express: ShippingOptions = [.nextDay, .secondDay]
static let all: ShippingOptions = [.express, .priority, .standard]
}
""",
expandedSource: """
struct ShippingOptions {
private enum Options: Int {
case nextDay
case secondDay
case priority
case standard
}
static let express: ShippingOptions = [.nextDay, .secondDay]
static let all: ShippingOptions = [.express, .priority, .standard]
typealias RawValue = UInt8
var rawValue: RawValue
init() {
self.rawValue = 0
}
init(rawValue: RawValue) {
self.rawValue = rawValue
}
static let nextDay: Self =
Self(rawValue: 1 << Options.nextDay.rawValue)
static let secondDay: Self =
Self(rawValue: 1 << Options.secondDay.rawValue)
static let priority: Self =
Self(rawValue: 1 << Options.priority.rawValue)
static let standard: Self =
Self(rawValue: 1 << Options.standard.rawValue)
}
extension ShippingOptions: OptionSet {
}
""",
macros: macros,
indentationWidth: .spaces(2)
)
}
func testExpansionOnPublicStructWithExplicitOptionSetConformance() {
assertMacroExpansion(
"""
@MyOptionSet<UInt8>
public struct ShippingOptions: OptionSet {
private enum Options: Int {
case nextDay
case standard
}
}
""",
expandedSource: """
public struct ShippingOptions: OptionSet {
private enum Options: Int {
case nextDay
case standard
}
public typealias RawValue = UInt8
public var rawValue: RawValue
public init() {
self.rawValue = 0
}
public init(rawValue: RawValue) {
self.rawValue = rawValue
}
public static let nextDay: Self =
Self(rawValue: 1 << Options.nextDay.rawValue)
public static let standard: Self =
Self(rawValue: 1 << Options.standard.rawValue)
}
""",
macros: macros,
indentationWidth: .spaces(2)
)
}
func testExpansionFailsOnEnumType() {
assertMacroExpansion(
"""
@MyOptionSet<UInt8>
enum Animal {
case dog
}
""",
expandedSource: """
enum Animal {
case dog
}
""",
diagnostics: [
DiagnosticSpec(
message: "'OptionSet' macro can only be applied to a struct",
line: 1,
column: 1
)
],
macros: macros,
indentationWidth: .spaces(2)
)
}
func testExpansionFailsWithoutNestedOptionsEnum() {
assertMacroExpansion(
"""
@MyOptionSet<UInt8>
struct ShippingOptions {
static let express: ShippingOptions = [.nextDay, .secondDay]
static let all: ShippingOptions = [.express, .priority, .standard]
}
""",
expandedSource: """
struct ShippingOptions {
static let express: ShippingOptions = [.nextDay, .secondDay]
static let all: ShippingOptions = [.express, .priority, .standard]
}
""",
diagnostics: [
DiagnosticSpec(
message: "'OptionSet' macro requires nested options enum 'Options'",
line: 1,
column: 1
)
],
macros: macros,
indentationWidth: .spaces(2)
)
}
func testExpansionFailsWithoutSpecifiedRawType() {
assertMacroExpansion(
"""
@MyOptionSet
struct ShippingOptions {
private enum Options: Int {
case nextDay
}
}
""",
expandedSource: """
struct ShippingOptions {
private enum Options: Int {
case nextDay
}
}
""",
diagnostics: [
DiagnosticSpec(
message: "'OptionSet' macro requires a raw type",
line: 1,
column: 1
)
],
macros: macros,
indentationWidth: .spaces(2)
)
}
}
|
