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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
//
//===----------------------------------------------------------------------===//
// This test file has been translated from swift/test/Parse/typealias.swift
import XCTest
final class TypealiasTests: ParserTestCase {
func testTypealias2a() {
assertParse(
"""
typealias IntPair = (Int, Int)
"""
)
}
func testTypealias2b() {
assertParse(
"""
typealias IntTriple = (Int, Int, Int)
"""
)
}
func testTypealias2c() {
assertParse(
"""
typealias FiveInts = (IntPair, IntTriple)
"""
)
}
func testTypealias2d() {
assertParse(
"""
var fiveInts : FiveInts = ((4,2), (1,2,3))
"""
)
}
// <rdar://problem/13339798> QoI: poor diagnostic in malformed typealias
func testTypealias3a() {
assertParse(
"""
typealias Foo1 1️⃣: Int
""",
diagnostics: [
DiagnosticSpec(message: "expected '=' in typealias declaration", fixIts: ["replace ':' with '='"])
],
fixedSource: "typealias Foo1 = Int"
)
}
func testTypealias3b() {
assertParse(
"""
typealias Foo21️⃣: Int
""",
diagnostics: [
DiagnosticSpec(message: "expected '=' in typealias declaration", fixIts: ["replace ':' with '='"])
],
fixedSource: "typealias Foo2 = Int"
)
}
func testTypealias3c() {
assertParse(
"""
typealias Foo3 1️⃣:Int
""",
diagnostics: [
DiagnosticSpec(message: "expected '=' in typealias declaration", fixIts: ["replace ':' with '='"])
],
fixedSource: "typealias Foo3 = Int"
)
}
func testTypealias3d() {
assertParse(
"""
typealias Foo41️⃣:/*comment*/Int
""",
diagnostics: [
DiagnosticSpec(message: "expected '=' in typealias declaration", fixIts: ["replace ':' with '='"])
],
fixedSource: "typealias Foo4 =/*comment*/Int"
)
}
func testTypealias5() {
assertParse(
"""
typealias Recovery11️⃣
""",
diagnostics: [
DiagnosticSpec(message: "expected '=' and type in typealias declaration", fixIts: ["insert '=' and type"])
],
fixedSource: """
typealias Recovery1 = <#type#>
"""
)
}
func testTypealias6() {
assertParse(
"""
typealias Recovery2 1️⃣:2️⃣
""",
diagnostics: [
DiagnosticSpec(
locationMarker: "1️⃣",
message: "expected '=' in typealias declaration",
fixIts: ["replace ':' with '='"]
),
DiagnosticSpec(locationMarker: "2️⃣", message: "expected type in typealias declaration", fixIts: ["insert type"]),
],
fixedSource: """
typealias Recovery2 = <#type#>
"""
)
}
func testTypealias7() {
assertParse(
"""
typealias Recovery3 =1️⃣
""",
diagnostics: [
DiagnosticSpec(message: "expected type in typealias declaration", fixIts: ["insert type"])
],
fixedSource: """
typealias Recovery3 = <#type#>
"""
)
}
func testTypealias8() {
assertParse(
"""
typealias Recovery4 1️⃣: Int
""",
diagnostics: [
DiagnosticSpec(message: "expected '=' in typealias declaration", fixIts: ["replace ':' with '='"])
],
fixedSource: """
typealias Recovery4 = Int
"""
)
}
func testTypealias9() {
assertParse(
"""
typealias Recovery5 1️⃣: Int2️⃣, Float
""",
diagnostics: [
DiagnosticSpec(
locationMarker: "1️⃣",
message: "expected '=' in typealias declaration",
fixIts: ["replace ':' with '='"]
),
DiagnosticSpec(locationMarker: "2️⃣", message: "extraneous code ', Float' at top level"),
],
fixedSource: """
typealias Recovery5 = Int, Float
"""
)
}
func testTypealias10() {
assertParse(
"""
typealias Recovery6 = 1️⃣=
""",
diagnostics: [
DiagnosticSpec(message: "expected type in typealias declaration", fixIts: ["insert type"]),
DiagnosticSpec(message: "extraneous code '=' at top level"),
],
fixedSource: """
typealias Recovery6 = <#type#>=
"""
)
}
func testTypealias11() {
assertParse(
"""
typealias 1️⃣switch = Int
""",
diagnostics: [
DiagnosticSpec(
message: "keyword 'switch' cannot be used as an identifier here",
fixIts: ["if this name is unavoidable, use backticks to escape it"]
)
],
fixedSource: "typealias `switch` = Int"
)
}
}
|
