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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 SwiftParser
import SwiftSyntax
import XCTest
final class TypeMemberTests: ParserTestCase {
func testKeyword() {
assertParse(
"MyType.class",
{ TypeSyntax.parse(from: &$0) },
substructure: MemberTypeSyntax(
baseType: IdentifierTypeSyntax(
name: .identifier("MyType")
),
name: .identifier("class")
)
)
}
func testMissing() {
assertParse(
"MyType.1️⃣",
{ TypeSyntax.parse(from: &$0) },
substructure: MemberTypeSyntax(
baseType: IdentifierTypeSyntax(
name: .identifier("MyType")
),
name: .identifier("", presence: .missing)
),
diagnostics: [
DiagnosticSpec(message: "expected name in member type", fixIts: ["insert name"])
],
fixedSource: """
MyType.<#identifier#>
"""
)
}
func testValidWhitespace() {
let expected = Syntax(
MemberTypeSyntax(
baseType: IdentifierTypeSyntax(
name: .identifier("MyType")
),
name: .identifier("Nested")
)
)
let cases: [UInt: String] = [
#line: "MyType .Nested",
#line: "MyType/*foo*/.Nested",
#line: "MyType\n.Nested",
#line: "MyType . Nested",
#line: "MyType/*foo*/./*bar*/Nested",
#line: "MyType\n. Nested",
#line: "MyType\n.\nNested",
]
for (line, source) in cases {
assertParse(
source,
{ TypeSyntax.parse(from: &$0) },
substructure: expected,
line: line
)
}
}
func testInvalidWhitespace() {
let expected = "MyType.Nested"
let cases: [UInt: String] = [
#line: "MyType1️⃣. Nested",
#line: "MyType1️⃣./*bar*/Nested",
]
for (line, source) in cases {
assertParse(
source,
{ TypeSyntax.parse(from: &$0) },
diagnostics: [
DiagnosticSpec(message: "extraneous whitespace after '.' is not permitted", fixIts: ["remove whitespace"])
],
fixedSource: expected,
line: line
)
}
}
func testBaseType() {
let cases: [UInt: String] = [
// Identifiers and member types
#line: "X",
#line: "X<T>",
#line: "X.Y",
#line: "X.Y<T>",
#line: "X<T>.Y",
#line: "X<T>.Y<T>",
// Metatypes
#line: "X.Type",
#line: "X.Protocol",
// Sugared optionals
#line: "X?",
#line: "X!",
// Sugared collections
#line: "[X]",
#line: "[X : Y]",
// Tuples and paren type
#line: "()",
#line: "(X)",
#line: "(X, X)",
// Keywords
#line: "Any",
#line: "Self",
]
for (line, baseType) in cases {
var parser = Parser(baseType)
let expectedSyntax = MemberTypeSyntax(
baseType: TypeSyntax.parse(from: &parser),
name: .identifier("Z")
)
assertParse(
"\(baseType).Z",
{ TypeSyntax.parse(from: &$0) },
substructure: expectedSyntax,
line: line
)
assertParse(
"\(baseType).Z<W>",
{ TypeSyntax.parse(from: &$0) },
substructure: expectedSyntax.with(
\.genericArgumentClause,
GenericArgumentClauseSyntax(
arguments: .init([
GenericArgumentSyntax(argument: IdentifierTypeSyntax(name: .identifier("W")))
])
)
),
line: line
)
}
}
}
|
