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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
//
//===----------------------------------------------------------------------===//
@_spi(RawSyntax) import SwiftSyntax
import XCTest
fileprivate func cannedStructDecl(arena: ParsingSyntaxArena) -> RawStructDeclSyntax {
let structKW = RawTokenSyntax(
kind: .keyword,
text: arena.intern("struct"),
leadingTriviaPieces: [],
trailingTriviaPieces: [.spaces(1)],
presence: .present,
arena: arena
)
let fooID = RawTokenSyntax(
kind: .identifier,
text: arena.intern("Foo"),
leadingTriviaPieces: [],
trailingTriviaPieces: [.spaces(1)],
presence: .present,
arena: arena
)
let lBrace = RawTokenSyntax(
kind: .leftBrace,
text: arena.intern("{"),
leadingTriviaPieces: [],
trailingTriviaPieces: [],
presence: .present,
arena: arena
)
let rBrace = RawTokenSyntax(
kind: .rightBrace,
text: arena.intern("}"),
leadingTriviaPieces: [.newlines(1)],
trailingTriviaPieces: [],
presence: .present,
arena: arena
)
let memberBlock = RawMemberBlockSyntax(
leftBrace: lBrace,
members: RawMemberBlockItemListSyntax(elements: [], arena: arena),
rightBrace: rBrace,
arena: arena
)
return RawStructDeclSyntax(
attributes: RawAttributeListSyntax(elements: [], arena: arena),
modifiers: RawDeclModifierListSyntax(elements: [], arena: arena),
structKeyword: structKW,
name: fooID,
genericParameterClause: nil,
inheritanceClause: nil,
genericWhereClause: nil,
memberBlock: memberBlock,
arena: arena
)
}
final class RawSyntaxTests: XCTestCase {
func testFactory() {
withExtendedLifetime(ParsingSyntaxArena(parseTriviaFunction: dummyParseToken)) { arena in
let structDecl = cannedStructDecl(arena: arena)
XCTAssertEqual(
"\(structDecl.raw)",
"""
struct Foo {
}
"""
)
}
}
func testAccessor() {
withExtendedLifetime(ParsingSyntaxArena(parseTriviaFunction: dummyParseToken)) { arena in
let structDecl = cannedStructDecl(arena: arena)
XCTAssertEqual(structDecl.name.tokenKind, .identifier)
XCTAssertEqual(structDecl.structKeyword.tokenText, "struct")
XCTAssertEqual(structDecl.memberBlock.leftBrace.tokenText, "{")
XCTAssertEqual(structDecl.memberBlock.members.elements.count, 0)
XCTAssert(structDecl.is(RawDeclSyntax.self))
XCTAssertNotNil(structDecl.as(RawDeclSyntax.self))
XCTAssertNil(structDecl.as(RawClassDeclSyntax.self))
XCTAssertFalse(structDecl.is(RawTypeSyntax.self))
}
}
func testMaterializedToken() {
withExtendedLifetime(ParsingSyntaxArena(parseTriviaFunction: dummyParseToken)) { arena in
let ident = RawTokenSyntax(
kind: .identifier,
text: arena.intern("foo"),
leadingTriviaPieces: [],
trailingTriviaPieces: [],
presence: .present,
arena: arena
)
XCTAssertEqual(ident.tokenKind, .identifier)
XCTAssertEqual(ident.tokenText, "foo")
XCTAssertEqual(ident.presence, .present)
XCTAssertEqual(ident.description, "foo")
let missingIdent = RawTokenSyntax(missing: .identifier, arena: arena)
XCTAssertEqual(missingIdent.presence, .missing)
XCTAssertEqual(missingIdent.tokenText, "")
XCTAssertEqual(missingIdent.description, "")
}
}
func testParsedToken() {
withExtendedLifetime(ParsingSyntaxArena(parseTriviaFunction: dummyParseToken)) { arena in
let ident = RawTokenSyntax(
kind: .identifier,
wholeText: arena.intern("\nfoo "),
textRange: 1..<4,
presence: .present,
tokenDiagnostic: nil,
arena: arena
)
XCTAssertEqual(ident.tokenKind, .identifier)
XCTAssertEqual(ident.tokenText, "foo")
XCTAssertEqual(ident.presence, .present)
XCTAssertEqual(ident.leadingTriviaPieces, [.unexpectedText("\n")])
XCTAssertEqual(ident.trailingTriviaPieces, [.unexpectedText(" ")])
XCTAssertEqual(ident.description, "\nfoo ")
let identSyntax = Syntax(raw: ident.raw, rawNodeArena: arena).as(TokenSyntax.self)!
let barIdentSyntax = identSyntax.with(\.tokenKind, .keyword(.open))
let barIdent = barIdentSyntax.raw.as(RawTokenSyntax.self)!
XCTAssertEqual(barIdent.tokenKind, .keyword)
XCTAssertEqual(barIdent.tokenText, "open")
XCTAssertEqual(barIdent.leadingTriviaPieces, [.unexpectedText("\n")])
XCTAssertEqual(barIdent.trailingTriviaPieces, [.unexpectedText(" ")])
XCTAssertEqual(barIdent.description, "\nopen ")
}
}
}
|
