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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
class EntryTests: ParserTestCase {
func testTopLevelStringParse() throws {
let source = "func test() {}"
let tree = Parser.parse(source: source)
XCTAssert(!tree.hasError)
XCTAssertEqual(tree.description, source)
}
func testTopLevelBufferParse() throws {
var source = "func test() {}"
source.makeContiguousUTF8()
let tree = source.withUTF8 { Parser.parse(source: $0) }
XCTAssert(!tree.hasError)
XCTAssertEqual(tree.description, source)
}
func testSyntaxParse() throws {
assertParse(
"func test() {}",
{ DeclSyntax.parse(from: &$0) }
)
}
func testRemainderUnexpected() throws {
assertParse(
"func test() {} 1️⃣other tokens",
{ DeclSyntax.parse(from: &$0) },
diagnostics: [DiagnosticSpec(message: "unexpected code 'other tokens' in function")]
)
}
func testRemainderUnexpectedDoesntOverrideExistingUnexpected() throws {
assertParse(
"1️⃣operator 2️⃣test 3️⃣{} other tokens",
{ DeclSyntax.parse(from: &$0) },
substructure: UnexpectedNodesSyntax([
TokenSyntax.leftBraceToken(),
PrecedenceGroupAttributeListSyntax([]),
TokenSyntax.rightBraceToken(),
TokenSyntax.identifier("other"),
TokenSyntax.identifier("tokens"),
]),
substructureAfterMarker: "3️⃣",
diagnostics: [
DiagnosticSpec(
locationMarker: "1️⃣",
message: "operator must be declared as 'prefix', 'postfix', or 'infix'",
fixIts: ["insert 'prefix'", "insert 'infix'", "insert 'postfix'"]
),
DiagnosticSpec(
locationMarker: "2️⃣",
message: "'test' is considered an identifier and must not appear within an operator name"
),
DiagnosticSpec(
locationMarker: "3️⃣",
message: "operator should not be declared with body",
fixIts: ["remove operator body"]
),
],
fixedSource: """
prefix operator test
"""
)
}
}
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