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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 SwiftOperators
import SwiftSyntax
import XCTest
class SyntaxSynthesisTests: XCTestCase {
func testInfixOperator() {
let plus = Operator(
kind: .infix,
name: "+",
precedenceGroup: "AdditivePrecedence"
)
let plusSyntax = plus.synthesizedSyntax()
XCTAssertEqual(
plusSyntax.description,
"infix operator +: AdditivePrecedence"
)
}
func testPrecedenceGroup() {
let group = PrecedenceGroup(
name: "MyGroup",
associativity: .right,
assignment: true,
relations: [.lowerThan("BetterGroup"), .higherThan("WorseGroup")]
)
let groupSyntax = group.synthesizedSyntax()
XCTAssertEqual(
groupSyntax.description,
"""
precedencegroup MyGroup {
associativity: right
assignment: true
lowerThan: BetterGroup
higherThan: WorseGroup
}
"""
)
}
func testLogicalOperatorTable() {
let table = OperatorTable.logicalOperators
XCTAssertEqual(
table.description,
"""
precedencegroup LogicalConjunctionPrecedence {
associativity: left
higherThan: LogicalDisjunctionPrecedence
}
precedencegroup LogicalDisjunctionPrecedence {
associativity: left
}
prefix operator !
infix operator &&: LogicalConjunctionPrecedence
infix operator ||: LogicalDisjunctionPrecedence
"""
)
}
}
|
