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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 SwiftSyntax
import SwiftSyntaxBuilder
import XCTest
final class StructTests: XCTestCase {
func testEmptyStruct() {
let leadingTrivia = Trivia.unexpectedText("␣")
let buildable = StructDeclSyntax(leadingTrivia: leadingTrivia, name: "TestStruct") {}
assertBuildResult(
buildable,
"""
␣struct TestStruct {
}
"""
)
}
func testNestedStruct() throws {
let nestedStruct = try StructDeclSyntax(
"""
/// A nested struct
/// with multi line comment
struct NestedStruct<A, B: C, D> where A: X, A.P == D
"""
) {}
let carriateReturnsStruct = StructDeclSyntax(
leadingTrivia: [
.docLineComment("/// A nested struct"),
.carriageReturns(1),
.docLineComment("/// with multi line comment where the newline is a CR"),
.carriageReturns(1),
],
structKeyword: .keyword(.struct),
name: "CarriateReturnsStruct",
memberBlock: MemberBlockSyntax(members: [])
)
let carriageReturnFormFeedsStruct = StructDeclSyntax(
leadingTrivia: [
.docLineComment("/// A nested struct"),
.carriageReturnLineFeeds(1),
.docLineComment("/// with multi line comment where the newline is a CRLF"),
.carriageReturnLineFeeds(1),
],
structKeyword: .keyword(.struct),
name: "CarriageReturnFormFeedsStruct",
memberBlock: MemberBlockSyntax(members: [])
)
let testStruct = try StructDeclSyntax("public struct TestStruct") {
nestedStruct
carriateReturnsStruct
carriageReturnFormFeedsStruct
}
assertBuildResult(
testStruct,
"""
public struct TestStruct {
/// A nested struct
/// with multi line comment
struct NestedStruct<A, B: C, D> where A: X, A.P == D {
}
/// A nested struct\r\
/// with multi line comment where the newline is a CR\r\
struct CarriateReturnsStruct {
}
/// A nested struct\r\n\
/// with multi line comment where the newline is a CRLF\r\n\
struct CarriageReturnFormFeedsStruct {
}
}
"""
)
}
func testControlWithLoopAndIf() {
let myStruct = StructDeclSyntax(name: "MyStruct") {
for i in 0..<5 {
if i.isMultiple(of: 2) {
VariableDeclSyntax(bindingSpecifier: .keyword(.let)) {
PatternBindingSyntax(
pattern: PatternSyntax("var\(raw: i)"),
typeAnnotation: TypeAnnotationSyntax(type: TypeSyntax("String"))
)
}
}
}
}
assertBuildResult(
myStruct,
"""
struct MyStruct {
let var0: String
let var2: String
let var4: String
}
"""
)
}
}
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