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|
//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2024 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 SwiftBasicFormat
import SwiftParser
import SwiftSyntax
@_spi(Testing) import SwiftSyntaxBuilder
import XCTest
import _SwiftSyntaxTestSupport
fileprivate func assertIndented(
by indentation: Trivia = .tab,
indentFirstLine: Bool = true,
source: String,
expected: String,
file: StaticString = #filePath,
line: UInt = #line
) {
assertStringsEqualWithDiff(
Parser.parse(source: source).indented(by: indentation, indentFirstLine: indentFirstLine).description,
expected,
file: file,
line: line
)
}
final class IndentTests: XCTestCase {
func testNotIndented() {
assertIndented(
source: """
func foo() {
let bar = 2
}
""",
expected: """
\tfunc foo() {
\t let bar = 2
\t}
"""
)
}
func testSingleLineComments() {
assertIndented(
source: """
func foo() {
// This is a comment
// that extends onto
// multiple lines \\
let bar = 2
// and another one
}
""",
expected: """
\tfunc foo() {
\t // This is a comment
\t // that extends onto
\t // multiple lines \\
\t let bar = 2
\t // and another one
\t}
"""
)
}
func testMultiLineComments() {
assertIndented(
source: """
func foo() {
/* This is a multiline comment
that extends onto
multiple lines*/
let bar = 2
/* on a single line */
let another = "Hello, world!" /* on a single line */
}
""",
expected: """
\tfunc foo() {
\t /* This is a multiline comment
\t that extends onto
\tmultiple lines*/
\t let bar = 2
\t /* on a single line */
\t let another = "Hello, world!" /* on a single line */
\t}
"""
)
}
func testMultiLineString() {
assertIndented(
source: #"""
func foo() {
let page = """
<h1>Hello, world!</h1>
<p>This is my web site</p>
"""
}
"""#,
expected: #"""
\#tfunc foo() {
\#t let page = """
\#t <h1>Hello, world!</h1>
\#t <p>This is my web site</p>
\#t """
\#t}
"""#
)
}
func testIndented() {
assertIndented(
source: """
func foo() {
let bar = 2
}
""",
expected: """
\t func foo() {
\t let bar = 2
\t }
"""
)
assertIndented(
source: """
\tfunc foo() {
\t let bar = 2
\t}
""",
expected: """
\t\tfunc foo() {
\t\t let bar = 2
\t\t}
"""
)
}
func testIndentBySpaces() {
assertIndented(
by: .spaces(4),
source: """
func foo() {
let bar = 2
}
""",
expected: """
func foo() {
let bar = 2
}
"""
)
}
func testSkipFirstLine() {
assertIndented(
indentFirstLine: false,
source: """
\nfunc foo() {
let bar = 2
}
""",
expected: """
\n\tfunc foo() {
\t let bar = 2
\t}
"""
)
assertIndented(
indentFirstLine: false,
source: """
func foo() {
let bar = 2
}
""",
expected: """
func foo() {
\t let bar = 2
\t}
"""
)
}
}
|
