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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 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 SwiftSyntax
import SwiftSyntaxBuilder
import XCTest
fileprivate func assertIndentation(
of sourceFile: SourceFileSyntax,
_ expected: Trivia?,
file: StaticString = #filePath,
line: UInt = #line
) {
let inferred = BasicFormat.inferIndentation(of: sourceFile)
XCTAssertEqual(inferred, expected, file: file, line: line)
}
final class InferIndentationTests: XCTestCase {
func testTwoSpaceIndentation() {
assertIndentation(
of: """
class Foo {
func bar() {
print("hello world")
}
}
""",
.spaces(2)
)
}
func testTwoSpaceIndentationWithMultipleFourSpaceLines() {
assertIndentation(
of: """
class Foo {
func bar() {
print("hello world")
print("test")
print("another")
}
}
""",
.spaces(2)
)
}
func testTabIndentation() {
assertIndentation(
of: """
class Foo {
\tfunc bar() {
\tprint("hello world")
\t}
}
""",
.tabs(1)
)
}
func testUseLineCommentsForInference() {
assertIndentation(
of: """
class Foo {
/// Some doc comment
/// And another
func bar() {
}
}
""",
.spaces(2)
)
}
func testBlockCommentContentsDontCountForInference() {
assertIndentation(
of: """
class Foo {
/*
* Test abc
*/
func bar() {}
}
""",
nil
)
}
func testWithBlockComment() {
assertIndentation(
of: """
class Foo {
/*
* Test abc
*/
func bar() {
print("test")
}
}
""",
.spaces(2)
)
}
func testDontGetConfusedBySingleIncorrectIndentation() {
assertIndentation(
of: """
class Foo {
func bar() {
print("1")
print("2")
print("3")
print("4")
print("5")
print("6")
print("7")
print("8")
print("9")
print("10")
}
}
""",
.spaces(4)
)
}
func testMixedTwoAndFourSpaceIndentation() {
assertIndentation(
of: """
class Foo {
func bar() {
print("1")
print("2")
print("3")
print("4")
print("5")
print("6")
print("7")
print("8")
print("9")
print("10")
}
}
""",
.spaces(2)
)
}
func testMixedSpaceAndTabIndentation() {
assertIndentation(
of: """
class Foo {
func bar() {
print("1")
print("2")
print("3")
print("4")
print("5")
\t\tprint("6")
\t\tprint("7")
\t\tprint("8")
\t\tprint("9")
\t\tprint("10")
\t}
}
""",
nil
)
}
func testMultilineStringLiteralWithInternalIndentation() {
assertIndentation(
of: #"""
class Foo {
func bar() {
print("""
To Do:
- Ignore string literals
- Infer indentation
""")
}
}
"""#,
.spaces(2)
)
}
}
|
