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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2019 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 IndexStoreDB
import ISDBTestSupport
import XCTest
final class LocationScannerTests: XCTestCase {
static let magicURL: URL = URL(fileURLWithPath: "/magic.swift")
struct Loc: Equatable, Comparable {
var url: URL
var name: String
var line: Int
var utf8Column: Int
var utf16Column: Int
init(
url: URL = LocationScannerTests.magicURL,
_ name: String,
_ line: Int,
utf8Column: Int,
utf16Column: Int)
{
self.url = url
self.name = name
self.line = line
self.utf8Column = utf8Column
self.utf16Column = utf16Column
}
init(url: URL = LocationScannerTests.magicURL, _ name: String, _ line: Int, _ column: Int) {
self.init(url: url, name, line, utf8Column: column, utf16Column: column)
}
init(_ name: String, _ loc: TestLocation) {
self.init(
url: loc.url,
name, loc.line,
utf8Column: loc.utf8Column,
utf16Column: loc.utf16Column)
}
static func <(a: Loc, b: Loc) -> Bool {
return (a.url.absoluteString, a.line, a.utf8Column, a.name) <
(b.url.absoluteString, b.line, b.utf8Column, b.name)
}
}
func scanString(_ str: String) throws -> [Loc] {
var scanner = TestLocationScanner()
try scanner.scan(str, url: LocationScannerTests.magicURL)
return scanner.result.map { key, value in Loc(key, value) }.sorted()
}
func scanDir(_ dir: URL) throws -> [Loc] {
return try scanLocations(rootDirectory: dir, sourceCache: SourceFileCache())
.map { key, value in Loc(key, value) }.sorted()
}
func testSmall() throws {
XCTAssertEqual(try scanString(""), [])
XCTAssertEqual(try scanString("/"), [])
XCTAssertEqual(try scanString("/*"), [])
XCTAssertEqual(try scanString("/**"), [])
XCTAssertEqual(try scanString("**/"), [])
XCTAssertEqual(try scanString("/*/"), [])
XCTAssertEqual(try scanString("/**/"), [Loc("", 1, 5)])
XCTAssertEqual(try scanString("/*a*/*/*b*/"), [Loc("a", 1, 6), Loc("b", 1, 12)])
XCTAssertEqual(try scanString("/**/ "), [Loc("", 1, 5)])
XCTAssertEqual(try scanString(" /**/"), [Loc("", 1, 6)])
XCTAssertEqual(try scanString("*/**/"), [Loc("", 1, 6)])
XCTAssertEqual(try scanString(" /**/a"), [Loc("", 1, 6)])
}
func testName() throws {
XCTAssertEqual(try scanString("/*a*/"), [Loc("a", 1, 6)])
XCTAssertEqual(try scanString("/*abc*/"), [Loc("abc", 1, 8)])
XCTAssertEqual(try scanString("/*a:b*/"), [Loc("a:b", 1, 8)])
}
func testDuplicate() throws {
XCTAssertThrowsError(try scanString("/*a*//*a*/"))
XCTAssertThrowsError(try scanString("/**//**/"))
}
func testNested() throws {
XCTAssertThrowsError(try scanString("/*/**/*/"))
XCTAssertThrowsError(try scanString("/* /**/*/"))
XCTAssertThrowsError(try scanString("/*/**/ */"))
XCTAssertThrowsError(try scanString("/*/* */*/"))
}
func testLocation() throws {
XCTAssertEqual(try scanString("/*a*/"), [Loc("a", 1, 6)])
XCTAssertEqual(try scanString(" /*a*/"), [Loc("a", 1, 9)])
XCTAssertEqual(try scanString("""
/*a*/
"""), [Loc("a", 2, 6)])
XCTAssertEqual(try scanString("""
/*a*/
"""), [Loc("a", 3, 6)])
XCTAssertEqual(try scanString("""
a
b
/*a*/
"""), [Loc("a", 3, 6)])
XCTAssertEqual(try scanString("""
a
b /*a*/
"""), [Loc("a", 3, 8)])
XCTAssertEqual(try scanString("""
/*a*/
"""), [Loc("a", 2, 6)])
}
func testMultiple() throws {
XCTAssertEqual(try scanString("""
func /*f*/f() {
/*g:call*/g(/*g:arg1*/1)
}/*end*/
"""), [
Loc("f", 1, 11),
Loc("g:call", 2, 13),
Loc("g:arg1", 2, 25),
Loc("end", 3, 9),
])
}
func testLeft() throws {
XCTAssertEqual(try scanString("/*a*/"), [Loc("a", 1, 6)])
XCTAssertEqual(try scanString("/*<a*/"), [Loc("a", 1, 1)])
XCTAssertEqual(try scanString("/*a*/foo/*<a:end*/"), [
Loc("a", 1, 6),
Loc("a:end", 1, 9)
])
XCTAssertThrowsError(try scanString("/*<a*//*a*/"))
}
func testDirectory() throws {
let proj1 = XCTestCase.isdbInputsDirectory
.appendingPathComponent("proj1", isDirectory: true)
XCTAssertEqual(try scanDir(proj1), [
Loc(url: proj1.appendingPathComponent("a.swift", isDirectory: false), "a:def", 1, 15),
Loc(url: proj1.appendingPathComponent("a.swift", isDirectory: false), "b:call", 2, 13),
Loc(url: proj1.appendingPathComponent("a.swift", isDirectory: false), "c:call", 3, 13),
Loc(url: proj1.appendingPathComponent("b.swift", isDirectory: false), "b:def", 1, 15),
Loc(url: proj1.appendingPathComponent("b.swift", isDirectory: false), "a:call", 2, 13),
Loc(url: proj1.appendingPathComponent("rec/c.swift", isDirectory: false), "c", 1, 11),
])
}
func testUnicode() throws {
XCTAssertEqual(try scanString("๐/*a*/"), [Loc("a", 1, utf8Column: 10, utf16Column: 8)])
XCTAssertEqual(try scanString("๐/*<a*/"), [Loc("a", 1, utf8Column: 5, utf16Column: 3)])
XCTAssertEqual(try scanString("ฤ/*a*/"), [Loc("a", 1, utf8Column: 8, utf16Column: 7)])
XCTAssertEqual(try scanString("ฤ/*<a*/"), [Loc("a", 1, utf8Column: 3, utf16Column: 2)])
XCTAssertEqual(try scanString("๐ฉโ๐ฉโ๐งโ๐ง/*a*/"), [Loc("a", 1, utf8Column: 31, utf16Column: 17)])
XCTAssertEqual(try scanString("๐ฉโ๐ฉโ๐งโ๐ง/*<a*/"), [Loc("a", 1, utf8Column: 26, utf16Column: 12)])
}
}
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