1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
/*
This source file is part of the Swift.org open source project
Copyright (c) 2021 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 Swift project authors
*/
import XCTest
@testable import Markdown
final class RawMarkupTests: XCTestCase {
func testHasSameStructureAs() {
do { // Identity match
let document = RawMarkup.document(parsedRange: nil, [])
XCTAssert(document.hasSameStructure(as: document))
}
do { // Empty match
XCTAssert(RawMarkup.document(parsedRange: nil, []).hasSameStructure(as: .document(parsedRange: nil, [])))
}
do { // Same child count, but different structure
let document1 = RawMarkup.document(parsedRange: nil, [.paragraph(parsedRange: nil, [])])
let document2 = RawMarkup.document(parsedRange: nil, [.thematicBreak(parsedRange: nil)])
XCTAssertFalse(document1.hasSameStructure(as: document2))
}
do { // Different child count
let document1 = RawMarkup.document(parsedRange: nil, [.paragraph(parsedRange: nil, [])])
let document2 = RawMarkup.document(parsedRange: nil, [.paragraph(parsedRange: nil, []), .thematicBreak(parsedRange: nil)])
XCTAssertFalse(document1.hasSameStructure(as: document2))
}
do { // Same child count, different structure, nested
let document1 = RawMarkup.document(parsedRange: nil, [
.paragraph(parsedRange: nil, [
.text(parsedRange: nil, string: "Hello")
]),
.paragraph(parsedRange: nil, [
.text(parsedRange: nil, string: "World")
]),
])
let document2 = RawMarkup.document(parsedRange: nil, [
.paragraph(parsedRange: nil, [
.text(parsedRange: nil, string: "Hello"),
]),
.paragraph(parsedRange: nil, [
.emphasis(parsedRange: nil, [
.text(parsedRange: nil, string: "World"),
]),
]),
])
XCTAssertFalse(document1.hasSameStructure(as: document2))
}
}
/// When an element changes a child, unchanged children should use the same `RawMarkup` as before.
func testSharing() {
let originalRoot = Document(
Paragraph(Text("ChangeMe")),
Paragraph(Text("Unchanged")))
let firstText = originalRoot.child(through: [
0, // Paragraph
0, // Text
]) as! Text
var newText = firstText
newText.string = "Changed"
let newRoot = newText.root
XCTAssertFalse(originalRoot.child(at: 0)!.raw.markup === newRoot.child(at: 0)!.raw.markup)
XCTAssertTrue(originalRoot.child(at: 1)!.raw.markup === newRoot.child(at: 1)!.raw.markup)
}
}
|
