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/*
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 LineBreakTests: XCTestCase {
/// Tests that creation doesn't crash.
func testLineBreak() {
_ = LineBreak()
}
/// Test that line breaks are parsed correctly.
/// (Lots of folks have trailing whitespace trimming on).
func testParseLineBreak() {
let source = "Paragraph. \nStill the same paragraph."
let document = Document(parsing: source)
let paragraph = document.child(at: 0) as! Paragraph
XCTAssertTrue(Array(paragraph.children)[1] is LineBreak)
}
/// Test that hard line breaks work with spaces (two or more).
func testSpaceHardLineBreak() {
let source = """
Paragraph.\(" ")
Still the same paragraph.
"""
let document = Document(parsing: source)
let paragraph = document.child(at: 0) as! Paragraph
XCTAssertTrue(Array(paragraph.children)[1] is LineBreak)
}
/// Test that hard line breaks work with a slash.
func testSlashHardLineBreak() {
let source = #"""
Paragraph.\
Still the same paragraph.
"""#
let document = Document(parsing: source)
let paragraph = document.child(at: 0) as! Paragraph
XCTAssertTrue(Array(paragraph.children)[1] is LineBreak)
}
/// Sanity test that a multiline text without hard breaks doesn't return line breaks.
func testLineBreakWithout() {
let source = """
Paragraph.
Same line text.
"""
let document = Document(parsing: source)
let paragraph = document.child(at: 0) as! Paragraph
XCTAssertFalse(Array(paragraph.children)[1] is LineBreak)
XCTAssertEqual(Array(paragraph.children)[1].withoutSoftBreaks?.childCount, nil)
}
}
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