Tusker/TuskerTests/AttributedStringHelperTests...

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//
// AttributedStringHelperTests.swift
// TuskerTests
//
// Created by Shadowfacts on 1/21/20.
// Copyright © 2020 Shadowfacts. All rights reserved.
//
import XCTest
@testable import Tusker
class AttributedStringHelperTests: XCTestCase {
override func setUp() {
}
override func tearDown() {
}
func testTrimLeading() {
let a = NSMutableAttributedString(string: " a ")
a.trimLeadingCharactersInSet(.whitespaces)
XCTAssertEqual(a, NSAttributedString(string: "a "))
let b = NSMutableAttributedString(string: " ")
b.trimLeadingCharactersInSet(.whitespaces)
XCTAssertEqual(b, NSAttributedString(string: ""))
let c = NSMutableAttributedString(string: "")
c.trimLeadingCharactersInSet(.whitespaces)
XCTAssertEqual(c, NSAttributedString(string: ""))
let d = NSMutableAttributedString(string: "abc")
d.trimLeadingCharactersInSet(.whitespaces)
XCTAssertEqual(d, NSAttributedString(string: "abc"))
}
func testTrimTrailing() {
let a = NSMutableAttributedString(string: " a ")
a.trimTrailingCharactersInSet(.whitespaces)
XCTAssertEqual(a, NSAttributedString(string: " a"))
let b = NSMutableAttributedString(string: " ")
b.trimTrailingCharactersInSet(.whitespaces)
XCTAssertEqual(b, NSAttributedString(string: ""))
let c = NSMutableAttributedString(string: "")
c.trimTrailingCharactersInSet(.whitespaces)
XCTAssertEqual(c, NSAttributedString(string: ""))
let d = NSMutableAttributedString(string: "abc")
d.trimTrailingCharactersInSet(.whitespaces)
XCTAssertEqual(d, NSAttributedString(string: "abc"))
}
func testCollapsingWhitespace() {
var str = NSAttributedString(string: "test 1\n")
XCTAssertEqual(str.collapsingWhitespace(), NSAttributedString(string: "test 1\n"))
str = NSAttributedString(string: "test 2 \n")
XCTAssertEqual(str.collapsingWhitespace(), NSAttributedString(string: "test 2\n"))
str = NSAttributedString(string: "test 3\n ")
XCTAssertEqual(str.collapsingWhitespace(), NSAttributedString(string: "test 3\n"))
str = NSAttributedString(string: "test 4 \n ")
XCTAssertEqual(str.collapsingWhitespace(), NSAttributedString(string: "test 4\n"))
str = NSAttributedString(string: "test 5 \n blah")
XCTAssertEqual(str.collapsingWhitespace(), NSAttributedString(string: "test 5\nblah"))
str = NSAttributedString(string: "\ntest 6")
XCTAssertEqual(str.collapsingWhitespace(), NSAttributedString(string: "\ntest 6"))
str = NSAttributedString(string: " \ntest 7")
XCTAssertEqual(str.collapsingWhitespace(), NSAttributedString(string: "\ntest 7"))
str = NSAttributedString(string: " \n test 8")
XCTAssertEqual(str.collapsingWhitespace(), NSAttributedString(string: "\ntest 8"))
}
}