/
MutableDataScannerTests.swift
148 lines (131 loc) · 4.66 KB
/
MutableDataScannerTests.swift
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//
// MutableDataScannerTests.swift
// MutableDataScannerTests
//
// Created by Shinichiro Aska on 8/20/15.
// Copyright © 2015 Shinichiro Aska. All rights reserved.
//
import XCTest
import MutableDataScanner
class MutableDataScannerTests: XCTestCase {
override func setUp() {
super.setUp()
}
override func tearDown() {
super.tearDown()
}
func testInitDefault() {
let scanner = MutableDataScanner()
XCTAssertEqual(scanner.delimiter, nil)
}
func testInitWithDelimiterData() {
let scanner = MutableDataScanner(delimiter: "\t".dataValue)
XCTAssertEqual(scanner.delimiter?.stringValue, "\t")
}
func testInitWithDelimiterString() {
let scanner = MutableDataScanner(delimiter: "\t")
XCTAssertEqual(scanner.delimiter?.stringValue, "\t")
}
func testReadLength() {
let scanner = MutableDataScanner()
let data = "0123456789abcdefghijklmnopqrstuvwxyz".dataValue
scanner.append(data)
XCTAssertEqual(scanner.read(10)!.stringValue, "0123456789", "read length")
XCTAssertEqual(scanner.read(10)!.stringValue, "abcdefghij", "read length")
XCTAssertEqual(scanner.read(scanner.data.count)!.stringValue,
"klmnopqrstuvwxyz", "read length")
XCTAssertEqual(scanner.read(1), nil)
}
func testReadLengthOver() {
let scanner = MutableDataScanner()
let data = "012345".dataValue
scanner.append(data)
XCTAssertEqual(scanner.read(100)!.stringValue, "012345", "read length")
XCTAssertEqual(scanner.read(1), nil)
}
func testReadOffsetLength() {
let scanner = MutableDataScanner()
let data = "0123456789abcdefghijklmnopqrstuvwxyz".dataValue
scanner.append(data)
XCTAssertEqual(scanner.read(3, length: 7)!.stringValue, "3456789", "read length")
XCTAssertEqual(scanner.read(3, length: 7)!.stringValue, "defghij", "read length")
XCTAssertEqual(scanner.read(3, length: scanner.data.count)!.stringValue,
"nopqrstuvwxyz", "read length")
XCTAssertEqual(scanner.read(3, length: 1), nil)
}
func testNextLine() {
let scanner = MutableDataScanner()
let data = "1\n1\r\n1\r1".dataValue
var count = 0
scanner.append(data)
while let line = scanner.nextLine() {
XCTAssertEqual(line.stringValue, "1")
count += 1
}
XCTAssertEqual(count, 2, "data count")
XCTAssertEqual(scanner.data.count, 3, "buffer length")
}
func testNext() {
let scanner = MutableDataScanner(delimiter: "\r\n")
let data = "012345\nabcdefg\r\n".dataValue
var count = 0
scanner.append(data)
while let line = scanner.next() {
XCTAssertEqual(line.stringValue, "012345\nabcdefg")
count += 1
}
XCTAssertEqual(count, 1, "data count")
XCTAssertEqual(scanner.data.count, 0, "buffer length")
}
func testPerformanceAutoDelimiter() {
self.measure {
let scanner = MutableDataScanner()
let data = "12345\n12345\r\n12345\r12345\n12345\r\n12345".dataValue
for _ in 1...10000 {
scanner.append(data)
while let _ = scanner.nextLine() {
}
}
}
}
func testPerformanceSpecificDelimiter() {
self.measure {
let scanner = MutableDataScanner(delimiter: "\n")
let data = "12345\n12345\r\n12345\r12345\n12345\r\n12345".dataValue
for _ in 1...10000 {
scanner.append(data)
while let _ = scanner.next() {
}
}
}
}
func testPerformanceSplitReader() {
let data = "12345\n12345\r\n12345\r12345\n12345\r\n12345".dataValue
var buffer = Data()
self.measure {
for _ in 1...10000 {
buffer.append(data)
if let string = NSString(data: buffer, encoding: String.Encoding.utf8.rawValue) {
var array = string.components(separatedBy: "\n")
if let last = array.popLast()?.data(using: String.Encoding.utf8)! {
buffer = last
} else {
buffer = Data()
}
for _ in array {
}
}
}
}
}
}
private extension Data {
var stringValue: NSString {
return NSString(data: self, encoding: String.Encoding.utf8.rawValue)!
}
}
private extension String {
var dataValue: Data {
return self.data(using: String.Encoding.utf8)!
}
}