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//===----------------------------------------------------------------------===//
//
// This source file is part of the SwiftNIO open source project
//
// Copyright (c) 2020 Apple Inc. and the SwiftNIO project authors
// Licensed under Apache License v2.0
//
// See LICENSE.txt for license information
// See CONTRIBUTORS.txt for the list of SwiftNIO project authors
//
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//
import Foundation
import XCTest
import NIO
import NIOFoundationCompat
struct FakeContiguousBytes: ContiguousBytes {
func withUnsafeBytes<T>(_ block: (UnsafeRawBufferPointer) throws -> T) rethrows -> T {
let ptr = UnsafeMutableRawBufferPointer.allocate(byteCount: 8, alignment: 1)
ptr.initializeMemory(as: UInt8.self, repeating: 0xff)
defer {
ptr.deallocate()
}
return try block(UnsafeRawBufferPointer(ptr))
}
}
class ByteBufferDataProtocolTests: XCTestCase {
func testWritingData() {
let d = Data([1, 2, 3, 4])
var b = ByteBufferAllocator().buffer(capacity: 1024)
b.writeData(d)
XCTAssertEqual(b.readBytes(length: b.readableBytes), [1, 2, 3, 4])
}
func testWritingDispatchDataThoughDataProtocol() {
var dd = DispatchData.empty
var buffer = ByteBufferAllocator().buffer(capacity: 12)
buffer.writeBytes([1, 2, 3, 4])
dd.append(DispatchData(buffer: buffer))
dd.append(DispatchData(buffer: buffer))
buffer.clear()
buffer.writeData(dd)
XCTAssertEqual(buffer.readBytes(length: buffer.readableBytes), [1, 2, 3, 4, 1, 2, 3, 4])
}
func testSettingData() {
let d = Data([1, 2, 3, 4])
var b = ByteBufferAllocator().buffer(capacity: 1024)
b.writeInteger(UInt64.max)
b.setData(d, at: 2)
XCTAssertEqual(b.readBytes(length: b.readableBytes), [0xFF, 0xFF, 0x01, 0x02, 0x03, 0x04, 0xFF, 0xFF])
}
func testSettingDispatchDataThoughDataProtocol() {
var dd = DispatchData.empty
var buffer = ByteBufferAllocator().buffer(capacity: 12)
buffer.writeBytes([1, 2, 3, 4])
dd.append(DispatchData(buffer: buffer))
dd.append(DispatchData(buffer: buffer))
buffer.clear()
buffer.writeInteger(UInt64.max)
buffer.writeInteger(UInt64.max)
buffer.setData(dd, at: 4)
XCTAssertEqual(buffer.readBytes(length: buffer.readableBytes),
[0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0xFF, 0xFF, 0xFF, 0xFF])
}
func testWriteContiguousBytes() {
let fake = FakeContiguousBytes()
var b = ByteBufferAllocator().buffer(capacity: 1024)
b.writeContiguousBytes(fake)
XCTAssertEqual(b.readBytes(length: b.readableBytes), [0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff])
}
func testSetContiguousBytes() {
let fake = FakeContiguousBytes()
var b = ByteBufferAllocator().buffer(capacity: 1024)
b.writeInteger(UInt64.min)
b.writeInteger(UInt64.min)
b.setContiguousBytes(fake, at: 4)
XCTAssertEqual(b.readBytes(length: b.readableBytes),
[0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00])
}
}
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