94 lines
3.3 KiB
Swift
94 lines
3.3 KiB
Swift
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the SwiftNIO open source project
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//
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// Copyright (c) 2020-2021 Apple Inc. and the SwiftNIO project authors
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// Licensed under Apache License v2.0
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//
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// See LICENSE.txt for license information
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// See CONTRIBUTORS.txt for the list of SwiftNIO project authors
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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//===----------------------------------------------------------------------===//
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import Foundation
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import XCTest
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import NIOCore
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import NIOFoundationCompat
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struct FakeContiguousBytes: ContiguousBytes {
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func withUnsafeBytes<T>(_ block: (UnsafeRawBufferPointer) throws -> T) rethrows -> T {
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let ptr = UnsafeMutableRawBufferPointer.allocate(byteCount: 8, alignment: 1)
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ptr.initializeMemory(as: UInt8.self, repeating: 0xff)
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defer {
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ptr.deallocate()
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}
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return try block(UnsafeRawBufferPointer(ptr))
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}
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}
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class ByteBufferDataProtocolTests: XCTestCase {
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func testWritingData() {
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let d = Data([1, 2, 3, 4])
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var b = ByteBufferAllocator().buffer(capacity: 1024)
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b.writeData(d)
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XCTAssertEqual(b.readBytes(length: b.readableBytes), [1, 2, 3, 4])
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}
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func testWritingDispatchDataThoughDataProtocol() {
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var dd = DispatchData.empty
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var buffer = ByteBufferAllocator().buffer(capacity: 12)
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buffer.writeBytes([1, 2, 3, 4])
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dd.append(DispatchData(buffer: buffer))
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dd.append(DispatchData(buffer: buffer))
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buffer.clear()
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buffer.writeData(dd)
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XCTAssertEqual(buffer.readBytes(length: buffer.readableBytes), [1, 2, 3, 4, 1, 2, 3, 4])
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}
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func testSettingData() {
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let d = Data([1, 2, 3, 4])
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var b = ByteBufferAllocator().buffer(capacity: 1024)
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b.writeInteger(UInt64.max)
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b.setData(d, at: 2)
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XCTAssertEqual(b.readBytes(length: b.readableBytes), [0xFF, 0xFF, 0x01, 0x02, 0x03, 0x04, 0xFF, 0xFF])
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}
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func testSettingDispatchDataThoughDataProtocol() {
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var dd = DispatchData.empty
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var buffer = ByteBufferAllocator().buffer(capacity: 12)
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buffer.writeBytes([1, 2, 3, 4])
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dd.append(DispatchData(buffer: buffer))
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dd.append(DispatchData(buffer: buffer))
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buffer.clear()
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buffer.writeInteger(UInt64.max)
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buffer.writeInteger(UInt64.max)
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buffer.setData(dd, at: 4)
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XCTAssertEqual(buffer.readBytes(length: buffer.readableBytes),
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[0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0xFF, 0xFF, 0xFF, 0xFF])
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}
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func testWriteContiguousBytes() {
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let fake = FakeContiguousBytes()
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var b = ByteBufferAllocator().buffer(capacity: 1024)
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b.writeContiguousBytes(fake)
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XCTAssertEqual(b.readBytes(length: b.readableBytes), [0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff])
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}
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func testSetContiguousBytes() {
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let fake = FakeContiguousBytes()
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var b = ByteBufferAllocator().buffer(capacity: 1024)
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b.writeInteger(UInt64.min)
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b.writeInteger(UInt64.min)
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b.setContiguousBytes(fake, at: 4)
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XCTAssertEqual(b.readBytes(length: b.readableBytes),
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[0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00])
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}
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}
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