103 lines
4.2 KiB
Swift
103 lines
4.2 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) 2017-2018 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 XCTest
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@testable import NIOCore
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public final class IntegerTypesTest: XCTestCase {
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func testNextPowerOfOfTwoZero() {
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XCTAssertEqual(1, (0 as UInt).nextPowerOf2())
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XCTAssertEqual(1, (0 as UInt16).nextPowerOf2())
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XCTAssertEqual(1, (0 as UInt32).nextPowerOf2())
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XCTAssertEqual(1, (0 as UInt64).nextPowerOf2())
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XCTAssertEqual(1, (0 as Int).nextPowerOf2())
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XCTAssertEqual(1, (0 as Int16).nextPowerOf2())
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XCTAssertEqual(1, (0 as Int32).nextPowerOf2())
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XCTAssertEqual(1, (0 as Int64).nextPowerOf2())
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}
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func testNextPowerOfTwoOfOne() {
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XCTAssertEqual(1, (1 as UInt).nextPowerOf2())
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XCTAssertEqual(1, (1 as UInt16).nextPowerOf2())
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XCTAssertEqual(1, (1 as UInt32).nextPowerOf2())
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XCTAssertEqual(1, (1 as UInt64).nextPowerOf2())
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XCTAssertEqual(1, (1 as Int).nextPowerOf2())
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XCTAssertEqual(1, (1 as Int16).nextPowerOf2())
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XCTAssertEqual(1, (1 as Int32).nextPowerOf2())
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XCTAssertEqual(1, (1 as Int64).nextPowerOf2())
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}
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func testNextPowerOfTwoOfTwo() {
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XCTAssertEqual(2, (2 as UInt).nextPowerOf2())
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XCTAssertEqual(2, (2 as UInt16).nextPowerOf2())
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XCTAssertEqual(2, (2 as UInt32).nextPowerOf2())
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XCTAssertEqual(2, (2 as UInt64).nextPowerOf2())
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XCTAssertEqual(2, (2 as Int).nextPowerOf2())
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XCTAssertEqual(2, (2 as Int16).nextPowerOf2())
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XCTAssertEqual(2, (2 as Int32).nextPowerOf2())
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XCTAssertEqual(2, (2 as Int64).nextPowerOf2())
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}
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func testNextPowerOfTwoOfThree() {
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XCTAssertEqual(4, (3 as UInt).nextPowerOf2())
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XCTAssertEqual(4, (3 as UInt16).nextPowerOf2())
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XCTAssertEqual(4, (3 as UInt32).nextPowerOf2())
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XCTAssertEqual(4, (3 as UInt64).nextPowerOf2())
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XCTAssertEqual(4, (3 as Int).nextPowerOf2())
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XCTAssertEqual(4, (3 as Int16).nextPowerOf2())
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XCTAssertEqual(4, (3 as Int32).nextPowerOf2())
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XCTAssertEqual(4, (3 as Int64).nextPowerOf2())
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}
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func testNextPowerOfTwoOfFour() {
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XCTAssertEqual(4, (4 as UInt).nextPowerOf2())
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XCTAssertEqual(4, (4 as UInt16).nextPowerOf2())
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XCTAssertEqual(4, (4 as UInt32).nextPowerOf2())
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XCTAssertEqual(4, (4 as UInt64).nextPowerOf2())
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XCTAssertEqual(4, (4 as Int).nextPowerOf2())
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XCTAssertEqual(4, (4 as Int16).nextPowerOf2())
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XCTAssertEqual(4, (4 as Int32).nextPowerOf2())
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XCTAssertEqual(4, (4 as Int64).nextPowerOf2())
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}
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func testNextPowerOfTwoOfFive() {
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XCTAssertEqual(8, (5 as UInt).nextPowerOf2())
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XCTAssertEqual(8, (5 as UInt16).nextPowerOf2())
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XCTAssertEqual(8, (5 as UInt32).nextPowerOf2())
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XCTAssertEqual(8, (5 as UInt64).nextPowerOf2())
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XCTAssertEqual(8, (5 as Int).nextPowerOf2())
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XCTAssertEqual(8, (5 as Int16).nextPowerOf2())
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XCTAssertEqual(8, (5 as Int32).nextPowerOf2())
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XCTAssertEqual(8, (5 as Int64).nextPowerOf2())
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}
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func testDescriptionUInt24() {
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XCTAssertEqual("0", _UInt24.min.description)
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XCTAssertEqual("16777215", _UInt24.max.description)
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XCTAssertEqual("12345678", _UInt24(12345678 as UInt32).description)
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XCTAssertEqual("1", _UInt24(1).description)
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XCTAssertEqual("8388608", _UInt24(1 << 23).description)
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XCTAssertEqual("66", _UInt24(66).description)
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}
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func testDescriptionUInt56() {
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XCTAssertEqual("0", _UInt56.min.description)
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XCTAssertEqual("72057594037927935", _UInt56.max.description)
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XCTAssertEqual("12345678901234567", _UInt56(12345678901234567 as UInt64).description)
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XCTAssertEqual("1", _UInt56(1).description)
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XCTAssertEqual("66", _UInt56(66).description)
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XCTAssertEqual("36028797018963968", _UInt56(UInt64(1) << 55).description)
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}
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}
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