Ada Freya
4d199a0bd2
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58 lines
1.9 KiB
Swift
58 lines
1.9 KiB
Swift
// SPDX-FileCopyrightText: 2024-2026 Neptuwunium <ada@chronovore.dev>
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// SPDX-License-Identifier: EUPL-1.2
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import Foundation
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import Testing
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@testable import Myna
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struct ZeroPaddingTests {
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@Test func pad() async throws {
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let data = Data([0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff])
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let padding = ZeroPadding()
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let padded = try padding.pad(data: data, into: 16)
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let expected = Data([0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00])
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#expect(padded.elementsEqual(expected))
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}
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@Test func unpad() async throws {
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let data = Data([0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00])
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let padding = ZeroPadding()
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let unpadded = try padding.unpad(data: data)
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let expected = Data([0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff])
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#expect(unpadded.elementsEqual(expected))
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}
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@Test func padEmpty() async throws {
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let data = Data()
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let padding = ZeroPadding()
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let padded = try padding.pad(data: data, into: 16)
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let expected = Data([0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00])
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#expect(padded.elementsEqual(expected))
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}
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@Test func unpadEmpty() async throws {
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let data = Data([0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00])
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let padding = ZeroPadding()
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let unpadded = try padding.unpad(data: data)
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let expected = Data()
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#expect(unpadded.elementsEqual(expected))
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}
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@Test func padFail() async throws {
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let data = Data([0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff])
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let padding = ZeroPadding()
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#expect(throws: MynaError.invalidInputLength) {
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try padding.pad(data: data, into: 8)
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}
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}
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@Test func unpadFail() async throws {
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let data = Data([0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff])
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let padding = ZeroPadding()
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#expect(throws: MynaError.unexpectedPadding) {
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try padding.unpad(data: data)
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}
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}
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}
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