Moved all unit test files into a separate directory in preparation for splitting the project
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#region Apache License 2.0
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/*
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Nuclex .NET Framework
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Copyright (C) 2002-2024 Markus Ewald / Nuclex Development Labs
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#endregion // Apache License 2.0
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using System;
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using System.Collections;
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#if UNITTEST
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using NUnit.Framework;
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namespace Nuclex.Support.Licensing {
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/// <summary>Unit test for the license key class</summary>
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[TestFixture]
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internal class LicenseKeyTest {
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/// <summary>Tests the default constructor of the license key class</summary>
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[Test]
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public void DefaultConstructorCanBeUsed() {
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Assert.IsNotNull(new LicenseKey()); // Nonsense, prevents compiler warning
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}
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/// <summary>Validates the correct translation of keys to GUIDs and back</summary>
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[Test]
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public void LicenseKeysCanBeConvertedToGuidsAndBack() {
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for(int i = 0; i < 128; ++i) {
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// Create a new BitArray with the n.th bit set
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BitArray guidBits = new BitArray(128);
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guidBits[i] = true;
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// Create a GUID from this Bitarray
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byte[] guidBytes = new byte[16];
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guidBits.CopyTo(guidBytes, 0);
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Guid originalGuid = new Guid(guidBytes);
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// Convert the GUID into a license key and back to a GUID
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string licenseKey = new LicenseKey(originalGuid).ToString();
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Guid rebuiltGuid = LicenseKey.Parse(licenseKey).ToGuid();
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// Verify that the original GUID matches the fore-and-back converted one
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Assert.AreEqual(originalGuid, rebuiltGuid, "Test for GUID bit " + i);
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}
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}
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/// <summary>Tests whether license keys can be modified without destroying them</summary>
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[Test]
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public void LicenseKeysCanBeModified() {
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for(int i = 0; i < 4; ++i) {
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for(int j = 0; j < 8; ++j) {
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LicenseKey testKey = new LicenseKey(
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new Guid(-1, -1, -1, 255, 255, 255, 255, 255, 255, 255, 255)
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);
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string originalString = testKey.ToString();
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testKey[i] &= ~(1 << j);
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string modifiedString = testKey.ToString();
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Assert.IsTrue(
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originalString != modifiedString, "Modified string differs from original"
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);
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testKey[i] |= (1 << j);
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string revertedString = testKey.ToString();
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Assert.AreEqual(
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originalString, revertedString, "Original state restorable"
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);
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} // for j
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} // for i
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}
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/// <summary>Tests whether license keys can be modified without destroying them</summary>
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[Test]
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public void ParsingInvalidLicenseKeyThrowsArgumentException() {
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Assert.Throws<ArgumentException>(
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delegate() { LicenseKey.Parse("hello world"); }
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);
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}
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/// <summary>
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/// Tests whether an exception is thrown if the indexer of a license key is used
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/// with an invalid index to retrieve a component of the key
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/// </summary>
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[Test]
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public void ReadingInvalidIndexThrowsIndexOutOfRangeException() {
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LicenseKey key = new LicenseKey();
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Assert.Throws<IndexOutOfRangeException>(
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delegate() { Console.WriteLine(key[-1]); }
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);
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}
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/// <summary>
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/// Tests whether an exception is thrown if the indexer of a license key is used
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/// with an invalid index to set a component of the key
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/// </summary>
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[Test]
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public void WritingInvalidIndexThrowsIndexOutOfRangeException() {
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LicenseKey key = new LicenseKey();
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Assert.Throws<IndexOutOfRangeException>(
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delegate() { key[-1] = 0; }
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);
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}
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/// <summary>
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/// Verifies that a license key can be converted into a byte array
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/// </summary>
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[Test]
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public void LicenseKeyCanBeConvertedToByteArray() {
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Guid someGuid = Guid.NewGuid();
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LicenseKey someKey = new LicenseKey(someGuid);
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CollectionAssert.AreEqual(someGuid.ToByteArray(), someKey.ToByteArray());
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}
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}
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} // namespace Nuclex.Support.Licensing
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#endif // UNITTEST
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