76 lines
2.0 KiB
C#
76 lines
2.0 KiB
C#
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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.Licensing {
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/// <summary>Unit test for the license key class</summary>
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[TestFixture]
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public class LicenseKeyTest {
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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 TestGuidKeyConversion() {
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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 TestKeyModification() {
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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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}
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} // namespace Nuclex.Licensing
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#endif // UNITTEST
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