using System; using System.Collections; #if UNITTEST using NUnit.Framework; namespace Nuclex.Licensing { /// Unit test for the license key class [TestFixture] public class LicenseKeyTest { /// Validates the correct translation of keys to GUIDs and back [Test] public void TestGuidKeyConversion() { for(int i = 0; i < 128; ++i) { // Create a new BitArray with the n.th bit set BitArray guidBits = new BitArray(128); guidBits[i] = true; // Create a GUID from this Bitarray byte[] guidBytes = new byte[16]; guidBits.CopyTo(guidBytes, 0); Guid originalGuid = new Guid(guidBytes); // Convert the GUID into a license key and back to a GUID string licenseKey = new LicenseKey(originalGuid).ToString(); Guid rebuiltGuid = LicenseKey.Parse(licenseKey).ToGuid(); // Verify that the original GUID matches the fore-and-back converted one Assert.AreEqual(originalGuid, rebuiltGuid, "Test for GUID bit " + i); } } /// Tests whether license keys can be modified without destroying them [Test] public void TestKeyModification() { for(int i = 0; i < 4; ++i) { for(int j = 0; j < 8; ++j) { LicenseKey testKey = new LicenseKey( new Guid(-1, -1, -1, 255, 255, 255, 255, 255, 255, 255, 255) ); string originalString = testKey.ToString(); testKey[i] &= ~(1 << j); string modifiedString = testKey.ToString(); Assert.IsTrue( originalString != modifiedString, "Modified string differs from original" ); testKey[i] |= (1 << j); string revertedString = testKey.ToString(); Assert.AreEqual( originalString, revertedString, "Original state restorable" ); } // for j } // for i } } } // namespace Nuclex.Licensing #endif // UNITTEST