public void NotAvailableShouldAlwaysProduceNotAvailableWhenCombined()
{
ConditionalGetFingerprint testFingerprint = new ConditionalGetFingerprint(testDate, testETag);
Assert.AreSame(ConditionalGetFingerprint.NOT_AVAILABLE, ConditionalGetFingerprint.NOT_AVAILABLE.Combine(testFingerprint));
Assert.AreSame(ConditionalGetFingerprint.NOT_AVAILABLE, testFingerprint.Combine(ConditionalGetFingerprint.NOT_AVAILABLE));
}
public void ShouldThrowExceptionIfFingerprintsAreCombinedWhichHaveDifferentETags()
{
ConditionalGetFingerprint testFingerprint = new ConditionalGetFingerprint(testDate, testETag);
ConditionalGetFingerprint fingerprintWithDifferentETag= new ConditionalGetFingerprint(testDate, testETag + "different");
Assert.That(delegate { testFingerprint.Combine(fingerprintWithDifferentETag); },
Throws.TypeOf<UncombinableFingerprintException>());
}
public void ShouldUseMostRecentDateWhenCombined()
{
DateTime olderDate = new DateTime(2006,12,1);
DateTime recentDate = new DateTime(2007,2,1);
ConditionalGetFingerprint olderFingerprint = new ConditionalGetFingerprint(olderDate, testETag);
ConditionalGetFingerprint newerFingerprint = new ConditionalGetFingerprint(recentDate, testETag);
ConditionalGetFingerprint expectedFingerprint = newerFingerprint;
Assert.AreEqual(expectedFingerprint, olderFingerprint.Combine(newerFingerprint));
}