public ScanResultFingerprintUnitTests()
{
#if FIND_SPECIAL_VALUES
Dictionary <int, string> memory = new Dictionary <int, string>();
while (true)
{
string value = Guid.NewGuid().ToString();
FingerprintContribution fc = new FingerprintContribution("Name", value);
int hash = fc.GetHashCode();
if (memory.TryGetValue(hash, out string oldValue))
{
if (oldValue == value)
{
continue;
}
_specialNameValue1 = oldValue;
_specialNameValue2 = value;
memory.Clear();
return;
}
memory.Add(hash, value);
}
#else
_specialNameValue1 = "96303c8f-5ff4-423b-a74d-bab12f37efb2";
_specialNameValue2 = "f6c89020-5898-460d-974c-6227d48ed5e2";
#endif
}
public void GetHashCode_TwoObjectsSameKeySameValue_SameHashReturned()
{
FingerprintContribution contribution1 = new FingerprintContribution("MyKey", "MyValue");
FingerprintContribution contribution2 = new FingerprintContribution("MyKey", "MyValue");
Assert.AreEqual(contribution1.GetHashCode(), contribution2.GetHashCode());
}
public void GetHashCode_TwoObjectsDifferentKeySameValue_DifferentHashesReturned()
{
FingerprintContribution contribution1 = new FingerprintContribution("abc", "MyValue");
FingerprintContribution contribution2 = new FingerprintContribution("xyz", "MyValue");
Assert.AreNotEqual(contribution1.GetHashCode(), contribution2.GetHashCode());
}
public void Equals_OtherHasSameContributionCountAndHashButDifferentContent_ReturnsFalse()
{
using (ShimsContext.Create())
{
FingerprintContribution fc1 = new FingerprintContribution("Name", _specialNameValue1);
FingerprintContribution fc2 = new FingerprintContribution("Name", _specialNameValue2);
Assert.AreEqual(fc1.GetHashCode(), fc2.GetHashCode());
A11yElement element1 = new ShimA11yElement {
NameGet = () => _specialNameValue1
};
A11yElement element2 = new ShimA11yElement {
NameGet = () => _specialNameValue2
};
IFingerprint fingerprint1 = new ScanResultFingerprint(element1, DefaultRule, DefaultScanStatus);
IFingerprint fingerprint2 = new ScanResultFingerprint(element2, DefaultRule, DefaultScanStatus);
Assert.AreEqual(fingerprint1.GetHashCode(), fingerprint2.GetHashCode());
// Ensure that these differ only in specific content
Assert.AreEqual(0, fingerprint1.CompareTo(fingerprint2));
Assert.AreEqual(0, fingerprint2.CompareTo(fingerprint1));
Assert.IsFalse(fingerprint1.Equals(fingerprint2));
Assert.IsFalse(fingerprint2.Equals(fingerprint1));
}
}