public void CacheKeys_should_be_equal()
{
DateTime date = DateTime.Now;
CacheKey key1 = new CacheKey(new Object[] { 1, "hello", null, new DateTime(date.Ticks) });
CacheKey key2 = new CacheKey(new Object[] { 1, "hello", null, new DateTime(date.Ticks) });
Assert.That(key1, Is.EqualTo(key2));
Assert.That(key2, Is.EqualTo(key1));
Assert.That(key2.GetHashCode(), Is.EqualTo(key1.GetHashCode()));
Assert.That(key1.GetHashCode(), Is.EqualTo(key2.GetHashCode()));
Assert.That(key1.ToString(), Is.EqualTo(key2.ToString()));
}
public void GetHashCode_WithIdenticalCacheKeys_ReturnsTheSameValue([Values(0, 1, 2)] int stateKey, [Values(0, 1, 2)] int location)
{
var subjectA = new CacheKey("OK", stateKey, location);
var subjectB = new CacheKey("OK", stateKey, location);
Assert.That(subjectA.GetHashCode(), Is.EqualTo(subjectB.GetHashCode()));
}
public void CacheKeys_should_not_be_equal_due_to_order()
{
CacheKey key1 = new CacheKey(new Object[] { 1, "hello", null });
CacheKey key2 = new CacheKey(new Object[] { 1, null, "hello" });
Assert.That(key1, Is.Not.EqualTo(key2));
Assert.That(key2, Is.Not.EqualTo(key1));
Assert.That(key1.GetHashCode(), Is.Not.EqualTo(key2.GetHashCode()));
Assert.That(key1.ToString(), Is.Not.EqualTo(key2.ToString()));
}
public void ZeroHash()
{
var cache = new CachingFactory <CacheKey, CacheValue>(512,
k => new CacheValue(k.Value + 1),
k => k.Value,
(k, v) => k.Value == v.Value);
var key = new CacheKey(0);
Assert.Equal(CacheKey.GetHashCode(key), 0);
CacheValue value;
bool found = cache.TryGetValue(key, out value);
Assert.False(found);
}
public override int GetHashCode()
{
int hash = 1;
if (ID.Length != 0)
{
hash ^= ID.GetHashCode();
}
if (Channel.Length != 0)
{
hash ^= Channel.GetHashCode();
}
if (Metadata.Length != 0)
{
hash ^= Metadata.GetHashCode();
}
if (Body.Length != 0)
{
hash ^= Body.GetHashCode();
}
if (ReplyChannel.Length != 0)
{
hash ^= ReplyChannel.GetHashCode();
}
if (Timeout != 0)
{
hash ^= Timeout.GetHashCode();
}
if (CacheKey.Length != 0)
{
hash ^= CacheKey.GetHashCode();
}
if (CacheTTL != 0)
{
hash ^= CacheTTL.GetHashCode();
}
if (Context.Length != 0)
{
hash ^= Context.GetHashCode();
}
if (_unknownFields != null)
{
hash ^= _unknownFields.GetHashCode();
}
return(hash);
}
public void CacheKeyWithTwoParamsSameHashcode()
{
CacheKey key1 = new CacheKey();
CacheKey key2 = new CacheKey();
key1.Update("HS1CS001");
key1.Update("HS1D4001");
key2.Update("HS1D4001");
key2.Update("HS1CS001");
#if dotnet2
Assert.Ignore("The .NET 2.0 CLR uses a different algorithm for string hashing than the .NET 1.1 CLR.");
#else
Assert.AreEqual(key1.GetHashCode(), key2.GetHashCode(), "Expect same hashcode.");
Assert.IsFalse(key1.Equals(key2), "Expect not equal");
#endif
}
public void CacheKeyWithSameHashcode()
{
CacheKey key1 = new CacheKey();
CacheKey key2 = new CacheKey();
key1.Update("HS1CS001");
key2.Update("HS1D4001");
/*
* The string hash algorithm is not an industry standard and is not guaranteed to produce the same behaviour between versions.
* And in fact it does not. The .NET 2.0 CLR uses a different algorithm for string hashing than the .NET 1.1 CLR.
*/
#if dotnet2
Assert.Ignore("The .NET 2.0 CLR uses a different algorithm for string hashing than the .NET 1.1 CLR.");
#else
Assert.AreEqual(key1.GetHashCode(), key2.GetHashCode(), "Expect same hashcode.");
Assert.IsFalse(key1.Equals(key2), "Expect not equal");
#endif
}
public override int GetHashCode()
{
return(cacheKey.GetHashCode());
}
public override int GetHashCode() => cacheKey.GetHashCode();
public bool Equals(CacheKey other)
{
return(other != null && GetHashCode().Equals(other.GetHashCode()));
}