private void TestShardKeyGeneric <TKey>(ShardKeyType keyType, TKey inputValue, Type realType)
{
// Excercise DetectType
//
ShardKey k1 = new ShardKey(inputValue);
Assert.AreEqual(realType, k1.DataType);
// Go to/from raw value
ShardKey k2 = new ShardKey(keyType, inputValue);
byte[] k2raw = k2.RawValue;
ShardKey k3 = ShardKey.FromRawValue(keyType, k2raw);
Assert.AreEqual(inputValue, k2.Value);
Assert.AreEqual(inputValue, k3.Value);
Assert.AreEqual(k2, k3);
// verify comparisons
Assert.AreEqual(0, k2.CompareTo(k3));
try
{
k3 = k2.GetNextKey();
Assert.IsTrue(k3 > k2);
}
catch (InvalidOperationException)
{
}
}
private void Verify(ShardKeyType kind)
{
byte[] bytes = null;
ShardKey key = null;
ShardKey result = null;
switch (kind)
{
case ShardKeyType.Int32:
bytes = new byte[sizeof(int)];
rValGen.NextBytes(bytes);
Int32 int32 = BitConverter.ToInt32(bytes, 0);
key = new ShardKey(int32);
result = key.GetNextKey();
Debug.Assert(result.IsMax || result == new ShardKey(int32 + 1));
break;
case ShardKeyType.Int64:
bytes = new byte[sizeof(long)];
rValGen.NextBytes(bytes);
Int64 int64 = BitConverter.ToInt64(bytes, 0);
key = new ShardKey(int64);
result = key.GetNextKey();
Debug.Assert(result.IsMax || result == new ShardKey(int64 + 1));
break;
case ShardKeyType.Guid:
Guid guid = Guid.NewGuid();
key = new ShardKey(guid);
result = key.GetNextKey();
// verify only the API call
break;
case ShardKeyType.Binary:
bytes = new byte[128];
rValGen.NextBytes(bytes);
key = new ShardKey(bytes);
result = key.GetNextKey();
// verify only the API call
break;
default:
throw new ArgumentOutOfRangeException(
"kind",
kind,
Errors._ShardKey_UnsupportedShardKeyType);
}
}
public void ShardKeyTests()
{
ShardKey key = null;
ShardKey result = null;
byte[] array = null;
byte[] arraymax = null;
// Verify boundary conditions
result = maxNonNullKey32.GetNextKey();
Debug.Assert(result.IsMax);
Debug.Assert(result == ShardKey.MaxInt32);
result = maxNonNullKey64.GetNextKey();
Debug.Assert(result.IsMax);
Debug.Assert(result == ShardKey.MaxInt64);
array = Enumerable.Repeat((byte)0xff, 16).ToArray();
key = ShardKey.FromRawValue(ShardKeyType.Guid, array); // can not use other ctor because normalized representation differ
result = key.GetNextKey();
Debug.Assert(result.IsMax);
Debug.Assert(result == ShardKey.MaxGuid);
array = Enumerable.Repeat((byte)0xff, 128).ToArray();
key = new ShardKey(array);
result = key.GetNextKey();
Debug.Assert(result.IsMax);
Debug.Assert(result == ShardKey.MaxBinary);
key = new ShardKey(max32 - 1);
result = key.GetNextKey();
Debug.Assert(result == maxNonNullKey32);
key = new ShardKey(max64 - 1);
result = key.GetNextKey();
Debug.Assert(result == maxNonNullKey64);
arraymax = Enumerable.Repeat((byte)0xff, 16).ToArray();
array = Enumerable.Repeat((byte)0xff, 16).ToArray();
array[15] = 0xfe;
key = ShardKey.FromRawValue(ShardKeyType.Guid, array); // can not use other ctor because normalized representation differ
result = key.GetNextKey();
Debug.Assert(result == ShardKey.FromRawValue(ShardKeyType.Guid, arraymax));
arraymax = Enumerable.Repeat((byte)0xff, 128).ToArray();
array = Enumerable.Repeat((byte)0xff, 128).ToArray();
array[127] = 0xfe;
key = new ShardKey(array);
result = key.GetNextKey();
Debug.Assert(result == ShardKey.FromRawValue(ShardKeyType.Binary, arraymax));
key = new ShardKey(ShardKeyType.Int32, null);
AssertExtensions.AssertThrows <InvalidOperationException>(() => key.GetNextKey());
key = new ShardKey(ShardKeyType.Int64, null);
AssertExtensions.AssertThrows <InvalidOperationException>(() => key.GetNextKey());
key = new ShardKey(ShardKeyType.Guid, null);
AssertExtensions.AssertThrows <InvalidOperationException>(() => key.GetNextKey());
key = new ShardKey(ShardKeyType.Binary, null);
AssertExtensions.AssertThrows <InvalidOperationException>(() => key.GetNextKey());
result = ShardKey.MinInt32.GetNextKey();
Debug.Assert(result == new ShardKey(Int32.MinValue + 1));
result = ShardKey.MinInt64.GetNextKey();
Debug.Assert(result == new ShardKey(Int64.MinValue + 1));
result = ShardKey.MinGuid.GetNextKey();
array = new byte[16];
array[15] = 0x01;
key = ShardKey.FromRawValue(ShardKeyType.Guid, array);
Debug.Assert(result == key);
result = ShardKey.MinBinary.GetNextKey();
array = new byte[128];
array[127] = 0x01;
key = ShardKey.FromRawValue(ShardKeyType.Binary, array);
Debug.Assert(result == key);
for (int i = 0; i < 10; i++)
{
Verify(ShardKeyType.Int32);
Verify(ShardKeyType.Int64);
Verify(ShardKeyType.Guid);
Verify(ShardKeyType.Binary);
}
}
public void ShardKeyTests()
{
ShardKey key = null;
ShardKey result = null;
byte[] array = null;
byte[] arraymax = null;
// Verify boundary conditions
result = maxNonNullKey32.GetNextKey();
Debug.Assert(result.IsMax);
Debug.Assert(result == ShardKey.MaxInt32);
result = maxNonNullKey64.GetNextKey();
Debug.Assert(result.IsMax);
Debug.Assert(result == ShardKey.MaxInt64);
array = Enumerable.Repeat((byte)0xff, 16).ToArray();
key = ShardKey.FromRawValue(ShardKeyType.Guid, array); // can not use other ctor because normalized representation differ
result = key.GetNextKey();
Debug.Assert(result.IsMax);
Debug.Assert(result == ShardKey.MaxGuid);
array = Enumerable.Repeat((byte)0xff, 128).ToArray();
key = new ShardKey(array);
result = key.GetNextKey();
Debug.Assert(result.IsMax);
Debug.Assert(result == ShardKey.MaxBinary);
key = new ShardKey(max32 - 1);
result = key.GetNextKey();
Debug.Assert(result == maxNonNullKey32);
key = new ShardKey(max64 - 1);
result = key.GetNextKey();
Debug.Assert(result == maxNonNullKey64);
arraymax = Enumerable.Repeat((byte)0xff, 16).ToArray();
array = Enumerable.Repeat((byte)0xff, 16).ToArray();
array[15] = 0xfe;
key = ShardKey.FromRawValue(ShardKeyType.Guid, array); // can not use other ctor because normalized representation differ
result = key.GetNextKey();
Debug.Assert(result == ShardKey.FromRawValue(ShardKeyType.Guid, arraymax));
arraymax = Enumerable.Repeat((byte)0xff, 128).ToArray();
array = Enumerable.Repeat((byte)0xff, 128).ToArray();
array[127] = 0xfe;
key = new ShardKey(array);
result = key.GetNextKey();
Debug.Assert(result == ShardKey.FromRawValue(ShardKeyType.Binary, arraymax));
key = new ShardKey(ShardKeyType.Int32, null);
AssertExtensions.AssertThrows<InvalidOperationException>(() => key.GetNextKey());
key = new ShardKey(ShardKeyType.Int64, null);
AssertExtensions.AssertThrows<InvalidOperationException>(() => key.GetNextKey());
key = new ShardKey(ShardKeyType.Guid, null);
AssertExtensions.AssertThrows<InvalidOperationException>(() => key.GetNextKey());
key = new ShardKey(ShardKeyType.Binary, null);
AssertExtensions.AssertThrows<InvalidOperationException>(() => key.GetNextKey());
result = ShardKey.MinInt32.GetNextKey();
Debug.Assert(result == new ShardKey(Int32.MinValue + 1));
result = ShardKey.MinInt64.GetNextKey();
Debug.Assert(result == new ShardKey(Int64.MinValue + 1));
result = ShardKey.MinGuid.GetNextKey();
array = new byte[16];
array[15] = 0x01;
key = ShardKey.FromRawValue(ShardKeyType.Guid, array);
Debug.Assert(result == key);
result = ShardKey.MinBinary.GetNextKey();
array = new byte[128];
array[127] = 0x01;
key = ShardKey.FromRawValue(ShardKeyType.Binary, array);
Debug.Assert(result == key);
for (int i = 0; i < 10; i++)
{
Verify(ShardKeyType.Int32);
Verify(ShardKeyType.Int64);
Verify(ShardKeyType.Guid);
Verify(ShardKeyType.Binary);
}
}
private void Verify(ShardKeyType kind)
{
byte[] bytes = null;
ShardKey key = null;
ShardKey result = null;
switch (kind)
{
case ShardKeyType.Int32:
bytes = new byte[sizeof(int)];
rValGen.NextBytes(bytes);
Int32 int32 = BitConverter.ToInt32(bytes, 0);
key = new ShardKey(int32);
result = key.GetNextKey();
Debug.Assert(result.IsMax || result == new ShardKey(int32 + 1));
break;
case ShardKeyType.Int64:
bytes = new byte[sizeof(long)];
rValGen.NextBytes(bytes);
Int64 int64 = BitConverter.ToInt64(bytes, 0);
key = new ShardKey(int64);
result = key.GetNextKey();
Debug.Assert(result.IsMax || result == new ShardKey(int64 + 1));
break;
case ShardKeyType.Guid:
Guid guid = Guid.NewGuid();
key = new ShardKey(guid);
result = key.GetNextKey();
// verify only the API call
break;
case ShardKeyType.Binary:
bytes = new byte[128];
rValGen.NextBytes(bytes);
key = new ShardKey(bytes);
result = key.GetNextKey();
// verify only the API call
break;
default:
throw new ArgumentOutOfRangeException(
"kind",
kind,
Errors._ShardKey_UnsupportedShardKeyType);
}
}