public void PaddedShouldNotEqualShort()
{
var v1 = new TypedValue(NHibernateUtil.Int32, ToLazyEnumerable(3, 2, 1, 0, 0, 0), true);
var v2 = new TypedValue(NHibernateUtil.Int32, ToLazyEnumerable(3, 2, 1, 0), true);
Warn.If(v1.GetHashCode(), Is.EqualTo(v2.GetHashCode()), "Equal hash codes");
Assert.That(v1, Is.Not.EqualTo(v2));
}
public void ShortShouldNotEqualLonger()
{
var v1 = new TypedValue(NHibernateUtil.Int32, ToLazyEnumerable(1, 2, 3), true);
var v2 = new TypedValue(NHibernateUtil.Int32, ToLazyEnumerable(1, 2, 3, 1, -1), true);
Warn.If(v1.GetHashCode(), Is.EqualTo(v2.GetHashCode()), "Equal hash codes");
Assert.That(v1, Is.Not.EqualTo(v2));
}
public void TestTypedValue()
{
var tv1 = new TypedValue("hello");
var tv2 = new TypedValue("hello");
var tv3 = new TypedValue("bye");
Assert.Equal(typeof(string), tv1.TypeDescriptor);
Assert.Equal("TypedValue: 'hello' of [System.String]", tv1.ToString());
Assert.Equal(tv1, tv2);
Assert.Equal(tv2, tv1);
Assert.NotEqual(tv1, tv3);
Assert.NotEqual(tv2, tv3);
Assert.NotEqual(tv3, tv1);
Assert.NotEqual(tv3, tv2);
Assert.Equal(tv1.GetHashCode(), tv2.GetHashCode());
Assert.NotEqual(tv1.GetHashCode(), tv3.GetHashCode());
Assert.NotEqual(tv2.GetHashCode(), tv3.GetHashCode());
}
// it's not directly suit for hashtable, because it's always calculating address
public override int GetHashCode()
{
if (_hashcode != -1)
{
return(_hashcode);
}
_hashcode = 0; // indicate it's changed. even the calculated hashcode below is 0
for (int i = 0; i < _ks.Length; i++)
{
// extract its primitive value to calculate hashcode
// decimal is handled differently to enable among different CLR types
_ks[i].SetDecimal();
if (_ks[i].IsDecimal)
{
for (int j = 0; j < _ks[i].Dim; j++)
{
_hashcode += _ks[i].Dvalue[j].GetHashCode();
}
}
// BUGBUG: will need to change below parts, using canonical presentation.
else
{
if (_ks[i].Value is Array arr)
{
XmlAtomicValue[]? atomicValues = arr as XmlAtomicValue[];
if (atomicValues != null)
{
for (int j = 0; j < atomicValues.Length; j++)
{
_hashcode += ((XmlAtomicValue)atomicValues.GetValue(j) !).TypedValue.GetHashCode();
}
}
else
{
for (int j = 0; j < ((Array)_ks[i].Value !).Length; j++)
{
_hashcode += ((Array)_ks[i].Value !).GetValue(j) !.GetHashCode();
}
}
}
else
{ //not a list
_hashcode += _ks[i].Value !.GetHashCode();
}
}
}
return(_hashcode);
}
public override int GetHashCode() => TypedValue.GetHashCode();