public override bool Equals(object obj)
{
NotOverrideGHC o = (NotOverrideGHC)obj;
if (a == o.a && b == o.b)
{
return(true);
}
return(false);
}
public void EqualsAndHashCode()
{
OverrideGHC a1 = new OverrideGHC(1, true);
OverrideGHC a2 = new OverrideGHC(1, true);
NotOverrideGHC b1 = new NotOverrideGHC(1, true);
NotOverrideGHC b2 = new NotOverrideGHC(1, true);
//if objects == than their hash codes match
A.IsTrue(a1.Equals(a2));
A.AreEqual(a1.GetHashCode(), a2.GetHashCode());
//default implementation do not satisfies rule above
A.IsTrue(b1.Equals(b2));
A.AreNotEqual(b1.GetHashCode(), b2.GetHashCode());
}
public void NotOverrideGHCInCollection()
{
String va, vb;
var a = new NotOverrideGHC(1, true);
var b = new NotOverrideGHC(1, true);
var d = new Dictionary <NotOverrideGHC, String>();
d.Add(a, "a1 value");
d.TryGetValue(a, out va);
d.TryGetValue(b, out vb);
//without overrided hash code if objects are equal could not find them in hash table
//find only by instanse
A.AreEqual(a, b);
A.AreEqual("a1 value", va);
A.AreNotEqual("a1 value", vb);
}
