public void DifferentValuesAreUnequal()
{
var a = new SampleValueObject {
ShortValue = 2000, StringValue = "A", Value = -1
};
// ReSharper disable once SuspiciousTypeConversion.Global
PAssert.That(() => !a.Equals("test"));
}
public void CanCompareWithNull()
{
var a = new SampleValueObject {
ShortValue = 2000, StringValue = "A", Value = -1
};
SampleValueObject b = null;
PAssert.That(() =>
b == null && null == b && a != b
);
}
public void IdenticalValuesAreEqual()
{
var a = new SampleValueObject {
ShortValue = 2000, StringValue = "A", Value = -1
};
var b = new SampleValueObject {
ShortValue = 2000, StringValue = "A", Value = -1
};
PAssert.That(() =>
a.Equals(b) &&
a == b &&
a.GetHashCode() == b.GetHashCode() &&
!ReferenceEquals(a, b)
);
}
public void DifferentValuesAreUnequal()
{
var a = new SampleValueObject {
ShortValue = 2000, StringValue = "A", Value = -1
};
var b = new SampleValueObject {
ShortValue = 2000, StringValue = "a", Value = -1
};
PAssert.That(() =>
!a.Equals(b) &&
a != b &&
a.GetHashCode() != b.GetHashCode() &&
!ReferenceEquals(a, b)
);
}
public void NullIsNotEqual()
{
var a = new SampleValueObject {
ShortValue = 2000, StringValue = "A", Value = -1
};
var typedNull = default(SampleValueObject);
var untypedNull = default(object);
// ReSharper disable once NegativeEqualityExpression
PAssert.That(() =>
!a.Equals(typedNull) &&
!a.Equals(untypedNull) &&
a != typedNull &&
!(a == typedNull) &&
typedNull != a
// ReSharper disable once EqualExpressionComparison
&& !(a != a)
);
}