Enforces that base is object when using base.Equals
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ID: csharp-best-practices/base-equals
Language: C#
Severity: Error
Category: Best Practices
Description
Using base.Equals can be dangerous when the base is not an object because the new base class can override Equals, leading to unexpected behavior. This rule prevents the use of base.Equals in a class where the base is not an object.
Non-Compliant Code Examples
class NonCompliant : Compliant
{
private int bar;
public override bool Equals(object other)
{
bool eq1;
eq1 = base.Equals(other);
var eq2 = base.Equals(other);
if (base.Equals(other))
{
return true;
}
return this.bar == ((NonCompliant)other).bar;
}
}
class Compliant
{
private int foo;
public override bool Equals(object other)
{
if (base.Equals(other))
{
return true;
}
return this.foo == ((Compliant)other).foo;
}
}
Compliant Code Examples
class Compliant
{
private int foo;
public override bool Equals(object other)
{
if (base.Equals(other))
{
return true;
}
return this.foo == ((Compliant)other).foo;
}
}
