public void Computes_hashcode_simple_objects()
{
var x = new C {
a = 42, b = "123"
};
var y = new C {
a = 32, b = "123"
};
var comparer = new HarshRecursiveEqualityComparer();
comparer.AddProperty <C>(c => c.b);
Assert.Equal(
comparer.GetHashCode(x),
comparer.GetHashCode(y)
);
comparer.AddProperty <C>(c => c.a);
Assert.NotEqual(
comparer.GetHashCode(x),
comparer.GetHashCode(y)
);
}
public void Compares_collections()
{
var x = new[]
{
new C {
a = 42, b = "123"
},
new C {
a = 142, b = "123"
},
};
var y = new[]
{
new C {
a = 42, b = "12344"
},
new C {
a = 142, b = "12344"
},
};
var comparer = new HarshRecursiveEqualityComparer();
comparer.AddProperty <C>(c => c.a);
Assert.True(comparer.Equals(x, y));
comparer.AddProperty <C>(c => c.b);
Assert.False(comparer.Equals(x, y));
}
public void Compares_simple_objects()
{
var x = new C {
a = 42, b = "123"
};
var y = new C {
a = 32, b = "123"
};
var comparer = new HarshRecursiveEqualityComparer();
comparer.AddProperty <C>(c => c.b);
Assert.True(comparer.Equals(x, y));
comparer.AddProperty <C>(c => c.a);
Assert.False(comparer.Equals(x, y));
}
private static HarshRecursiveEqualityComparer BuildComparer()
{
var comparer = new HarshRecursiveEqualityComparer();
comparer.AddProperty <Expression>(e => e.CanReduce);
comparer.AddProperty <Expression>(e => e.NodeType);
comparer.AddProperty <Expression>(e => e.Type);
comparer.AddProperty <BinaryExpression>(be => be.Conversion);
comparer.AddProperty <BinaryExpression>(be => be.IsLifted);
comparer.AddProperty <BinaryExpression>(be => be.IsLiftedToNull);
comparer.AddProperty <BinaryExpression>(be => be.Left);
comparer.AddProperty <BinaryExpression>(be => be.Method);
comparer.AddProperty <BinaryExpression>(be => be.Right);
comparer.AddProperty <BlockExpression>(be => be.Expressions);
comparer.AddProperty <BlockExpression>(be => be.Result);
comparer.AddProperty <BlockExpression>(be => be.Variables);
comparer.AddProperty <ConditionalExpression>(ce => ce.IfFalse);
comparer.AddProperty <ConditionalExpression>(ce => ce.IfTrue);
comparer.AddProperty <ConditionalExpression>(ce => ce.Test);
comparer.AddProperty <ConstantExpression>(ce => ce.Value);
comparer.AddProperty <DebugInfoExpression>(die => die.Document);
comparer.AddProperty <DebugInfoExpression>(die => die.EndColumn);
comparer.AddProperty <DebugInfoExpression>(die => die.EndLine);
comparer.AddProperty <DebugInfoExpression>(die => die.StartColumn);
comparer.AddProperty <DebugInfoExpression>(die => die.StartLine);
comparer.AddProperty <SymbolDocumentInfo>(sdi => sdi.DocumentType);
comparer.AddProperty <SymbolDocumentInfo>(sdi => sdi.FileName);
comparer.AddProperty <SymbolDocumentInfo>(sdi => sdi.Language);
comparer.AddProperty <SymbolDocumentInfo>(sdi => sdi.LanguageVendor);
comparer.AddProperty <DynamicExpression>(de => de.Arguments);
comparer.AddProperty <DynamicExpression>(de => de.Binder);
comparer.AddProperty <DynamicExpression>(de => de.DelegateType);
comparer.AddProperty <GotoExpression>(ge => ge.Kind);
comparer.AddProperty <GotoExpression>(ge => ge.Target);
comparer.AddProperty <GotoExpression>(ge => ge.Value);
comparer.AddProperty <IndexExpression>(ie => ie.Arguments);
comparer.AddProperty <IndexExpression>(ie => ie.Indexer);
comparer.AddProperty <IndexExpression>(ie => ie.Object);
comparer.AddProperty <InvocationExpression>(ie => ie.Arguments);
comparer.AddProperty <InvocationExpression>(ie => ie.Expression);
comparer.AddProperty <LabelExpression>(le => le.DefaultValue);
comparer.AddProperty <LabelExpression>(le => le.Target);
comparer.AddProperty <LambdaExpression>(le => le.Body);
comparer.AddProperty <LambdaExpression>(le => le.Name);
comparer.AddProperty <LambdaExpression>(le => le.Parameters);
comparer.AddProperty <LambdaExpression>(le => le.ReturnType);
comparer.AddProperty <LambdaExpression>(le => le.TailCall);
comparer.AddProperty <ListInitExpression>(lie => lie.Initializers);
comparer.AddProperty <ListInitExpression>(lie => lie.NewExpression);
comparer.AddProperty <ElementInit>(ei => ei.AddMethod);
comparer.AddProperty <ElementInit>(ei => ei.Arguments);
comparer.AddProperty <LoopExpression>(le => le.Body);
comparer.AddProperty <LoopExpression>(le => le.BreakLabel);
comparer.AddProperty <LoopExpression>(le => le.ContinueLabel);
comparer.AddProperty <MemberExpression>(me => me.Expression);
comparer.AddProperty <MemberExpression>(me => me.Member);
comparer.AddProperty <MemberInitExpression>(mie => mie.Bindings);
comparer.AddProperty <MemberInitExpression>(mie => mie.NewExpression);
comparer.AddProperty <MemberBinding>(mb => mb.BindingType);
comparer.AddProperty <MemberBinding>(mb => mb.Member);
comparer.AddProperty <MethodCallExpression>(mce => mce.Arguments);
comparer.AddProperty <MethodCallExpression>(mce => mce.Method);
comparer.AddProperty <MethodCallExpression>(mce => mce.Object);
comparer.AddProperty <NewArrayExpression>(nae => nae.Expressions);
comparer.AddProperty <NewExpression>(ne => ne.Arguments);
comparer.AddProperty <NewExpression>(ne => ne.Constructor);
comparer.AddProperty <NewExpression>(ne => ne.Members);
comparer.AddProperty <ParameterExpression>(pe => pe.IsByRef);
comparer.AddProperty <ParameterExpression>(pe => pe.Name);
comparer.AddProperty <RuntimeVariablesExpression>(rve => rve.Variables);
comparer.AddProperty <SwitchExpression>(se => se.Cases);
comparer.AddProperty <SwitchExpression>(se => se.Comparison);
comparer.AddProperty <SwitchExpression>(se => se.DefaultBody);
comparer.AddProperty <SwitchExpression>(se => se.SwitchValue);
comparer.AddProperty <SwitchCase>(sc => sc.Body);
comparer.AddProperty <SwitchCase>(sc => sc.TestValues);
comparer.AddProperty <TryExpression>(te => te.Body);
comparer.AddProperty <TryExpression>(te => te.Fault);
comparer.AddProperty <TryExpression>(te => te.Finally);
comparer.AddProperty <TryExpression>(te => te.Handlers);
comparer.AddProperty <CatchBlock>(cb => cb.Body);
comparer.AddProperty <CatchBlock>(cb => cb.Filter);
comparer.AddProperty <CatchBlock>(cb => cb.Test);
comparer.AddProperty <CatchBlock>(cb => cb.Variable);
comparer.AddProperty <TypeBinaryExpression>(tbe => tbe.Expression);
comparer.AddProperty <TypeBinaryExpression>(tbe => tbe.TypeOperand);
comparer.AddProperty <UnaryExpression>(ue => ue.IsLifted);
comparer.AddProperty <UnaryExpression>(ue => ue.IsLiftedToNull);
comparer.AddProperty <UnaryExpression>(ue => ue.Method);
comparer.AddProperty <UnaryExpression>(ue => ue.Operand);
return(comparer);
}