using System;

using System.Linq.Expressions;

namespace SqlRepo.Testing

{

public static class ExpressionAssertionExtensions

{

public static bool HasMemberName<TEntity, TMember>(this Expression<Func<TEntity, TMember>> expression,

string expected)

{

return expression.GetMemberName() == expected;

}

public static bool HasOperator<TEntity, TMember>(this Expression<Func<TEntity, TMember>> expression,

string @operator)

{

return expression.GetOperator() == @operator;

}

public static bool HasValue<TEntity, TMember>(this Expression<Func<TEntity, TMember>> expression,

object expected)

{

return expression.GetExpressionValue() == expected;

}

public static bool IsComparisonWith<TEntity, TMember>(

this Expression<Func<TEntity, TMember>> expression,

string member,

string @operator,

string @value)

{

return expression.HasMemberName(member) && expression.HasOperator(@operator)

&& expression.HasValue(@value);

}

}

}