C# Guard Pattern

This project contains guard clauses for object, string, int, double, decimal, datetime, datetimeoffset, timespan, URL.

Examples

Guard.Against.Null(name,"Name");Guard.Against.NullOrEmpty(name,"Name");Guard.Against.MinimumLength(name,"Name",10);Guard.Against.NumberLessThan(money,"Money",1000);Guard.Against.NumberGreaterThanOrEqual(money,"Money",1000);Guard.Against.NumberNegative(money,"Money");Guard.Against.DateTimeGreaterThan(startDate,"StartDate",DateTime.Now);Guard.Against.InValidURL("https://nilavpatel.github.io","URL");

For generic <T> type

• Null

For String

• NullOrEmpty
• NullOrWhiteSpace
• LeadingAndTailingSpace
• MinimumLength
• MaximumLength
• SpecialCharacters
• Digits
• Alphabet
• LowerCase
• UpperCase
• Space

For int, double, decimal

• NumberLessThan
• NumberGreaterThan
• NumberLessThanOrEqual
• NumberGreaterThanOrEqual
• NumberZero
• NumberNegative
• NumberNegativeOrZero
• NumberOutOfRange

For DateTime

• DateTimeLessThan
• DateTimeGreaterThan
• DateTimeLessThanOrEqual
• DateTimeGreaterThanOrEqual
• DateTimeOutOfRange

For DateTimeOffset

• DateTimeOffsetLessThan
• DateTimeOffsetGreaterThan
• DateTimeOffsetLessThanOrEqual
• DateTimeOffsetGreaterThanOrEqual
• DateTimeOffsetOutOfRange

For TimeSpan

• TimeSpanLessThan
• TimeSpanGreaterThan
• TimeSpanLessThanOrEqual
• TimeSpanGreaterThanOrEqual
• TimeSpanOutOfRange

For Others

• InValidURL
• InValidEmailId
• InValidGuid

For bool

• True
• False

How to create custom guard clause?

publicstaticclassCustomGuardClause{publicstaticvoidMoreThanMaxLimit(thisIGuardClauseguardClause,intargument,stringargumentName){if(argument>Int16.MaxValue){thrownewArgumentException(string.Format("{0} is not allowing to be more than Int16 max limit",argumentName));}}}