C# Guard Pattern

Guard validation clause list for object, string, int, double, decimal, datetime, timespan, URL.

Examples

Guard.AgainstNull(name, "Name");

Guard.AgainstNullOrEmpty(name, "Name");

Guard.AgainstMinimumLength(name, "Name", 10);

Guard.AgainstNumberLessThan(money, "Money", 1000);

Guard.AgainstNumberGreaterThanOrEqual(money, "Money", 1000);

Guard.AgainstNumberNegative(money, "Money");

Guard.AgainstDateTimeGreaterThan(startDate, "StartDate", DateTime.Now);

Guard.AgainstInValidURL("https://nilavpatel.github.io", "URL");

For Object

• AgainstNull

For String

• AgainstNullOrEmpty
• AgainstNullOrWhiteSpace
• AgainstLeadingAndTailingSpace
• AgainstMinimumLength
• AgainstMaximumLength
• AgainstSpecialCharacters
• AgainstDigits
• AgainstAlphabet
• AgainstLowerCase
• AgainstUpperCase
• AgainstSpace

For int, double, decimal

• AgainstNumberLessThan
• AgainstNumberGreaterThan
• AgainstNumberLessThanOrEqual
• AgainstNumberGreaterThanOrEqual
• AgainstNumberZero
• AgainstNumberNegative
• AgainstNumberNegativeOrZero
• AgainstNumberOutOfRange

For DateTime

• AgainstDateTimeLessThan
• AgainstDateTimeGreaterThan
• AgainstDateTimeLessThanOrEqual
• AgainstDateTimeGreaterThanOrEqual
• AgainstDateTimeOutOfRange

For TimeSpan

• AgainstTimeSpanLessThan
• AgainstTimeSpanGreaterThan
• AgainstTimeSpanLessThanOrEqual
• AgainstTimeSpanGreaterThanOrEqual
• AgainstTimeSpanOutOfRange

For Others

• AgainstInValidURL
• AgainstInValidEmailId
• AgainstInValidGuid

For bool

• AgainstTrue
• AgainstFalse