class

Assert::Assertions::GreaterThan(PropertyType)

Inherits Assert::Assertions::Assertion / Reference / Object

Validates a property is greater than value.

Example

class Example
  include Assert

  def initialize; end

  @[Assert::GreaterThan(value: 100)]
  property int32 : Int32 = 101

  @[Assert::GreaterThan(value: 0.0001_f64)]
  property float : Float64 = 0.0002

  @[Assert::GreaterThan(value: "X")]
  property string : String = "Y"

  @[Assert::GreaterThan(value: end_date)]
  property start_date : Time? = Time.utc(2019, 5, 29)

  @[Assert::GreaterThan(value: Time.utc(2019, 1, 1))]
  property end_date : Time? = Time.utc(2019, 5, 20)

  @[Assert::GreaterThan(value: max_value)]
  property getter_property : UInt8 = 250_u8

  def max_value : UInt8
    200_u8
  end
end

Example.new.valid? # => true

NOTE: value can be a hard-coded value like 10, the name of another property, a constant, or the name of a method. NOTE: The type of value and the property must match. NOTE: PropertyType can be anything that defines a #> method.

Constructors

new(property_name : String, actual : PropertyType, value : PropertyType, message : String | Nil = nil, groups : Array(String) | Nil = nil)

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Instance methods

default_message_template

Returns the default #message_template to use if no message is provided.

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message

The message to display if self is not valid.

NOTE: This method is defined automatically, and is just present for documentation purposes.

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valid?

Returns true if a property satisfies self, otherwise false.

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