class RSpec::Matchers::BuiltIn::ChangeToValue

@api private Used to specify a change to a specific value (and, optionally, from a specific value).

Public Class Methods

Calls superclass method RSpec::Matchers::BuiltIn::SpecificValuesChange::new

# File rspec-expectations/lib/rspec/matchers/built_in/change.rb, line 304
def initialize(change_details, expected_after)
  @description_suffix = nil
  super(change_details, MATCH_ANYTHING, expected_after)
end

Public Instance Methods

does_not_match? (_event_proc)

@private

# File rspec-expectations/lib/rspec/matchers/built_in/change.rb, line 318
def does_not_match?(_event_proc)
  raise NotImplementedError, "Using a negated form of the `change` matcher " \
                             "with `to()` is not supported."
end

from (value)

@api public Specifies the original value.

# File rspec-expectations/lib/rspec/matchers/built_in/change.rb, line 311
def from(value)
  @expected_before    = value
  @description_suffix = " from #{description_of value}"
  self
end