class RSpec::Matchers::BuiltIn::SpecificValuesChange

@api private Base class for specifying a change from and/or to specific values.

Constants

MATCH_ANYTHING: @private

Public Class Methods

# File rspec-expectations/lib/rspec/matchers/built_in/change.rb, line 184
def initialize(change_details, from, to)
  @change_details  = change_details
  @expected_before = from
  @expected_after  = to
end

Public Instance Methods

description ()

@private

# File rspec-expectations/lib/rspec/matchers/built_in/change.rb, line 196
def description
  "change #{@change_details.value_representation} #{change_description}"
end

failure_message ()

@private

# File rspec-expectations/lib/rspec/matchers/built_in/change.rb, line 201
def failure_message
  return before_value_failure      unless @matches_before
  return did_not_change_failure    unless @change_details.changed?
  after_value_failure
end

matches? (event_proc)

@private

# File rspec-expectations/lib/rspec/matchers/built_in/change.rb, line 191
def matches?(event_proc)
  perform_change(event_proc) && @change_details.changed? && @matches_before && matches_after?
end

supports_block_expectations? ()

@private

# File rspec-expectations/lib/rspec/matchers/built_in/change.rb, line 208
def supports_block_expectations?
  true
end

supports_value_expectations? ()

@private

# File rspec-expectations/lib/rspec/matchers/built_in/change.rb, line 213
def supports_value_expectations?
  false
end