Module: BinData::BasePrimitive::AssertPlugin

Defined in:
lib/bindata/base_primitive.rb

Overview

Logic for the :assert parameter

Instance Method Summary collapse

Instance Method Details

#assert! ⇒ Object 



201
202
203
204
205
206
207
208
209
210
211
212
 
# File 'lib/bindata/base_primitive.rb', line 201

def assert!
  current_value = snapshot
  expected = eval_parameter(:assert, :value => current_value)
  if not expected
    raise ValidityError,
          "value '#{current_value}' not as expected for #{debug_name}"
  elsif current_value != expected and expected != true
    raise ValidityError,
          "value is '#{current_value}' but " +
          "expected '#{expected}' for #{debug_name}"
  end
end

#assign(val) ⇒ Object 



191
192
193
194
 
# File 'lib/bindata/base_primitive.rb', line 191

def assign(val)
  super(val)
  assert!
end

#do_read(io) ⇒ Object

:nodoc:



196
197
198
199
 
# File 'lib/bindata/base_primitive.rb', line 196

def do_read(io) #:nodoc:
  super(io)
  assert!
end