Module: Bang::ExceptionExtension

Included in:
Exception
Defined in:
lib/bang.rb

Overview

Class-level extension for Exception class that adds ‘#raised?` and `#rescued?`.

Instance Method Summary collapse

Instance Method Details

#raised? ⇒ true, false

Yield a given block and return ‘true` if this exception specifically is raised, otherwise `false`.

Returns:

  • (true, false) —

    Whether exception is raised.



319
320
321
322
323
324
325
326
327
328
 
# File 'lib/bang.rb', line 319

def raised? #:yield:
  begin
    yield
    false
  rescue self => err
    self == err.class
  rescue Exception
    false
  end
end

#rescued? ⇒ true, false

Yield a given block and return ‘true` if this exception, or a sub-class there-of is raised, otherwise `false`.

Returns:

  • (true, false) —

    Whether exception is rescued.



336
337
338
339
340
341
342
343
344
345
 
# File 'lib/bang.rb', line 336

def rescued? #:yield:
  begin
    yield
    false
  rescue self
    true
  rescue Exception
    false
  end
end