NoMethodError: undefined method `first' for :"__mspec_14_eql?__":Symbol
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Key: JRUBY-4015
URL: http://jira.codehaus.org/browse/JRUBY-4015
Project: JRuby
Issue Type: Bug
Components: Ruby 1.9
Reporter: David Calavera
Assignee: Thomas E Enebo
This error is done over and over again in some rubyspecs running with 1.9
compliant mode.
Mspec raises an error in lib/mspec/mocks/mock.rb line 35:
{noformat}
def self.has_key?(keys, sym)
!!keys.find { |k|
k.first == sym #this line raises an error because "k" is a symbol but it
should be an array
}
end
{noformat}
I'm trying to describe the problem:
RubyArray.detect receives a block param. This block was instantiated with a
body and that body is an instance of CompiledBlockLight19. That body has a
variable called argumentType that's set to BlockBody.ARRAY == 2, BUT when that
variable is set so the parameter passed to the block is transformed to an array
of parameters before to call the block.
So, an example:
{noformat}
keys = [[:foo, :bar], [:bar, :baz]]
keys.find { |k| # HERE k IS THE FIRST ELEMENT OF THE EACH CONTAINED ARRAY
INSTEAD OF THE ARRAY ITSELF
# WE COULD GET OTHER ELEMENTS OF THE CONTAINED ARRAY
PASSING THEM AS PARAMETERS TO THE BLOCK SO { |k1, k2...|
k.first == sym # THIS FAILS BECAUSE IT EXPECTS AN ARRAY
}
{noformat}
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