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Terminal: don't let Readline return [0, 0]

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Some of the tests from "spec/commands/ls_spec.rb" were failing on
Rubinius and 1.9.2. The problems was introduced by this commit:

  (Tweak and Refactor Pry::Terminal)
  fc522f837a

The problem is that `Readline.get_screen_size` can return `[0, 0]`.
That's not good, because it breaks a couple of our tests (table output
stuff). But now...

          .o( ...it is fixed. Twit-twoo! )
    \{0,0}/
This commit is contained in:
Kyrylo Silin 2013-02-04 17:29:09 +02:00
parent 3760668d02
commit d331ded410
1 changed files with 12 additions and 3 deletions
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15
lib/pry/terminal.rb
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@ -44,11 +44,14 @@ class Pry::Terminal
def screen_size_according_to_env
size = [ENV['LINES'] || ENV['ROWS'], ENV['COLUMNS']]
size if size[1].to_i > 0
size if nonzero_column?(size)
end
def screen_size_according_to_readline
Readline.get_screen_size if Readline.respond_to?(:get_screen_size)
if Readline.respond_to?(:get_screen_size)
size = Readline.get_screen_size
size if nonzero_column?(size)
end
rescue Java::JavaLang::NullPointerException
# This rescue won't happen on jrubies later than:
# https://github.com/jruby/jruby/pull/436
@ -58,7 +61,13 @@ class Pry::Terminal
def screen_size_according_to_ansicon_env
return unless ENV['ANSICON'] =~ /\((.*)x(.*)\)/
size = [$2, $1]
size if size[1].to_i > 0
size if nonzero_column?(size)
end
private
def nonzero_column?(size)
size[1].to_i > 0
end
end
end