From 1590861172ec08b6b10688677364eec6488676cd Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 13 Dec 2017 10:40:54 +0000
Subject: test_process.rb: fix error when empty groups

* test/ruby/test_process.rb (test_maxgroups): set one element at
  least get rid of ZeroDivisionError when no process groups.
  [ruby-core:84224] [Bug #14174]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61206 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_process.rb | 1 +
 1 file changed, 1 insertion(+)

(limited to 'test')

diff --git a/test/ruby/test_process.rb b/test/ruby/test_process.rb
index 58644832d3..c20b8170aa 100644
--- a/test/ruby/test_process.rb
+++ b/test/ruby/test_process.rb
@@ -1518,6 +1518,7 @@ class TestProcess < Test::Unit::TestCase
     assert_kind_of(Integer, max)
     gs = Process.groups
     assert_operator(gs.size, :<=, max)
+    gs[0] ||= 0
     assert_raise(ArgumentError) {Process.groups = gs * (max / gs.size + 1)}
   end
 
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