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random.c: endless range random

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* random.c (range_values): cannot determine the domain of an endless
  range.  [ruby-core:88261] [Bug #14958]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64167 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2018-08-03 06:31:22 +00:00
parent 4cef2c8d6b
commit 64712906b0
2 changed files with 3 additions and 1 deletions
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test/ruby/test_rand.rb
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@ -399,6 +399,7 @@ END
assert_raise(Errno::EDOM, Errno::ERANGE) { r.rand(1.0 / 0.0) }
assert_raise(Errno::EDOM, Errno::ERANGE) { r.rand(0.0 / 0.0) }
assert_raise(Errno::EDOM) {r.rand(1..)}
r = Random.new(0)
assert_in_delta(1.5488135039273248, r.rand(1.0...2.0), 0.0001, '[ruby-core:24655]')