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test_math.rb: use Float#infinite?

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* test/ruby/test_math.rb (TestMath#assert_infinity): Float#finite?
  returns true also for NaN, so use Float#infinite? instead.
  [ruby-core:65117] [Feature #10261]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47635 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-09-19 01:47:06 +00:00
parent 8b9afe6520
commit 5cd2d58396
2 changed files with 7 additions and 1 deletions
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test/ruby/test_math.rb
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@ -3,7 +3,7 @@ require 'test/unit'
class TestMath < Test::Unit::TestCase
def assert_infinity(a, *rest)
rest = ["not infinity: #{a.inspect}"] if rest.empty?
assert_not_predicate(a, :finite?, *rest)
assert_predicate(a, :infinite?, *rest)
end
def assert_nan(a, *rest)