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bigdecimal.c: fix FloatDomainError

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* ext/bigdecimal/bigdecimal.c (GetVpValueWithPrec): consider
  non-finite float values not to raise FloatDomainError.
  [ruby-core:75682] [Bug #12414]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55123 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-05-23 03:30:30 +00:00
parent cb2a99822e
commit 4a574f7ad9
3 changed files with 24 additions and 0 deletions
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12
test/bigdecimal/test_bigdecimal.rb
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@ -459,6 +459,18 @@ class TestBigDecimal < Test::Unit::TestCase
assert_equal(false, BigDecimal.new("NaN") > n1)
end
def test_cmp_float_nan
assert_equal(nil, BigDecimal.new("1") <=> Float::NAN)
end
def test_cmp_float_pos_inf
assert_equal(-1, BigDecimal.new("1") <=> Float::INFINITY)
end
def test_cmp_float_neg_inf
assert_equal(+1, BigDecimal.new("1") <=> -Float::INFINITY)
end
def test_cmp_failing_coercion
n1 = BigDecimal.new("1")
assert_equal(nil, n1 <=> nil)