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cdhash_cmp: can take rational literals

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Rational literals are those integers suffixed with `r`.  They tend to
be a part of more complex expressions like `123/456r`, but in theory
they can live alone.  When such "bare" rational literals are passed to
case-when branch, we have to take care of them.  Fixes [Bug #17854]
This commit is contained in:
卜部昌平 2021-05-07 10:04:08 +09:00
parent 773c690f25
commit 2bc293e899
Notes: git 2021-05-12 10:31:14 +09:00
5 changed files with 26 additions and 3 deletions
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7
test/ruby/test_rational.rb
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@ -830,6 +830,13 @@ class Rational_Test < Test::Unit::TestCase
assert_raise(ZeroDivisionError) {Rational("1/0")}
end
def test_cdhash
assert_separately([], <<-RUBY)
n = case 1 when 2r then false else true end
assert_equal(n, true, '[ruby-core:103759] [Bug #17854]')
RUBY
end
def test_Rational_with_invalid_exception
assert_raise(ArgumentError) {
Rational("1/1", exception: 1)