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add a test.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27325 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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akr 2010-04-12 20:50:45 +00:00
parent db9119bedf
commit 9afaef347c
1 changed files with 7 additions and 0 deletions
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7
test/ruby/test_rand.rb
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@ -404,5 +404,12 @@ END
rand_1 = Random.new(-1).rand
assert_not_equal(rand_1, Random.new((1 << 31) -1).rand, "#{bug3104} (2)")
assert_not_equal(rand_1, Random.new((1 << 63) -1).rand, "#{bug3104} (2)")
[-1, -2**10, -2**40].each {|n|
b = (2**64).coerce(n)[0]
r1 = Random.new(n).rand
r2 = Random.new(b).rand
assert_equal(r1, r2)
}
end
end