Feature #14052 ยป securerandom-with_chars.diff
| lib/securerandom.rb | ||
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self.bytes(n)
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end
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# SecureRandom.choose generates a string that randomly draws from a
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# SecureRandom.with_chars generates a string that randomly draws from a
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# source array of characters.
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#
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# The argument _source_ specifies the array of characters from which
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#
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# The result may contain whatever characters are in the source array.
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#
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# p SecureRandom.choose([*'l'..'r']) #=> "lmrqpoonmmlqlron"
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# p SecureRandom.choose([*'0'..'9'], 5) #=> "27309"
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# p SecureRandom.with_chars([*'l'..'r']) #=> "lmrqpoonmmlqlron"
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# p SecureRandom.with_chars([*'0'..'9'], 5) #=> "27309"
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#
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# If a secure random number generator is not available,
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# +NotImplementedError+ is raised.
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private def choose(source, n)
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def with_chars(source, n)
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size = source.size
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m = 1
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limit = size
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# +NotImplementedError+ is raised.
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def alphanumeric(n=nil)
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n = 16 if n.nil?
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choose(ALPHANUMERIC, n)
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with_chars(ALPHANUMERIC, n)
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end
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end
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| test/test_securerandom.rb | ||
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end
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end
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def test_with_chars
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source = 'abc123'.chars
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65.times do |n|
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an = @it.with_chars(source, n)
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assert_match(/\A[abc123]*\z/, an)
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assert_equal(n, an.length)
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end
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end
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def protect
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begin
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yield
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