Update securerandom

core/rbs/unnamed/random.rbs

@@ -288,6 +288,36 @@ module RBS
       #
       %a{annotate:rdoc:copy:Random::Formatter#uuid}
       def uuid: () -> String
+
+      # <!--
+      #   rdoc-file=lib/random/formatter.rb
+      #   - alphanumeric(n = nil, chars: ALPHANUMERIC)
+      # -->
+      # Generate a random alphanumeric string.
+      #
+      # The argument *n* specifies the length, in characters, of the alphanumeric
+      # string to be generated. The argument *chars* specifies the character list
+      # which the result is consist of.
+      #
+      # If *n* is not specified or is nil, 16 is assumed. It may be larger in the
+      # future.
+      #
+      # The result may contain A-Z, a-z and 0-9, unless *chars* is specified.
+      #
+      #     require 'random/formatter'
+      #
+      #     Random.alphanumeric     #=> "2BuBuLf3WfSKyQbR"
+      #     # or
+      #     prng = Random.new
+      #     prng.alphanumeric(10) #=> "i6K93NdqiH"
+      #
+      #     Random.alphanumeric(4, chars: [*"0".."9"]) #=> "2952"
+      #     # or
+      #     prng = Random.new
+      #     prng.alphanumeric(10, chars: [*"!".."/"]) #=> ",.,++%/''."
+      #
+      %a{annotate:rdoc:copy:Random::Formatter#alphanumeric}
+      def alphanumeric: (?Numeric?, ?chars: Array[String]) -> String
     end
   end
 end

stdlib/securerandom/0/securerandom.rbs

@@ -36,27 +36,4 @@
 #
 module SecureRandom
   extend Random::Formatter
-
-  # <!--
-  #   rdoc-file=lib/securerandom.rb
-  #   - alphanumeric(n = nil, chars: ALPHANUMERIC)
-  # -->
-  # Compatibility methods for Ruby 3.2, we can remove this after dropping to
-  # support Ruby 3.2
-  #
-  def self.alphanumeric: (?Integer?) -> String
-
-  def self.base64: (?Integer?) -> String
-
-  def self.hex: (?Integer?) -> String
-
-  def self.random_bytes: (?Integer?) -> String
-
-  def self.random_number: () -> Float
-                        | (Integer) -> Integer
-                        | (Numeric) -> Numeric
-
-  def self.urlsafe_base64: (?Integer?, ?bool?) -> String
-
-  def self.uuid: () -> String
 end

test/stdlib/Random_test.rb

@@ -38,6 +38,15 @@ def test_urandom
     assert_send_type  "(::Integer) -> ::String",
                       Random, :urandom, 0
   end
+
+  def test_alphanumeric
+    assert_send_type  "() -> ::String",
+                      Random, :alphanumeric
+    assert_send_type  "(::Integer) -> ::String",
+                      Random, :alphanumeric, 10
+    assert_send_type  "(::Integer, chars: Array[::String]) -> ::String",
+                      Random, :alphanumeric, 10, chars: ["a", "b", "c"]
+  end
 end
 
 class RandomTest < Test::Unit::TestCase
@@ -73,4 +82,13 @@ def test_seed
     assert_send_type  "() -> ::Integer",
                       Random.new, :seed
   end
+
+  def test_alphanumeric
+    assert_send_type  "() -> ::String",
+                      Random.new, :alphanumeric
+    assert_send_type  "(::Integer) -> ::String",
+                      Random.new, :alphanumeric, 10
+    assert_send_type  "(::Integer, chars: Array[::String]) -> ::String",
+                      Random.new, :alphanumeric, 10, chars: ["a", "b", "c"]
+  end
 end