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# frozen_string_literal: true
require_relative "../test_helper"
module Prism
class FreezeTest < TestCase
def test_parse
assert_frozen(Prism.parse("1 + 2; %i{foo} + %i{bar}", freeze: true))
end
def test_lex
assert_frozen(Prism.lex("1 + 2; %i{foo} + %i{bar}", freeze: true))
end
def test_parse_lex
assert_frozen(Prism.parse_lex("1 + 2; %i{foo} + %i{bar}", freeze: true))
assert_frozen(Prism.parse_lex("# encoding: euc-jp\n%i{foo}", freeze: true))
end
def test_parse_comments
assert_frozen(Prism.parse_comments("# comment", freeze: true))
end
def test_parse_stream
assert_frozen(Prism.parse_stream(StringIO.new("1 + 2; %i{foo} + %i{bar}"), freeze: true))
end
if !ENV["PRISM_BUILD_MINIMAL"]
def test_dump
assert_frozen(Prism.dump("1 + 2; %i{foo} + %i{bar}", freeze: true))
end
end
private
def assert_frozen_each(value)
assert_predicate value, :frozen?
value.instance_variables.each do |name|
case (child = value.instance_variable_get(name))
when Array
child.each { |item| assert_frozen_each(item) }
when Hash
child.each { |key, item| assert_frozen_each(key); assert_frozen_each(item) }
else
assert_frozen_each(child)
end
end
end
if defined?(Ractor.shareable?)
def assert_frozen(value)
assert_frozen_each(value)
assert Ractor.shareable?(value), -> { binding.irb }
end
else
alias assert_frozen assert_frozen_each
end
end
end
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