File: test_jruby_core_ext.rb

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require 'test/unit'
require 'jruby'
require 'jruby/core_ext'

class TestJrubyCoreExt < Test::Unit::TestCase
  def test_subclasses
    superclass = Class.new
    sub1 = Class.new(superclass)
    sub2 = Class.new(superclass)
    assert_equal([sub1.to_s, sub2.to_s].sort, superclass.subclasses.map{|c| c.to_s}.sort)
  end

  def test_with_current_runtime_as_global
    other_runtime = org.jruby.Ruby.newInstance
    other_runtime.use_as_global_runtime
    assert_equal other_runtime, org.jruby.Ruby.global_runtime
    JRuby.with_current_runtime_as_global do
      assert_equal JRuby.runtime, org.jruby.Ruby.global_runtime
    end
    assert_equal other_runtime, org.jruby.Ruby.global_runtime
  end
end