ruby/test/rubygems/test_gem_resolver_specification.rb

require 'rubygems/test_case'

class TestGemResolverSpecification < Gem::TestCase

  class TestSpec < Gem::Resolver::Specification
    attr_reader :spec

    def initialize spec
      super()

      @spec = spec
    end
  end

  def test_installable_platform_eh
    a = util_spec 'a', 1

    a_spec = TestSpec.new a

    assert a_spec.installable_platform?

    b = util_spec 'a', 1 do |s|
      s.platform = Gem::Platform.new %w[cpu other_platform 1]
    end

    b_spec = TestSpec.new b

    refute b_spec.installable_platform?
  end

end