require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)

ruby_version_is "1.9" do
  describe "Kernel#respond_to_missing?" do
    before :each do
      @a = KernelSpecs::A.new
    end

    it "is not called when #respond_to? would return true" do
      obj = mock('object')
      obj.stub!(:glark)
      obj.should_not_receive(:respond_to_missing?)
      obj.respond_to?(:glark).should be_true
    end

    it "is called with a 2nd argument of false when #respond_to? is" do
      obj = mock('object')
      obj.should_receive(:respond_to_missing?).with(:undefined_method, false)
      obj.respond_to?(:undefined_method, false)
    end

    it "is called a 2nd argument of false when #respond_to? is called with only 1 argument" do
      obj = mock('object')
      obj.should_receive(:respond_to_missing?).with(:undefined_method, false)
      obj.respond_to?(:undefined_method)
    end

    it "is called with true as the second argument when #respond_to? is" do
      obj = mock('object')
      obj.should_receive(:respond_to_missing?).with(:undefined_method, true)
      obj.respond_to?(:undefined_method, true)
    end

    it "is called when #respond_to? would return false" do
      obj = mock('object')
      obj.should_receive(:respond_to_missing?).with(:undefined_method, false)
      obj.respond_to?(:undefined_method)
    end

    it "causes #respond_to? to return true if called and not returning false" do
      obj = mock('object')
      obj.should_receive(:respond_to_missing?).with(:undefined_method, false).and_return(:glark)
      obj.respond_to?(:undefined_method).should be_true
    end

    it "causes #respond_to? to return false if called and returning false" do
      obj = mock('object')
      obj.should_receive(:respond_to_missing?).with(:undefined_method, false).and_return(false)
      obj.respond_to?(:undefined_method).should be_false
    end

    it "causes #respond_to? to return false if called and returning nil" do
      obj = mock('object')
      obj.should_receive(:respond_to_missing?).with(:undefined_method, false).and_return(nil)
      obj.respond_to?(:undefined_method).should be_false
    end

    it "isn't called when obj responds to the given public method" do
      @a.should_not_receive(:respond_to_missing?)
      @a.respond_to?(:pub_method).should be_true
    end

    it "isn't called when obj responds to the given public method, include_private = true" do
      @a.should_not_receive(:respond_to_missing?)
      @a.respond_to?(:pub_method, true).should be_true
    end

    ruby_version_is ""..."2.0" do
      it "isn't called when obj responds to the given protected method, include_private = false" do
        @a.should_not_receive(:respond_to_missing?)
        @a.respond_to?(:protected_method, false).should be_true
      end
    end

    ruby_version_is "2.0" do
      it "is called when obj responds to the given protected method, include_private = false" do
        @a.should_receive(:respond_to_missing?)
        @a.respond_to?(:protected_method, false).should be_false
      end
    end

    it "isn't called when obj responds to the given protected method, include_private = true" do
      @a.should_not_receive(:respond_to_missing?)
      @a.respond_to?(:protected_method, true).should be_true
    end

    it "is called when obj responds to the given private method, include_private = false" do
      @a.should_receive(:respond_to_missing?).with(:private_method, false)
      @a.respond_to?(:private_method)
    end

    it "isn't called when obj responds to the given private method, include_private = true" do
      @a.should_not_receive(:respond_to_missing?)
      @a.respond_to?(:private_method, true).should be_true
    end

    it "is called for missing class methods" do
      @a.class.should_receive(:respond_to_missing?).with(:oOoOoO, false)
      @a.class.respond_to?(:oOoOoO)
    end
  end
end
