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

describe "Module#private_method_defined?" do
  it "returns true if the named private method is defined by module or its ancestors" do
    ModuleSpecs::CountsMixin.private_method_defined?("private_3").should == true

    ModuleSpecs::CountsParent.private_method_defined?("private_3").should == true
    ModuleSpecs::CountsParent.private_method_defined?("private_2").should == true

    ModuleSpecs::CountsChild.private_method_defined?("private_3").should == true
    ModuleSpecs::CountsChild.private_method_defined?("private_2").should == true
    ModuleSpecs::CountsChild.private_method_defined?("private_1").should == true
  end

  it "returns false if method is not a private method" do
    ModuleSpecs::CountsChild.private_method_defined?("public_3").should == false
    ModuleSpecs::CountsChild.private_method_defined?("public_2").should == false
    ModuleSpecs::CountsChild.private_method_defined?("public_1").should == false

    ModuleSpecs::CountsChild.private_method_defined?("protected_3").should == false
    ModuleSpecs::CountsChild.private_method_defined?("protected_2").should == false
    ModuleSpecs::CountsChild.private_method_defined?("protected_1").should == false
  end

  it "returns false if the named method is not defined by the module or its ancestors" do
    ModuleSpecs::CountsMixin.private_method_defined?(:private_10).should == false
  end

  it "accepts symbols for the method name" do
    ModuleSpecs::CountsMixin.private_method_defined?(:private_3).should == true
  end

  ruby_version_is ""..."1.9" do
    it "raises an ArgumentError if passed a Fixnum" do
      lambda {
        ModuleSpecs::CountsMixin.private_method_defined?(1)
      }.should raise_error(ArgumentError)
    end
  end

  ruby_version_is "1.9" do
    it "raises a TypeError if passed a Fixnum" do
      lambda {
        ModuleSpecs::CountsMixin.private_method_defined?(1)
      }.should raise_error(TypeError)
    end
  end

  it "raises a TypeError if passed nil" do
    lambda {
      ModuleSpecs::CountsMixin.private_method_defined?(nil)
    }.should raise_error(TypeError)
  end

  it "raises a TypeError if passed false" do
    lambda {
      ModuleSpecs::CountsMixin.private_method_defined?(false)
    }.should raise_error(TypeError)
  end

  it "raises a TypeError if passed an object that does not defined #to_str" do
    lambda {
      ModuleSpecs::CountsMixin.private_method_defined?(mock('x'))
    }.should raise_error(TypeError)
  end

  not_compliant_on :rubinius do
    it "raises a TypeError if passed an object that defines #to_sym" do
      sym = mock('symbol')
      def sym.to_sym() :private_3 end
      lambda {
        ModuleSpecs::CountsMixin.private_method_defined?(sym)
      }.should raise_error(TypeError)
    end
  end

  deviates_on :rubinius do
    it "calls #to_sym to coerce the passed object to a Symbol" do
      sym = mock('symbol')
      def sym.to_sym() :private_3 end

      ModuleSpecs::CountsMixin.private_method_defined?(sym).should be_true
    end
  end

  it "calls #to_str to coerce the passed object to a String" do
    str = mock('string')
    def str.to_str() 'private_3' end
    ModuleSpecs::CountsMixin.private_method_defined?(str).should == true
  end
end
