Contents

module ClassSpecs
  class A; end
end

describe "A singleton class" do
  it "is NilClass for nil" do
    nil.singleton_class.should == NilClass
  end

  it "is a singleton Class instance" do
    o = mock('x')
    o.singleton_class.should be_kind_of(Class)
    o.singleton_class.should_not equal(Object)
  end

  it "is a Class for classes" do
    ClassSpecs::A::singleton_class.should be_kind_of(Class)
  end
end

describe "Defining instance methods on a singleton class" do
  before do
    @object = Object.new
    class << @object
      def singleton_method; 1 end
    end
  end

  it "defines public methods" do
    @object.singleton_method.should eq(1)
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
opal-0.3.41	spec/language/singleton_class_spec.rb
opal-0.3.40	spec/language/singleton_class_spec.rb
opal-0.3.39	spec/language/singleton_class_spec.rb