Contents

describe Daru::Accessors::GSLWrapper do
  before :each do
    @stub_context = Object.new
    @gsl_wrapper = Daru::Accessors::GSLWrapper.new([1,2,3,4,5,6], @stub_context)
  end

  context ".new" do
    it "actually creates a GSL Vector" do
      expect(@gsl_wrapper.data.class).to eq(GSL::Vector)
    end
  end

  context "#mean" do
    it "computes mean" do
      expect(@gsl_wrapper.mean).to eq(3.5)
    end
  end

  context "#map!" do
    it "destructively maps" do
      expect(@gsl_wrapper.map! { |a| a += 1 }).to eq(
        Daru::Accessors::GSLWrapper.new([2,3,4,5,6,7], @stub_context)
      )
    end
  end

  context "#delete_at" do
    it "deletes at key" do
      expect(@gsl_wrapper.delete_at(2)).to eq(3)

      expect(@gsl_wrapper).to eq(
        Daru::Accessors::GSLWrapper.new([1,2,4,5,6], @stub_context)
      )
    end
  end

  context "#index" do
    it "returns index of value" do
      expect(@gsl_wrapper.index(3)).to eq(2)
    end
  end

  context "#push" do
    it "appends element" do
      expect(@gsl_wrapper.push(15)).to eq(
        Daru::Accessors::GSLWrapper.new([1,2,3,4,5,6,15], @stub_context)
      )
    end
  end
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
daru-0.2.2	spec/accessors/gsl_wrapper_spec.rb
daru-0.2.1	spec/accessors/gsl_wrapper_spec.rb
daru-0.2.0	spec/accessors/gsl_wrapper_spec.rb
daru-0.1.6	spec/accessors/gsl_wrapper_spec.rb
daru-0.1.5	spec/accessors/gsl_wrapper_spec.rb