require_relative '../../spec_helper'
require 'matrix'

describe "Matrix#column_size" do
  it "returns the number of columns" do
    Matrix[ [1,2], [3,4] ].column_size.should == 2
  end

  it "returns 0 for empty matrices" do
    Matrix[ [], [] ].column_size.should == 0
    Matrix[ ].column_size.should == 0
  end
end
