spec/ruby/library/matrix/row_size_spec.rb


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require_relative '../../spec_helper'

ruby_version_is ""..."3.1" do
  require 'matrix'

  describe "Matrix#row_size" do
    it "returns the number rows" do
      Matrix[ [1,2], [3, 4], [5, 6] ].row_size.should == 3
    end

    it "returns the number rows even for some empty matrices" do
      Matrix[ [], [], [] ].row_size.should == 3
    end

  end
end