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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
require 'matrix'
describe "Matrix.row_vector" do
it "returns a Matrix" do
Matrix.row_vector([]).should be_an_instance_of(Matrix)
end
it "returns a single-row Matrix with the specified values" do
Matrix.row_vector([1,2]).should == Matrix[ [1,2] ]
end
it "returns a 1x0 matrix when called with an empty Array" do
Matrix.row_vector([]).should == Matrix[ [] ]
end
ruby_version_is ""..."1.9" do
describe "for a subclass of Matrix" do
it "returns an instance of Matrix" do
MatrixSub.row_vector([1]).should be_an_instance_of(Matrix)
end
end
end
ruby_version_is "1.9" do
describe "for a subclass of Matrix" do
it "returns an instance of that subclass" do
MatrixSub.row_vector([1]).should be_an_instance_of(MatrixSub)
end
end
end
end
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