summaryrefslogtreecommitdiff
path: root/spec/ruby/library/matrix/row_vector_spec.rb
blob: 4c97d6013ad07d92c0604cf49130c2dac1e7a535 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
require_relative '../../spec_helper'

ruby_version_is ""..."3.1" do
  require_relative 'fixtures/classes'
  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

    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