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Diffstat (limited to 'spec/ruby/library/matrix/column_vectors_spec.rb')
-rw-r--r-- | spec/ruby/library/matrix/column_vectors_spec.rb | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/spec/ruby/library/matrix/column_vectors_spec.rb b/spec/ruby/library/matrix/column_vectors_spec.rb new file mode 100644 index 0000000000..8af64f83c8 --- /dev/null +++ b/spec/ruby/library/matrix/column_vectors_spec.rb @@ -0,0 +1,26 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require 'matrix' + +describe "Matrix#column_vectors" do + + before :each do + @vectors = Matrix[ [1,2], [3,4] ].column_vectors + end + + it "returns an Array" do + Matrix[ [1,2], [3,4] ].column_vectors.should be_an_instance_of(Array) + end + + it "returns an Array of Vectors" do + @vectors.all? {|v| v.should be_an_instance_of(Vector)} + end + + it "returns each column as a Vector" do + @vectors.should == [Vector[1,3], Vector[2,4]] + end + + it "returns an empty Array for empty matrices" do + Matrix[ [] ].column_vectors.should == [] + end + +end |