mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
26 lines
745 B
Ruby
26 lines
745 B
Ruby
|
require File.expand_path('../../../spec_helper', __FILE__)
|
||
|
|
require File.expand_path('../fixtures/classes', __FILE__)
|
||
|
|
require 'matrix'
|
||
|
|
|
||
|
|
describe "Matrix.column_vector" do
|
||
|
|
|
||
|
|
it "returns a single column Matrix when called with an Array" do
|
||
|
|
m = Matrix.column_vector([4,5,6])
|
||
|
|
m.should be_an_instance_of(Matrix)
|
||
|
|
m.should == Matrix[ [4],[5],[6] ]
|
||
|
|
end
|
||
|
|
|
||
|
|
it "returns an empty Matrix when called with an empty Array" do
|
||
|
|
m = Matrix.column_vector([])
|
||
|
|
m.should be_an_instance_of(Matrix)
|
||
|
|
m.row_size.should == 0
|
||
|
|
m.column_size.should == 1
|
||
|
|
end
|
||
|
|
|
||
|
|
describe "for a subclass of Matrix" do
|
||
|
|
it "returns an instance of that subclass" do
|
||
|
|
MatrixSub.column_vector([4,5,6]).should be_an_instance_of(MatrixSub)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|