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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
require 'matrix'
describe "Matrix#clone" do
before :each do
@a = Matrix[[1, 2], [3, 4], [5, 6]]
end
it "returns a shallow copy of the matrix" do
b = @a.clone
@a.should_not equal(b)
b.should be_kind_of(Matrix)
b.should == @a
0.upto(@a.row_size - 1) do |i|
@a.row(i).should_not equal(b.row(i))
end
end
describe "for a subclass of Matrix" do
it "returns an instance of that subclass" do
MatrixSub.ins.clone.should be_an_instance_of(MatrixSub)
end
end
end
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