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require_relative '../../spec_helper'
ruby_version_is ""..."3.1" do
require 'matrix'
describe "Matrix#square?" do
it "returns true when the Matrix is square" do
Matrix[ [1,2], [2,4] ].square?.should be_true
Matrix[ [100,3,5], [9.5, 4.9, 8], [2,0,77] ].square?.should be_true
end
it "returns true when the Matrix has only one element" do
Matrix[ [9] ].square?.should be_true
end
it "returns false when the Matrix is rectangular" do
Matrix[ [1, 2] ].square?.should be_false
end
it "returns false when the Matrix is rectangular" do
Matrix[ [1], [2] ].square?.should be_false
end
it "returns handles empty matrices" do
Matrix[].square?.should be_true
Matrix[[]].square?.should be_false
Matrix.columns([[]]).square?.should be_false
end
end
end
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