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Move spec/rubyspec to spec/ruby for consistency

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* Other ruby implementations use the spec/ruby directory.
  [Misc #13792] [ruby-core:82287]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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eregon 2017-09-20 20:18:52 +00:00
parent 75bfc6440d
commit 1d15d5f080
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spec/ruby/library/matrix/singular_spec.rb Normal file
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require File.expand_path('../../../spec_helper', __FILE__)
require 'matrix'
describe "Matrix#singular?" do
it "returns true for singular matrices" do
m = Matrix[ [1,2,3], [3,4,3], [0,0,0] ]
m.singular?.should be_true
m = Matrix[ [1,2,9], [3,4,9], [1,2,9] ]
m.singular?.should be_true
end
it "returns false if the Matrix is regular" do
Matrix[ [0,1], [1,0] ].singular?.should be_false
end
it "returns false for an empty 0x0 matrix" do
Matrix.empty(0,0).singular?.should be_false
end
it "raises an error for rectangular matrices" do
lambda {
Matrix[[1], [2], [3]].singular?
}.should raise_error(Matrix::ErrDimensionMismatch)
lambda {
Matrix.empty(3,0).singular?
}.should raise_error(Matrix::ErrDimensionMismatch)
end
end