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Diffstat (limited to 'spec/rubyspec/library/matrix/permutation_spec.rb')
| -rw-r--r-- | spec/rubyspec/library/matrix/permutation_spec.rb | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/spec/rubyspec/library/matrix/permutation_spec.rb b/spec/rubyspec/library/matrix/permutation_spec.rb deleted file mode 100644 index 7098c46015..0000000000 --- a/spec/rubyspec/library/matrix/permutation_spec.rb +++ /dev/null @@ -1,32 +0,0 @@ -require File.expand_path('../../../spec_helper', __FILE__) -require 'matrix' - -describe "Matrix#permutation?" do - it "returns true for a permutation Matrix" do - Matrix[[0, 1, 0], [0, 0, 1], [1, 0, 0]].permutation?.should be_true - end - - it "returns false for a non permutation square Matrix" do - Matrix[[0, 1], [0, 0]].permutation?.should be_false - Matrix[[-1, 0], [0, -1]].permutation?.should be_false - Matrix[[1, 0], [1, 0]].permutation?.should be_false - Matrix[[1, 0], [1, 1]].permutation?.should be_false - end - - it "returns true for an empty 0x0 matrix" do - Matrix.empty(0,0).permutation?.should be_true - end - - it "raises an error for rectangular matrices" do - [ - Matrix[[0], [0]], - Matrix[[0, 0]], - Matrix.empty(0, 2), - Matrix.empty(2, 0), - ].each do |rectangual_matrix| - lambda { - rectangual_matrix.permutation? - }.should raise_error(Matrix::ErrDimensionMismatch) - end - end -end |