diff options
| author | Hiroshi SHIBATA <[email protected]> | 2021-05-26 20:36:23 +0900 |
|---|---|---|
| committer | Hiroshi SHIBATA <[email protected]> | 2021-05-27 14:42:11 +0900 |
| commit | 835a4956081e43ae21a78667f2b87f275467b70e (patch) | |
| tree | 62138643702c5ef21aa2f741fe1363d735437252 /spec/ruby/library/matrix/minor_spec.rb | |
| parent | 350bc29107e96871030ccffaf334c3e0a9d80f5f (diff) | |
Guard ruby/spec with spec/mspec/tool/wrap_with_guard.rb
Notes
Notes:
Merged: https://github.com/ruby/ruby/pull/4530
Diffstat (limited to 'spec/ruby/library/matrix/minor_spec.rb')
| -rw-r--r-- | spec/ruby/library/matrix/minor_spec.rb | 135 |
1 files changed, 69 insertions, 66 deletions
diff --git a/spec/ruby/library/matrix/minor_spec.rb b/spec/ruby/library/matrix/minor_spec.rb index 009826c3d6..0a6b0823c8 100644 --- a/spec/ruby/library/matrix/minor_spec.rb +++ b/spec/ruby/library/matrix/minor_spec.rb @@ -1,85 +1,88 @@ require_relative '../../spec_helper' -require_relative 'fixtures/classes' -require 'matrix' -describe "Matrix#minor" do - before :each do - @matrix = Matrix[ [1,2], [3,4], [5,6] ] - end +ruby_version_is ""..."3.1" do + require_relative 'fixtures/classes' + require 'matrix' - describe "with start_row, nrows, start_col, ncols" do - it "returns the given portion of the Matrix" do - @matrix.minor(0,1,0,2).should == Matrix[ [1, 2] ] - @matrix.minor(1,2,1,1).should == Matrix[ [4], [6] ] + describe "Matrix#minor" do + before :each do + @matrix = Matrix[ [1,2], [3,4], [5,6] ] end - it "returns an empty Matrix if nrows or ncols is 0" do - @matrix.minor(0,0,0,0).should == Matrix[] - @matrix.minor(1,0,1,0).should == Matrix[] - @matrix.minor(1,0,1,1).should == Matrix.columns([[]]) - @matrix.minor(1,1,1,0).should == Matrix[[]] - end + describe "with start_row, nrows, start_col, ncols" do + it "returns the given portion of the Matrix" do + @matrix.minor(0,1,0,2).should == Matrix[ [1, 2] ] + @matrix.minor(1,2,1,1).should == Matrix[ [4], [6] ] + end - it "returns nil for out-of-bounds start_row/col" do - r = @matrix.row_size + 1 - c = @matrix.column_size + 1 - @matrix.minor(r,0,0,10).should == nil - @matrix.minor(0,10,c,9).should == nil - @matrix.minor(-r,0,0,10).should == nil - @matrix.minor(0,10,-c,9).should == nil - end + it "returns an empty Matrix if nrows or ncols is 0" do + @matrix.minor(0,0,0,0).should == Matrix[] + @matrix.minor(1,0,1,0).should == Matrix[] + @matrix.minor(1,0,1,1).should == Matrix.columns([[]]) + @matrix.minor(1,1,1,0).should == Matrix[[]] + end - it "returns nil for negative nrows or ncols" do - @matrix.minor(0,1,0,-1).should == nil - @matrix.minor(0,-1,0,1).should == nil - end + it "returns nil for out-of-bounds start_row/col" do + r = @matrix.row_size + 1 + c = @matrix.column_size + 1 + @matrix.minor(r,0,0,10).should == nil + @matrix.minor(0,10,c,9).should == nil + @matrix.minor(-r,0,0,10).should == nil + @matrix.minor(0,10,-c,9).should == nil + end - it "start counting backwards for start_row or start_col below zero" do - @matrix.minor(0, 1, -1, 1).should == @matrix.minor(0, 1, 1, 1) - @matrix.minor(-1, 1, 0, 1).should == @matrix.minor(2, 1, 0, 1) - end + it "returns nil for negative nrows or ncols" do + @matrix.minor(0,1,0,-1).should == nil + @matrix.minor(0,-1,0,1).should == nil + end - it "returns empty matrices for extreme start_row/col" do - @matrix.minor(3,10,1,10).should == Matrix.columns([[]]) - @matrix.minor(1,10,2,10).should == Matrix[[], []] - @matrix.minor(3,0,0,10).should == Matrix.columns([[], []]) - end + it "start counting backwards for start_row or start_col below zero" do + @matrix.minor(0, 1, -1, 1).should == @matrix.minor(0, 1, 1, 1) + @matrix.minor(-1, 1, 0, 1).should == @matrix.minor(2, 1, 0, 1) + end - it "ignores big nrows or ncols" do - @matrix.minor(0,1,0,20).should == Matrix[ [1, 2] ] - @matrix.minor(1,20,1,1).should == Matrix[ [4], [6] ] - end - end + it "returns empty matrices for extreme start_row/col" do + @matrix.minor(3,10,1,10).should == Matrix.columns([[]]) + @matrix.minor(1,10,2,10).should == Matrix[[], []] + @matrix.minor(3,0,0,10).should == Matrix.columns([[], []]) + end - describe "with col_range, row_range" do - it "returns the given portion of the Matrix" do - @matrix.minor(0..0, 0..1).should == Matrix[ [1, 2] ] - @matrix.minor(1..2, 1..2).should == Matrix[ [4], [6] ] - @matrix.minor(1...3, 1...3).should == Matrix[ [4], [6] ] + it "ignores big nrows or ncols" do + @matrix.minor(0,1,0,20).should == Matrix[ [1, 2] ] + @matrix.minor(1,20,1,1).should == Matrix[ [4], [6] ] + end end - it "returns nil if col_range or row_range is out of range" do - r = @matrix.row_size + 1 - c = @matrix.column_size + 1 - @matrix.minor(r..6, c..6).should == nil - @matrix.minor(0..1, c..6).should == nil - @matrix.minor(r..6, 0..1).should == nil - @matrix.minor(-r..6, -c..6).should == nil - @matrix.minor(0..1, -c..6).should == nil - @matrix.minor(-r..6, 0..1).should == nil - end + describe "with col_range, row_range" do + it "returns the given portion of the Matrix" do + @matrix.minor(0..0, 0..1).should == Matrix[ [1, 2] ] + @matrix.minor(1..2, 1..2).should == Matrix[ [4], [6] ] + @matrix.minor(1...3, 1...3).should == Matrix[ [4], [6] ] + end - it "start counting backwards for col_range or row_range below zero" do - @matrix.minor(0..1, -2..-1).should == @matrix.minor(0..1, 0..1) - @matrix.minor(0..1, -2..1).should == @matrix.minor(0..1, 0..1) - @matrix.minor(-2..-1, 0..1).should == @matrix.minor(1..2, 0..1) - @matrix.minor(-2..2, 0..1).should == @matrix.minor(1..2, 0..1) + it "returns nil if col_range or row_range is out of range" do + r = @matrix.row_size + 1 + c = @matrix.column_size + 1 + @matrix.minor(r..6, c..6).should == nil + @matrix.minor(0..1, c..6).should == nil + @matrix.minor(r..6, 0..1).should == nil + @matrix.minor(-r..6, -c..6).should == nil + @matrix.minor(0..1, -c..6).should == nil + @matrix.minor(-r..6, 0..1).should == nil + end + + it "start counting backwards for col_range or row_range below zero" do + @matrix.minor(0..1, -2..-1).should == @matrix.minor(0..1, 0..1) + @matrix.minor(0..1, -2..1).should == @matrix.minor(0..1, 0..1) + @matrix.minor(-2..-1, 0..1).should == @matrix.minor(1..2, 0..1) + @matrix.minor(-2..2, 0..1).should == @matrix.minor(1..2, 0..1) + end end - end - describe "for a subclass of Matrix" do - it "returns an instance of that subclass" do - MatrixSub.ins.minor(0, 1, 0, 1).should be_an_instance_of(MatrixSub) + describe "for a subclass of Matrix" do + it "returns an instance of that subclass" do + MatrixSub.ins.minor(0, 1, 0, 1).should be_an_instance_of(MatrixSub) + end end end end |