1 files changed, 66 insertions, 69 deletions
diff --git a/spec/ruby/library/matrix/minor_spec.rb b/spec/ruby/library/matrix/minor_spec.rb
index 0a6b0823c8..009826c3d6 100644
--- a/spec/ruby/library/matrix/minor_spec.rb
+++ b/spec/ruby/library/matrix/minor_spec.rb
@@ -1,88 +1,85 @@
 require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require 'matrix'
 
-ruby_version_is ""..."3.1" do
-  require_relative 'fixtures/classes'
-  require 'matrix'
+describe "Matrix#minor" do
+  before :each do
+    @matrix = Matrix[ [1,2], [3,4], [5,6] ]
+  end
 
-  describe "Matrix#minor" do
-    before :each do
-      @matrix = Matrix[ [1,2], [3,4], [5,6] ]
+  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
 
-    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 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 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 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 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 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 negative nrows or ncols" do
+      @matrix.minor(0,1,0,-1).should == nil
+      @matrix.minor(0,-1,0,1).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 "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 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 "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 "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
+    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
 
-    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
+  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 "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 "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
+    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
 
-    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
+  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