diff options
Diffstat (limited to 'spec/ruby/library/matrix/divide_spec.rb')
-rw-r--r-- | spec/ruby/library/matrix/divide_spec.rb | 83 |
1 files changed, 40 insertions, 43 deletions
diff --git a/spec/ruby/library/matrix/divide_spec.rb b/spec/ruby/library/matrix/divide_spec.rb index 68e6f1fde5..2e3bb85bf6 100644 --- a/spec/ruby/library/matrix/divide_spec.rb +++ b/spec/ruby/library/matrix/divide_spec.rb @@ -1,57 +1,54 @@ require_relative '../../spec_helper' +require_relative 'spec_helper' +require_relative 'fixtures/classes' +require 'matrix' + +describe "Matrix#/" do + before :each do + @a = Matrix[ [1, 2], [3, 4] ] + @b = Matrix[ [4, 5], [6, 7] ] + @c = Matrix[ [1.2, 2.4], [3.6, 4.8] ] + end -ruby_version_is ""..."3.1" do - require_relative 'spec_helper' - require_relative 'fixtures/classes' - require 'matrix' + it "returns the result of dividing self by another Matrix" do + (@a / @b).should be_close_to_matrix([[2.5, -1.5], [1.5, -0.5]]) + end - describe "Matrix#/" do - before :each do - @a = Matrix[ [1, 2], [3, 4] ] - @b = Matrix[ [4, 5], [6, 7] ] - @c = Matrix[ [1.2, 2.4], [3.6, 4.8] ] + # Guard against the Mathn library + guard -> { !defined?(Math.rsqrt) } do + it "returns the result of dividing self by a Fixnum" do + (@a / 2).should == Matrix[ [0, 1], [1, 2] ] end - it "returns the result of dividing self by another Matrix" do - (@a / @b).should be_close_to_matrix([[2.5, -1.5], [1.5, -0.5]]) - end - - # Guard against the Mathn library - guard -> { !defined?(Math.rsqrt) } do - it "returns the result of dividing self by a Fixnum" do - (@a / 2).should == Matrix[ [0, 1], [1, 2] ] - end - - it "returns the result of dividing self by a Bignum" do - (@a / bignum_value).should == Matrix[ [0, 0], [0, 0] ] - end + it "returns the result of dividing self by a Bignum" do + (@a / bignum_value).should == Matrix[ [0, 0], [0, 0] ] end + end - it "returns the result of dividing self by a Float" do - (@c / 1.2).should == Matrix[ [1, 2], [3, 4] ] - end + it "returns the result of dividing self by a Float" do + (@c / 1.2).should == Matrix[ [1, 2], [3, 4] ] + end - it "raises a Matrix::ErrDimensionMismatch if the matrices are different sizes" do - -> { @a / Matrix[ [1] ] }.should raise_error(Matrix::ErrDimensionMismatch) - end + it "raises a Matrix::ErrDimensionMismatch if the matrices are different sizes" do + -> { @a / Matrix[ [1] ] }.should raise_error(Matrix::ErrDimensionMismatch) + end - it "returns an instance of Matrix" do - (@a / @b).should be_kind_of(Matrix) - end + it "returns an instance of Matrix" do + (@a / @b).should be_kind_of(Matrix) + end - describe "for a subclass of Matrix" do - it "returns an instance of that subclass" do - m = MatrixSub.ins - (m/m).should be_an_instance_of(MatrixSub) - (m/1).should be_an_instance_of(MatrixSub) - end + describe "for a subclass of Matrix" do + it "returns an instance of that subclass" do + m = MatrixSub.ins + (m/m).should be_an_instance_of(MatrixSub) + (m/1).should be_an_instance_of(MatrixSub) end + end - it "raises a TypeError if other is of wrong type" do - -> { @a / nil }.should raise_error(TypeError) - -> { @a / "a" }.should raise_error(TypeError) - -> { @a / [ [1, 2] ] }.should raise_error(TypeError) - -> { @a / Object.new }.should raise_error(TypeError) - end + it "raises a TypeError if other is of wrong type" do + -> { @a / nil }.should raise_error(TypeError) + -> { @a / "a" }.should raise_error(TypeError) + -> { @a / [ [1, 2] ] }.should raise_error(TypeError) + -> { @a / Object.new }.should raise_error(TypeError) end end |