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Diffstat (limited to 'spec/ruby/library/matrix/shared/collect.rb')
-rw-r--r-- | spec/ruby/library/matrix/shared/collect.rb | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/spec/ruby/library/matrix/shared/collect.rb b/spec/ruby/library/matrix/shared/collect.rb new file mode 100644 index 0000000000..256cd6a190 --- /dev/null +++ b/spec/ruby/library/matrix/shared/collect.rb @@ -0,0 +1,26 @@ +require File.expand_path('../../fixtures/classes', __FILE__) +require 'matrix' + +describe :collect, shared: true do + before :all do + @m = Matrix[ [1, 2], [1, 2] ] + end + + it "returns an instance of Matrix" do + @m.send(@method){|n| n * 2 }.should be_kind_of(Matrix) + end + + it "returns a Matrix where each element is the result of the block" do + @m.send(@method) { |n| n * 2 }.should == Matrix[ [2, 4], [2, 4] ] + end + + it "returns an enumerator if no block is given" do + @m.send(@method).should be_an_instance_of(Enumerator) + end + + describe "for a subclass of Matrix" do + it "returns an instance of that subclass" do + MatrixSub.ins.send(@method){1}.should be_an_instance_of(MatrixSub) + end + end +end |