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-rw-r--r--spec/ruby/library/matrix/transpose_spec.rb17
1 files changed, 15 insertions, 2 deletions
diff --git a/spec/ruby/library/matrix/transpose_spec.rb b/spec/ruby/library/matrix/transpose_spec.rb
index 79600dd439..0b24ab32a7 100644
--- a/spec/ruby/library/matrix/transpose_spec.rb
+++ b/spec/ruby/library/matrix/transpose_spec.rb
@@ -1,6 +1,19 @@
require_relative '../../spec_helper'
-require_relative 'shared/transpose'
+require_relative 'fixtures/classes'
describe "Matrix#transpose" do
- it_behaves_like :matrix_transpose, :transpose
+ it "returns a transposed matrix" do
+ Matrix[[1, 2], [3, 4], [5, 6]].transpose.should == Matrix[[1, 3, 5], [2, 4, 6]]
+ end
+
+ it "can transpose empty matrices" do
+ m = Matrix[[], [], []]
+ m.transpose.transpose.should == m
+ end
+
+ describe "for a subclass of Matrix" do
+ it "returns an instance of that subclass" do
+ MatrixSub.ins.transpose.should.instance_of?(MatrixSub)
+ end
+ end
end