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-rw-r--r--spec/ruby/library/matrix/shared/rectangular.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/spec/ruby/library/matrix/shared/rectangular.rb b/spec/ruby/library/matrix/shared/rectangular.rb
index 3d9a0dfe8a..0229e614c6 100644
--- a/spec/ruby/library/matrix/shared/rectangular.rb
+++ b/spec/ruby/library/matrix/shared/rectangular.rb
@@ -12,7 +12,7 @@ describe :matrix_rectangular, shared: true do
describe "for a subclass of Matrix" do
it "returns instances of that subclass" do
- MatrixSub.ins.send(@method).each{|m| m.should be_an_instance_of(MatrixSub) }
+ MatrixSub.ins.send(@method).each{|m| m.should.instance_of?(MatrixSub) }
end
end
end