1 files changed, 25 insertions, 0 deletions
diff --git a/spec/ruby/library/matrix/clone_spec.rb b/spec/ruby/library/matrix/clone_spec.rb
new file mode 100644
index 0000000000..8819fc9b40
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+++ b/spec/ruby/library/matrix/clone_spec.rb
@@ -0,0 +1,25 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+require 'matrix'
+
+describe "Matrix#clone" do
+  before :each do
+    @a = Matrix[[1, 2], [3, 4], [5, 6]]
+  end
+
+  it "returns a shallow copy of the matrix" do
+    b = @a.clone
+    @a.should_not equal(b)
+    b.should be_kind_of(Matrix)
+    b.should == @a
+    0.upto(@a.row_size - 1) do |i|
+      @a.row(i).should_not equal(b.row(i))
+    end
+  end
+
+  describe "for a subclass of Matrix" do
+    it "returns an instance of that subclass" do
+      MatrixSub.ins.clone.should be_an_instance_of(MatrixSub)
+    end
+  end
+end