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-rw-r--r--test/matrix/test_matrix.rb9
1 files changed, 9 insertions, 0 deletions
diff --git a/test/matrix/test_matrix.rb b/test/matrix/test_matrix.rb
index 2d99cead42..79ae9b965b 100644
--- a/test/matrix/test_matrix.rb
+++ b/test/matrix/test_matrix.rb
@@ -62,6 +62,15 @@ class TestMatrix < Test::Unit::TestCase
assert_equal @m1.hash, @m3.hash
end
+ def test_uplus
+ assert_equal(@m1, +@m1)
+ end
+
+ def test_negate
+ assert_equal(Matrix[[-1, -2, -3], [-4, -5, -6]], -@m1)
+ assert_equal(@m1, -(-@m1))
+ end
+
def test_rank
[
[[0]],