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-rw-r--r--test/matrix/test_matrix.rb35
1 files changed, 35 insertions, 0 deletions
diff --git a/test/matrix/test_matrix.rb b/test/matrix/test_matrix.rb
index 3e1e0db91e4..eb62a326b64 100644
--- a/test/matrix/test_matrix.rb
+++ b/test/matrix/test_matrix.rb
@@ -1,6 +1,9 @@
require 'test/unit'
require 'matrix'
+class SubMatrix < Matrix
+end
+
class TestMatrix < Test::Unit::TestCase
def setup
@m1 = Matrix[[1,2,3], [4,5,6]]
@@ -9,6 +12,8 @@ class TestMatrix < Test::Unit::TestCase
@m4 = Matrix[[1.0, 2.0, 3.0], [4.0, 5.0, 6.0]]
@n1 = Matrix[[2,3,4], [5,6,7]]
@c1 = Matrix[[Complex(1,2), Complex(0,1), 0], [1, 2, 3]]
+ @e1 = Matrix.empty(2,0)
+ @e2 = Matrix.empty(0,3)
end
def test_matrix
@@ -499,4 +504,34 @@ class TestMatrix < Test::Unit::TestCase
end
assert_equal(1, s1 ** o)
end
+
+ def test_hstack
+ assert_equal Matrix[[1,2,3,2,3,4,1,2,3], [4,5,6,5,6,7,4,5,6]],
+ @m1.hstack(@n1, @m1)
+ # Error checking:
+ assert_raise(TypeError) { @m1.hstack(42) }
+ assert_raise(TypeError) { Matrix.hstack(42, @m1) }
+ assert_raise(Matrix::ErrDimensionMismatch) { @m1.hstack(Matrix.identity(3)) }
+ assert_raise(Matrix::ErrDimensionMismatch) { @e1.hstack(@e2) }
+ # Corner cases:
+ assert_equal @m1, @m1.hstack
+ assert_equal @e1, @e1.hstack(@e1)
+ assert_equal Matrix.empty(0,6), @e2.hstack(@e2)
+ assert_equal SubMatrix, SubMatrix.hstack(@e1).class
+ end
+
+ def test_vstack
+ assert_equal Matrix[[1,2,3], [4,5,6], [2,3,4], [5,6,7], [1,2,3], [4,5,6]],
+ @m1.vstack(@n1, @m1)
+ # Error checking:
+ assert_raise(TypeError) { @m1.vstack(42) }
+ assert_raise(TypeError) { Matrix.vstack(42, @m1) }
+ assert_raise(Matrix::ErrDimensionMismatch) { @m1.vstack(Matrix.identity(2)) }
+ assert_raise(Matrix::ErrDimensionMismatch) { @e1.vstack(@e2) }
+ # Corner cases:
+ assert_equal @m1, @m1.vstack
+ assert_equal Matrix.empty(4,0), @e1.vstack(@e1)
+ assert_equal @e2, @e2.vstack(@e2)
+ assert_equal SubMatrix, SubMatrix.vstack(@e1).class
+ end
end