From 0815a8c8a31d0d16e3011db8f72cfdc750161c76 Mon Sep 17 00:00:00 2001 From: Shreyas Joshi Date: Wed, 21 Sep 2022 00:30:38 -0400 Subject: TST: add functional tests for kron --- numpy/lib/tests/test_shape_base.py | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) (limited to 'numpy/lib/tests') diff --git a/numpy/lib/tests/test_shape_base.py b/numpy/lib/tests/test_shape_base.py index 07960627b..76058cf20 100644 --- a/numpy/lib/tests/test_shape_base.py +++ b/numpy/lib/tests/test_shape_base.py @@ -644,6 +644,35 @@ class TestSqueeze: class TestKron: + def test_basic(self): + # Using 0-dimensional ndarray + a = np.array(1) + b = np.array([[1, 2], [3, 4]]) + k = np.array([[1, 2], [3, 4]]) + assert_array_equal(np.kron(a, b), k) + a = np.array([[1, 2], [3, 4]]) + b = np.array(1) + assert_array_equal(np.kron(a, b), k) + + # Using 1-dimensional ndarray + a = np.array([3]) + b = np.array([[1, 2], [3, 4]]) + k = np.array([[3, 6], [9, 12]]) + assert_array_equal(np.kron(a, b), k) + a = np.array([[1, 2], [3, 4]]) + b = np.array([3]) + assert_array_equal(np.kron(a, b), k) + + # Using 3-dimensional ndarray + a = np.array([[[1]], [[2]]]) + b = np.array([[1, 2], [3, 4]]) + k = np.array([[[1, 2], [3, 4]], [[2, 4], [6, 8]]]) + assert_array_equal(np.kron(a, b), k) + a = np.array([[1, 2], [3, 4]]) + b = np.array([[[1]], [[2]]]) + k = np.array([[[1, 2], [3, 4]], [[2, 4], [6, 8]]]) + assert_array_equal(np.kron(a, b), k) + def test_return_type(self): class myarray(np.ndarray): __array_priority__ = 1.0 -- cgit v1.2.1