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-rw-r--r--.venv/lib/python3.12/site-packages/numpy/matrixlib/tests/test_multiarray.py16
1 files changed, 16 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/numpy/matrixlib/tests/test_multiarray.py b/.venv/lib/python3.12/site-packages/numpy/matrixlib/tests/test_multiarray.py
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+++ b/.venv/lib/python3.12/site-packages/numpy/matrixlib/tests/test_multiarray.py
@@ -0,0 +1,16 @@
+import numpy as np
+from numpy.testing import assert_, assert_equal, assert_array_equal
+
+class TestView:
+    def test_type(self):
+        x = np.array([1, 2, 3])
+        assert_(isinstance(x.view(np.matrix), np.matrix))
+
+    def test_keywords(self):
+        x = np.array([(1, 2)], dtype=[('a', np.int8), ('b', np.int8)])
+        # We must be specific about the endianness here:
+        y = x.view(dtype='<i2', type=np.matrix)
+        assert_array_equal(y, [[513]])
+
+        assert_(isinstance(y, np.matrix))
+        assert_equal(y.dtype, np.dtype('<i2'))