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venv/lib/python3.9/site-packages/scipy/misc/tests/test_common.py

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+from numpy.testing import assert_equal, assert_almost_equal, suppress_warnings
+
+from scipy.misc import face, ascent, electrocardiogram
+
+
+def test_face():
+    with suppress_warnings() as sup:
+        sup.filter(category=DeprecationWarning)
+        assert_equal(face().shape, (768, 1024, 3))
+
+
+def test_ascent():
+    with suppress_warnings() as sup:
+        sup.filter(category=DeprecationWarning)
+        assert_equal(ascent().shape, (512, 512))
+
+
+def test_electrocardiogram():
+    with suppress_warnings() as sup:
+        sup.filter(category=DeprecationWarning)
+        # Test shape, dtype and stats of signal
+        ecg = electrocardiogram()
+        assert ecg.dtype == float
+        assert_equal(ecg.shape, (108000,))
+        assert_almost_equal(ecg.mean(), -0.16510875)
+        assert_almost_equal(ecg.std(), 0.5992473991177294)