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| -rw-r--r-- | numpy/core/tests/test_deprecations.py | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/numpy/core/tests/test_deprecations.py b/numpy/core/tests/test_deprecations.py index 09bd5f553..ec33a9d97 100644 --- a/numpy/core/tests/test_deprecations.py +++ b/numpy/core/tests/test_deprecations.py @@ -1213,3 +1213,22 @@ class TestAxisNotMAXDIMS(_DeprecationTestCase): def test_deprecated(self): a = np.zeros((1,)*32) self.assert_deprecated(lambda: np.repeat(a, 1, axis=np.MAXDIMS)) + + +class TestLoadtxtParseIntsViaFloat(_DeprecationTestCase): + message = r"loadtxt\(\): Parsing an integer via a float Deprecated.*" + + @pytest.mark.parametrize("dtype", np.typecodes["AllInteger"]) + def test_deprecated_warning(self, dtype): + with pytest.warns(DeprecationWarning, match=self.message): + np.loadtxt(["10.5"], dtype=dtype) + + @pytest.mark.parametrize("dtype", np.typecodes["AllInteger"]) + def test_deprecated_raised(self, dtype): + # The DeprecationWarning is chained when raised, so test manually: + with warnings.catch_warnings(): + warnings.simplefilter("error", DeprecationWarning) + try: + np.loadtxt(["10.5"], dtype=dtype) + except ValueError as e: + assert isinstance(e.__cause__, DeprecationWarning) |