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Diffstat (limited to '.venv/lib/python3.12/site-packages/numpy/core/tests/test_scalarinherit.py')
-rw-r--r-- | .venv/lib/python3.12/site-packages/numpy/core/tests/test_scalarinherit.py | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/numpy/core/tests/test_scalarinherit.py b/.venv/lib/python3.12/site-packages/numpy/core/tests/test_scalarinherit.py new file mode 100644 index 00000000..f9c574d5 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/numpy/core/tests/test_scalarinherit.py @@ -0,0 +1,98 @@ +""" Test printing of scalar types. + +""" +import pytest + +import numpy as np +from numpy.testing import assert_, assert_raises + + +class A: + pass +class B(A, np.float64): + pass + +class C(B): + pass +class D(C, B): + pass + +class B0(np.float64, A): + pass +class C0(B0): + pass + +class HasNew: + def __new__(cls, *args, **kwargs): + return cls, args, kwargs + +class B1(np.float64, HasNew): + pass + + +class TestInherit: + def test_init(self): + x = B(1.0) + assert_(str(x) == '1.0') + y = C(2.0) + assert_(str(y) == '2.0') + z = D(3.0) + assert_(str(z) == '3.0') + + def test_init2(self): + x = B0(1.0) + assert_(str(x) == '1.0') + y = C0(2.0) + assert_(str(y) == '2.0') + + def test_gh_15395(self): + # HasNew is the second base, so `np.float64` should have priority + x = B1(1.0) + assert_(str(x) == '1.0') + + # previously caused RecursionError!? + with pytest.raises(TypeError): + B1(1.0, 2.0) + + +class TestCharacter: + def test_char_radd(self): + # GH issue 9620, reached gentype_add and raise TypeError + np_s = np.bytes_('abc') + np_u = np.str_('abc') + s = b'def' + u = 'def' + assert_(np_s.__radd__(np_s) is NotImplemented) + assert_(np_s.__radd__(np_u) is NotImplemented) + assert_(np_s.__radd__(s) is NotImplemented) + assert_(np_s.__radd__(u) is NotImplemented) + assert_(np_u.__radd__(np_s) is NotImplemented) + assert_(np_u.__radd__(np_u) is NotImplemented) + assert_(np_u.__radd__(s) is NotImplemented) + assert_(np_u.__radd__(u) is NotImplemented) + assert_(s + np_s == b'defabc') + assert_(u + np_u == 'defabc') + + class MyStr(str, np.generic): + # would segfault + pass + + with assert_raises(TypeError): + # Previously worked, but gave completely wrong result + ret = s + MyStr('abc') + + class MyBytes(bytes, np.generic): + # would segfault + pass + + ret = s + MyBytes(b'abc') + assert(type(ret) is type(s)) + assert ret == b"defabc" + + def test_char_repeat(self): + np_s = np.bytes_('abc') + np_u = np.str_('abc') + res_s = b'abc' * 5 + res_u = 'abc' * 5 + assert_(np_s * 5 == res_s) + assert_(np_u * 5 == res_u) |