diff options
Diffstat (limited to 'numpy/lib/tests/test_arraysetops.py')
| -rw-r--r-- | numpy/lib/tests/test_arraysetops.py | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/numpy/lib/tests/test_arraysetops.py b/numpy/lib/tests/test_arraysetops.py index 847e6cb8a..d62da9efb 100644 --- a/numpy/lib/tests/test_arraysetops.py +++ b/numpy/lib/tests/test_arraysetops.py @@ -358,6 +358,39 @@ class TestSetOps: result = np.in1d(ar1, ar2) assert_array_equal(result, expected) + def test_in1d_with_arrays_containing_tuples(self): + ar1 = np.array([(1,), 2], dtype=object) + ar2 = np.array([(1,), 2], dtype=object) + expected = np.array([True, True]) + result = np.in1d(ar1, ar2) + assert_array_equal(result, expected) + result = np.in1d(ar1, ar2, invert=True) + assert_array_equal(result, np.invert(expected)) + + # An integer is added at the end of the array to make sure + # that the array builder will create the array with tuples + # and after it's created the integer is removed. + # There's a bug in the array constructor that doesn't handle + # tuples properly and adding the integer fixes that. + ar1 = np.array([(1,), (2, 1), 1], dtype=object) + ar1 = ar1[:-1] + ar2 = np.array([(1,), (2, 1), 1], dtype=object) + ar2 = ar2[:-1] + expected = np.array([True, True]) + result = np.in1d(ar1, ar2) + assert_array_equal(result, expected) + result = np.in1d(ar1, ar2, invert=True) + assert_array_equal(result, np.invert(expected)) + + ar1 = np.array([(1,), (2, 3), 1], dtype=object) + ar1 = ar1[:-1] + ar2 = np.array([(1,), 2], dtype=object) + expected = np.array([True, False]) + result = np.in1d(ar1, ar2) + assert_array_equal(result, expected) + result = np.in1d(ar1, ar2, invert=True) + assert_array_equal(result, np.invert(expected)) + def test_union1d(self): a = np.array([5, 4, 7, 1, 2]) b = np.array([2, 4, 3, 3, 2, 1, 5]) @@ -531,6 +564,52 @@ class TestUnique: assert_equal(a3_idx.dtype, np.intp) assert_equal(a3_inv.dtype, np.intp) + # test for ticket 2111 - float + a = [2.0, np.nan, 1.0, np.nan] + ua = [1.0, 2.0, np.nan] + ua_idx = [2, 0, 1] + ua_inv = [1, 2, 0, 2] + ua_cnt = [1, 1, 2] + assert_equal(np.unique(a), ua) + assert_equal(np.unique(a, return_index=True), (ua, ua_idx)) + assert_equal(np.unique(a, return_inverse=True), (ua, ua_inv)) + assert_equal(np.unique(a, return_counts=True), (ua, ua_cnt)) + + # test for ticket 2111 - complex + a = [2.0-1j, np.nan, 1.0+1j, complex(0.0, np.nan), complex(1.0, np.nan)] + ua = [1.0+1j, 2.0-1j, complex(0.0, np.nan)] + ua_idx = [2, 0, 3] + ua_inv = [1, 2, 0, 2, 2] + ua_cnt = [1, 1, 3] + assert_equal(np.unique(a), ua) + assert_equal(np.unique(a, return_index=True), (ua, ua_idx)) + assert_equal(np.unique(a, return_inverse=True), (ua, ua_inv)) + assert_equal(np.unique(a, return_counts=True), (ua, ua_cnt)) + + # test for ticket 2111 - datetime64 + nat = np.datetime64('nat') + a = [np.datetime64('2020-12-26'), nat, np.datetime64('2020-12-24'), nat] + ua = [np.datetime64('2020-12-24'), np.datetime64('2020-12-26'), nat] + ua_idx = [2, 0, 1] + ua_inv = [1, 2, 0, 2] + ua_cnt = [1, 1, 2] + assert_equal(np.unique(a), ua) + assert_equal(np.unique(a, return_index=True), (ua, ua_idx)) + assert_equal(np.unique(a, return_inverse=True), (ua, ua_inv)) + assert_equal(np.unique(a, return_counts=True), (ua, ua_cnt)) + + # test for ticket 2111 - timedelta + nat = np.timedelta64('nat') + a = [np.timedelta64(1, 'D'), nat, np.timedelta64(1, 'h'), nat] + ua = [np.timedelta64(1, 'h'), np.timedelta64(1, 'D'), nat] + ua_idx = [2, 0, 1] + ua_inv = [1, 2, 0, 2] + ua_cnt = [1, 1, 2] + assert_equal(np.unique(a), ua) + assert_equal(np.unique(a, return_index=True), (ua, ua_idx)) + assert_equal(np.unique(a, return_inverse=True), (ua, ua_inv)) + assert_equal(np.unique(a, return_counts=True), (ua, ua_cnt)) + def test_unique_axis_errors(self): assert_raises(TypeError, self._run_axis_tests, object) assert_raises(TypeError, self._run_axis_tests, |