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ENH: test_tile: check the shapes #376

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May 16, 2025
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ENH: test_tile: check the shapes #376

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18 changes: 16 additions & 2 deletions array_api_tests/test_manipulation_functions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -467,10 +467,24 @@ def test_stack(shape, dtypes, kw, data):
@pytest.mark.min_version("2023.12")
@given(x=hh.arrays(dtype=hh.all_dtypes, shape=hh.shapes()), data=st.data())
def test_tile(x, data):
repetitions = data.draw(st.lists(st.integers(1, 4), min_size=1, max_size=x.ndim + 1).map(tuple), label="repetitions")
repetitions = data.draw(
st.lists(st.integers(1, 4), min_size=1, max_size=x.ndim + 1).map(tuple),
label="repetitions"
)
out = xp.tile(x, repetitions)
ph.assert_dtype("tile", in_dtype=x.dtype, out_dtype=out.dtype)
# TODO: shapes and values testing
# TODO: values testing

# shape check; the notation is from the Array API docs
N, M = len(x.shape), len(repetitions)
if N > M:
S = x.shape
R = (1,)*(N - M) + repetitions
else:
S = (1,)*(M - N) + x.shape
R = repetitions

assert out.shape == tuple(r*s for r, s in zip(R, S))


@pytest.mark.min_version("2023.12")
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