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ARROW-1735: [C++] Add test sliced Array cast #1368

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ARROW-1735: [C++] Add test sliced Array cast #1368

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5 changes: 5 additions & 0 deletions cpp/src/arrow/compute/compute-test.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -69,6 +69,11 @@ class TestCast : public ComputeFixture, public TestBase {
std::shared_ptr<Array> result;
ASSERT_OK(Cast(&ctx_, input, out_type, options, &result));
ASSERT_ARRAYS_EQUAL(expected, *result);

std::shared_ptr<Array> result_sliced;
int64_t offset = input.length()/2;
ASSERT_OK(Cast(&ctx_, *input.Slice(offset), out_type, options, &result_sliced));
ASSERT_ARRAYS_EQUAL(*expected.Slice(offset), *result_sliced);
}

template <typename InType, typename I_TYPE>
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