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Migrate T-digest test helpers to memory_resources #23608

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Migrate T-digest test helpers to memory_resources #23608

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ebc9efb
Migrate T-digest test helpers to memory_resources
bdice Aug 10, 2026
c8dee67
Merge remote-tracking branch 'origin/main' into test-mr-tdigest-main
nirandaperera Aug 18, 2026
b63ca1c
thread stream arg throguh
nirandaperera Aug 19, 2026
ac38b84
use basefixture
nirandaperera Aug 19, 2026
913cff7
Merge branch 'main' of github.com:rapidsai/cudf into test-mr-tdigest-…
nirandaperera Aug 19, 2026
f118cd8
Merge branch 'main' into test-mr-tdigest-main
bdice Aug 20, 2026
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6 changes: 5 additions & 1 deletion cpp/include/cudf_test/base_fixture.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,11 @@ struct BaseFixtureWithHarness : public BaseFixture {
*/
cudf::memory_resources resources() { return _harness.resources(); }

protected:
/**
* @brief Return the memory-resource harness used by this fixture.
*/
[[nodiscard]] memory_resource_test_harness& harness() noexcept { return _harness; }

memory_resource_test_harness _harness{mr()};
};

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24 changes: 18 additions & 6 deletions cpp/include/cudf_test/memory_resource_utilities.hpp
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Expand Up @@ -118,16 +118,28 @@ class memory_resource_test_harness {
/** @brief Synchronize `stream` before leaving a failing-resource API scope. */
void synchronize(cuda::stream_ref stream = cudf::test::get_default_stream()) const;

/** @brief Assert that output allocations are live after synchronizing `stream`. */
void expect_output_allocations_live(
/**
* @brief Assert that output allocations are live after synchronizing `stream`.
*
* @return Output-resource byte counters after the assertion
*/
rmm::mr::statistics_resource_adaptor::counter expect_output_allocations_live(
cuda::stream_ref stream = cudf::test::get_default_stream()) const;

/** @brief Assert that temporary allocations were made after synchronizing `stream`. */
void expect_temporary_allocation_activity(
/**
* @brief Assert that temporary allocations were made after synchronizing `stream`.
*
* @return Temporary-resource byte counters after the assertion
*/
rmm::mr::statistics_resource_adaptor::counter expect_temporary_allocation_activity(
cuda::stream_ref stream = cudf::test::get_default_stream()) const;

/** @brief Assert that no temporary allocations remain live after synchronizing `stream`. */
void expect_temporary_allocations_released(
/**
* @brief Assert that no temporary allocations remain live after synchronizing `stream`.
*
* @return Temporary-resource byte counters after the assertion
*/
rmm::mr::statistics_resource_adaptor::counter expect_temporary_allocations_released(
cuda::stream_ref stream = cudf::test::get_default_stream()) const;

/**
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