rocm-systems/projects/hip-tests/catch/unit/stream/hipStreamCopyAttributes.cc

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/**
 * @addtogroup hipStreamCopyAttributes hipStreamCopyAttributes
 * @{
 * @ingroup StreamTest
 * `hipStreamCopyAttributes (hipStream_t dst, hipStream_t src)` -
 * copies attributes from one stream to other 
 */

#include <hip_test_common.hh>

/**
 * Test Description
 * ------------------------
 *    - Test that creates two streams and copies attributes from one to another
 * ------------------------
 *    - catch\unit\stream\hipStreamCopyAttributes.cc
 * Test requirements
 * ------------------------
 *    - HIP_VERSION >= 7.2
 */

TEST_CASE("Unit_hipStreamCopyAttributes_Basic") {
  hipStream_t stream1, stream2, stream3, stream4;
  hipStreamAttrValue val1, val2;
  HIP_CHECK(hipStreamCreate(&stream1));
  HIP_CHECK(hipStreamCreate(&stream2));
 
  SECTION("Two Non Default Streams") {
    val1.syncPolicy = hipSyncPolicySpin;

    // Set the sync policy attribute of stream1 to hipSyncPolicySpin
    HIP_CHECK(hipStreamSetAttribute(stream1, hipStreamAttributeSynchronizationPolicy, &val1));

    // Copy attributes from stream1 to stream2
    HIP_CHECK(hipStreamCopyAttributes(stream2, stream1));

    // Query stream2 to verify the copied sync policy
    HIP_CHECK(hipStreamGetAttribute(stream2, hipStreamAttributeSynchronizationPolicy, &val2));

    REQUIRE(val2.syncPolicy == hipSyncPolicySpin);
  }

  SECTION("Copy attributes from Null Stream to Legacy Stream") {
    stream3 = nullptr;
    stream4 = hipStreamLegacy;
    val1.syncPolicy = hipSyncPolicyYield;

    // Set the sync policy attribute of stream1 to hipSyncPolicySpin
    HIP_CHECK(hipStreamSetAttribute(stream3, hipStreamAttributeSynchronizationPolicy, &val1));

    // Copy attributes from null stream to legacy stream
    HIP_CHECK(hipStreamCopyAttributes(stream4, stream3));

    // Query stream2 to verify the copied sync policy
    HIP_CHECK(hipStreamGetAttribute(stream4, hipStreamAttributeSynchronizationPolicy, &val2));

    REQUIRE(val2.syncPolicy == hipSyncPolicyYield);
  }

  SECTION("Copy attributes from streamperthread to another stream") {
    stream3 = hipStreamPerThread;
    val1.syncPolicy = hipSyncPolicyBlockingSync;

    // Set the sync policy attribute of stream1 to hipSyncPolicySpin
    HIP_CHECK(hipStreamSetAttribute(stream3, hipStreamAttributeSynchronizationPolicy, &val1));

    // Copy attributes from streamperthread to non default stream
    HIP_CHECK(hipStreamCopyAttributes(stream2, stream3));

    // Query stream2 to verify the copied sync policy
    HIP_CHECK(hipStreamGetAttribute(stream2, hipStreamAttributeSynchronizationPolicy, &val2));

    REQUIRE(val2.syncPolicy == hipSyncPolicyBlockingSync);
  }
 
  HIP_CHECK(hipStreamDestroy(stream1));
  HIP_CHECK(hipStreamDestroy(stream2));
}