From 56ef43810bb41ed8955eb56560f71cf697df78c0 Mon Sep 17 00:00:00 2001
From: Marko Arandjelovic <marandje@amd.com>
Date: Thu, 25 Jul 2024 17:08:44 +0200
Subject: [PATCH] SWDEV-475749 - Add unit test for hipMallocHost

Change-Id: I0e94342ba68c12f64ac94a04a46f1c478e6f01be
---
 catch/unit/memory/CMakeLists.txt   |  1 +
 catch/unit/memory/hipMallocHost.cc | 73 ++++++++++++++++++++++++++++++
 2 files changed, 74 insertions(+)
 create mode 100644 catch/unit/memory/hipMallocHost.cc

diff --git a/catch/unit/memory/CMakeLists.txt b/catch/unit/memory/CMakeLists.txt
index a125dbd4fe..02a95b758c 100644
--- a/catch/unit/memory/CMakeLists.txt
+++ b/catch/unit/memory/CMakeLists.txt
@@ -62,6 +62,7 @@ set(TEST_SRC
     hipHostUnregister.cc
     hipHostGetFlags.cc
     hipHostGetDevicePointer.cc
+    hipMallocHost.cc
     hipMallocManaged_MultiScenario.cc
     hipMemsetNegative.cc
     hipMemset.cc
diff --git a/catch/unit/memory/hipMallocHost.cc b/catch/unit/memory/hipMallocHost.cc
new file mode 100644
index 0000000000..25da88df21
--- /dev/null
+++ b/catch/unit/memory/hipMallocHost.cc
@@ -0,0 +1,73 @@
+/*
+Copyright (c) 2024 Advanced Micro Devices, Inc. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#include <hip_test_common.hh>
+
+static __global__ void write_integer(int* memory, int value) { *memory = value; }
+
+TEST_CASE("Unit_hipMallocHost_Positive") {
+  int* host_memory = nullptr;
+
+  HIP_CHECK(hipMallocHost(reinterpret_cast<void**>(&host_memory), sizeof(int)));
+  REQUIRE(host_memory != nullptr);
+  HIP_CHECK(hipHostFree(host_memory));
+}
+
+TEST_CASE("Unit_hipMallocHost_DataValidation") {
+  int validation_number = 10;
+  int* host_memory = nullptr;
+  hipEvent_t event = nullptr;
+
+  HIP_CHECK(hipMallocHost(reinterpret_cast<void**>(&host_memory), sizeof(int)));
+
+  write_integer<<<1, 1>>>(host_memory, validation_number);
+
+  SECTION("device sync") { HIP_CHECK(hipDeviceSynchronize()); }
+
+  SECTION("event sync") {
+    HIP_CHECK(hipEventCreateWithFlags(&event, 0));
+    HIP_CHECK(hipEventRecord(event, nullptr));
+    HIP_CHECK(hipEventSynchronize(event));
+  }
+
+  SECTION("stream sync") { HIP_CHECK(hipStreamSynchronize(nullptr)); }
+
+  REQUIRE(*host_memory == validation_number);
+
+  if (event != nullptr) {
+    HIP_CHECK(hipEventDestroy(event));
+  }
+
+  HIP_CHECK(hipHostFree(host_memory));
+}
+
+TEST_CASE("Unit_hipMallocHost_Negative") {
+  int* host_memory = nullptr;
+
+  SECTION("host memory is nullptr") {
+    HIP_CHECK_ERROR(hipMallocHost(nullptr, sizeof(int)), hipErrorInvalidValue);
+  }
+
+  SECTION("size is negative") {
+    HIP_CHECK_ERROR(hipMallocHost(reinterpret_cast<void**>(&host_memory), -1), hipErrorOutOfMemory);
+  }
+}