Add/Improve hipMalloc Tests (#2607)

[ROCm/hip commit: c698080863]

projects/hip/tests/catch/stress/memory/hipMalloc.cc

@@ -0,0 +1,50 @@
+/*
+   Copyright (c) 2022 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 WARRANNTY OF ANY KIND, EXPRESS OR
+   IMPLIED, INNCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   FITNNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANNY CLAIM, DAMAGES OR OTHER
+   LIABILITY, WHETHER INN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+   OUT OF OR INN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+   THE SOFTWARE.
+ */
+
+#include <hip_test_common.hh>
+
+#include <memory>
+
+// Stress allocation tests
+// Try to allocate as much memory as possible
+// But since max allocation can fail, we need to be happy with atleast 1/4th of memory
+TEST_CASE("Stress_hipMalloc_HighSizeAlloc") {
+  size_t devMemTotal{0}, devMemFree{0};
+  HIP_CHECK(hipMemGetInfo(&devMemFree, &devMemTotal));
+  REQUIRE(devMemFree > 0);
+  REQUIRE(devMemTotal > 0);
+
+  char* d_ptr{nullptr};
+  size_t counter{0};
+
+  INFO("Free Mem Available: " << devMemFree << " bytes out of " << devMemTotal << " bytes!");
+  while (hipMalloc(&d_ptr, devMemFree) != hipSuccess && devMemFree > 1) {
+    counter++;
+    devMemFree >>= 1;  // reduce the memory to be allocated by half
+    INFO("Attempt to allocate " << devMemFree << " bytes out of " << devMemTotal
+                                << " bytes failed!");
+    REQUIRE(counter <= 2);  // Make sure that we are atleast able to allocate 1/4th of max memory
+  }
+
+  HIP_CHECK(hipMemset(d_ptr, 1, devMemFree));
+  auto ptr = std::unique_ptr<unsigned char[]>{new unsigned char[devMemFree]};
+  HIP_CHECK(hipMemcpy(ptr.get(), d_ptr, devMemFree, hipMemcpyDeviceToHost));
+  HIP_CHECK(hipFree(d_ptr));
+  REQUIRE(std::all_of(ptr.get(), ptr.get() + devMemFree, [](unsigned char n) { return n == 1; }));
+}