Add 'projects/rocshmem/' from commit '0496586829058af5cfd7f23acda2a6d0040da584'

git-subtree-dir: projects/rocshmem
git-subtree-mainline: 5fd976da70
git-subtree-split: 0496586829

projects/rocshmem/tests/unit_tests/dlmalloc_gtest.cpp

@@ -0,0 +1,130 @@
+/******************************************************************************
+ * Copyright (c) Advanced Micro Devices, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * 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 "dlmalloc_gtest.hpp"
+#include <cstdint>
+
+using namespace rocshmem;
+
+// a small portion of the heap is not available due to cost of dlmalloc bookkeeping
+#define DLMALLOC_BOOKKEEPING static_cast<size_t>(128 * ALIGNMENT)
+
+TEST_F(DLMallocTestFixture, used_0_bytes) {
+  size_t heap_size{1 << 30};
+  ASSERT_LE(strat_.get_used(), DLMALLOC_BOOKKEEPING);
+  ASSERT_EQ(strat_.get_used() + strat_.get_avail(), heap_size);
+}
+
+TEST_F(DLMallocTestFixture, alloc_0_bytes) {
+  size_t initial_used{strat_.get_used()};
+  char* c_ptr{nullptr};
+  size_t size{0};
+  strat_.alloc(&c_ptr, size);
+  ASSERT_EQ(c_ptr, nullptr);
+  ASSERT_EQ(strat_.get_used(), initial_used);
+}
+
+TEST_F(DLMallocTestFixture, alloc_1_byte) {
+  char* c_ptr{nullptr};
+  size_t size{1};
+  strat_.alloc(&c_ptr, size);
+  ASSERT_NE(c_ptr, nullptr);
+}
+
+TEST_F(DLMallocTestFixture, alloc_128_bytes) {
+  char* c_ptr{nullptr};
+  size_t size{128};
+  strat_.alloc(&c_ptr, size);
+  ASSERT_NE(c_ptr, nullptr);
+}
+
+TEST_F(DLMallocTestFixture, alloc_256_bytes) {
+  char* c_ptr{nullptr};
+  size_t size{256};
+  strat_.alloc(&c_ptr, size);
+  ASSERT_NE(c_ptr, nullptr);
+}
+
+TEST_F(DLMallocTestFixture, alloc_512_bytes) {
+  char* c_ptr{nullptr};
+  size_t size{512};
+  strat_.alloc(&c_ptr, size);
+  ASSERT_NE(c_ptr, nullptr);
+}
+
+TEST_F(DLMallocTestFixture, alloc_513_bytes) {
+  char* c_ptr{nullptr};
+  size_t size{513};
+  strat_.alloc(&c_ptr, size);
+  ASSERT_NE(c_ptr, nullptr);
+}
+
+TEST_F(DLMallocTestFixture, alloc_4KB) {
+  char* c_ptr{nullptr};
+  size_t size{4096};
+  strat_.alloc(&c_ptr, size);
+  ASSERT_NE(c_ptr, nullptr);
+}
+
+TEST_F(DLMallocTestFixture, alloc_128KB) {
+  char* c_ptr{nullptr};
+  size_t size{131072};
+  strat_.alloc(&c_ptr, size);
+  ASSERT_NE(c_ptr, nullptr);
+}
+
+TEST_F(DLMallocTestFixture, alloc_1GB) {
+  char* c_ptr{nullptr};
+  size_t heap_size{1 << 30};
+  size_t size{heap_size - DLMALLOC_BOOKKEEPING};
+
+  strat_.alloc(&c_ptr, size);
+  ASSERT_NE(c_ptr, nullptr);
+  ASSERT_EQ(strat_.get_used() + strat_.get_avail(), heap_size);
+}
+
+TEST_F(DLMallocTestFixture, alloc_256_bytes_X2_free_256_bytes_X2) {
+  char* c_ptr_1{nullptr};
+  char* c_ptr_2{nullptr};
+  size_t size{256};
+  strat_.alloc(&c_ptr_1, size);
+  ASSERT_NE(c_ptr_1, nullptr);
+  strat_.alloc(&c_ptr_2, size);
+  ASSERT_NE(c_ptr_2, nullptr);
+
+  strat_.free(c_ptr_1);
+  strat_.free(c_ptr_2);
+}
+
+TEST_F(DLMallocTestFixture, alloc_1GB_free_1GB) {
+  char* c_ptr{nullptr};
+  size_t heap_size{1 << 30};
+  size_t size{heap_size - DLMALLOC_BOOKKEEPING};
+  strat_.alloc(&c_ptr, size);
+  ASSERT_NE(c_ptr, nullptr);
+  ASSERT_EQ(strat_.get_used() + strat_.get_avail(), heap_size);
+
+  strat_.free(c_ptr);
+}
+