| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "gtest/gtest.h" |
| |
| #include "chre/core/event.h" |
| #include "chre/platform/log.h" |
| #include "chre/platform/memory.h" |
| #include "chre/platform/memory_manager.h" |
| |
| using chre::kInvalidInstanceId; |
| using chre::MemoryManager; |
| using chre::Nanoapp; |
| |
| namespace { |
| struct node { |
| node *next; |
| }; |
| } // namespace |
| |
| TEST(MemoryManager, DefaultTotalMemoryAllocatedIsZero) { |
| MemoryManager manager; |
| EXPECT_EQ(manager.getTotalAllocatedBytes(), 0u); |
| } |
| |
| TEST(MemoryManager, BasicAllocationFree) { |
| MemoryManager manager; |
| Nanoapp app(kInvalidInstanceId); |
| void *ptr = manager.nanoappAlloc(&app, 1u); |
| EXPECT_NE(ptr, nullptr); |
| EXPECT_EQ(manager.getTotalAllocatedBytes(), 1u); |
| EXPECT_EQ(manager.getAllocationCount(), 1u); |
| manager.nanoappFree(&app, ptr); |
| EXPECT_EQ(manager.getTotalAllocatedBytes(), 0u); |
| EXPECT_EQ(manager.getAllocationCount(), 0u); |
| } |
| |
| TEST(MemoryManager, NullPointerFree) { |
| MemoryManager manager; |
| Nanoapp app(kInvalidInstanceId); |
| manager.nanoappFree(&app, nullptr); |
| EXPECT_EQ(manager.getTotalAllocatedBytes(), 0u); |
| EXPECT_EQ(manager.getAllocationCount(), 0u); |
| } |
| |
| TEST(MemoryManager, ZeroAllocationFails) { |
| MemoryManager manager; |
| Nanoapp app(kInvalidInstanceId); |
| void *ptr = manager.nanoappAlloc(&app, 0u); |
| EXPECT_EQ(ptr, nullptr); |
| EXPECT_EQ(manager.getTotalAllocatedBytes(), 0u); |
| EXPECT_EQ(manager.getAllocationCount(), 0u); |
| } |
| |
| TEST(MemoryManager, HugeAllocationFails) { |
| MemoryManager manager; |
| Nanoapp app(kInvalidInstanceId); |
| void *ptr = manager.nanoappAlloc(&app, manager.getMaxAllocationBytes() + 1); |
| EXPECT_EQ(ptr, nullptr); |
| EXPECT_EQ(manager.getTotalAllocatedBytes(), 0u); |
| } |
| |
| TEST(MemoryManager, ManyAllocationsTest) { |
| MemoryManager manager; |
| Nanoapp app(kInvalidInstanceId); |
| size_t maxCount = manager.getMaxAllocationCount(); |
| node *head = static_cast<node *>(manager.nanoappAlloc(&app, sizeof(node))); |
| node *curr = nullptr, *prev = head; |
| for (size_t i = 0; i < maxCount - 1; i++) { |
| curr = static_cast<node *>(manager.nanoappAlloc(&app, sizeof(node))); |
| EXPECT_NE(curr, nullptr); |
| prev->next = curr; |
| prev = curr; |
| } |
| EXPECT_EQ(manager.getTotalAllocatedBytes(), maxCount * sizeof(node)); |
| EXPECT_EQ(manager.getAllocationCount(), maxCount); |
| EXPECT_EQ(manager.nanoappAlloc(&app, 1u), nullptr); |
| |
| curr = head; |
| for (size_t i = 0; i < maxCount; i++) { |
| node *temp = curr->next; |
| manager.nanoappFree(&app, curr); |
| curr = temp; |
| } |
| EXPECT_EQ(manager.getTotalAllocatedBytes(), 0u); |
| EXPECT_EQ(manager.getAllocationCount(), 0u); |
| } |
| |
| TEST(MemoryManager, NegativeAllocationFails) { |
| MemoryManager manager; |
| Nanoapp app(kInvalidInstanceId); |
| void *ptr = manager.nanoappAlloc(&app, -1u); |
| EXPECT_EQ(ptr, nullptr); |
| EXPECT_EQ(manager.getTotalAllocatedBytes(), 0u); |
| EXPECT_EQ(manager.getAllocationCount(), 0u); |
| } |