| // Copyright 2020 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 "host-common/HostmemIdMapping.h" |
| |
| #include <gtest/gtest.h> |
| |
| using android::emulation::HostmemIdMapping; |
| |
| // Tests creation and destruction. |
| TEST(HostmemIdMapping, Basic) { |
| HostmemIdMapping m; |
| } |
| |
| // Tests basic operations on an entry: add, remove, get entry info |
| TEST(HostmemIdMapping, BasicEntry) { |
| HostmemIdMapping m; |
| { |
| MemEntry entry{ |
| .hva = (void *)(uintptr_t)0, |
| .size = 1, |
| .register_fixed = 0, |
| .fixed_id = 0, |
| .caching = MAP_CACHE_NONE, |
| }; |
| auto id = m.add(&entry); |
| EXPECT_EQ(HostmemIdMapping::kInvalidHostmemId, id); |
| } |
| { |
| MemEntry entry{ |
| .hva = (void *)(uintptr_t) 1, |
| .size = 0, |
| .register_fixed = 0, |
| .fixed_id = 0, |
| .caching = MAP_CACHE_NONE, |
| }; |
| auto id = m.add(&entry); |
| EXPECT_EQ(HostmemIdMapping::kInvalidHostmemId, id); |
| } |
| { |
| MemEntry inputEntry{ |
| .hva = (void *)(uintptr_t) 1, |
| .size = 2, |
| .register_fixed = 0, |
| .fixed_id = 0, |
| .caching = MAP_CACHE_NONE, |
| }; |
| auto id = m.add(&inputEntry); |
| EXPECT_NE(HostmemIdMapping::kInvalidHostmemId, id); |
| |
| auto entry = m.get(id); |
| EXPECT_EQ(id, entry.id); |
| EXPECT_EQ(1, (uint64_t)(uintptr_t)entry.hva); |
| EXPECT_EQ(2, entry.size); |
| |
| m.remove(id); |
| |
| entry = m.get(id); |
| |
| EXPECT_EQ(HostmemIdMapping::kInvalidHostmemId, entry.id); |
| EXPECT_EQ(0, (uint64_t)(uintptr_t)entry.hva); |
| EXPECT_EQ(0, entry.size); |
| } |
| } |
| |
| // Tests the clear() method. |
| TEST(HostmemIdMapping, Clear) { |
| HostmemIdMapping m; |
| MemEntry entry1{ |
| .hva = (void *)(uintptr_t) 1, |
| .size = 2, |
| .register_fixed = 0, |
| .fixed_id = 0, |
| .caching = MAP_CACHE_NONE, |
| }; |
| auto id1 = m.add(&entry1); |
| MemEntry entry2{ |
| .hva = (void *)(uintptr_t) 3, |
| .size = 4, |
| .register_fixed = 0, |
| .fixed_id = 0, |
| .caching = MAP_CACHE_NONE, |
| }; |
| auto id2 = m.add(&entry2); |
| |
| m.clear(); |
| |
| auto entry = m.get(id1); |
| EXPECT_EQ(HostmemIdMapping::kInvalidHostmemId, entry.id); |
| EXPECT_EQ(0, (uint64_t)(uintptr_t)entry.hva); |
| EXPECT_EQ(0, entry.size); |
| |
| entry = m.get(id2); |
| EXPECT_EQ(HostmemIdMapping::kInvalidHostmemId, entry.id); |
| EXPECT_EQ(0, (uint64_t)(uintptr_t)entry.hva); |
| EXPECT_EQ(0, entry.size); |
| } |
| |