| // Copyright (c) 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "quic/core/quic_one_block_arena.h" |
| |
| #include <cstdint> |
| |
| #include "quic/platform/api/quic_containers.h" |
| #include "quic/platform/api/quic_expect_bug.h" |
| #include "quic/platform/api/quic_test.h" |
| #include "quic/test_tools/quic_test_utils.h" |
| |
| namespace quic { |
| namespace { |
| |
| static const uint32_t kMaxAlign = 8; |
| |
| struct TestObject { |
| uint32_t value; |
| }; |
| |
| class QuicOneBlockArenaTest : public QuicTest {}; |
| |
| TEST_F(QuicOneBlockArenaTest, AllocateSuccess) { |
| QuicOneBlockArena<1024> arena; |
| QuicArenaScopedPtr<TestObject> ptr = arena.New<TestObject>(); |
| EXPECT_TRUE(ptr.is_from_arena()); |
| } |
| |
| TEST_F(QuicOneBlockArenaTest, Exhaust) { |
| QuicOneBlockArena<1024> arena; |
| for (size_t i = 0; i < 1024 / kMaxAlign; ++i) { |
| QuicArenaScopedPtr<TestObject> ptr = arena.New<TestObject>(); |
| EXPECT_TRUE(ptr.is_from_arena()); |
| } |
| QuicArenaScopedPtr<TestObject> ptr; |
| EXPECT_QUIC_BUG(ptr = arena.New<TestObject>(), |
| "Ran out of space in QuicOneBlockArena"); |
| EXPECT_FALSE(ptr.is_from_arena()); |
| } |
| |
| TEST_F(QuicOneBlockArenaTest, NoOverlaps) { |
| QuicOneBlockArena<1024> arena; |
| std::vector<QuicArenaScopedPtr<TestObject>> objects; |
| QuicIntervalSet<uintptr_t> used; |
| for (size_t i = 0; i < 1024 / kMaxAlign; ++i) { |
| QuicArenaScopedPtr<TestObject> ptr = arena.New<TestObject>(); |
| EXPECT_TRUE(ptr.is_from_arena()); |
| |
| uintptr_t begin = reinterpret_cast<uintptr_t>(ptr.get()); |
| uintptr_t end = begin + sizeof(TestObject); |
| EXPECT_FALSE(used.Contains(begin)); |
| EXPECT_FALSE(used.Contains(end - 1)); |
| used.Add(begin, end); |
| } |
| } |
| |
| } // namespace |
| } // namespace quic |