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| 1 // Copyright (c) 2016 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "net/quic/quic_one_block_arena.h" | |
| 6 | |
| 7 #include "net/quic/interval_set.h" | |
| 8 #include "net/quic/quic_flags.h" | |
| 9 #include "net/quic/quic_utils.h" | |
| 10 #include "net/test/gtest_util.h" | |
| 11 #include "testing/gmock/include/gmock/gmock.h" | |
| 12 #include "testing/gtest/include/gtest/gtest.h" | |
| 13 | |
| 14 namespace net { | |
| 15 namespace { | |
| 16 | |
| 17 static const uint32_t kMaxAlign = 8; | |
| 18 | |
| 19 struct TestObject { | |
| 20 uint32_t value; | |
| 21 }; | |
| 22 | |
| 23 TEST(QuicOneBlockArenaTest, AllocateSuccess) { | |
| 24 QuicOneBlockArena<1024> arena; | |
| 25 QuicArenaScopedPtr<TestObject> ptr = arena.New<TestObject>(); | |
| 26 EXPECT_TRUE(ptr.is_from_arena()); | |
| 27 } | |
| 28 | |
| 29 TEST(QuicOneBlockArenaTest, Exhaust) { | |
| 30 QuicOneBlockArena<1024> arena; | |
| 31 for (size_t i = 0; i < 1024 / kMaxAlign; ++i) { | |
| 32 QuicArenaScopedPtr<TestObject> ptr = arena.New<TestObject>(); | |
| 33 EXPECT_TRUE(ptr.is_from_arena()); | |
| 34 } | |
| 35 QuicArenaScopedPtr<TestObject> ptr; | |
| 36 EXPECT_DFATAL(ptr = arena.New<TestObject>(), | |
| 37 "Ran out of space in QuicOneBlockArena"); | |
| 38 EXPECT_FALSE(ptr.is_from_arena()); | |
| 39 } | |
| 40 | |
| 41 TEST(QuicOneBlockArenaTest, NoOverlaps) { | |
| 42 QuicOneBlockArena<1024> arena; | |
| 43 std::vector<QuicArenaScopedPtr<TestObject>> objects; | |
| 44 IntervalSet<uintptr_t> used; | |
| 45 for (size_t i = 0; i < 1024 / kMaxAlign; ++i) { | |
| 46 QuicArenaScopedPtr<TestObject> ptr = arena.New<TestObject>(); | |
| 47 EXPECT_TRUE(ptr.is_from_arena()); | |
| 48 | |
| 49 uintptr_t begin = reinterpret_cast<uintptr_t>(ptr.get()); | |
| 50 uintptr_t end = begin + sizeof(TestObject); | |
| 51 EXPECT_FALSE(used.Contains(begin)); | |
| 52 EXPECT_FALSE(used.Contains(end - 1)); | |
| 53 used.Add(begin, end); | |
| 54 } | |
| 55 } | |
| 56 | |
| 57 } // namespace | |
| 58 } // namespace net | |
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