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Issue 1660533002: Landing Recent QUIC changes until 01/26/2016 18:14 UTC (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 10 months ago
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1 // Copyright (c) 2016 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "net/quic/quic_one_block_arena.h" 5 #include "net/quic/quic_one_block_arena.h"
6 6
7 #include "net/quic/interval_set.h" 7 #include "net/quic/interval_set.h"
8 #include "net/quic/quic_flags.h" 8 #include "net/quic/quic_flags.h"
9 #include "net/quic/quic_utils.h" 9 #include "net/quic/quic_utils.h"
10 #include "net/test/gtest_util.h" 10 #include "net/test/gtest_util.h"
11 #include "testing/gmock/include/gmock/gmock.h" 11 #include "testing/gmock/include/gmock/gmock.h"
12 #include "testing/gtest/include/gtest/gtest.h" 12 #include "testing/gtest/include/gtest/gtest.h"
13 13
14 namespace net { 14 namespace net {
15 namespace { 15 namespace {
16 16
17 static const uint32_t kMaxAlign = 8; 17 static const uint32_t kMaxAlign = 8;
18 18
19 struct TestObject { 19 struct TestObject {
20 uint32_t value; 20 uint32_t value;
21 }; 21 };
22 22
23 TEST(QuicOneBlockArenaTest, AllocateSuccess) { 23 TEST(QuicOneBlockArenaTest, AllocateSuccess) {
24 FLAGS_quic_enable_arena_allocation = true;
25 QuicOneBlockArena<1024> arena; 24 QuicOneBlockArena<1024> arena;
26 QuicArenaScopedPtr<TestObject> ptr = arena.New<TestObject>(); 25 QuicArenaScopedPtr<TestObject> ptr = arena.New<TestObject>();
27 EXPECT_TRUE(ptr.is_from_arena()); 26 EXPECT_TRUE(ptr.is_from_arena());
28 } 27 }
29 28
30 TEST(QuicOneBlockArenaTest, Disabled) {
31 FLAGS_quic_enable_arena_allocation = false;
32 QuicOneBlockArena<1024> arena;
33 QuicArenaScopedPtr<TestObject> ptr = arena.New<TestObject>();
34 EXPECT_FALSE(ptr.is_from_arena());
35 }
36
37 TEST(QuicOneBlockArenaTest, Exhaust) { 29 TEST(QuicOneBlockArenaTest, Exhaust) {
38 FLAGS_quic_enable_arena_allocation = true;
39 QuicOneBlockArena<1024> arena; 30 QuicOneBlockArena<1024> arena;
40 for (size_t i = 0; i < 1024 / kMaxAlign; ++i) { 31 for (size_t i = 0; i < 1024 / kMaxAlign; ++i) {
41 QuicArenaScopedPtr<TestObject> ptr = arena.New<TestObject>(); 32 QuicArenaScopedPtr<TestObject> ptr = arena.New<TestObject>();
42 EXPECT_TRUE(ptr.is_from_arena()); 33 EXPECT_TRUE(ptr.is_from_arena());
43 } 34 }
44 QuicArenaScopedPtr<TestObject> ptr; 35 QuicArenaScopedPtr<TestObject> ptr;
45 EXPECT_DFATAL(ptr = arena.New<TestObject>(), 36 EXPECT_DFATAL(ptr = arena.New<TestObject>(),
46 "Ran out of space in QuicOneBlockArena"); 37 "Ran out of space in QuicOneBlockArena");
47 EXPECT_FALSE(ptr.is_from_arena()); 38 EXPECT_FALSE(ptr.is_from_arena());
48 } 39 }
49 40
50 TEST(QuicOneBlockArenaTest, NoOverlaps) { 41 TEST(QuicOneBlockArenaTest, NoOverlaps) {
51 FLAGS_quic_enable_arena_allocation = true;
52 QuicOneBlockArena<1024> arena; 42 QuicOneBlockArena<1024> arena;
53 std::vector<QuicArenaScopedPtr<TestObject>> objects; 43 std::vector<QuicArenaScopedPtr<TestObject>> objects;
54 IntervalSet<uintptr_t> used; 44 IntervalSet<uintptr_t> used;
55 for (size_t i = 0; i < 1024 / kMaxAlign; ++i) { 45 for (size_t i = 0; i < 1024 / kMaxAlign; ++i) {
56 QuicArenaScopedPtr<TestObject> ptr = arena.New<TestObject>(); 46 QuicArenaScopedPtr<TestObject> ptr = arena.New<TestObject>();
57 EXPECT_TRUE(ptr.is_from_arena()); 47 EXPECT_TRUE(ptr.is_from_arena());
58 48
59 uintptr_t begin = reinterpret_cast<uintptr_t>(ptr.get()); 49 uintptr_t begin = reinterpret_cast<uintptr_t>(ptr.get());
60 uintptr_t end = begin + sizeof(TestObject); 50 uintptr_t end = begin + sizeof(TestObject);
61 EXPECT_FALSE(used.Contains(begin)); 51 EXPECT_FALSE(used.Contains(begin));
62 EXPECT_FALSE(used.Contains(end - 1)); 52 EXPECT_FALSE(used.Contains(end - 1));
63 used.Add(begin, end); 53 used.Add(begin, end);
64 } 54 }
65 } 55 }
66 56
67 } // namespace 57 } // namespace
68 } // namespace net 58 } // namespace net
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