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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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