1 // Protocol Buffers - Google's data interchange format
2 // Copyright 2008 Google Inc. All rights reserved.
3 // https://developers.google.com/protocol-buffers/
4 //
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are
7 // met:
8 //
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10 // notice, this list of conditions and the following disclaimer.
11 // * Redistributions in binary form must reproduce the above
12 // copyright notice, this list of conditions and the following disclaimer
13 // in the documentation and/or other materials provided with the
14 // distribution.
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16 // contributors may be used to endorse or promote products derived from
17 // this software without specific prior written permission.
18 //
19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
31 #include <google/protobuf/arena_test_util.h>
32 #include <google/protobuf/map_lite_test_util.h>
33 #include <gtest/gtest.h>
34
35 namespace google {
36 namespace protobuf {
37 namespace {
38
39 class LiteArenaTest : public testing::Test {
40 protected:
LiteArenaTest()41 LiteArenaTest() {
42 ArenaOptions options;
43 options.start_block_size = 128 * 1024;
44 options.max_block_size = 128 * 1024;
45 arena_.reset(new Arena(options));
46 // Trigger the allocation of the first arena block, so that further use of
47 // the arena will not require any heap allocations.
48 Arena::CreateArray<char>(arena_.get(), 1);
49 }
50
51 std::unique_ptr<Arena> arena_;
52 };
53
TEST_F(LiteArenaTest,MapNoHeapAllocation)54 TEST_F(LiteArenaTest, MapNoHeapAllocation) {
55 std::string data;
56 data.reserve(128 * 1024);
57
58 {
59 // TODO(teboring): Enable no heap check when ArenaStringPtr is used in
60 // Map.
61 // internal::NoHeapChecker no_heap;
62
63 protobuf_unittest::TestArenaMapLite* from =
64 Arena::CreateMessage<protobuf_unittest::TestArenaMapLite>(arena_.get());
65 MapLiteTestUtil::SetArenaMapFields(from);
66 from->SerializeToString(&data);
67
68 protobuf_unittest::TestArenaMapLite* to =
69 Arena::CreateMessage<protobuf_unittest::TestArenaMapLite>(arena_.get());
70 to->ParseFromString(data);
71 MapLiteTestUtil::ExpectArenaMapFieldsSet(*to);
72 }
73 }
74
TEST_F(LiteArenaTest,UnknownFieldMemLeak)75 TEST_F(LiteArenaTest, UnknownFieldMemLeak) {
76 protobuf_unittest::ForeignMessageArenaLite* message =
77 Arena::CreateMessage<protobuf_unittest::ForeignMessageArenaLite>(
78 arena_.get());
79 std::string data = "\012\000";
80 int original_capacity = data.capacity();
81 while (data.capacity() <= original_capacity) {
82 data.append("a");
83 }
84 data[1] = data.size() - 2;
85 message->ParseFromString(data);
86 }
87
88 } // namespace
89 } // namespace protobuf
90 } // namespace google
91