license.bot | f003cfe | 2008-08-24 09:55:55 +0900 | [diff] [blame^] | 1 | // Copyright (c) 2006-2008 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. |
deanm@google.com | 75df310 | 2008-08-07 22:40:16 +0900 | [diff] [blame] | 4 | |
| 5 | #include <string> |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 6 | |
| 7 | #include "base/basictypes.h" |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 8 | #include "base/logging.h" |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 9 | #include "base/pickle.h" |
deanm@google.com | 75df310 | 2008-08-07 22:40:16 +0900 | [diff] [blame] | 10 | #include "base/scoped_ptr.h" |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 11 | #include "testing/gtest/include/gtest/gtest.h" |
| 12 | |
| 13 | namespace { |
| 14 | |
| 15 | const int testint = 2093847192; |
| 16 | const std::string teststr("Hello world"); // note non-aligned string length |
| 17 | const std::wstring testwstr(L"Hello, world"); |
| 18 | const char testdata[] = "AAA\0BBB\0"; |
| 19 | const int testdatalen = arraysize(testdata) - 1; |
| 20 | const bool testbool1 = false; |
| 21 | const bool testbool2 = true; |
| 22 | |
| 23 | // checks that the result |
| 24 | void VerifyResult(const Pickle& pickle) { |
| 25 | void* iter = NULL; |
| 26 | |
| 27 | int outint; |
| 28 | EXPECT_TRUE(pickle.ReadInt(&iter, &outint)); |
| 29 | EXPECT_EQ(testint, outint); |
| 30 | |
| 31 | std::string outstr; |
| 32 | EXPECT_TRUE(pickle.ReadString(&iter, &outstr)); |
| 33 | EXPECT_EQ(teststr, outstr); |
| 34 | |
| 35 | std::wstring outwstr; |
| 36 | EXPECT_TRUE(pickle.ReadWString(&iter, &outwstr)); |
| 37 | EXPECT_EQ(testwstr, outwstr); |
| 38 | |
| 39 | bool outbool; |
| 40 | EXPECT_TRUE(pickle.ReadBool(&iter, &outbool)); |
| 41 | EXPECT_EQ(testbool1, outbool); |
| 42 | EXPECT_TRUE(pickle.ReadBool(&iter, &outbool)); |
| 43 | EXPECT_EQ(testbool2, outbool); |
| 44 | |
| 45 | const char* outdata; |
| 46 | int outdatalen; |
| 47 | EXPECT_TRUE(pickle.ReadData(&iter, &outdata, &outdatalen)); |
| 48 | EXPECT_EQ(testdatalen, outdatalen); |
| 49 | EXPECT_EQ(memcmp(testdata, outdata, outdatalen), 0); |
| 50 | |
| 51 | EXPECT_TRUE(pickle.ReadData(&iter, &outdata, &outdatalen)); |
| 52 | EXPECT_EQ(testdatalen, outdatalen); |
| 53 | EXPECT_EQ(memcmp(testdata, outdata, outdatalen), 0); |
| 54 | |
| 55 | // reads past the end should fail |
| 56 | EXPECT_FALSE(pickle.ReadInt(&iter, &outint)); |
| 57 | } |
| 58 | |
| 59 | } // namespace |
| 60 | |
| 61 | TEST(PickleTest, EncodeDecode) { |
| 62 | Pickle pickle; |
| 63 | |
| 64 | EXPECT_TRUE(pickle.WriteInt(testint)); |
| 65 | EXPECT_TRUE(pickle.WriteString(teststr)); |
| 66 | EXPECT_TRUE(pickle.WriteWString(testwstr)); |
| 67 | EXPECT_TRUE(pickle.WriteBool(testbool1)); |
| 68 | EXPECT_TRUE(pickle.WriteBool(testbool2)); |
| 69 | EXPECT_TRUE(pickle.WriteData(testdata, testdatalen)); |
| 70 | |
deanm@google.com | 75df310 | 2008-08-07 22:40:16 +0900 | [diff] [blame] | 71 | // Over allocate BeginWriteData so we can test TrimWriteData. |
| 72 | char* dest = pickle.BeginWriteData(testdatalen + 100); |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 73 | EXPECT_TRUE(dest); |
| 74 | memcpy(dest, testdata, testdatalen); |
| 75 | |
deanm@google.com | 75df310 | 2008-08-07 22:40:16 +0900 | [diff] [blame] | 76 | pickle.TrimWriteData(testdatalen); |
| 77 | |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 78 | VerifyResult(pickle); |
| 79 | |
| 80 | // test copy constructor |
| 81 | Pickle pickle2(pickle); |
| 82 | VerifyResult(pickle2); |
| 83 | |
| 84 | // test operator= |
| 85 | Pickle pickle3; |
| 86 | pickle3 = pickle; |
| 87 | VerifyResult(pickle3); |
| 88 | } |
| 89 | |
| 90 | TEST(PickleTest, ZeroLenStr) { |
| 91 | Pickle pickle; |
| 92 | EXPECT_TRUE(pickle.WriteString("")); |
| 93 | |
| 94 | void* iter = NULL; |
| 95 | std::string outstr; |
| 96 | EXPECT_TRUE(pickle.ReadString(&iter, &outstr)); |
| 97 | EXPECT_EQ("", outstr); |
| 98 | } |
| 99 | |
| 100 | TEST(PickleTest, ZeroLenWStr) { |
| 101 | Pickle pickle; |
| 102 | EXPECT_TRUE(pickle.WriteWString(L"")); |
| 103 | |
| 104 | void* iter = NULL; |
| 105 | std::string outstr; |
| 106 | EXPECT_TRUE(pickle.ReadString(&iter, &outstr)); |
| 107 | EXPECT_EQ("", outstr); |
| 108 | } |
| 109 | |
| 110 | TEST(PickleTest, BadLenStr) { |
| 111 | Pickle pickle; |
| 112 | EXPECT_TRUE(pickle.WriteInt(-2)); |
| 113 | |
| 114 | void* iter = NULL; |
| 115 | std::string outstr; |
| 116 | EXPECT_FALSE(pickle.ReadString(&iter, &outstr)); |
| 117 | } |
| 118 | |
| 119 | TEST(PickleTest, BadLenWStr) { |
| 120 | Pickle pickle; |
| 121 | EXPECT_TRUE(pickle.WriteInt(-1)); |
| 122 | |
| 123 | void* iter = NULL; |
| 124 | std::wstring woutstr; |
| 125 | EXPECT_FALSE(pickle.ReadWString(&iter, &woutstr)); |
| 126 | } |
| 127 | |
| 128 | TEST(PickleTest, FindNext) { |
| 129 | Pickle pickle; |
| 130 | EXPECT_TRUE(pickle.WriteInt(1)); |
| 131 | EXPECT_TRUE(pickle.WriteString("Domo")); |
| 132 | |
| 133 | const char* start = reinterpret_cast<const char*>(pickle.data()); |
| 134 | const char* end = start + pickle.size(); |
| 135 | |
| 136 | EXPECT_TRUE(end == Pickle::FindNext(pickle.header_size_, start, end)); |
| 137 | EXPECT_TRUE(NULL == Pickle::FindNext(pickle.header_size_, start, end - 1)); |
| 138 | EXPECT_TRUE(end == Pickle::FindNext(pickle.header_size_, start, end + 1)); |
| 139 | } |
| 140 | |
| 141 | TEST(PickleTest, IteratorHasRoom) { |
| 142 | Pickle pickle; |
| 143 | EXPECT_TRUE(pickle.WriteInt(1)); |
| 144 | EXPECT_TRUE(pickle.WriteInt(2)); |
| 145 | |
| 146 | const void* iter = 0; |
| 147 | EXPECT_FALSE(pickle.IteratorHasRoomFor(iter, 1)); |
| 148 | iter = pickle.payload(); |
| 149 | EXPECT_TRUE(pickle.IteratorHasRoomFor(iter, 0)); |
| 150 | EXPECT_TRUE(pickle.IteratorHasRoomFor(iter, 1)); |
| 151 | EXPECT_FALSE(pickle.IteratorHasRoomFor(iter, -1)); |
| 152 | EXPECT_TRUE(pickle.IteratorHasRoomFor(iter, sizeof(int) * 2)); |
| 153 | EXPECT_FALSE(pickle.IteratorHasRoomFor(iter, (sizeof(int) * 2) + 1)); |
| 154 | } |
| 155 | |
| 156 | TEST(PickleTest, Resize) { |
darin@google.com | cf7eff4 | 2008-08-15 10:05:11 +0900 | [diff] [blame] | 157 | size_t unit = Pickle::kPayloadUnit; |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 158 | scoped_array<char> data(new char[unit]); |
| 159 | char* data_ptr = data.get(); |
darin@google.com | cf7eff4 | 2008-08-15 10:05:11 +0900 | [diff] [blame] | 160 | for (size_t i = 0; i < unit; i++) |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 161 | data_ptr[i] = 'G'; |
| 162 | |
| 163 | // construct a message that will be exactly the size of one payload unit, |
| 164 | // note that any data will have a 4-byte header indicating the size |
darin@google.com | cf7eff4 | 2008-08-15 10:05:11 +0900 | [diff] [blame] | 165 | const size_t payload_size_after_header = unit - sizeof(uint32); |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 166 | Pickle pickle; |
darin@google.com | 2c7afc1 | 2008-08-15 10:40:41 +0900 | [diff] [blame] | 167 | pickle.WriteData(data_ptr, |
| 168 | static_cast<int>(payload_size_after_header - sizeof(uint32))); |
darin@google.com | cf7eff4 | 2008-08-15 10:05:11 +0900 | [diff] [blame] | 169 | size_t cur_payload = payload_size_after_header; |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 170 | |
| 171 | EXPECT_EQ(pickle.capacity(), unit); |
| 172 | EXPECT_EQ(pickle.payload_size(), payload_size_after_header); |
| 173 | |
| 174 | // fill out a full page (noting data header) |
darin@google.com | 2c7afc1 | 2008-08-15 10:40:41 +0900 | [diff] [blame] | 175 | pickle.WriteData(data_ptr, static_cast<int>(unit - sizeof(uint32))); |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 176 | cur_payload += unit; |
darin@google.com | cf7eff4 | 2008-08-15 10:05:11 +0900 | [diff] [blame] | 177 | EXPECT_EQ(unit * 2, pickle.capacity()); |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 178 | EXPECT_EQ(cur_payload, pickle.payload_size()); |
| 179 | |
| 180 | // one more byte should expand the capacity by one unit |
| 181 | pickle.WriteData(data_ptr, 1); |
| 182 | cur_payload += 5; |
| 183 | EXPECT_EQ(unit * 3, pickle.capacity()); |
| 184 | EXPECT_EQ(cur_payload, pickle.payload_size()); |
| 185 | } |
| 186 | |
deanm@google.com | 75df310 | 2008-08-07 22:40:16 +0900 | [diff] [blame] | 187 | namespace { |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 188 | |
deanm@google.com | 75df310 | 2008-08-07 22:40:16 +0900 | [diff] [blame] | 189 | struct CustomHeader : Pickle::Header { |
| 190 | int blah; |
| 191 | }; |
| 192 | |
| 193 | } // namespace |
| 194 | |
| 195 | TEST(PickleTest, HeaderPadding) { |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 196 | const uint32 kMagic = 0x12345678; |
| 197 | |
| 198 | Pickle pickle(sizeof(CustomHeader)); |
| 199 | pickle.WriteInt(kMagic); |
| 200 | |
| 201 | // this should not overwrite the 'int' payload |
| 202 | pickle.headerT<CustomHeader>()->blah = 10; |
| 203 | |
| 204 | void* iter = NULL; |
| 205 | int result; |
| 206 | ASSERT_TRUE(pickle.ReadInt(&iter, &result)); |
| 207 | |
darin@google.com | cf7eff4 | 2008-08-15 10:05:11 +0900 | [diff] [blame] | 208 | EXPECT_EQ(static_cast<uint32>(result), kMagic); |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 209 | } |
| 210 | |
| 211 | TEST(PickleTest, EqualsOperator) { |
| 212 | Pickle source; |
| 213 | source.WriteInt(1); |
| 214 | |
| 215 | Pickle copy_refs_source_buffer(static_cast<const char*>(source.data()), |
| 216 | source.size()); |
| 217 | Pickle copy; |
| 218 | copy = copy_refs_source_buffer; |
| 219 | ASSERT_EQ(source.size(), copy.size()); |
deanm@google.com | 75df310 | 2008-08-07 22:40:16 +0900 | [diff] [blame] | 220 | } |
license.bot | f003cfe | 2008-08-24 09:55:55 +0900 | [diff] [blame^] | 221 | |