levin@chromium.org | 5c52868 | 2011-03-28 10:54:15 +0900 | [diff] [blame] | 1 | // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
license.bot | f003cfe | 2008-08-24 09:55:55 +0900 | [diff] [blame] | 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" |
levin@chromium.org | 5c52868 | 2011-03-28 10:54:15 +0900 | [diff] [blame] | 8 | #include "base/memory/scoped_ptr.h" |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 9 | #include "base/pickle.h" |
cevans@chromium.org | a834cdd | 2009-06-26 01:54:02 +0900 | [diff] [blame] | 10 | #include "base/string16.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; |
wtc@chromium.org | c2f15c5 | 2009-07-29 06:00:03 +0900 | [diff] [blame] | 16 | const std::string teststr("Hello world"); // note non-aligned string length |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 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; |
bryner@chromium.org | c85d0fd | 2011-02-23 04:47:19 +0900 | [diff] [blame] | 22 | const uint16 testuint16 = 32123; |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 23 | |
| 24 | // checks that the result |
| 25 | void VerifyResult(const Pickle& pickle) { |
| 26 | void* iter = NULL; |
| 27 | |
| 28 | int outint; |
| 29 | EXPECT_TRUE(pickle.ReadInt(&iter, &outint)); |
| 30 | EXPECT_EQ(testint, outint); |
| 31 | |
| 32 | std::string outstr; |
| 33 | EXPECT_TRUE(pickle.ReadString(&iter, &outstr)); |
| 34 | EXPECT_EQ(teststr, outstr); |
| 35 | |
| 36 | std::wstring outwstr; |
| 37 | EXPECT_TRUE(pickle.ReadWString(&iter, &outwstr)); |
| 38 | EXPECT_EQ(testwstr, outwstr); |
| 39 | |
| 40 | bool outbool; |
| 41 | EXPECT_TRUE(pickle.ReadBool(&iter, &outbool)); |
| 42 | EXPECT_EQ(testbool1, outbool); |
| 43 | EXPECT_TRUE(pickle.ReadBool(&iter, &outbool)); |
| 44 | EXPECT_EQ(testbool2, outbool); |
| 45 | |
bryner@chromium.org | c85d0fd | 2011-02-23 04:47:19 +0900 | [diff] [blame] | 46 | uint16 outuint16; |
| 47 | EXPECT_TRUE(pickle.ReadUInt16(&iter, &outuint16)); |
| 48 | EXPECT_EQ(testuint16, outuint16); |
| 49 | |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 50 | const char* outdata; |
| 51 | int outdatalen; |
| 52 | EXPECT_TRUE(pickle.ReadData(&iter, &outdata, &outdatalen)); |
| 53 | EXPECT_EQ(testdatalen, outdatalen); |
| 54 | EXPECT_EQ(memcmp(testdata, outdata, outdatalen), 0); |
| 55 | |
| 56 | EXPECT_TRUE(pickle.ReadData(&iter, &outdata, &outdatalen)); |
| 57 | EXPECT_EQ(testdatalen, outdatalen); |
| 58 | EXPECT_EQ(memcmp(testdata, outdata, outdatalen), 0); |
| 59 | |
| 60 | // reads past the end should fail |
| 61 | EXPECT_FALSE(pickle.ReadInt(&iter, &outint)); |
| 62 | } |
| 63 | |
| 64 | } // namespace |
| 65 | |
| 66 | TEST(PickleTest, EncodeDecode) { |
| 67 | Pickle pickle; |
| 68 | |
| 69 | EXPECT_TRUE(pickle.WriteInt(testint)); |
| 70 | EXPECT_TRUE(pickle.WriteString(teststr)); |
| 71 | EXPECT_TRUE(pickle.WriteWString(testwstr)); |
| 72 | EXPECT_TRUE(pickle.WriteBool(testbool1)); |
| 73 | EXPECT_TRUE(pickle.WriteBool(testbool2)); |
bryner@chromium.org | c85d0fd | 2011-02-23 04:47:19 +0900 | [diff] [blame] | 74 | EXPECT_TRUE(pickle.WriteUInt16(testuint16)); |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 75 | EXPECT_TRUE(pickle.WriteData(testdata, testdatalen)); |
| 76 | |
deanm@google.com | 75df310 | 2008-08-07 22:40:16 +0900 | [diff] [blame] | 77 | // Over allocate BeginWriteData so we can test TrimWriteData. |
| 78 | char* dest = pickle.BeginWriteData(testdatalen + 100); |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 79 | EXPECT_TRUE(dest); |
| 80 | memcpy(dest, testdata, testdatalen); |
| 81 | |
deanm@google.com | 75df310 | 2008-08-07 22:40:16 +0900 | [diff] [blame] | 82 | pickle.TrimWriteData(testdatalen); |
| 83 | |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 84 | VerifyResult(pickle); |
| 85 | |
| 86 | // test copy constructor |
| 87 | Pickle pickle2(pickle); |
| 88 | VerifyResult(pickle2); |
| 89 | |
| 90 | // test operator= |
| 91 | Pickle pickle3; |
| 92 | pickle3 = pickle; |
| 93 | VerifyResult(pickle3); |
| 94 | } |
| 95 | |
rvargas@google.com | 8d9b2b9 | 2010-11-16 04:31:23 +0900 | [diff] [blame] | 96 | // Tests that we can handle really small buffers. |
| 97 | TEST(PickleTest, SmallBuffer) { |
| 98 | scoped_array<char> buffer(new char[1]); |
| 99 | |
| 100 | // We should not touch the buffer. |
| 101 | Pickle pickle(buffer.get(), 1); |
| 102 | |
| 103 | void* iter = NULL; |
| 104 | int data; |
| 105 | EXPECT_FALSE(pickle.ReadInt(&iter, &data)); |
| 106 | } |
| 107 | |
| 108 | // Tests that we can handle improper headers. |
| 109 | TEST(PickleTest, BigSize) { |
| 110 | int buffer[] = { 0x56035200, 25, 40, 50 }; |
| 111 | |
| 112 | Pickle pickle(reinterpret_cast<char*>(buffer), sizeof(buffer)); |
| 113 | |
| 114 | void* iter = NULL; |
| 115 | int data; |
| 116 | EXPECT_FALSE(pickle.ReadInt(&iter, &data)); |
| 117 | } |
| 118 | |
| 119 | TEST(PickleTest, UnalignedSize) { |
| 120 | int buffer[] = { 10, 25, 40, 50 }; |
| 121 | |
| 122 | Pickle pickle(reinterpret_cast<char*>(buffer), sizeof(buffer)); |
| 123 | |
| 124 | void* iter = NULL; |
| 125 | int data; |
| 126 | EXPECT_FALSE(pickle.ReadInt(&iter, &data)); |
| 127 | } |
| 128 | |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 129 | TEST(PickleTest, ZeroLenStr) { |
| 130 | Pickle pickle; |
| 131 | EXPECT_TRUE(pickle.WriteString("")); |
| 132 | |
| 133 | void* iter = NULL; |
| 134 | std::string outstr; |
| 135 | EXPECT_TRUE(pickle.ReadString(&iter, &outstr)); |
| 136 | EXPECT_EQ("", outstr); |
| 137 | } |
| 138 | |
| 139 | TEST(PickleTest, ZeroLenWStr) { |
| 140 | Pickle pickle; |
| 141 | EXPECT_TRUE(pickle.WriteWString(L"")); |
| 142 | |
| 143 | void* iter = NULL; |
| 144 | std::string outstr; |
| 145 | EXPECT_TRUE(pickle.ReadString(&iter, &outstr)); |
| 146 | EXPECT_EQ("", outstr); |
| 147 | } |
| 148 | |
| 149 | TEST(PickleTest, BadLenStr) { |
| 150 | Pickle pickle; |
| 151 | EXPECT_TRUE(pickle.WriteInt(-2)); |
| 152 | |
| 153 | void* iter = NULL; |
| 154 | std::string outstr; |
| 155 | EXPECT_FALSE(pickle.ReadString(&iter, &outstr)); |
| 156 | } |
| 157 | |
| 158 | TEST(PickleTest, BadLenWStr) { |
| 159 | Pickle pickle; |
| 160 | EXPECT_TRUE(pickle.WriteInt(-1)); |
| 161 | |
| 162 | void* iter = NULL; |
| 163 | std::wstring woutstr; |
| 164 | EXPECT_FALSE(pickle.ReadWString(&iter, &woutstr)); |
| 165 | } |
| 166 | |
| 167 | TEST(PickleTest, FindNext) { |
| 168 | Pickle pickle; |
| 169 | EXPECT_TRUE(pickle.WriteInt(1)); |
| 170 | EXPECT_TRUE(pickle.WriteString("Domo")); |
| 171 | |
| 172 | const char* start = reinterpret_cast<const char*>(pickle.data()); |
| 173 | const char* end = start + pickle.size(); |
| 174 | |
| 175 | EXPECT_TRUE(end == Pickle::FindNext(pickle.header_size_, start, end)); |
| 176 | EXPECT_TRUE(NULL == Pickle::FindNext(pickle.header_size_, start, end - 1)); |
| 177 | EXPECT_TRUE(end == Pickle::FindNext(pickle.header_size_, start, end + 1)); |
| 178 | } |
| 179 | |
glider@chromium.org | 8b725fa | 2011-01-26 22:02:27 +0900 | [diff] [blame] | 180 | TEST(PickleTest, FindNextWithIncompleteHeader) { |
| 181 | size_t header_size = sizeof(Pickle::Header); |
| 182 | scoped_array<char> buffer(new char[header_size - 1]); |
| 183 | memset(buffer.get(), 0x1, header_size - 1); |
| 184 | |
| 185 | const char* start = buffer.get(); |
| 186 | const char* end = start + header_size - 1; |
| 187 | |
| 188 | EXPECT_TRUE(NULL == Pickle::FindNext(header_size, start, end)); |
| 189 | } |
| 190 | |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 191 | TEST(PickleTest, IteratorHasRoom) { |
| 192 | Pickle pickle; |
| 193 | EXPECT_TRUE(pickle.WriteInt(1)); |
| 194 | EXPECT_TRUE(pickle.WriteInt(2)); |
| 195 | |
| 196 | const void* iter = 0; |
| 197 | EXPECT_FALSE(pickle.IteratorHasRoomFor(iter, 1)); |
| 198 | iter = pickle.payload(); |
| 199 | EXPECT_TRUE(pickle.IteratorHasRoomFor(iter, 0)); |
| 200 | EXPECT_TRUE(pickle.IteratorHasRoomFor(iter, 1)); |
| 201 | EXPECT_FALSE(pickle.IteratorHasRoomFor(iter, -1)); |
| 202 | EXPECT_TRUE(pickle.IteratorHasRoomFor(iter, sizeof(int) * 2)); |
| 203 | EXPECT_FALSE(pickle.IteratorHasRoomFor(iter, (sizeof(int) * 2) + 1)); |
| 204 | } |
| 205 | |
| 206 | TEST(PickleTest, Resize) { |
darin@google.com | cf7eff4 | 2008-08-15 10:05:11 +0900 | [diff] [blame] | 207 | size_t unit = Pickle::kPayloadUnit; |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 208 | scoped_array<char> data(new char[unit]); |
| 209 | char* data_ptr = data.get(); |
darin@google.com | cf7eff4 | 2008-08-15 10:05:11 +0900 | [diff] [blame] | 210 | for (size_t i = 0; i < unit; i++) |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 211 | data_ptr[i] = 'G'; |
| 212 | |
| 213 | // construct a message that will be exactly the size of one payload unit, |
| 214 | // 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] | 215 | const size_t payload_size_after_header = unit - sizeof(uint32); |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 216 | Pickle pickle; |
darin@google.com | 2c7afc1 | 2008-08-15 10:40:41 +0900 | [diff] [blame] | 217 | pickle.WriteData(data_ptr, |
| 218 | static_cast<int>(payload_size_after_header - sizeof(uint32))); |
darin@google.com | cf7eff4 | 2008-08-15 10:05:11 +0900 | [diff] [blame] | 219 | size_t cur_payload = payload_size_after_header; |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 220 | |
mpcomplete@google.com | 54d2f94 | 2009-03-17 05:21:57 +0900 | [diff] [blame] | 221 | // note: we assume 'unit' is a power of 2 |
| 222 | EXPECT_EQ(unit, pickle.capacity()); |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 223 | EXPECT_EQ(pickle.payload_size(), payload_size_after_header); |
| 224 | |
| 225 | // fill out a full page (noting data header) |
darin@google.com | 2c7afc1 | 2008-08-15 10:40:41 +0900 | [diff] [blame] | 226 | pickle.WriteData(data_ptr, static_cast<int>(unit - sizeof(uint32))); |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 227 | cur_payload += unit; |
darin@google.com | cf7eff4 | 2008-08-15 10:05:11 +0900 | [diff] [blame] | 228 | EXPECT_EQ(unit * 2, pickle.capacity()); |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 229 | EXPECT_EQ(cur_payload, pickle.payload_size()); |
| 230 | |
mpcomplete@google.com | 54d2f94 | 2009-03-17 05:21:57 +0900 | [diff] [blame] | 231 | // one more byte should double the capacity |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 232 | pickle.WriteData(data_ptr, 1); |
| 233 | cur_payload += 5; |
mpcomplete@google.com | 54d2f94 | 2009-03-17 05:21:57 +0900 | [diff] [blame] | 234 | EXPECT_EQ(unit * 4, pickle.capacity()); |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 235 | EXPECT_EQ(cur_payload, pickle.payload_size()); |
| 236 | } |
| 237 | |
deanm@google.com | 75df310 | 2008-08-07 22:40:16 +0900 | [diff] [blame] | 238 | namespace { |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 239 | |
deanm@google.com | 75df310 | 2008-08-07 22:40:16 +0900 | [diff] [blame] | 240 | struct CustomHeader : Pickle::Header { |
| 241 | int blah; |
| 242 | }; |
| 243 | |
| 244 | } // namespace |
| 245 | |
| 246 | TEST(PickleTest, HeaderPadding) { |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 247 | const uint32 kMagic = 0x12345678; |
| 248 | |
| 249 | Pickle pickle(sizeof(CustomHeader)); |
| 250 | pickle.WriteInt(kMagic); |
| 251 | |
| 252 | // this should not overwrite the 'int' payload |
| 253 | pickle.headerT<CustomHeader>()->blah = 10; |
| 254 | |
| 255 | void* iter = NULL; |
| 256 | int result; |
| 257 | ASSERT_TRUE(pickle.ReadInt(&iter, &result)); |
| 258 | |
darin@google.com | cf7eff4 | 2008-08-15 10:05:11 +0900 | [diff] [blame] | 259 | EXPECT_EQ(static_cast<uint32>(result), kMagic); |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 260 | } |
| 261 | |
| 262 | TEST(PickleTest, EqualsOperator) { |
| 263 | Pickle source; |
| 264 | source.WriteInt(1); |
| 265 | |
| 266 | Pickle copy_refs_source_buffer(static_cast<const char*>(source.data()), |
| 267 | source.size()); |
| 268 | Pickle copy; |
| 269 | copy = copy_refs_source_buffer; |
| 270 | ASSERT_EQ(source.size(), copy.size()); |
deanm@google.com | 75df310 | 2008-08-07 22:40:16 +0900 | [diff] [blame] | 271 | } |
cevans@chromium.org | a834cdd | 2009-06-26 01:54:02 +0900 | [diff] [blame] | 272 | |
| 273 | TEST(PickleTest, EvilLengths) { |
| 274 | Pickle source; |
cevans@chromium.org | d8cb112 | 2009-06-26 02:23:49 +0900 | [diff] [blame] | 275 | std::string str(100000, 'A'); |
cevans@chromium.org | a834cdd | 2009-06-26 01:54:02 +0900 | [diff] [blame] | 276 | source.WriteData(str.c_str(), 100000); |
| 277 | // ReadString16 used to have its read buffer length calculation wrong leading |
| 278 | // to out-of-bounds reading. |
| 279 | void* iter = NULL; |
| 280 | string16 str16; |
| 281 | EXPECT_FALSE(source.ReadString16(&iter, &str16)); |
| 282 | |
| 283 | // And check we didn't break ReadString16. |
| 284 | str16 = (wchar_t) 'A'; |
| 285 | Pickle str16_pickle; |
| 286 | str16_pickle.WriteString16(str16); |
| 287 | iter = NULL; |
| 288 | EXPECT_TRUE(str16_pickle.ReadString16(&iter, &str16)); |
| 289 | EXPECT_EQ(1U, str16.length()); |
| 290 | |
| 291 | // Check we don't fail in a length check with large WStrings. |
| 292 | Pickle big_len; |
| 293 | big_len.WriteInt(1 << 30); |
| 294 | iter = NULL; |
| 295 | std::wstring wstr; |
| 296 | EXPECT_FALSE(big_len.ReadWString(&iter, &wstr)); |
| 297 | } |
| 298 | |
wtc@chromium.org | c2f15c5 | 2009-07-29 06:00:03 +0900 | [diff] [blame] | 299 | // Check we can write zero bytes of data and 'data' can be NULL. |
| 300 | TEST(PickleTest, ZeroLength) { |
| 301 | Pickle pickle; |
| 302 | EXPECT_TRUE(pickle.WriteData(NULL, 0)); |
| 303 | |
| 304 | void* iter = NULL; |
| 305 | const char* outdata; |
| 306 | int outdatalen; |
| 307 | EXPECT_TRUE(pickle.ReadData(&iter, &outdata, &outdatalen)); |
| 308 | EXPECT_EQ(0, outdatalen); |
| 309 | // We can't assert that outdata is NULL. |
| 310 | } |
| 311 | |
mpcomplete@chromium.org | 0409ecb | 2010-03-31 08:52:24 +0900 | [diff] [blame] | 312 | // Check that ReadBytes works properly with an iterator initialized to NULL. |
| 313 | TEST(PickleTest, ReadBytes) { |
| 314 | Pickle pickle; |
| 315 | int data = 0x7abcd; |
| 316 | EXPECT_TRUE(pickle.WriteBytes(&data, sizeof(data))); |
| 317 | |
| 318 | void* iter = NULL; |
| 319 | const char* outdata_char; |
| 320 | EXPECT_TRUE(pickle.ReadBytes(&iter, &outdata_char, sizeof(data))); |
| 321 | |
| 322 | int outdata; |
| 323 | memcpy(&outdata, outdata_char, sizeof(outdata)); |
| 324 | EXPECT_EQ(data, outdata); |
| 325 | } |