/thirdparty/breakpad/third_party/protobuf/protobuf/src/google/protobuf/message_unittest.cc

  1// Protocol Buffers - Google's data interchange format
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  3// http://code.google.com/p/protobuf/
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 30
 31// Author: kenton@google.com (Kenton Varda)
 32//  Based on original Protocol Buffers design by
 33//  Sanjay Ghemawat, Jeff Dean, and others.
 34
 35#include <google/protobuf/message.h>
 36
 37#include <sys/types.h>
 38#include <sys/stat.h>
 39#include <fcntl.h>
 40#ifdef _MSC_VER
 41#include <io.h>
 42#else
 43#include <unistd.h>
 44#endif
 45#include <sstream>
 46#include <fstream>
 47
 48#include <google/protobuf/stubs/common.h>
 49#include <google/protobuf/io/zero_copy_stream_impl.h>
 50#include <google/protobuf/io/coded_stream.h>
 51#include <google/protobuf/descriptor.h>
 52#include <google/protobuf/descriptor.pb.h>
 53#include <google/protobuf/unittest.pb.h>
 54#include <google/protobuf/test_util.h>
 55
 56#include <google/protobuf/testing/googletest.h>
 57#include <gtest/gtest.h>
 58
 59namespace google {
 60namespace protobuf {
 61
 62#ifndef O_BINARY
 63#ifdef _O_BINARY
 64#define O_BINARY _O_BINARY
 65#else
 66#define O_BINARY 0     // If this isn't defined, the platform doesn't need it.
 67#endif
 68#endif
 69
 70TEST(MessageTest, SerializeHelpers) {
 71  // TODO(kenton):  Test more helpers?  They're all two-liners so it seems
 72  //   like a waste of time.
 73
 74  protobuf_unittest::TestAllTypes message;
 75  TestUtil::SetAllFields(&message);
 76  stringstream stream;
 77
 78  string str1("foo");
 79  string str2("bar");
 80
 81  EXPECT_TRUE(message.SerializeToString(&str1));
 82  EXPECT_TRUE(message.AppendToString(&str2));
 83  EXPECT_TRUE(message.SerializeToOstream(&stream));
 84
 85  EXPECT_EQ(str1.size() + 3, str2.size());
 86  EXPECT_EQ("bar", str2.substr(0, 3));
 87  // Don't use EXPECT_EQ because we don't want to dump raw binary data to
 88  // stdout.
 89  EXPECT_TRUE(str2.substr(3) == str1);
 90
 91  // GCC gives some sort of error if we try to just do stream.str() == str1.
 92  string temp = stream.str();
 93  EXPECT_TRUE(temp == str1);
 94
 95  EXPECT_TRUE(message.SerializeAsString() == str1);
 96
 97}
 98
 99TEST(MessageTest, SerializeToBrokenOstream) {
100  ofstream out;
101  protobuf_unittest::TestAllTypes message;
102  message.set_optional_int32(123);
103
104  EXPECT_FALSE(message.SerializeToOstream(&out));
105}
106
107TEST(MessageTest, ParseFromFileDescriptor) {
108  string filename = TestSourceDir() +
109                    "/google/protobuf/testdata/golden_message";
110  int file = open(filename.c_str(), O_RDONLY | O_BINARY);
111
112  unittest::TestAllTypes message;
113  EXPECT_TRUE(message.ParseFromFileDescriptor(file));
114  TestUtil::ExpectAllFieldsSet(message);
115
116  EXPECT_GE(close(file), 0);
117}
118
119TEST(MessageTest, ParsePackedFromFileDescriptor) {
120  string filename =
121      TestSourceDir() +
122      "/google/protobuf/testdata/golden_packed_fields_message";
123  int file = open(filename.c_str(), O_RDONLY | O_BINARY);
124
125  unittest::TestPackedTypes message;
126  EXPECT_TRUE(message.ParseFromFileDescriptor(file));
127  TestUtil::ExpectPackedFieldsSet(message);
128
129  EXPECT_GE(close(file), 0);
130}
131
132TEST(MessageTest, ParseHelpers) {
133  // TODO(kenton):  Test more helpers?  They're all two-liners so it seems
134  //   like a waste of time.
135  string data;
136
137  {
138    // Set up.
139    protobuf_unittest::TestAllTypes message;
140    TestUtil::SetAllFields(&message);
141    message.SerializeToString(&data);
142  }
143
144  {
145    // Test ParseFromString.
146    protobuf_unittest::TestAllTypes message;
147    EXPECT_TRUE(message.ParseFromString(data));
148    TestUtil::ExpectAllFieldsSet(message);
149  }
150
151  {
152    // Test ParseFromIstream.
153    protobuf_unittest::TestAllTypes message;
154    stringstream stream(data);
155    EXPECT_TRUE(message.ParseFromIstream(&stream));
156    EXPECT_TRUE(stream.eof());
157    TestUtil::ExpectAllFieldsSet(message);
158  }
159
160  {
161    // Test ParseFromBoundedZeroCopyStream.
162    string data_with_junk(data);
163    data_with_junk.append("some junk on the end");
164    io::ArrayInputStream stream(data_with_junk.data(), data_with_junk.size());
165    protobuf_unittest::TestAllTypes message;
166    EXPECT_TRUE(message.ParseFromBoundedZeroCopyStream(&stream, data.size()));
167    TestUtil::ExpectAllFieldsSet(message);
168  }
169
170  {
171    // Test that ParseFromBoundedZeroCopyStream fails (but doesn't crash) if
172    // EOF is reached before the expected number of bytes.
173    io::ArrayInputStream stream(data.data(), data.size());
174    protobuf_unittest::TestAllTypes message;
175    EXPECT_FALSE(
176      message.ParseFromBoundedZeroCopyStream(&stream, data.size() + 1));
177  }
178}
179
180TEST(MessageTest, ParseFailsIfNotInitialized) {
181  unittest::TestRequired message;
182  vector<string> errors;
183
184  {
185    ScopedMemoryLog log;
186    EXPECT_FALSE(message.ParseFromString(""));
187    errors = log.GetMessages(ERROR);
188  }
189
190  ASSERT_EQ(1, errors.size());
191  EXPECT_EQ("Can't parse message of type \"protobuf_unittest.TestRequired\" "
192            "because it is missing required fields: a, b, c",
193            errors[0]);
194}
195
196TEST(MessageTest, BypassInitializationCheckOnParse) {
197  unittest::TestRequired message;
198  io::ArrayInputStream raw_input(NULL, 0);
199  io::CodedInputStream input(&raw_input);
200  EXPECT_TRUE(message.MergePartialFromCodedStream(&input));
201}
202
203TEST(MessageTest, InitializationErrorString) {
204  unittest::TestRequired message;
205  EXPECT_EQ("a, b, c", message.InitializationErrorString());
206}
207
208#ifdef GTEST_HAS_DEATH_TEST  // death tests do not work on Windows yet.
209
210TEST(MessageTest, SerializeFailsIfNotInitialized) {
211  unittest::TestRequired message;
212  string data;
213  EXPECT_DEBUG_DEATH(EXPECT_TRUE(message.SerializeToString(&data)),
214    "Can't serialize message of type \"protobuf_unittest.TestRequired\" because "
215    "it is missing required fields: a, b, c");
216}
217
218TEST(MessageTest, CheckInitialized) {
219  unittest::TestRequired message;
220  EXPECT_DEATH(message.CheckInitialized(),
221    "Message of type \"protobuf_unittest.TestRequired\" is missing required "
222    "fields: a, b, c");
223}
224
225#endif  // GTEST_HAS_DEATH_TEST
226
227TEST(MessageTest, BypassInitializationCheckOnSerialize) {
228  unittest::TestRequired message;
229  io::ArrayOutputStream raw_output(NULL, 0);
230  io::CodedOutputStream output(&raw_output);
231  EXPECT_TRUE(message.SerializePartialToCodedStream(&output));
232}
233
234TEST(MessageTest, FindInitializationErrors) {
235  unittest::TestRequired message;
236  vector<string> errors;
237  message.FindInitializationErrors(&errors);
238  ASSERT_EQ(3, errors.size());
239  EXPECT_EQ("a", errors[0]);
240  EXPECT_EQ("b", errors[1]);
241  EXPECT_EQ("c", errors[2]);
242}
243
244TEST(MessageTest, ParseFailsOnInvalidMessageEnd) {
245  unittest::TestAllTypes message;
246
247  // Control case.
248  EXPECT_TRUE(message.ParseFromArray("", 0));
249
250  // The byte is a valid varint, but not a valid tag (zero).
251  EXPECT_FALSE(message.ParseFromArray("\0", 1));
252
253  // The byte is a malformed varint.
254  EXPECT_FALSE(message.ParseFromArray("\200", 1));
255
256  // The byte is an endgroup tag, but we aren't parsing a group.
257  EXPECT_FALSE(message.ParseFromArray("\014", 1));
258}
259
260TEST(MessageFactoryTest, GeneratedFactoryLookup) {
261  EXPECT_EQ(
262    MessageFactory::generated_factory()->GetPrototype(
263      protobuf_unittest::TestAllTypes::descriptor()),
264    &protobuf_unittest::TestAllTypes::default_instance());
265}
266
267TEST(MessageFactoryTest, GeneratedFactoryUnknownType) {
268  // Construct a new descriptor.
269  DescriptorPool pool;
270  FileDescriptorProto file;
271  file.set_name("foo.proto");
272  file.add_message_type()->set_name("Foo");
273  const Descriptor* descriptor = pool.BuildFile(file)->message_type(0);
274
275  // Trying to construct it should return NULL.
276  EXPECT_TRUE(
277    MessageFactory::generated_factory()->GetPrototype(descriptor) == NULL);
278}
279
280}  // namespace protobuf
281}  // namespace google