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Diffstat (limited to 'src/google/protobuf/message_unittest.cc')
-rw-r--r-- | src/google/protobuf/message_unittest.cc | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/src/google/protobuf/message_unittest.cc b/src/google/protobuf/message_unittest.cc new file mode 100644 index 0000000..46e6844 --- /dev/null +++ b/src/google/protobuf/message_unittest.cc @@ -0,0 +1,272 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. All rights reserved. +// http://code.google.com/p/protobuf/ +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Author: kenton@google.com (Kenton Varda) +// Based on original Protocol Buffers design by +// Sanjay Ghemawat, Jeff Dean, and others. + +#include <google/protobuf/message.h> + +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#ifdef _MSC_VER +#include <io.h> +#else +#include <unistd.h> +#endif +#include <sstream> + +#include <google/protobuf/stubs/common.h> +#include <google/protobuf/io/zero_copy_stream_impl.h> +#include <google/protobuf/io/coded_stream.h> +#include <google/protobuf/descriptor.h> +#include <google/protobuf/descriptor.pb.h> +#include <google/protobuf/unittest.pb.h> +#include <google/protobuf/test_util.h> + +#include <google/protobuf/testing/googletest.h> +#include <gtest/gtest.h> + +namespace google { +namespace protobuf { + +#ifndef O_BINARY +#ifdef _O_BINARY +#define O_BINARY _O_BINARY +#else +#define O_BINARY 0 // If this isn't defined, the platform doesn't need it. +#endif +#endif + +TEST(MessageTest, SerializeHelpers) { + // TODO(kenton): Test more helpers? They're all two-liners so it seems + // like a waste of time. + + protobuf_unittest::TestAllTypes message; + TestUtil::SetAllFields(&message); + stringstream stream; + + string str1("foo"); + string str2("bar"); + + message.SerializeToString(&str1); + message.AppendToString(&str2); + message.SerializeToOstream(&stream); + + EXPECT_EQ(str1.size() + 3, str2.size()); + EXPECT_EQ("bar", str2.substr(0, 3)); + // Don't use EXPECT_EQ because we don't want to dump raw binary data to + // stdout. + EXPECT_TRUE(str2.substr(3) == str1); + + // GCC gives some sort of error if we try to just do stream.str() == str1. + string temp = stream.str(); + EXPECT_TRUE(temp == str1); + + EXPECT_TRUE(message.SerializeAsString() == str1); + +} + +TEST(MessageTest, ParseFromFileDescriptor) { + string filename = TestSourceDir() + + "/google/protobuf/testdata/golden_message"; + int file = open(filename.c_str(), O_RDONLY | O_BINARY); + + unittest::TestAllTypes message; + EXPECT_TRUE(message.ParseFromFileDescriptor(file)); + TestUtil::ExpectAllFieldsSet(message); + + EXPECT_GE(close(file), 0); +} + +TEST(MessageTest, ParsePackedFromFileDescriptor) { + string filename = + TestSourceDir() + + "/google/protobuf/testdata/golden_packed_fields_message"; + int file = open(filename.c_str(), O_RDONLY | O_BINARY); + + unittest::TestPackedTypes message; + EXPECT_TRUE(message.ParseFromFileDescriptor(file)); + TestUtil::ExpectPackedFieldsSet(message); + + EXPECT_GE(close(file), 0); +} + +TEST(MessageTest, ParseHelpers) { + // TODO(kenton): Test more helpers? They're all two-liners so it seems + // like a waste of time. + string data; + + { + // Set up. + protobuf_unittest::TestAllTypes message; + TestUtil::SetAllFields(&message); + message.SerializeToString(&data); + } + + { + // Test ParseFromString. + protobuf_unittest::TestAllTypes message; + EXPECT_TRUE(message.ParseFromString(data)); + TestUtil::ExpectAllFieldsSet(message); + } + + { + // Test ParseFromIstream. + protobuf_unittest::TestAllTypes message; + stringstream stream(data); + EXPECT_TRUE(message.ParseFromIstream(&stream)); + EXPECT_TRUE(stream.eof()); + TestUtil::ExpectAllFieldsSet(message); + } + + { + // Test ParseFromBoundedZeroCopyStream. + string data_with_junk(data); + data_with_junk.append("some junk on the end"); + io::ArrayInputStream stream(data_with_junk.data(), data_with_junk.size()); + protobuf_unittest::TestAllTypes message; + EXPECT_TRUE(message.ParseFromBoundedZeroCopyStream(&stream, data.size())); + TestUtil::ExpectAllFieldsSet(message); + } + + { + // Test that ParseFromBoundedZeroCopyStream fails (but doesn't crash) if + // EOF is reached before the expected number of bytes. + io::ArrayInputStream stream(data.data(), data.size()); + protobuf_unittest::TestAllTypes message; + EXPECT_FALSE( + message.ParseFromBoundedZeroCopyStream(&stream, data.size() + 1)); + } +} + +TEST(MessageTest, ParseFailsIfNotInitialized) { + unittest::TestRequired message; + vector<string> errors; + + { + ScopedMemoryLog log; + EXPECT_FALSE(message.ParseFromString("")); + errors = log.GetMessages(ERROR); + } + + ASSERT_EQ(1, errors.size()); + EXPECT_EQ("Can't parse message of type \"protobuf_unittest.TestRequired\" " + "because it is missing required fields: a, b, c", + errors[0]); +} + +TEST(MessageTest, BypassInitializationCheckOnParse) { + unittest::TestRequired message; + io::ArrayInputStream raw_input(NULL, 0); + io::CodedInputStream input(&raw_input); + EXPECT_TRUE(message.MergePartialFromCodedStream(&input)); +} + +TEST(MessageTest, InitializationErrorString) { + unittest::TestRequired message; + EXPECT_EQ("a, b, c", message.InitializationErrorString()); +} + +#ifdef GTEST_HAS_DEATH_TEST // death tests do not work on Windows yet. + +TEST(MessageTest, SerializeFailsIfNotInitialized) { + unittest::TestRequired message; + string data; + EXPECT_DEBUG_DEATH(EXPECT_TRUE(message.SerializeToString(&data)), + "Can't serialize message of type \"protobuf_unittest.TestRequired\" because " + "it is missing required fields: a, b, c"); +} + +TEST(MessageTest, CheckInitialized) { + unittest::TestRequired message; + EXPECT_DEATH(message.CheckInitialized(), + "Message of type \"protobuf_unittest.TestRequired\" is missing required " + "fields: a, b, c"); +} + +#endif // GTEST_HAS_DEATH_TEST + +TEST(MessageTest, BypassInitializationCheckOnSerialize) { + unittest::TestRequired message; + io::ArrayOutputStream raw_output(NULL, 0); + io::CodedOutputStream output(&raw_output); + EXPECT_TRUE(message.SerializePartialToCodedStream(&output)); +} + +TEST(MessageTest, FindInitializationErrors) { + unittest::TestRequired message; + vector<string> errors; + message.FindInitializationErrors(&errors); + ASSERT_EQ(3, errors.size()); + EXPECT_EQ("a", errors[0]); + EXPECT_EQ("b", errors[1]); + EXPECT_EQ("c", errors[2]); +} + +TEST(MessageTest, ParseFailsOnInvalidMessageEnd) { + unittest::TestAllTypes message; + + // Control case. + EXPECT_TRUE(message.ParseFromArray("", 0)); + + // The byte is a valid varint, but not a valid tag (zero). + EXPECT_FALSE(message.ParseFromArray("\0", 1)); + + // The byte is a malformed varint. + EXPECT_FALSE(message.ParseFromArray("\200", 1)); + + // The byte is an endgroup tag, but we aren't parsing a group. + EXPECT_FALSE(message.ParseFromArray("\014", 1)); +} + +TEST(MessageFactoryTest, GeneratedFactoryLookup) { + EXPECT_EQ( + MessageFactory::generated_factory()->GetPrototype( + protobuf_unittest::TestAllTypes::descriptor()), + &protobuf_unittest::TestAllTypes::default_instance()); +} + +TEST(MessageFactoryTest, GeneratedFactoryUnknownType) { + // Construct a new descriptor. + DescriptorPool pool; + FileDescriptorProto file; + file.set_name("foo.proto"); + file.add_message_type()->set_name("Foo"); + const Descriptor* descriptor = pool.BuildFile(file)->message_type(0); + + // Trying to construct it should return NULL. + EXPECT_TRUE( + MessageFactory::generated_factory()->GetPrototype(descriptor) == NULL); +} + +} // namespace protobuf +} // namespace google |