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Diffstat (limited to 'src/google/protobuf/compiler/cpp/cpp_unittest.cc')
| -rw-r--r-- | src/google/protobuf/compiler/cpp/cpp_unittest.cc | 1165 |
1 files changed, 1165 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/cpp/cpp_unittest.cc b/src/google/protobuf/compiler/cpp/cpp_unittest.cc new file mode 100644 index 0000000..d7575c0 --- /dev/null +++ b/src/google/protobuf/compiler/cpp/cpp_unittest.cc @@ -0,0 +1,1165 @@ +// 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. +// +// To test the code generator, we actually use it to generate code for +// google/protobuf/unittest.proto, then test that. This means that we +// are actually testing the parser and other parts of the system at the same +// time, and that problems in the generator may show up as compile-time errors +// rather than unittest failures, which may be surprising. However, testing +// the output of the C++ generator directly would be very hard. We can't very +// well just check it against golden files since those files would have to be +// updated for any small change; such a test would be very brittle and probably +// not very helpful. What we really want to test is that the code compiles +// correctly and produces the interfaces we expect, which is why this test +// is written this way. + +#include <vector> + +#include <google/protobuf/unittest.pb.h> +#include <google/protobuf/unittest_optimize_for.pb.h> +#include <google/protobuf/unittest_embed_optimize_for.pb.h> +#include <google/protobuf/test_util.h> +#include <google/protobuf/compiler/cpp/cpp_test_bad_identifiers.pb.h> +#include <google/protobuf/compiler/importer.h> +#include <google/protobuf/io/coded_stream.h> +#include <google/protobuf/io/zero_copy_stream_impl.h> +#include <google/protobuf/descriptor.h> +#include <google/protobuf/descriptor.pb.h> +#include <google/protobuf/dynamic_message.h> + +#include <google/protobuf/stubs/common.h> +#include <google/protobuf/stubs/strutil.h> +#include <google/protobuf/stubs/substitute.h> +#include <google/protobuf/testing/googletest.h> +#include <gtest/gtest.h> +#include <google/protobuf/stubs/stl_util-inl.h> + +namespace google { +namespace protobuf { +namespace compiler { +namespace cpp { + +// Can't use an anonymous namespace here due to brokenness of Tru64 compiler. +namespace cpp_unittest { + + +class MockErrorCollector : public MultiFileErrorCollector { + public: + MockErrorCollector() {} + ~MockErrorCollector() {} + + string text_; + + // implements ErrorCollector --------------------------------------- + void AddError(const string& filename, int line, int column, + const string& message) { + strings::SubstituteAndAppend(&text_, "$0:$1:$2: $3\n", + filename, line, column, message); + } +}; + +#ifndef PROTOBUF_TEST_NO_DESCRIPTORS + +// Test that generated code has proper descriptors: +// Parse a descriptor directly (using google::protobuf::compiler::Importer) and +// compare it to the one that was produced by generated code. +TEST(GeneratedDescriptorTest, IdenticalDescriptors) { + const FileDescriptor* generated_descriptor = + unittest::TestAllTypes::descriptor()->file(); + + // Set up the Importer. + MockErrorCollector error_collector; + DiskSourceTree source_tree; + source_tree.MapPath("", TestSourceDir()); + Importer importer(&source_tree, &error_collector); + + // Import (parse) unittest.proto. + const FileDescriptor* parsed_descriptor = + importer.Import("google/protobuf/unittest.proto"); + EXPECT_EQ("", error_collector.text_); + ASSERT_TRUE(parsed_descriptor != NULL); + + // Test that descriptors are generated correctly by converting them to + // FileDescriptorProtos and comparing. + FileDescriptorProto generated_decsriptor_proto, parsed_descriptor_proto; + generated_descriptor->CopyTo(&generated_decsriptor_proto); + parsed_descriptor->CopyTo(&parsed_descriptor_proto); + + EXPECT_EQ(parsed_descriptor_proto.DebugString(), + generated_decsriptor_proto.DebugString()); +} + +#endif // !PROTOBUF_TEST_NO_DESCRIPTORS + +// =================================================================== + +TEST(GeneratedMessageTest, Defaults) { + // Check that all default values are set correctly in the initial message. + unittest::TestAllTypes message; + + TestUtil::ExpectClear(message); + + // Messages should return pointers to default instances until first use. + // (This is not checked by ExpectClear() since it is not actually true after + // the fields have been set and then cleared.) + EXPECT_EQ(&unittest::TestAllTypes::OptionalGroup::default_instance(), + &message.optionalgroup()); + EXPECT_EQ(&unittest::TestAllTypes::NestedMessage::default_instance(), + &message.optional_nested_message()); + EXPECT_EQ(&unittest::ForeignMessage::default_instance(), + &message.optional_foreign_message()); + EXPECT_EQ(&unittest_import::ImportMessage::default_instance(), + &message.optional_import_message()); +} + +TEST(GeneratedMessageTest, FloatingPointDefaults) { + const unittest::TestExtremeDefaultValues& extreme_default = + unittest::TestExtremeDefaultValues::default_instance(); + + EXPECT_EQ(0.0f, extreme_default.zero_float()); + EXPECT_EQ(1.0f, extreme_default.one_float()); + EXPECT_EQ(1.5f, extreme_default.small_float()); + EXPECT_EQ(-1.0f, extreme_default.negative_one_float()); + EXPECT_EQ(-1.5f, extreme_default.negative_float()); + EXPECT_EQ(2.0e8f, extreme_default.large_float()); + EXPECT_EQ(-8e-28f, extreme_default.small_negative_float()); +} + +TEST(GeneratedMessageTest, Accessors) { + // Set every field to a unique value then go back and check all those + // values. + unittest::TestAllTypes message; + + TestUtil::SetAllFields(&message); + TestUtil::ExpectAllFieldsSet(message); + + TestUtil::ModifyRepeatedFields(&message); + TestUtil::ExpectRepeatedFieldsModified(message); +} + +TEST(GeneratedMessageTest, MutableStringDefault) { + // mutable_foo() for a string should return a string initialized to its + // default value. + unittest::TestAllTypes message; + + EXPECT_EQ("hello", *message.mutable_default_string()); + + // Note that the first time we call mutable_foo(), we get a newly-allocated + // string, but if we clear it and call it again, we get the same object again. + // We should verify that it has its default value in both cases. + message.set_default_string("blah"); + message.Clear(); + + EXPECT_EQ("hello", *message.mutable_default_string()); +} + +TEST(GeneratedMessageTest, Clear) { + // Set every field to a unique value, clear the message, then check that + // it is cleared. + unittest::TestAllTypes message; + + TestUtil::SetAllFields(&message); + message.Clear(); + TestUtil::ExpectClear(message); + + // Unlike with the defaults test, we do NOT expect that requesting embedded + // messages will return a pointer to the default instance. Instead, they + // should return the objects that were created when mutable_blah() was + // called. + EXPECT_NE(&unittest::TestAllTypes::OptionalGroup::default_instance(), + &message.optionalgroup()); + EXPECT_NE(&unittest::TestAllTypes::NestedMessage::default_instance(), + &message.optional_nested_message()); + EXPECT_NE(&unittest::ForeignMessage::default_instance(), + &message.optional_foreign_message()); + EXPECT_NE(&unittest_import::ImportMessage::default_instance(), + &message.optional_import_message()); +} + +TEST(GeneratedMessageTest, EmbeddedNullsInBytesCharStar) { + unittest::TestAllTypes message; + + const char* value = "\0lalala\0\0"; + message.set_optional_bytes(value, 9); + ASSERT_EQ(9, message.optional_bytes().size()); + EXPECT_EQ(0, memcmp(value, message.optional_bytes().data(), 9)); + + message.add_repeated_bytes(value, 9); + ASSERT_EQ(9, message.repeated_bytes(0).size()); + EXPECT_EQ(0, memcmp(value, message.repeated_bytes(0).data(), 9)); +} + +TEST(GeneratedMessageTest, ClearOneField) { + // Set every field to a unique value, then clear one value and insure that + // only that one value is cleared. + unittest::TestAllTypes message; + + TestUtil::SetAllFields(&message); + int64 original_value = message.optional_int64(); + + // Clear the field and make sure it shows up as cleared. + message.clear_optional_int64(); + EXPECT_FALSE(message.has_optional_int64()); + EXPECT_EQ(0, message.optional_int64()); + + // Other adjacent fields should not be cleared. + EXPECT_TRUE(message.has_optional_int32()); + EXPECT_TRUE(message.has_optional_uint32()); + + // Make sure if we set it again, then all fields are set. + message.set_optional_int64(original_value); + TestUtil::ExpectAllFieldsSet(message); +} + +TEST(GeneratedMessageTest, StringCharStarLength) { + // Verify that we can use a char*,length to set one of the string fields. + unittest::TestAllTypes message; + message.set_optional_string("abcdef", 3); + EXPECT_EQ("abc", message.optional_string()); + + // Verify that we can use a char*,length to add to a repeated string field. + message.add_repeated_string("abcdef", 3); + EXPECT_EQ(1, message.repeated_string_size()); + EXPECT_EQ("abc", message.repeated_string(0)); + + // Verify that we can use a char*,length to set a repeated string field. + message.set_repeated_string(0, "wxyz", 2); + EXPECT_EQ("wx", message.repeated_string(0)); +} + + +TEST(GeneratedMessageTest, CopyFrom) { + unittest::TestAllTypes message1, message2; + + TestUtil::SetAllFields(&message1); + message2.CopyFrom(message1); + TestUtil::ExpectAllFieldsSet(message2); + + // Copying from self should be a no-op. + message2.CopyFrom(message2); + TestUtil::ExpectAllFieldsSet(message2); +} + +TEST(GeneratedMessageTest, SwapWithEmpty) { + unittest::TestAllTypes message1, message2; + TestUtil::SetAllFields(&message1); + + TestUtil::ExpectAllFieldsSet(message1); + TestUtil::ExpectClear(message2); + message1.Swap(&message2); + TestUtil::ExpectAllFieldsSet(message2); + TestUtil::ExpectClear(message1); +} + +TEST(GeneratedMessageTest, SwapWithSelf) { + unittest::TestAllTypes message; + TestUtil::SetAllFields(&message); + TestUtil::ExpectAllFieldsSet(message); + message.Swap(&message); + TestUtil::ExpectAllFieldsSet(message); +} + +TEST(GeneratedMessageTest, SwapWithOther) { + unittest::TestAllTypes message1, message2; + + message1.set_optional_int32(123); + message1.set_optional_string("abc"); + message1.mutable_optional_nested_message()->set_bb(1); + message1.set_optional_nested_enum(unittest::TestAllTypes::FOO); + message1.add_repeated_int32(1); + message1.add_repeated_int32(2); + message1.add_repeated_string("a"); + message1.add_repeated_string("b"); + message1.add_repeated_nested_message()->set_bb(7); + message1.add_repeated_nested_message()->set_bb(8); + message1.add_repeated_nested_enum(unittest::TestAllTypes::FOO); + message1.add_repeated_nested_enum(unittest::TestAllTypes::BAR); + + message2.set_optional_int32(456); + message2.set_optional_string("def"); + message2.mutable_optional_nested_message()->set_bb(2); + message2.set_optional_nested_enum(unittest::TestAllTypes::BAR); + message2.add_repeated_int32(3); + message2.add_repeated_string("c"); + message2.add_repeated_nested_message()->set_bb(9); + message2.add_repeated_nested_enum(unittest::TestAllTypes::BAZ); + + message1.Swap(&message2); + + EXPECT_EQ(456, message1.optional_int32()); + EXPECT_EQ("def", message1.optional_string()); + EXPECT_EQ(2, message1.optional_nested_message().bb()); + EXPECT_EQ(unittest::TestAllTypes::BAR, message1.optional_nested_enum()); + ASSERT_EQ(1, message1.repeated_int32_size()); + EXPECT_EQ(3, message1.repeated_int32(0)); + ASSERT_EQ(1, message1.repeated_string_size()); + EXPECT_EQ("c", message1.repeated_string(0)); + ASSERT_EQ(1, message1.repeated_nested_message_size()); + EXPECT_EQ(9, message1.repeated_nested_message(0).bb()); + ASSERT_EQ(1, message1.repeated_nested_enum_size()); + EXPECT_EQ(unittest::TestAllTypes::BAZ, message1.repeated_nested_enum(0)); + + EXPECT_EQ(123, message2.optional_int32()); + EXPECT_EQ("abc", message2.optional_string()); + EXPECT_EQ(1, message2.optional_nested_message().bb()); + EXPECT_EQ(unittest::TestAllTypes::FOO, message2.optional_nested_enum()); + ASSERT_EQ(2, message2.repeated_int32_size()); + EXPECT_EQ(1, message2.repeated_int32(0)); + EXPECT_EQ(2, message2.repeated_int32(1)); + ASSERT_EQ(2, message2.repeated_string_size()); + EXPECT_EQ("a", message2.repeated_string(0)); + EXPECT_EQ("b", message2.repeated_string(1)); + ASSERT_EQ(2, message2.repeated_nested_message_size()); + EXPECT_EQ(7, message2.repeated_nested_message(0).bb()); + EXPECT_EQ(8, message2.repeated_nested_message(1).bb()); + ASSERT_EQ(2, message2.repeated_nested_enum_size()); + EXPECT_EQ(unittest::TestAllTypes::FOO, message2.repeated_nested_enum(0)); + EXPECT_EQ(unittest::TestAllTypes::BAR, message2.repeated_nested_enum(1)); +} + +TEST(GeneratedMessageTest, CopyConstructor) { + unittest::TestAllTypes message1; + TestUtil::SetAllFields(&message1); + + unittest::TestAllTypes message2(message1); + TestUtil::ExpectAllFieldsSet(message2); +} + +TEST(GeneratedMessageTest, CopyAssignmentOperator) { + unittest::TestAllTypes message1; + TestUtil::SetAllFields(&message1); + + unittest::TestAllTypes message2; + message2 = message1; + TestUtil::ExpectAllFieldsSet(message2); + + // Make sure that self-assignment does something sane. + message2 = message2; + TestUtil::ExpectAllFieldsSet(message2); +} + +TEST(GeneratedMessageTest, UpcastCopyFrom) { + // Test the CopyFrom method that takes in the generic const Message& + // parameter. + unittest::TestAllTypes message1, message2; + + TestUtil::SetAllFields(&message1); + + const Message* source = implicit_cast<const Message*>(&message1); + message2.CopyFrom(*source); + + TestUtil::ExpectAllFieldsSet(message2); +} + +#ifndef PROTOBUF_TEST_NO_DESCRIPTORS + +TEST(GeneratedMessageTest, DynamicMessageCopyFrom) { + // Test copying from a DynamicMessage, which must fall back to using + // reflection. + unittest::TestAllTypes message2; + + // Construct a new version of the dynamic message via the factory. + DynamicMessageFactory factory; + scoped_ptr<Message> message1; + message1.reset(factory.GetPrototype( + unittest::TestAllTypes::descriptor())->New()); + + TestUtil::ReflectionTester reflection_tester( + unittest::TestAllTypes::descriptor()); + reflection_tester.SetAllFieldsViaReflection(message1.get()); + + message2.CopyFrom(*message1); + + TestUtil::ExpectAllFieldsSet(message2); +} + +#endif // !PROTOBUF_TEST_NO_DESCRIPTORS + +TEST(GeneratedMessageTest, NonEmptyMergeFrom) { + // Test merging with a non-empty message. Code is a modified form + // of that found in google/protobuf/reflection_ops_unittest.cc. + unittest::TestAllTypes message1, message2; + + TestUtil::SetAllFields(&message1); + + // This field will test merging into an empty spot. + message2.set_optional_int32(message1.optional_int32()); + message1.clear_optional_int32(); + + // This tests overwriting. + message2.set_optional_string(message1.optional_string()); + message1.set_optional_string("something else"); + + // This tests concatenating. + message2.add_repeated_int32(message1.repeated_int32(1)); + int32 i = message1.repeated_int32(0); + message1.clear_repeated_int32(); + message1.add_repeated_int32(i); + + message1.MergeFrom(message2); + + TestUtil::ExpectAllFieldsSet(message1); +} + +#ifdef GTEST_HAS_DEATH_TEST + +TEST(GeneratedMessageTest, MergeFromSelf) { + unittest::TestAllTypes message; + EXPECT_DEATH(message.MergeFrom(message), "&from"); + EXPECT_DEATH(message.MergeFrom(implicit_cast<const Message&>(message)), + "&from"); +} + +#endif // GTEST_HAS_DEATH_TEST + +// Test the generated SerializeWithCachedSizesToArray(), +TEST(GeneratedMessageTest, SerializationToArray) { + unittest::TestAllTypes message1, message2; + string data; + TestUtil::SetAllFields(&message1); + int size = message1.ByteSize(); + data.resize(size); + uint8* start = reinterpret_cast<uint8*>(string_as_array(&data)); + uint8* end = message1.SerializeWithCachedSizesToArray(start); + EXPECT_EQ(size, end - start); + EXPECT_TRUE(message2.ParseFromString(data)); + TestUtil::ExpectAllFieldsSet(message2); + +} + +TEST(GeneratedMessageTest, PackedFieldsSerializationToArray) { + unittest::TestPackedTypes packed_message1, packed_message2; + string packed_data; + TestUtil::SetPackedFields(&packed_message1); + int packed_size = packed_message1.ByteSize(); + packed_data.resize(packed_size); + uint8* start = reinterpret_cast<uint8*>(string_as_array(&packed_data)); + uint8* end = packed_message1.SerializeWithCachedSizesToArray(start); + EXPECT_EQ(packed_size, end - start); + EXPECT_TRUE(packed_message2.ParseFromString(packed_data)); + TestUtil::ExpectPackedFieldsSet(packed_message2); +} + +// Test the generated SerializeWithCachedSizes() by forcing the buffer to write +// one byte at a time. +TEST(GeneratedMessageTest, SerializationToStream) { + unittest::TestAllTypes message1, message2; + TestUtil::SetAllFields(&message1); + int size = message1.ByteSize(); + string data; + data.resize(size); + { + // Allow the output stream to buffer only one byte at a time. + io::ArrayOutputStream array_stream(string_as_array(&data), size, 1); + io::CodedOutputStream output_stream(&array_stream); + message1.SerializeWithCachedSizes(&output_stream); + EXPECT_FALSE(output_stream.HadError()); + EXPECT_EQ(size, output_stream.ByteCount()); + } + EXPECT_TRUE(message2.ParseFromString(data)); + TestUtil::ExpectAllFieldsSet(message2); + +} + +TEST(GeneratedMessageTest, PackedFieldsSerializationToStream) { + unittest::TestPackedTypes message1, message2; + TestUtil::SetPackedFields(&message1); + int size = message1.ByteSize(); + string data; + data.resize(size); + { + // Allow the output stream to buffer only one byte at a time. + io::ArrayOutputStream array_stream(string_as_array(&data), size, 1); + io::CodedOutputStream output_stream(&array_stream); + message1.SerializeWithCachedSizes(&output_stream); + EXPECT_FALSE(output_stream.HadError()); + EXPECT_EQ(size, output_stream.ByteCount()); + } + EXPECT_TRUE(message2.ParseFromString(data)); + TestUtil::ExpectPackedFieldsSet(message2); +} + + +TEST(GeneratedMessageTest, Required) { + // Test that IsInitialized() returns false if required fields are missing. + unittest::TestRequired message; + + EXPECT_FALSE(message.IsInitialized()); + message.set_a(1); + EXPECT_FALSE(message.IsInitialized()); + message.set_b(2); + EXPECT_FALSE(message.IsInitialized()); + message.set_c(3); + EXPECT_TRUE(message.IsInitialized()); +} + +TEST(GeneratedMessageTest, RequiredForeign) { + // Test that IsInitialized() returns false if required fields in nested + // messages are missing. + unittest::TestRequiredForeign message; + + EXPECT_TRUE(message.IsInitialized()); + + message.mutable_optional_message(); + EXPECT_FALSE(message.IsInitialized()); + + message.mutable_optional_message()->set_a(1); + message.mutable_optional_message()->set_b(2); + message.mutable_optional_message()->set_c(3); + EXPECT_TRUE(message.IsInitialized()); + + message.add_repeated_message(); + EXPECT_FALSE(message.IsInitialized()); + + message.mutable_repeated_message(0)->set_a(1); + message.mutable_repeated_message(0)->set_b(2); + message.mutable_repeated_message(0)->set_c(3); + EXPECT_TRUE(message.IsInitialized()); +} + +TEST(GeneratedMessageTest, ForeignNested) { + // Test that TestAllTypes::NestedMessage can be embedded directly into + // another message. + unittest::TestForeignNested message; + + // If this compiles and runs without crashing, it must work. We have + // nothing more to test. + unittest::TestAllTypes::NestedMessage* nested = + message.mutable_foreign_nested(); + nested->set_bb(1); +} + +TEST(GeneratedMessageTest, ReallyLargeTagNumber) { + // Test that really large tag numbers don't break anything. + unittest::TestReallyLargeTagNumber message1, message2; + string data; + + // For the most part, if this compiles and runs then we're probably good. + // (The most likely cause for failure would be if something were attempting + // to allocate a lookup table of some sort using tag numbers as the index.) + // We'll try serializing just for fun. + message1.set_a(1234); + message1.set_bb(5678); + message1.SerializeToString(&data); + EXPECT_TRUE(message2.ParseFromString(data)); + EXPECT_EQ(1234, message2.a()); + EXPECT_EQ(5678, message2.bb()); +} + +TEST(GeneratedMessageTest, MutualRecursion) { + // Test that mutually-recursive message types work. + unittest::TestMutualRecursionA message; + unittest::TestMutualRecursionA* nested = message.mutable_bb()->mutable_a(); + unittest::TestMutualRecursionA* nested2 = nested->mutable_bb()->mutable_a(); + + // Again, if the above compiles and runs, that's all we really have to + // test, but just for run we'll check that the system didn't somehow come + // up with a pointer loop... + EXPECT_NE(&message, nested); + EXPECT_NE(&message, nested2); + EXPECT_NE(nested, nested2); +} + +TEST(GeneratedMessageTest, CamelCaseFieldNames) { + // This test is mainly checking that the following compiles, which verifies + // that the field names were coerced to lower-case. + // + // Protocol buffers standard style is to use lowercase-with-underscores for + // field names. Some old proto1 .protos unfortunately used camel-case field + // names. In proto1, these names were forced to lower-case. So, we do the + // same thing in proto2. + + unittest::TestCamelCaseFieldNames message; + + message.set_primitivefield(2); + message.set_stringfield("foo"); + message.set_enumfield(unittest::FOREIGN_FOO); + message.mutable_messagefield()->set_c(6); + + message.add_repeatedprimitivefield(8); + message.add_repeatedstringfield("qux"); + message.add_repeatedenumfield(unittest::FOREIGN_BAR); + message.add_repeatedmessagefield()->set_c(15); + + EXPECT_EQ(2, message.primitivefield()); + EXPECT_EQ("foo", message.stringfield()); + EXPECT_EQ(unittest::FOREIGN_FOO, message.enumfield()); + EXPECT_EQ(6, message.messagefield().c()); + + EXPECT_EQ(8, message.repeatedprimitivefield(0)); + EXPECT_EQ("qux", message.repeatedstringfield(0)); + EXPECT_EQ(unittest::FOREIGN_BAR, message.repeatedenumfield(0)); + EXPECT_EQ(15, message.repeatedmessagefield(0).c()); +} + +TEST(GeneratedMessageTest, TestConflictingSymbolNames) { + // test_bad_identifiers.proto successfully compiled, then it works. The + // following is just a token usage to insure that the code is, in fact, + // being compiled and linked. + + protobuf_unittest::TestConflictingSymbolNames message; + message.set_uint32(1); + EXPECT_EQ(3, message.ByteSize()); + + message.set_friend_(5); + EXPECT_EQ(5, message.friend_()); +} + +#ifndef PROTOBUF_TEST_NO_DESCRIPTORS + +TEST(GeneratedMessageTest, TestOptimizedForSize) { + // We rely on the tests in reflection_ops_unittest and wire_format_unittest + // to really test that reflection-based methods work. Here we are mostly + // just making sure that TestOptimizedForSize actually builds and seems to + // function. + + protobuf_unittest::TestOptimizedForSize message, message2; + message.set_i(1); + message.mutable_msg()->set_c(2); + message2.CopyFrom(message); + EXPECT_EQ(1, message2.i()); + EXPECT_EQ(2, message2.msg().c()); +} + +TEST(GeneratedMessageTest, TestEmbedOptimizedForSize) { + // Verifies that something optimized for speed can contain something optimized + // for size. + + protobuf_unittest::TestEmbedOptimizedForSize message, message2; + message.mutable_optional_message()->set_i(1); + message.add_repeated_message()->mutable_msg()->set_c(2); + string data; + message.SerializeToString(&data); + ASSERT_TRUE(message2.ParseFromString(data)); + EXPECT_EQ(1, message2.optional_message().i()); + EXPECT_EQ(2, message2.repeated_message(0).msg().c()); +} + +TEST(GeneratedMessageTest, TestSpaceUsed) { + unittest::TestAllTypes message1; + // sizeof provides a lower bound on SpaceUsed(). + EXPECT_LE(sizeof(unittest::TestAllTypes), message1.SpaceUsed()); + const int empty_message_size = message1.SpaceUsed(); + + // Setting primitive types shouldn't affect the space used. + message1.set_optional_int32(123); + message1.set_optional_int64(12345); + message1.set_optional_uint32(123); + message1.set_optional_uint64(12345); + EXPECT_EQ(empty_message_size, message1.SpaceUsed()); + + // On some STL implementations, setting the string to a small value should + // only increase SpaceUsed() by the size of a string object, though this is + // not true everywhere. + message1.set_optional_string("abc"); + EXPECT_LE(empty_message_size + sizeof(string), message1.SpaceUsed()); + + // Setting a string to a value larger than the string object itself should + // increase SpaceUsed(), because it cannot store the value internally. + message1.set_optional_string(string(sizeof(string) + 1, 'x')); + int min_expected_increase = message1.optional_string().capacity() + + sizeof(string); + EXPECT_LE(empty_message_size + min_expected_increase, + message1.SpaceUsed()); + + int previous_size = message1.SpaceUsed(); + // Adding an optional message should increase the size by the size of the + // nested message type. NestedMessage is simple enough (1 int field) that it + // is equal to sizeof(NestedMessage) + message1.mutable_optional_nested_message(); + ASSERT_EQ(sizeof(unittest::TestAllTypes::NestedMessage), + message1.optional_nested_message().SpaceUsed()); + EXPECT_EQ(previous_size + + sizeof(unittest::TestAllTypes::NestedMessage), + message1.SpaceUsed()); +} + +#endif // !PROTOBUF_TEST_NO_DESCRIPTORS + +TEST(GeneratedMessageTest, FieldConstantValues) { + unittest::TestRequired message; + EXPECT_EQ(unittest::TestAllTypes_NestedMessage::kBbFieldNumber, 1); + EXPECT_EQ(unittest::TestAllTypes::kOptionalInt32FieldNumber, 1); + EXPECT_EQ(unittest::TestAllTypes::kOptionalgroupFieldNumber, 16); + EXPECT_EQ(unittest::TestAllTypes::kOptionalNestedMessageFieldNumber, 18); + EXPECT_EQ(unittest::TestAllTypes::kOptionalNestedEnumFieldNumber, 21); + EXPECT_EQ(unittest::TestAllTypes::kRepeatedInt32FieldNumber, 31); + EXPECT_EQ(unittest::TestAllTypes::kRepeatedgroupFieldNumber, 46); + EXPECT_EQ(unittest::TestAllTypes::kRepeatedNestedMessageFieldNumber, 48); + EXPECT_EQ(unittest::TestAllTypes::kRepeatedNestedEnumFieldNumber, 51); +} + +TEST(GeneratedMessageTest, ExtensionConstantValues) { + EXPECT_EQ(unittest::TestRequired::kSingleFieldNumber, 1000); + EXPECT_EQ(unittest::TestRequired::kMultiFieldNumber, 1001); + EXPECT_EQ(unittest::kOptionalInt32ExtensionFieldNumber, 1); + EXPECT_EQ(unittest::kOptionalgroupExtensionFieldNumber, 16); + EXPECT_EQ(unittest::kOptionalNestedMessageExtensionFieldNumber, 18); + EXPECT_EQ(unittest::kOptionalNestedEnumExtensionFieldNumber, 21); + EXPECT_EQ(unittest::kRepeatedInt32ExtensionFieldNumber, 31); + EXPECT_EQ(unittest::kRepeatedgroupExtensionFieldNumber, 46); + EXPECT_EQ(unittest::kRepeatedNestedMessageExtensionFieldNumber, 48); + EXPECT_EQ(unittest::kRepeatedNestedEnumExtensionFieldNumber, 51); +} + +// =================================================================== + +TEST(GeneratedEnumTest, EnumValuesAsSwitchCases) { + // Test that our nested enum values can be used as switch cases. This test + // doesn't actually do anything, the proof that it works is that it + // compiles. + int i =0; + unittest::TestAllTypes::NestedEnum a = unittest::TestAllTypes::BAR; + switch (a) { + case unittest::TestAllTypes::FOO: + i = 1; + break; + case unittest::TestAllTypes::BAR: + i = 2; + break; + case unittest::TestAllTypes::BAZ: + i = 3; + break; + // no default case: We want to make sure the compiler recognizes that + // all cases are covered. (GCC warns if you do not cover all cases of + // an enum in a switch.) + } + + // Token check just for fun. + EXPECT_EQ(2, i); +} + +TEST(GeneratedEnumTest, IsValidValue) { + // Test enum IsValidValue. + EXPECT_TRUE(unittest::TestAllTypes::NestedEnum_IsValid(1)); + EXPECT_TRUE(unittest::TestAllTypes::NestedEnum_IsValid(2)); + EXPECT_TRUE(unittest::TestAllTypes::NestedEnum_IsValid(3)); + + EXPECT_FALSE(unittest::TestAllTypes::NestedEnum_IsValid(0)); + EXPECT_FALSE(unittest::TestAllTypes::NestedEnum_IsValid(4)); + + // Make sure it also works when there are dups. + EXPECT_TRUE(unittest::TestEnumWithDupValue_IsValid(1)); + EXPECT_TRUE(unittest::TestEnumWithDupValue_IsValid(2)); + EXPECT_TRUE(unittest::TestEnumWithDupValue_IsValid(3)); + + EXPECT_FALSE(unittest::TestEnumWithDupValue_IsValid(0)); + EXPECT_FALSE(unittest::TestEnumWithDupValue_IsValid(4)); +} + +TEST(GeneratedEnumTest, MinAndMax) { + EXPECT_EQ(unittest::TestAllTypes::FOO,unittest::TestAllTypes::NestedEnum_MIN); + EXPECT_EQ(unittest::TestAllTypes::BAZ,unittest::TestAllTypes::NestedEnum_MAX); + + EXPECT_EQ(unittest::FOREIGN_FOO, unittest::ForeignEnum_MIN); + EXPECT_EQ(unittest::FOREIGN_BAZ, unittest::ForeignEnum_MAX); + + EXPECT_EQ(1, unittest::TestEnumWithDupValue_MIN); + EXPECT_EQ(3, unittest::TestEnumWithDupValue_MAX); + + EXPECT_EQ(unittest::SPARSE_E, unittest::TestSparseEnum_MIN); + EXPECT_EQ(unittest::SPARSE_C, unittest::TestSparseEnum_MAX); + + // Make sure we can use _MIN and _MAX as switch cases. + switch(unittest::SPARSE_A) { + case unittest::TestSparseEnum_MIN: + case unittest::TestSparseEnum_MAX: + break; + default: + break; + } +} + +#ifndef PROTOBUF_TEST_NO_DESCRIPTORS + +TEST(GeneratedEnumTest, Name) { + // "Names" in the presence of dup values are a bit arbitrary. + EXPECT_EQ("FOO1", unittest::TestEnumWithDupValue_Name(unittest::FOO1)); + EXPECT_EQ("FOO1", unittest::TestEnumWithDupValue_Name(unittest::FOO2)); + + EXPECT_EQ("SPARSE_A", unittest::TestSparseEnum_Name(unittest::SPARSE_A)); + EXPECT_EQ("SPARSE_B", unittest::TestSparseEnum_Name(unittest::SPARSE_B)); + EXPECT_EQ("SPARSE_C", unittest::TestSparseEnum_Name(unittest::SPARSE_C)); + EXPECT_EQ("SPARSE_D", unittest::TestSparseEnum_Name(unittest::SPARSE_D)); + EXPECT_EQ("SPARSE_E", unittest::TestSparseEnum_Name(unittest::SPARSE_E)); + EXPECT_EQ("SPARSE_F", unittest::TestSparseEnum_Name(unittest::SPARSE_F)); + EXPECT_EQ("SPARSE_G", unittest::TestSparseEnum_Name(unittest::SPARSE_G)); +} + +TEST(GeneratedEnumTest, Parse) { + unittest::TestEnumWithDupValue dup_value = unittest::FOO1; + EXPECT_TRUE(unittest::TestEnumWithDupValue_Parse("FOO1", &dup_value)); + EXPECT_EQ(unittest::FOO1, dup_value); + EXPECT_TRUE(unittest::TestEnumWithDupValue_Parse("FOO2", &dup_value)); + EXPECT_EQ(unittest::FOO2, dup_value); + EXPECT_FALSE(unittest::TestEnumWithDupValue_Parse("FOO", &dup_value)); +} + +TEST(GeneratedEnumTest, GetEnumDescriptor) { + EXPECT_EQ(unittest::TestAllTypes::NestedEnum_descriptor(), + GetEnumDescriptor<unittest::TestAllTypes::NestedEnum>()); + EXPECT_EQ(unittest::ForeignEnum_descriptor(), + GetEnumDescriptor<unittest::ForeignEnum>()); + EXPECT_EQ(unittest::TestEnumWithDupValue_descriptor(), + GetEnumDescriptor<unittest::TestEnumWithDupValue>()); + EXPECT_EQ(unittest::TestSparseEnum_descriptor(), + GetEnumDescriptor<unittest::TestSparseEnum>()); +} + +#endif // PROTOBUF_TEST_NO_DESCRIPTORS + +// =================================================================== + +#ifndef PROTOBUF_TEST_NO_DESCRIPTORS + +// Support code for testing services. +class GeneratedServiceTest : public testing::Test { + protected: + class MockTestService : public unittest::TestService { + public: + MockTestService() + : called_(false), + method_(""), + controller_(NULL), + request_(NULL), + response_(NULL), + done_(NULL) {} + + ~MockTestService() {} + + void Reset() { called_ = false; } + + // implements TestService ---------------------------------------- + + void Foo(RpcController* controller, + const unittest::FooRequest* request, + unittest::FooResponse* response, + Closure* done) { + ASSERT_FALSE(called_); + called_ = true; + method_ = "Foo"; + controller_ = controller; + request_ = request; + response_ = response; + done_ = done; + } + + void Bar(RpcController* controller, + const unittest::BarRequest* request, + unittest::BarResponse* response, + Closure* done) { + ASSERT_FALSE(called_); + called_ = true; + method_ = "Bar"; + controller_ = controller; + request_ = request; + response_ = response; + done_ = done; + } + + // --------------------------------------------------------------- + + bool called_; + string method_; + RpcController* controller_; + const Message* request_; + Message* response_; + Closure* done_; + }; + + class MockRpcChannel : public RpcChannel { + public: + MockRpcChannel() + : called_(false), + method_(NULL), + controller_(NULL), + request_(NULL), + response_(NULL), + done_(NULL), + destroyed_(NULL) {} + + ~MockRpcChannel() { + if (destroyed_ != NULL) *destroyed_ = true; + } + + void Reset() { called_ = false; } + + // implements TestService ---------------------------------------- + + void CallMethod(const MethodDescriptor* method, + RpcController* controller, + const Message* request, + Message* response, + Closure* done) { + ASSERT_FALSE(called_); + called_ = true; + method_ = method; + controller_ = controller; + request_ = request; + response_ = response; + done_ = done; + } + + // --------------------------------------------------------------- + + bool called_; + const MethodDescriptor* method_; + RpcController* controller_; + const Message* request_; + Message* response_; + Closure* done_; + bool* destroyed_; + }; + + class MockController : public RpcController { + public: + void Reset() { + ADD_FAILURE() << "Reset() not expected during this test."; + } + bool Failed() const { + ADD_FAILURE() << "Failed() not expected during this test."; + return false; + } + string ErrorText() const { + ADD_FAILURE() << "ErrorText() not expected during this test."; + return ""; + } + void StartCancel() { + ADD_FAILURE() << "StartCancel() not expected during this test."; + } + void SetFailed(const string& reason) { + ADD_FAILURE() << "SetFailed() not expected during this test."; + } + bool IsCanceled() const { + ADD_FAILURE() << "IsCanceled() not expected during this test."; + return false; + } + void NotifyOnCancel(Closure* callback) { + ADD_FAILURE() << "NotifyOnCancel() not expected during this test."; + } + }; + + GeneratedServiceTest() + : descriptor_(unittest::TestService::descriptor()), + foo_(descriptor_->FindMethodByName("Foo")), + bar_(descriptor_->FindMethodByName("Bar")), + stub_(&mock_channel_), + done_(NewPermanentCallback(&DoNothing)) {} + + virtual void SetUp() { + ASSERT_TRUE(foo_ != NULL); + ASSERT_TRUE(bar_ != NULL); + } + + const ServiceDescriptor* descriptor_; + const MethodDescriptor* foo_; + const MethodDescriptor* bar_; + + MockTestService mock_service_; + MockController mock_controller_; + + MockRpcChannel mock_channel_; + unittest::TestService::Stub stub_; + + // Just so we don't have to re-define these with every test. + unittest::FooRequest foo_request_; + unittest::FooResponse foo_response_; + unittest::BarRequest bar_request_; + unittest::BarResponse bar_response_; + scoped_ptr<Closure> done_; +}; + +TEST_F(GeneratedServiceTest, GetDescriptor) { + // Test that GetDescriptor() works. + + EXPECT_EQ(descriptor_, mock_service_.GetDescriptor()); +} + +TEST_F(GeneratedServiceTest, GetChannel) { + EXPECT_EQ(&mock_channel_, stub_.channel()); +} + +TEST_F(GeneratedServiceTest, OwnsChannel) { + MockRpcChannel* channel = new MockRpcChannel; + bool destroyed = false; + channel->destroyed_ = &destroyed; + + { + unittest::TestService::Stub owning_stub(channel, + Service::STUB_OWNS_CHANNEL); + EXPECT_FALSE(destroyed); + } + + EXPECT_TRUE(destroyed); +} + +TEST_F(GeneratedServiceTest, CallMethod) { + // Test that CallMethod() works. + + // Call Foo() via CallMethod(). + mock_service_.CallMethod(foo_, &mock_controller_, + &foo_request_, &foo_response_, done_.get()); + + ASSERT_TRUE(mock_service_.called_); + + EXPECT_EQ("Foo" , mock_service_.method_ ); + EXPECT_EQ(&mock_controller_, mock_service_.controller_); + EXPECT_EQ(&foo_request_ , mock_service_.request_ ); + EXPECT_EQ(&foo_response_ , mock_service_.response_ ); + EXPECT_EQ(done_.get() , mock_service_.done_ ); + + // Try again, but call Bar() instead. + mock_service_.Reset(); + mock_service_.CallMethod(bar_, &mock_controller_, + &bar_request_, &bar_response_, done_.get()); + + ASSERT_TRUE(mock_service_.called_); + EXPECT_EQ("Bar", mock_service_.method_); +} + +TEST_F(GeneratedServiceTest, CallMethodTypeFailure) { + // Verify death if we call Foo() with Bar's message types. + +#ifdef GTEST_HAS_DEATH_TEST // death tests do not work on Windows yet + EXPECT_DEBUG_DEATH( + mock_service_.CallMethod(foo_, &mock_controller_, + &foo_request_, &bar_response_, done_.get()), + "dynamic_cast"); + + mock_service_.Reset(); + EXPECT_DEBUG_DEATH( + mock_service_.CallMethod(foo_, &mock_controller_, + &bar_request_, &foo_response_, done_.get()), + "dynamic_cast"); +#endif // GTEST_HAS_DEATH_TEST +} + +TEST_F(GeneratedServiceTest, GetPrototypes) { + // Test Get{Request,Response}Prototype() methods. + + EXPECT_EQ(&unittest::FooRequest::default_instance(), + &mock_service_.GetRequestPrototype(foo_)); + EXPECT_EQ(&unittest::BarRequest::default_instance(), + &mock_service_.GetRequestPrototype(bar_)); + + EXPECT_EQ(&unittest::FooResponse::default_instance(), + &mock_service_.GetResponsePrototype(foo_)); + EXPECT_EQ(&unittest::BarResponse::default_instance(), + &mock_service_.GetResponsePrototype(bar_)); +} + +TEST_F(GeneratedServiceTest, Stub) { + // Test that the stub class works. + + // Call Foo() via the stub. + stub_.Foo(&mock_controller_, &foo_request_, &foo_response_, done_.get()); + + ASSERT_TRUE(mock_channel_.called_); + + EXPECT_EQ(foo_ , mock_channel_.method_ ); + EXPECT_EQ(&mock_controller_, mock_channel_.controller_); + EXPECT_EQ(&foo_request_ , mock_channel_.request_ ); + EXPECT_EQ(&foo_response_ , mock_channel_.response_ ); + EXPECT_EQ(done_.get() , mock_channel_.done_ ); + + // Call Bar() via the stub. + mock_channel_.Reset(); + stub_.Bar(&mock_controller_, &bar_request_, &bar_response_, done_.get()); + + ASSERT_TRUE(mock_channel_.called_); + EXPECT_EQ(bar_, mock_channel_.method_); +} + +TEST_F(GeneratedServiceTest, NotImplemented) { + // Test that failing to implement a method of a service causes it to fail + // with a "not implemented" error message. + + // A service which doesn't implement any methods. + class UnimplementedService : public unittest::TestService { + public: + UnimplementedService() {} + }; + + UnimplementedService unimplemented_service; + + // And a controller which expects to get a "not implemented" error. + class ExpectUnimplementedController : public MockController { + public: + ExpectUnimplementedController() : called_(false) {} + + void SetFailed(const string& reason) { + EXPECT_FALSE(called_); + called_ = true; + EXPECT_EQ("Method Foo() not implemented.", reason); + } + + bool called_; + }; + + ExpectUnimplementedController controller; + + // Call Foo. + unimplemented_service.Foo(&controller, &foo_request_, &foo_response_, + done_.get()); + + EXPECT_TRUE(controller.called_); +} + +#endif // !PROTOBUF_TEST_NO_DESCRIPTORS + +// =================================================================== + +// This test must run last. It verifies that descriptors were or were not +// initialized depending on whether PROTOBUF_TEST_NO_DESCRIPTORS was defined. +// When this is defined, we skip all tests which are expected to trigger +// descriptor initialization. This verifies that everything else still works +// if descriptors are not initialized. +TEST(DescriptorInitializationTest, Initialized) { +#ifdef PROTOBUF_TEST_NO_DESCRIPTORS + bool should_have_descriptors = false; +#else + bool should_have_descriptors = true; +#endif + + EXPECT_EQ(should_have_descriptors, + DescriptorPool::generated_pool()->InternalIsFileLoaded( + "google/protobuf/unittest.proto")); +} + +} // namespace cpp_unittest + +} // namespace cpp +} // namespace compiler +} // namespace protobuf +} // namespace google |