1 // Protocol Buffers - Google's data interchange format 2 // Copyright 2008 Google Inc. All rights reserved. 3 // http://code.google.com/p/protobuf/ 4 // 5 // Redistribution and use in source and binary forms, with or without 6 // modification, are permitted provided that the following conditions are 7 // met: 8 // 9 // * Redistributions of source code must retain the above copyright 10 // notice, this list of conditions and the following disclaimer. 11 // * Redistributions in binary form must reproduce the above 12 // copyright notice, this list of conditions and the following disclaimer 13 // in the documentation and/or other materials provided with the 14 // distribution. 15 // * Neither the name of Google Inc. nor the names of its 16 // contributors may be used to endorse or promote products derived from 17 // this software without specific prior written permission. 18 // 19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31 // Author: kenton (at) google.com (Kenton Varda) 32 // Based on original Protocol Buffers design by 33 // Sanjay Ghemawat, Jeff Dean, and others. 34 // 35 // Since the reflection interface for DynamicMessage is implemented by 36 // GenericMessageReflection, the only thing we really have to test is 37 // that DynamicMessage correctly sets up the information that 38 // GenericMessageReflection needs to use. So, we focus on that in this 39 // test. Other tests, such as generic_message_reflection_unittest and 40 // reflection_ops_unittest, cover the rest of the functionality used by 41 // DynamicMessage. 42 43 #include <google/protobuf/stubs/common.h> 44 #include <google/protobuf/dynamic_message.h> 45 #include <google/protobuf/descriptor.h> 46 #include <google/protobuf/descriptor.pb.h> 47 #include <google/protobuf/test_util.h> 48 #include <google/protobuf/unittest.pb.h> 49 50 #include <google/protobuf/testing/googletest.h> 51 #include <gtest/gtest.h> 52 53 namespace google { 54 namespace protobuf { 55 56 class DynamicMessageTest : public testing::Test { 57 protected: 58 DescriptorPool pool_; 59 DynamicMessageFactory factory_; 60 const Descriptor* descriptor_; 61 const Message* prototype_; 62 const Descriptor* extensions_descriptor_; 63 const Message* extensions_prototype_; 64 const Descriptor* packed_descriptor_; 65 const Message* packed_prototype_; 66 67 DynamicMessageTest(): factory_(&pool_) {} 68 69 virtual void SetUp() { 70 // We want to make sure that DynamicMessage works (particularly with 71 // extensions) even if we use descriptors that are *not* from compiled-in 72 // types, so we make copies of the descriptors for unittest.proto and 73 // unittest_import.proto. 74 FileDescriptorProto unittest_file; 75 FileDescriptorProto unittest_import_file; 76 77 unittest::TestAllTypes::descriptor()->file()->CopyTo(&unittest_file); 78 unittest_import::ImportMessage::descriptor()->file()->CopyTo( 79 &unittest_import_file); 80 81 ASSERT_TRUE(pool_.BuildFile(unittest_import_file) != NULL); 82 ASSERT_TRUE(pool_.BuildFile(unittest_file) != NULL); 83 84 descriptor_ = pool_.FindMessageTypeByName("protobuf_unittest.TestAllTypes"); 85 ASSERT_TRUE(descriptor_ != NULL); 86 prototype_ = factory_.GetPrototype(descriptor_); 87 88 extensions_descriptor_ = 89 pool_.FindMessageTypeByName("protobuf_unittest.TestAllExtensions"); 90 ASSERT_TRUE(extensions_descriptor_ != NULL); 91 extensions_prototype_ = factory_.GetPrototype(extensions_descriptor_); 92 93 packed_descriptor_ = 94 pool_.FindMessageTypeByName("protobuf_unittest.TestPackedTypes"); 95 ASSERT_TRUE(packed_descriptor_ != NULL); 96 packed_prototype_ = factory_.GetPrototype(packed_descriptor_); 97 } 98 }; 99 100 TEST_F(DynamicMessageTest, Descriptor) { 101 // Check that the descriptor on the DynamicMessage matches the descriptor 102 // passed to GetPrototype(). 103 EXPECT_EQ(prototype_->GetDescriptor(), descriptor_); 104 } 105 106 TEST_F(DynamicMessageTest, OnePrototype) { 107 // Check that requesting the same prototype twice produces the same object. 108 EXPECT_EQ(prototype_, factory_.GetPrototype(descriptor_)); 109 } 110 111 TEST_F(DynamicMessageTest, Defaults) { 112 // Check that all default values are set correctly in the initial message. 113 TestUtil::ReflectionTester reflection_tester(descriptor_); 114 reflection_tester.ExpectClearViaReflection(*prototype_); 115 } 116 117 TEST_F(DynamicMessageTest, IndependentOffsets) { 118 // Check that all fields have independent offsets by setting each 119 // one to a unique value then checking that they all still have those 120 // unique values (i.e. they don't stomp each other). 121 scoped_ptr<Message> message(prototype_->New()); 122 TestUtil::ReflectionTester reflection_tester(descriptor_); 123 124 reflection_tester.SetAllFieldsViaReflection(message.get()); 125 reflection_tester.ExpectAllFieldsSetViaReflection(*message); 126 } 127 128 TEST_F(DynamicMessageTest, Extensions) { 129 // Check that extensions work. 130 scoped_ptr<Message> message(extensions_prototype_->New()); 131 TestUtil::ReflectionTester reflection_tester(extensions_descriptor_); 132 133 reflection_tester.SetAllFieldsViaReflection(message.get()); 134 reflection_tester.ExpectAllFieldsSetViaReflection(*message); 135 } 136 137 TEST_F(DynamicMessageTest, PackedFields) { 138 // Check that packed fields work properly. 139 scoped_ptr<Message> message(packed_prototype_->New()); 140 TestUtil::ReflectionTester reflection_tester(packed_descriptor_); 141 142 reflection_tester.SetPackedFieldsViaReflection(message.get()); 143 reflection_tester.ExpectPackedFieldsSetViaReflection(*message); 144 } 145 146 TEST_F(DynamicMessageTest, SpaceUsed) { 147 // Test that SpaceUsed() works properly 148 149 // Since we share the implementation with generated messages, we don't need 150 // to test very much here. Just make sure it appears to be working. 151 152 scoped_ptr<Message> message(prototype_->New()); 153 TestUtil::ReflectionTester reflection_tester(descriptor_); 154 155 int initial_space_used = message->SpaceUsed(); 156 157 reflection_tester.SetAllFieldsViaReflection(message.get()); 158 EXPECT_LT(initial_space_used, message->SpaceUsed()); 159 } 160 161 } // namespace protobuf 162 } // namespace google 163
