1 // Protocol Buffers - Google's data interchange format
2 // Copyright 2008 Google Inc. All rights reserved.
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30
31 #include <memory>
32
33 #include <google/protobuf/unittest_drop_unknown_fields.pb.h>
34 #include <google/protobuf/dynamic_message.h>
35 #include <google/protobuf/message_lite.h>
36 #include <gtest/gtest.h>
37
38 using unittest_drop_unknown_fields::Foo;
39 using unittest_drop_unknown_fields::FooWithExtraFields;
40
41 namespace google {
42 namespace protobuf {
43
TEST(DropUnknownFieldsTest,GeneratedMessage)44 TEST(DropUnknownFieldsTest, GeneratedMessage) {
45 FooWithExtraFields foo_with_extra_fields;
46 foo_with_extra_fields.set_int32_value(1);
47 foo_with_extra_fields.set_enum_value(FooWithExtraFields::QUX);
48 foo_with_extra_fields.set_extra_int32_value(2);
49
50 Foo foo;
51 ASSERT_TRUE(foo.ParseFromString(foo_with_extra_fields.SerializeAsString()));
52 EXPECT_EQ(1, foo.int32_value());
53 EXPECT_EQ(static_cast<int>(FooWithExtraFields::QUX),
54 static_cast<int>(foo.enum_value()));
55 EXPECT_FALSE(foo.GetReflection()->GetUnknownFields(foo).empty());
56
57 ASSERT_TRUE(foo_with_extra_fields.ParseFromString(foo.SerializeAsString()));
58 EXPECT_EQ(1, foo_with_extra_fields.int32_value());
59 EXPECT_EQ(FooWithExtraFields::QUX, foo_with_extra_fields.enum_value());
60 // The "extra_int32_value" field should not be lost.
61 EXPECT_EQ(2, foo_with_extra_fields.extra_int32_value());
62 }
63
TEST(DropUnknownFieldsTest,DynamicMessage)64 TEST(DropUnknownFieldsTest, DynamicMessage) {
65 FooWithExtraFields foo_with_extra_fields;
66 foo_with_extra_fields.set_int32_value(1);
67 foo_with_extra_fields.set_enum_value(FooWithExtraFields::QUX);
68 foo_with_extra_fields.set_extra_int32_value(2);
69
70 DynamicMessageFactory factory;
71 std::unique_ptr<Message> foo(factory.GetPrototype(Foo::descriptor())->New());
72 ASSERT_TRUE(foo->ParseFromString(foo_with_extra_fields.SerializeAsString()));
73 EXPECT_FALSE(foo->GetReflection()->GetUnknownFields(*foo).empty());
74
75 ASSERT_TRUE(foo_with_extra_fields.ParseFromString(foo->SerializeAsString()));
76 EXPECT_EQ(1, foo_with_extra_fields.int32_value());
77 EXPECT_EQ(FooWithExtraFields::QUX, foo_with_extra_fields.enum_value());
78 // The "extra_int32_value" field should not be lost.
79 EXPECT_EQ(2, foo_with_extra_fields.extra_int32_value());
80 }
81
82 } // namespace protobuf
83 } // namespace google
84