root/third_party/protobuf/src/google/protobuf/reflection_ops_unittest.cc

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DEFINITIONS

This source file includes following definitions.
  1. TEST
  2. TEST
  3. TEST
  4. TEST
  5. TEST
  6. TEST
  7. TEST
  8. TEST
  9. TEST
  10. TEST
  11. TEST
  12. TEST
  13. TEST
  14. TEST
  15. TEST
  16. FindInitializationErrors
  17. TEST
  18. TEST
  19. TEST

// 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/reflection_ops.h>
#include <google/protobuf/descriptor.h>
#include <google/protobuf/unittest.pb.h>
#include <google/protobuf/test_util.h>

#include <google/protobuf/stubs/common.h>
#include <google/protobuf/testing/googletest.h>
#include <gtest/gtest.h>
#include <google/protobuf/stubs/strutil.h>

namespace google {
namespace protobuf {
namespace internal {
namespace {

TEST(ReflectionOpsTest, SanityCheck) {
  unittest::TestAllTypes message;

  TestUtil::SetAllFields(&message);
  TestUtil::ExpectAllFieldsSet(message);
}

TEST(ReflectionOpsTest, Copy) {
  unittest::TestAllTypes message, message2;

  TestUtil::SetAllFields(&message);

  ReflectionOps::Copy(message, &message2);

  TestUtil::ExpectAllFieldsSet(message2);

  // Copying from self should be a no-op.
  ReflectionOps::Copy(message2, &message2);
  TestUtil::ExpectAllFieldsSet(message2);
}

TEST(ReflectionOpsTest, CopyExtensions) {
  unittest::TestAllExtensions message, message2;

  TestUtil::SetAllExtensions(&message);

  ReflectionOps::Copy(message, &message2);

  TestUtil::ExpectAllExtensionsSet(message2);
}

TEST(ReflectionOpsTest, Merge) {
  // Note:  Copy is implemented in terms of Merge() so technically the Copy
  //   test already tested most of this.

  unittest::TestAllTypes message, message2;

  TestUtil::SetAllFields(&message);

  // This field will test merging into an empty spot.
  message2.set_optional_int32(message.optional_int32());
  message.clear_optional_int32();

  // This tests overwriting.
  message2.set_optional_string(message.optional_string());
  message.set_optional_string("something else");

  // This tests concatenating.
  message2.add_repeated_int32(message.repeated_int32(1));
  int32 i = message.repeated_int32(0);
  message.clear_repeated_int32();
  message.add_repeated_int32(i);

  ReflectionOps::Merge(message2, &message);

  TestUtil::ExpectAllFieldsSet(message);
}

TEST(ReflectionOpsTest, MergeExtensions) {
  // Note:  Copy is implemented in terms of Merge() so technically the Copy
  //   test already tested most of this.

  unittest::TestAllExtensions message, message2;

  TestUtil::SetAllExtensions(&message);

  // This field will test merging into an empty spot.
  message2.SetExtension(unittest::optional_int32_extension,
    message.GetExtension(unittest::optional_int32_extension));
  message.ClearExtension(unittest::optional_int32_extension);

  // This tests overwriting.
  message2.SetExtension(unittest::optional_string_extension,
    message.GetExtension(unittest::optional_string_extension));
  message.SetExtension(unittest::optional_string_extension, "something else");

  // This tests concatenating.
  message2.AddExtension(unittest::repeated_int32_extension,
    message.GetExtension(unittest::repeated_int32_extension, 1));
  int32 i = message.GetExtension(unittest::repeated_int32_extension, 0);
  message.ClearExtension(unittest::repeated_int32_extension);
  message.AddExtension(unittest::repeated_int32_extension, i);

  ReflectionOps::Merge(message2, &message);

  TestUtil::ExpectAllExtensionsSet(message);
}

TEST(ReflectionOpsTest, MergeUnknown) {
  // Test that the messages' UnknownFieldSets are correctly merged.
  unittest::TestEmptyMessage message1, message2;
  message1.mutable_unknown_fields()->AddVarint(1234, 1);
  message2.mutable_unknown_fields()->AddVarint(1234, 2);

  ReflectionOps::Merge(message2, &message1);

  ASSERT_EQ(2, message1.unknown_fields().field_count());
  ASSERT_EQ(UnknownField::TYPE_VARINT,
            message1.unknown_fields().field(0).type());
  EXPECT_EQ(1, message1.unknown_fields().field(0).varint());
  ASSERT_EQ(UnknownField::TYPE_VARINT,
            message1.unknown_fields().field(1).type());
  EXPECT_EQ(2, message1.unknown_fields().field(1).varint());
}

#ifdef PROTOBUF_HAS_DEATH_TEST

TEST(ReflectionOpsTest, MergeFromSelf) {
  // Note:  Copy is implemented in terms of Merge() so technically the Copy
  //   test already tested most of this.

  unittest::TestAllTypes message;

  EXPECT_DEATH(
    ReflectionOps::Merge(message, &message),
    "&from");
}

#endif  // PROTOBUF_HAS_DEATH_TEST

TEST(ReflectionOpsTest, Clear) {
  unittest::TestAllTypes message;

  TestUtil::SetAllFields(&message);

  ReflectionOps::Clear(&message);

  TestUtil::ExpectClear(message);

  // Check that getting embedded messages returns the objects created during
  // SetAllFields() rather than default instances.
  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(ReflectionOpsTest, ClearExtensions) {
  unittest::TestAllExtensions message;

  TestUtil::SetAllExtensions(&message);

  ReflectionOps::Clear(&message);

  TestUtil::ExpectExtensionsClear(message);

  // Check that getting embedded messages returns the objects created during
  // SetAllExtensions() rather than default instances.
  EXPECT_NE(&unittest::OptionalGroup_extension::default_instance(),
            &message.GetExtension(unittest::optionalgroup_extension));
  EXPECT_NE(&unittest::TestAllTypes::NestedMessage::default_instance(),
            &message.GetExtension(unittest::optional_nested_message_extension));
  EXPECT_NE(&unittest::ForeignMessage::default_instance(),
            &message.GetExtension(
              unittest::optional_foreign_message_extension));
  EXPECT_NE(&unittest_import::ImportMessage::default_instance(),
            &message.GetExtension(unittest::optional_import_message_extension));
}

TEST(ReflectionOpsTest, ClearUnknown) {
  // Test that the message's UnknownFieldSet is correctly cleared.
  unittest::TestEmptyMessage message;
  message.mutable_unknown_fields()->AddVarint(1234, 1);

  ReflectionOps::Clear(&message);

  EXPECT_EQ(0, message.unknown_fields().field_count());
}

TEST(ReflectionOpsTest, DiscardUnknownFields) {
  unittest::TestAllTypes message;
  TestUtil::SetAllFields(&message);

  // Set some unknown fields in message.
  message.mutable_unknown_fields()
        ->AddVarint(123456, 654321);
  message.mutable_optional_nested_message()
        ->mutable_unknown_fields()
        ->AddVarint(123456, 654321);
  message.mutable_repeated_nested_message(0)
        ->mutable_unknown_fields()
        ->AddVarint(123456, 654321);

  EXPECT_EQ(1, message.unknown_fields().field_count());
  EXPECT_EQ(1, message.optional_nested_message()
                      .unknown_fields().field_count());
  EXPECT_EQ(1, message.repeated_nested_message(0)
                      .unknown_fields().field_count());

  // Discard them.
  ReflectionOps::DiscardUnknownFields(&message);
  TestUtil::ExpectAllFieldsSet(message);

  EXPECT_EQ(0, message.unknown_fields().field_count());
  EXPECT_EQ(0, message.optional_nested_message()
                      .unknown_fields().field_count());
  EXPECT_EQ(0, message.repeated_nested_message(0)
                      .unknown_fields().field_count());
}

TEST(ReflectionOpsTest, DiscardUnknownExtensions) {
  unittest::TestAllExtensions message;
  TestUtil::SetAllExtensions(&message);

  // Set some unknown fields.
  message.mutable_unknown_fields()
        ->AddVarint(123456, 654321);
  message.MutableExtension(unittest::optional_nested_message_extension)
        ->mutable_unknown_fields()
        ->AddVarint(123456, 654321);
  message.MutableExtension(unittest::repeated_nested_message_extension, 0)
        ->mutable_unknown_fields()
        ->AddVarint(123456, 654321);

  EXPECT_EQ(1, message.unknown_fields().field_count());
  EXPECT_EQ(1,
    message.GetExtension(unittest::optional_nested_message_extension)
           .unknown_fields().field_count());
  EXPECT_EQ(1,
    message.GetExtension(unittest::repeated_nested_message_extension, 0)
           .unknown_fields().field_count());

  // Discard them.
  ReflectionOps::DiscardUnknownFields(&message);
  TestUtil::ExpectAllExtensionsSet(message);

  EXPECT_EQ(0, message.unknown_fields().field_count());
  EXPECT_EQ(0,
    message.GetExtension(unittest::optional_nested_message_extension)
           .unknown_fields().field_count());
  EXPECT_EQ(0,
    message.GetExtension(unittest::repeated_nested_message_extension, 0)
           .unknown_fields().field_count());
}

TEST(ReflectionOpsTest, IsInitialized) {
  unittest::TestRequired message;

  EXPECT_FALSE(ReflectionOps::IsInitialized(message));
  message.set_a(1);
  EXPECT_FALSE(ReflectionOps::IsInitialized(message));
  message.set_b(2);
  EXPECT_FALSE(ReflectionOps::IsInitialized(message));
  message.set_c(3);
  EXPECT_TRUE(ReflectionOps::IsInitialized(message));
}

TEST(ReflectionOpsTest, ForeignIsInitialized) {
  unittest::TestRequiredForeign message;

  // Starts out initialized because the foreign message is itself an optional
  // field.
  EXPECT_TRUE(ReflectionOps::IsInitialized(message));

  // Once we create that field, the message is no longer initialized.
  message.mutable_optional_message();
  EXPECT_FALSE(ReflectionOps::IsInitialized(message));

  // Initialize it.  Now we're initialized.
  message.mutable_optional_message()->set_a(1);
  message.mutable_optional_message()->set_b(2);
  message.mutable_optional_message()->set_c(3);
  EXPECT_TRUE(ReflectionOps::IsInitialized(message));

  // Add a repeated version of the message.  No longer initialized.
  unittest::TestRequired* sub_message = message.add_repeated_message();
  EXPECT_FALSE(ReflectionOps::IsInitialized(message));

  // Initialize that repeated version.
  sub_message->set_a(1);
  sub_message->set_b(2);
  sub_message->set_c(3);
  EXPECT_TRUE(ReflectionOps::IsInitialized(message));
}

TEST(ReflectionOpsTest, ExtensionIsInitialized) {
  unittest::TestAllExtensions message;

  // Starts out initialized because the foreign message is itself an optional
  // field.
  EXPECT_TRUE(ReflectionOps::IsInitialized(message));

  // Once we create that field, the message is no longer initialized.
  message.MutableExtension(unittest::TestRequired::single);
  EXPECT_FALSE(ReflectionOps::IsInitialized(message));

  // Initialize it.  Now we're initialized.
  message.MutableExtension(unittest::TestRequired::single)->set_a(1);
  message.MutableExtension(unittest::TestRequired::single)->set_b(2);
  message.MutableExtension(unittest::TestRequired::single)->set_c(3);
  EXPECT_TRUE(ReflectionOps::IsInitialized(message));

  // Add a repeated version of the message.  No longer initialized.
  message.AddExtension(unittest::TestRequired::multi);
  EXPECT_FALSE(ReflectionOps::IsInitialized(message));

  // Initialize that repeated version.
  message.MutableExtension(unittest::TestRequired::multi, 0)->set_a(1);
  message.MutableExtension(unittest::TestRequired::multi, 0)->set_b(2);
  message.MutableExtension(unittest::TestRequired::multi, 0)->set_c(3);
  EXPECT_TRUE(ReflectionOps::IsInitialized(message));
}

static string FindInitializationErrors(const Message& message) {
  vector<string> errors;
  ReflectionOps::FindInitializationErrors(message, "", &errors);
  return JoinStrings(errors, ",");
}

TEST(ReflectionOpsTest, FindInitializationErrors) {
  unittest::TestRequired message;
  EXPECT_EQ("a,b,c", FindInitializationErrors(message));
}

TEST(ReflectionOpsTest, FindForeignInitializationErrors) {
  unittest::TestRequiredForeign message;
  message.mutable_optional_message();
  message.add_repeated_message();
  message.add_repeated_message();
  EXPECT_EQ("optional_message.a,"
            "optional_message.b,"
            "optional_message.c,"
            "repeated_message[0].a,"
            "repeated_message[0].b,"
            "repeated_message[0].c,"
            "repeated_message[1].a,"
            "repeated_message[1].b,"
            "repeated_message[1].c",
            FindInitializationErrors(message));
}

TEST(ReflectionOpsTest, FindExtensionInitializationErrors) {
  unittest::TestAllExtensions message;
  message.MutableExtension(unittest::TestRequired::single);
  message.AddExtension(unittest::TestRequired::multi);
  message.AddExtension(unittest::TestRequired::multi);
  EXPECT_EQ("(protobuf_unittest.TestRequired.single).a,"
            "(protobuf_unittest.TestRequired.single).b,"
            "(protobuf_unittest.TestRequired.single).c,"
            "(protobuf_unittest.TestRequired.multi)[0].a,"
            "(protobuf_unittest.TestRequired.multi)[0].b,"
            "(protobuf_unittest.TestRequired.multi)[0].c,"
            "(protobuf_unittest.TestRequired.multi)[1].a,"
            "(protobuf_unittest.TestRequired.multi)[1].b,"
            "(protobuf_unittest.TestRequired.multi)[1].c",
            FindInitializationErrors(message));
}

}  // namespace
}  // namespace internal
}  // namespace protobuf
}  // namespace google

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