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 * 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.
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 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
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 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
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 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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/* Test of mini table accessors.
 *
 * Messages are created and mutated using generated code, and then
 * accessed through reflective APIs exposed through mini table accessors.
 */

#include "upb/mini_table_accessors.h"

#include "gtest/gtest.h"
#include "src/google/protobuf/test_messages_proto2.upb.h"
#include "src/google/protobuf/test_messages_proto3.upb.h"
#include "upb/mini_table.h"

namespace {

// Proto Field numbers used for reflective access.
const uint32_t kFieldOptionalInt32 = 1;
const uint32_t kFieldOptionalBool = 13;
const uint32_t kFieldOptionalString = 14;
const uint32_t kFieldOptionalNestedMessage = 18;
const uint32_t kFieldOptionalOneOfUInt32 = 111;
const uint32_t kFieldOptionalOneOfString = 113;

const char kTestStr1[] = "Hello";
const int32_t kTestInt32 = 567;

const upb_MiniTable_Field* find_proto2_field(int field_number) {
  return upb_MiniTable_FindFieldByNumber(
      &protobuf_test_messages_proto2_TestAllTypesProto2_msginit, field_number);
}

TEST(GeneratedCode, HazzersProto2) {
  upb_Arena* arena = upb_Arena_New();
  protobuf_test_messages_proto2_TestAllTypesProto2* msg =
      protobuf_test_messages_proto2_TestAllTypesProto2_new(arena);

  // Scalar/Boolean.
  const upb_MiniTable_Field* optional_bool_field =
      find_proto2_field(kFieldOptionalBool);
  EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_bool_field));
  protobuf_test_messages_proto2_TestAllTypesProto2_set_optional_bool(msg, true);
  EXPECT_EQ(true, upb_MiniTable_HasField(msg, optional_bool_field));
  upb_MiniTable_ClearField(msg, optional_bool_field);
  EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_bool_field));
  EXPECT_EQ(
      false,
      protobuf_test_messages_proto2_TestAllTypesProto2_optional_bool(msg));

  // String.
  const upb_MiniTable_Field* optional_string_field =
      find_proto2_field(kFieldOptionalString);
  EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_string_field));
  protobuf_test_messages_proto2_TestAllTypesProto2_set_optional_string(
      msg, upb_StringView_FromString(kTestStr1));
  EXPECT_EQ(true, upb_MiniTable_HasField(msg, optional_string_field));
  EXPECT_EQ(
      strlen(kTestStr1),
      protobuf_test_messages_proto2_TestAllTypesProto2_optional_string(msg)
          .size);
  upb_MiniTable_ClearField(msg, optional_string_field);
  EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_string_field));
  EXPECT_EQ(
      0, protobuf_test_messages_proto2_TestAllTypesProto2_optional_string(msg)
             .size);

  // Message.
  const upb_MiniTable_Field* optional_message_field =
      find_proto2_field(kFieldOptionalNestedMessage);
  EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_message_field));
  protobuf_test_messages_proto2_TestAllTypesProto2_mutable_optional_nested_message(
      msg, arena);
  EXPECT_EQ(true, upb_MiniTable_HasField(msg, optional_message_field));
  upb_MiniTable_ClearField(msg, optional_message_field);
  EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_message_field));
  EXPECT_EQ(
      true,
      protobuf_test_messages_proto2_TestAllTypesProto2_optional_nested_message(
          msg) == nullptr);

  // One of.
  const upb_MiniTable_Field* optional_oneof_uint32_field =
      find_proto2_field(kFieldOptionalOneOfUInt32);
  const upb_MiniTable_Field* optional_oneof_string_field =
      find_proto2_field(kFieldOptionalOneOfString);

  EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_oneof_uint32_field));
  EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_oneof_string_field));
  protobuf_test_messages_proto2_TestAllTypesProto2_set_oneof_uint32(msg, 123);
  EXPECT_EQ(true, upb_MiniTable_HasField(msg, optional_oneof_uint32_field));
  EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_oneof_string_field));
  protobuf_test_messages_proto2_TestAllTypesProto2_set_oneof_string(
      msg, upb_StringView_FromString(kTestStr1));
  EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_oneof_uint32_field));
  EXPECT_EQ(true, upb_MiniTable_HasField(msg, optional_oneof_string_field));
  upb_MiniTable_ClearField(msg, optional_oneof_uint32_field);
  EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_oneof_uint32_field));
  EXPECT_EQ(true, upb_MiniTable_HasField(msg, optional_oneof_string_field));
  upb_MiniTable_ClearField(msg, optional_oneof_string_field);
  EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_oneof_uint32_field));
  EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_oneof_string_field));

  upb_Arena_Free(arena);
}

TEST(GeneratedCode, ScalarsProto2) {
  upb_Arena* arena = upb_Arena_New();
  protobuf_test_messages_proto2_TestAllTypesProto2* msg =
      protobuf_test_messages_proto2_TestAllTypesProto2_new(arena);

  const upb_MiniTable_Field* optional_int32_field =
      find_proto2_field(kFieldOptionalInt32);

  EXPECT_EQ(
      0, protobuf_test_messages_proto2_TestAllTypesProto2_optional_int32(msg));

  EXPECT_EQ(0, upb_MiniTable_GetInt32(msg, optional_int32_field));
  upb_MiniTable_SetInt32(msg, optional_int32_field, kTestInt32);
  EXPECT_EQ(true, upb_MiniTable_HasField(msg, optional_int32_field));
  EXPECT_EQ(kTestInt32, upb_MiniTable_GetInt32(msg, optional_int32_field));
  EXPECT_EQ(
      kTestInt32,
      protobuf_test_messages_proto2_TestAllTypesProto2_optional_int32(msg));

  upb_Arena_Free(arena);
}

}  // namespace