Make the fuchsia mojo/public repo the source of truth.

mojo/public/cpp/bindings/tests/union_unittest.cc

Index: mojo/public/cpp/bindings/tests/union_unittest.cc
diff --git a/mojo/public/cpp/bindings/tests/union_unittest.cc b/mojo/public/cpp/bindings/tests/union_unittest.cc
deleted file mode 100644
index d12a5c595ae852c05758c965319e679ea15c3133..0000000000000000000000000000000000000000
--- a/mojo/public/cpp/bindings/tests/union_unittest.cc
+++ /dev/null
@@ -1,1253 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include <utility>
-#include <vector>
-
-#include "gtest/gtest.h"
-#include "mojo/public/cpp/bindings/array.h"
-#include "mojo/public/cpp/bindings/binding.h"
-#include "mojo/public/cpp/bindings/lib/array_internal.h"
-#include "mojo/public/cpp/bindings/lib/array_serialization.h"
-#include "mojo/public/cpp/bindings/lib/bounds_checker.h"
-#include "mojo/public/cpp/bindings/lib/fixed_buffer.h"
-#include "mojo/public/cpp/bindings/lib/map_serialization.h"
-#include "mojo/public/cpp/bindings/string.h"
-#include "mojo/public/cpp/test_support/test_utils.h"
-#include "mojo/public/cpp/utility/run_loop.h"
-#include "mojo/public/interfaces/bindings/tests/test_structs.mojom.h"
-#include "mojo/public/interfaces/bindings/tests/test_unions.mojom.h"
-
-namespace mojo {
-namespace test {
-
-TEST(UnionTest, PlainOldDataGetterSetter) {
-  PodUnionPtr pod(PodUnion::New());
-
-  pod->set_f_int8(10);
-  EXPECT_EQ(10, pod->get_f_int8());
-  EXPECT_TRUE(pod->is_f_int8());
-  EXPECT_FALSE(pod->is_f_int8_other());
-  EXPECT_EQ(pod->which(), PodUnion::Tag::F_INT8);
-
-  pod->set_f_uint8(11);
-  EXPECT_EQ(11, pod->get_f_uint8());
-  EXPECT_TRUE(pod->is_f_uint8());
-  EXPECT_FALSE(pod->is_f_int8());
-  EXPECT_EQ(pod->which(), PodUnion::Tag::F_UINT8);
-
-  pod->set_f_int16(12);
-  EXPECT_EQ(12, pod->get_f_int16());
-  EXPECT_TRUE(pod->is_f_int16());
-  EXPECT_EQ(pod->which(), PodUnion::Tag::F_INT16);
-
-  pod->set_f_uint16(13);
-  EXPECT_EQ(13, pod->get_f_uint16());
-  EXPECT_TRUE(pod->is_f_uint16());
-  EXPECT_EQ(pod->which(), PodUnion::Tag::F_UINT16);
-
-  pod->set_f_int32(14);
-  EXPECT_EQ(14, pod->get_f_int32());
-  EXPECT_TRUE(pod->is_f_int32());
-  EXPECT_EQ(pod->which(), PodUnion::Tag::F_INT32);
-
-  pod->set_f_uint32(static_cast<uint32_t>(15));
-  EXPECT_EQ(static_cast<uint32_t>(15), pod->get_f_uint32());
-  EXPECT_TRUE(pod->is_f_uint32());
-  EXPECT_EQ(pod->which(), PodUnion::Tag::F_UINT32);
-
-  pod->set_f_int64(16);
-  EXPECT_EQ(16, pod->get_f_int64());
-  EXPECT_TRUE(pod->is_f_int64());
-  EXPECT_EQ(pod->which(), PodUnion::Tag::F_INT64);
-
-  pod->set_f_uint64(static_cast<uint64_t>(17));
-  EXPECT_EQ(static_cast<uint64_t>(17), pod->get_f_uint64());
-  EXPECT_TRUE(pod->is_f_uint64());
-  EXPECT_EQ(pod->which(), PodUnion::Tag::F_UINT64);
-
-  pod->set_f_float(1.5);
-  EXPECT_EQ(1.5, pod->get_f_float());
-  EXPECT_TRUE(pod->is_f_float());
-  EXPECT_EQ(pod->which(), PodUnion::Tag::F_FLOAT);
-
-  pod->set_f_double(1.9);
-  EXPECT_EQ(1.9, pod->get_f_double());
-  EXPECT_TRUE(pod->is_f_double());
-  EXPECT_EQ(pod->which(), PodUnion::Tag::F_DOUBLE);
-
-  pod->set_f_bool(true);
-  EXPECT_TRUE(pod->get_f_bool());
-  pod->set_f_bool(false);
-  EXPECT_FALSE(pod->get_f_bool());
-  EXPECT_TRUE(pod->is_f_bool());
-  EXPECT_EQ(pod->which(), PodUnion::Tag::F_BOOL);
-
-  pod->set_f_enum(AnEnum::SECOND);
-  EXPECT_EQ(AnEnum::SECOND, pod->get_f_enum());
-  EXPECT_TRUE(pod->is_f_enum());
-  EXPECT_EQ(pod->which(), PodUnion::Tag::F_ENUM);
-}
-
-TEST(UnionTest, PodEquals) {
-  PodUnionPtr pod1(PodUnion::New());
-  PodUnionPtr pod2(PodUnion::New());
-
-  pod1->set_f_int8(10);
-  pod2->set_f_int8(10);
-  EXPECT_TRUE(pod1.Equals(pod2));
-
-  pod2->set_f_int8(11);
-  EXPECT_FALSE(pod1.Equals(pod2));
-
-  pod2->set_f_int8_other(10);
-  EXPECT_FALSE(pod1.Equals(pod2));
-}
-
-TEST(UnionTest, PodClone) {
-  PodUnionPtr pod(PodUnion::New());
-  pod->set_f_int8(10);
-
-  PodUnionPtr pod_clone = pod.Clone();
-  EXPECT_EQ(10, pod_clone->get_f_int8());
-  EXPECT_TRUE(pod_clone->is_f_int8());
-  EXPECT_EQ(pod_clone->which(), PodUnion::Tag::F_INT8);
-}
-
-TEST(UnionTest, PodSerialization) {
-  PodUnionPtr pod1(PodUnion::New());
-  pod1->set_f_int8(10);
-
-  size_t size = GetSerializedSize_(pod1);
-  EXPECT_EQ(16U, size);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  auto* data = internal::PodUnion_Data::New(&buf);
-  SerializeUnion_(pod1.get(), &buf, &data);
-
-  PodUnionPtr pod2(PodUnion::New());
-  Deserialize_(data, pod2.get());
-
-  EXPECT_EQ(10, pod2->get_f_int8());
-  EXPECT_TRUE(pod2->is_f_int8());
-  EXPECT_EQ(pod2->which(), PodUnion::Tag::F_INT8);
-}
-
-TEST(UnionTest, EnumSerialization) {
-  PodUnionPtr pod1(PodUnion::New());
-  pod1->set_f_enum(AnEnum::SECOND);
-
-  size_t size = GetSerializedSize_(pod1);
-  EXPECT_EQ(16U, size);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  auto* data = internal::PodUnion_Data::New(&buf);
-  SerializeUnion_(pod1.get(), &buf, &data);
-
-  PodUnionPtr pod2 = PodUnion::New();
-  Deserialize_(data, pod2.get());
-
-  EXPECT_EQ(AnEnum::SECOND, pod2->get_f_enum());
-  EXPECT_TRUE(pod2->is_f_enum());
-  EXPECT_EQ(pod2->which(), PodUnion::Tag::F_ENUM);
-}
-
-TEST(UnionTest, PodValidation) {
-  PodUnionPtr pod(PodUnion::New());
-  pod->set_f_int8(10);
-
-  size_t size = GetSerializedSize_(pod);
-  EXPECT_EQ(16U, size);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  auto* data = internal::PodUnion_Data::New(&buf);
-  SerializeUnion_(pod.get(), &buf, &data);
-  std::vector<Handle> handles;
-  data->EncodePointersAndHandles(&handles);
-  EXPECT_TRUE(handles.empty());
-
-  void* raw_buf = buf.Leak();
-  mojo::internal::BoundsChecker bounds_checker(data,
-                                               static_cast<uint32_t>(size), 0);
-  EXPECT_EQ(mojo::internal::ValidationError::NONE,
-            internal::PodUnion_Data::Validate(raw_buf, &bounds_checker, false,
-                                              nullptr));
-  free(raw_buf);
-}
-
-TEST(UnionTest, SerializeNotNull) {
-  PodUnionPtr pod(PodUnion::New());
-  pod->set_f_int8(0);
-  size_t size = GetSerializedSize_(pod);
-  mojo::internal::FixedBufferForTesting buf(size);
-  auto* data = internal::PodUnion_Data::New(&buf);
-  SerializeUnion_(pod.get(), &buf, &data);
-  EXPECT_FALSE(data->is_null());
-}
-
-TEST(UnionTest, SerializeIsNull) {
-  PodUnionPtr pod;
-  size_t size = GetSerializedSize_(pod);
-  EXPECT_EQ(16U, size);
-  mojo::internal::FixedBufferForTesting buf(size);
-  internal::PodUnion_Data* data = internal::PodUnion_Data::New(&buf);
-
-  // Check that dirty output buffers are handled correctly by serialization.
-  data->size = 16U;
-  data->tag = PodUnion::Tag::F_UINT16;
-  data->data.f_f_int16 = 20;
-
-  SerializeUnion_(pod.get(), &buf, &data);
-  EXPECT_TRUE(data->is_null());
-
-  PodUnionPtr pod2 = PodUnion::New();
-  Deserialize_(data, pod2.get());
-  EXPECT_EQ(pod2->which(), PodUnion::Tag::__UNKNOWN__);
-
-  {
-    PodUnionPtr pod;
-    size_t size = GetSerializedSize_(pod);
-    EXPECT_EQ(16U, size);
-    mojo::internal::FixedBufferForTesting buf(size);
-    auto* data = internal::PodUnion_Data::New(&buf);
-    SerializeUnion_(pod.get(), &buf, &data);
-    EXPECT_EQ(static_cast<internal::PodUnion_Data::PodUnion_Tag>(0), data->tag);
-    EXPECT_EQ(0u, data->size);
-    EXPECT_EQ(0u, data->data.unknown);
-  }
-}
-
-TEST(UnionTest, NullValidation) {
-  void* buf = nullptr;
-  mojo::internal::BoundsChecker bounds_checker(buf, 0, 0);
-  EXPECT_EQ(
-      mojo::internal::ValidationError::NONE,
-      internal::PodUnion_Data::Validate(buf, &bounds_checker, false, nullptr));
-}
-
-TEST(UnionTest, OutOfAlignmentValidation) {
-  size_t size = sizeof(internal::PodUnion_Data);
-  // Get an aligned object and shift the alignment.
-  mojo::internal::FixedBufferForTesting aligned_buf(size + 1);
-  void* raw_buf = aligned_buf.Leak();
-  char* buf = reinterpret_cast<char*>(raw_buf) + 1;
-
-  internal::PodUnion_Data* data =
-      reinterpret_cast<internal::PodUnion_Data*>(buf);
-  mojo::internal::BoundsChecker bounds_checker(data,
-                                               static_cast<uint32_t>(size), 0);
-  EXPECT_NE(
-      mojo::internal::ValidationError::NONE,
-      internal::PodUnion_Data::Validate(buf, &bounds_checker, false, nullptr));
-  free(raw_buf);
-}
-
-TEST(UnionTest, OOBValidation) {
-  size_t size = sizeof(internal::PodUnion_Data) - 1;
-  mojo::internal::FixedBufferForTesting buf(size);
-  internal::PodUnion_Data* data = internal::PodUnion_Data::New(&buf);
-  mojo::internal::BoundsChecker bounds_checker(data,
-                                               static_cast<uint32_t>(size), 0);
-  void* raw_buf = buf.Leak();
-  EXPECT_NE(mojo::internal::ValidationError::NONE,
-            internal::PodUnion_Data::Validate(raw_buf, &bounds_checker, false,
-                                              nullptr));
-  free(raw_buf);
-}
-
-TEST(UnionTest, UnknownTagDeserialization) {
-  size_t size = sizeof(internal::PodUnion_Data);
-  mojo::internal::FixedBufferForTesting buf(size);
-  internal::PodUnion_Data* data = internal::PodUnion_Data::New(&buf);
-  data->size = size;
-  data->tag = static_cast<internal::PodUnion_Data::PodUnion_Tag>(100);
-
-  PodUnionPtr pod2 = PodUnion::New();
-  Deserialize_(data, pod2.get());
-
-  EXPECT_TRUE(pod2->has_unknown_tag());
-}
-
-TEST(UnionTest, UnknownTagValidation) {
-  size_t size = sizeof(internal::PodUnion_Data);
-  mojo::internal::FixedBufferForTesting buf(size);
-  internal::PodUnion_Data* data = internal::PodUnion_Data::New(&buf);
-  data->size = size;
-  data->tag = static_cast<internal::PodUnion_Data::PodUnion_Tag>(100);
-  mojo::internal::BoundsChecker bounds_checker(data,
-                                               static_cast<uint32_t>(size), 0);
-  void* raw_buf = buf.Leak();
-  EXPECT_EQ(mojo::internal::ValidationError::NONE,
-            internal::PodUnion_Data::Validate(raw_buf, &bounds_checker, false,
-                                              nullptr));
-  free(raw_buf);
-}
-
-TEST(UnionTest, StringGetterSetter) {
-  ObjectUnionPtr pod(ObjectUnion::New());
-
-  String hello("hello world");
-  pod->set_f_string(hello);
-  EXPECT_EQ(hello, pod->get_f_string());
-  EXPECT_TRUE(pod->is_f_string());
-  EXPECT_EQ(pod->which(), ObjectUnion::Tag::F_STRING);
-}
-
-TEST(UnionTest, StringEquals) {
-  ObjectUnionPtr pod1(ObjectUnion::New());
-  ObjectUnionPtr pod2(ObjectUnion::New());
-
-  pod1->set_f_string("hello world");
-  pod2->set_f_string("hello world");
-  EXPECT_TRUE(pod1.Equals(pod2));
-
-  pod2->set_f_string("hello universe");
-  EXPECT_FALSE(pod1.Equals(pod2));
-}
-
-TEST(UnionTest, StringClone) {
-  ObjectUnionPtr pod(ObjectUnion::New());
-
-  String hello("hello world");
-  pod->set_f_string(hello);
-  ObjectUnionPtr pod_clone = pod.Clone();
-  EXPECT_EQ(hello, pod_clone->get_f_string());
-  EXPECT_TRUE(pod_clone->is_f_string());
-  EXPECT_EQ(pod_clone->which(), ObjectUnion::Tag::F_STRING);
-}
-
-TEST(UnionTest, StringSerialization) {
-  ObjectUnionPtr pod1(ObjectUnion::New());
-
-  String hello("hello world");
-  pod1->set_f_string(hello);
-
-  size_t size = GetSerializedSize_(pod1);
-  mojo::internal::FixedBufferForTesting buf(size);
-  auto* data = internal::ObjectUnion_Data::New(&buf);
-  SerializeUnion_(pod1.get(), &buf, &data);
-
-  std::vector<Handle> handles;
-  data->EncodePointersAndHandles(&handles);
-  data->DecodePointersAndHandles(&handles);
-
-  ObjectUnionPtr pod2 = ObjectUnion::New();
-  Deserialize_(data, pod2.get());
-  EXPECT_EQ(hello, pod2->get_f_string());
-  EXPECT_TRUE(pod2->is_f_string());
-  EXPECT_EQ(pod2->which(), ObjectUnion::Tag::F_STRING);
-}
-
-TEST(UnionTest, NullStringValidation) {
-  size_t size = sizeof(internal::ObjectUnion_Data);
-  mojo::internal::FixedBufferForTesting buf(size);
-  internal::ObjectUnion_Data* data = internal::ObjectUnion_Data::New(&buf);
-  data->size = 16;
-  data->tag = internal::ObjectUnion_Data::ObjectUnion_Tag::F_STRING;
-  data->data.unknown = 0x0;
-  mojo::internal::BoundsChecker bounds_checker(data,
-                                               static_cast<uint32_t>(size), 0);
-  void* raw_buf = buf.Leak();
-  EXPECT_NE(mojo::internal::ValidationError::NONE,
-            internal::ObjectUnion_Data::Validate(raw_buf, &bounds_checker,
-                                                 false, nullptr));
-  free(raw_buf);
-}
-
-TEST(UnionTest, StringPointerOverflowValidation) {
-  size_t size = sizeof(internal::ObjectUnion_Data);
-  mojo::internal::FixedBufferForTesting buf(size);
-  internal::ObjectUnion_Data* data = internal::ObjectUnion_Data::New(&buf);
-  data->size = 16;
-  data->tag = internal::ObjectUnion_Data::ObjectUnion_Tag::F_STRING;
-  data->data.unknown = 0xFFFFFFFFFFFFFFFF;
-  mojo::internal::BoundsChecker bounds_checker(data,
-                                               static_cast<uint32_t>(size), 0);
-  void* raw_buf = buf.Leak();
-  EXPECT_NE(mojo::internal::ValidationError::NONE,
-            internal::ObjectUnion_Data::Validate(raw_buf, &bounds_checker,
-                                                 false, nullptr));
-  free(raw_buf);
-}
-
-TEST(UnionTest, StringValidateOOB) {
-  size_t size = 32;
-  mojo::internal::FixedBufferForTesting buf(size);
-  internal::ObjectUnion_Data* data = internal::ObjectUnion_Data::New(&buf);
-  data->size = 16;
-  data->tag = internal::ObjectUnion_Data::ObjectUnion_Tag::F_STRING;
-
-  data->data.f_f_string.offset = 8;
-  char* ptr = reinterpret_cast<char*>(&data->data.f_f_string);
-  mojo::internal::ArrayHeader* array_header =
-      reinterpret_cast<mojo::internal::ArrayHeader*>(ptr + *ptr);
-  array_header->num_bytes = 20;  // This should go out of bounds.
-  array_header->num_elements = 20;
-  mojo::internal::BoundsChecker bounds_checker(data, 32, 0);
-  void* raw_buf = buf.Leak();
-  EXPECT_NE(mojo::internal::ValidationError::NONE,
-            internal::ObjectUnion_Data::Validate(raw_buf, &bounds_checker,
-                                                 false, nullptr));
-  free(raw_buf);
-}
-
-// TODO(azani): Move back in array_unittest.cc when possible.
-// Array tests
-TEST(UnionTest, PodUnionInArray) {
-  SmallStructPtr small_struct(SmallStruct::New());
-  small_struct->pod_union_array = Array<PodUnionPtr>::New(2);
-  small_struct->pod_union_array[0] = PodUnion::New();
-  small_struct->pod_union_array[1] = PodUnion::New();
-
-  small_struct->pod_union_array[0]->set_f_int8(10);
-  small_struct->pod_union_array[1]->set_f_int16(12);
-
-  EXPECT_EQ(10, small_struct->pod_union_array[0]->get_f_int8());
-  EXPECT_EQ(12, small_struct->pod_union_array[1]->get_f_int16());
-}
-
-TEST(UnionTest, PodUnionInArraySerialization) {
-  auto array = Array<PodUnionPtr>::New(2);
-  array[0] = PodUnion::New();
-  array[1] = PodUnion::New();
-
-  array[0]->set_f_int8(10);
-  array[1]->set_f_int16(12);
-  EXPECT_EQ(2U, array.size());
-
-  size_t size = GetSerializedSize_(array);
-  EXPECT_EQ(40U, size);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  mojo::internal::Array_Data<internal::PodUnion_Data>* data = nullptr;
-  mojo::internal::ArrayValidateParams validate_params(0, false, nullptr);
-  SerializeArray_(&array, &buf, &data, &validate_params);
-
-  Array<PodUnionPtr> array2;
-  Deserialize_(data, &array2);
-
-  EXPECT_EQ(2U, array2.size());
-
-  EXPECT_EQ(10, array2[0]->get_f_int8());
-  EXPECT_EQ(12, array2[1]->get_f_int16());
-}
-
-TEST(UnionTest, PodUnionInArrayValidation) {
-  auto array = Array<PodUnionPtr>::New(2);
-  array[0] = PodUnion::New();
-  array[1] = PodUnion::New();
-
-  array[0]->set_f_int8(10);
-  array[1]->set_f_int16(12);
-
-  size_t size = GetSerializedSize_(array);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  mojo::internal::Array_Data<internal::PodUnion_Data>* data = nullptr;
-  mojo::internal::ArrayValidateParams validate_params(0, false, nullptr);
-  SerializeArray_(&array, &buf, &data, &validate_params);
-
-  std::vector<Handle> handles;
-  data->EncodePointersAndHandles(&handles);
-  EXPECT_TRUE(handles.empty());
-
-  void* raw_buf = buf.Leak();
-  mojo::internal::BoundsChecker bounds_checker(data,
-                                               static_cast<uint32_t>(size), 1);
-
-  EXPECT_EQ(mojo::internal::ValidationError::NONE,
-            Array<PodUnionPtr>::Data_::Validate(raw_buf, &bounds_checker,
-                                                &validate_params, nullptr));
-  free(raw_buf);
-}
-TEST(UnionTest, PodUnionInArraySerializationWithNull) {
-  auto array = Array<PodUnionPtr>::New(2);
-  array[0] = PodUnion::New();
-
-  array[0]->set_f_int8(10);
-  EXPECT_EQ(2U, array.size());
-
-  size_t size = GetSerializedSize_(array);
-  EXPECT_EQ(40U, size);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  mojo::internal::Array_Data<internal::PodUnion_Data>* data = nullptr;
-  mojo::internal::ArrayValidateParams validate_params(0, true, nullptr);
-  SerializeArray_(&array, &buf, &data, &validate_params);
-
-  Array<PodUnionPtr> array2;
-  Deserialize_(data, &array2);
-
-  EXPECT_EQ(2U, array2.size());
-
-  EXPECT_EQ(10, array2[0]->get_f_int8());
-  EXPECT_TRUE(array2[1].is_null());
-}
-
-// TODO(azani): Move back in struct_unittest.cc when possible.
-// Struct tests
-TEST(UnionTest, Clone_Union) {
-  SmallStructPtr small_struct(SmallStruct::New());
-  small_struct->pod_union = PodUnion::New();
-  small_struct->pod_union->set_f_int8(10);
-
-  SmallStructPtr clone = small_struct.Clone();
-  EXPECT_EQ(10, clone->pod_union->get_f_int8());
-}
-
-// Serialization test of a struct with a union of plain old data.
-TEST(UnionTest, Serialization_UnionOfPods) {
-  SmallStructPtr small_struct(SmallStruct::New());
-  small_struct->pod_union = PodUnion::New();
-  small_struct->pod_union->set_f_int32(10);
-
-  size_t size = GetSerializedSize_(*small_struct);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  internal::SmallStruct_Data* data = nullptr;
-  EXPECT_EQ(mojo::internal::ValidationError::NONE,
-            Serialize_(small_struct.get(), &buf, &data));
-
-  SmallStructPtr deserialized(SmallStruct::New());
-  Deserialize_(data, deserialized.get());
-
-  EXPECT_EQ(10, deserialized->pod_union->get_f_int32());
-}
-
-// Serialization test of a struct with a union of structs.
-TEST(UnionTest, Serialization_UnionOfObjects) {
-  SmallObjStructPtr obj_struct(SmallObjStruct::New());
-  obj_struct->obj_union = ObjectUnion::New();
-  String hello("hello world");
-  obj_struct->obj_union->set_f_string(hello);
-
-  size_t size = GetSerializedSize_(*obj_struct);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  internal::SmallObjStruct_Data* data = nullptr;
-  EXPECT_EQ(mojo::internal::ValidationError::NONE,
-            Serialize_(obj_struct.get(), &buf, &data));
-
-  std::vector<Handle> handles;
-  data->EncodePointersAndHandles(&handles);
-  data->DecodePointersAndHandles(&handles);
-
-  SmallObjStructPtr deserialized(SmallObjStruct::New());
-  Deserialize_(data, deserialized.get());
-
-  EXPECT_EQ(hello, deserialized->obj_union->get_f_string());
-}
-
-// Validation test of a struct with a union.
-TEST(UnionTest, Validation_UnionsInStruct) {
-  SmallStructPtr small_struct(SmallStruct::New());
-  small_struct->pod_union = PodUnion::New();
-  small_struct->pod_union->set_f_int32(10);
-
-  size_t size = GetSerializedSize_(*small_struct);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  internal::SmallStruct_Data* data = nullptr;
-  EXPECT_EQ(mojo::internal::ValidationError::NONE,
-            Serialize_(small_struct.get(), &buf, &data));
-
-  std::vector<Handle> handles;
-  data->EncodePointersAndHandles(&handles);
-  EXPECT_TRUE(handles.empty());
-
-  void* raw_buf = buf.Leak();
-  mojo::internal::BoundsChecker bounds_checker(data,
-                                               static_cast<uint32_t>(size), 0);
-  EXPECT_EQ(
-      mojo::internal::ValidationError::NONE,
-      internal::SmallStruct_Data::Validate(raw_buf, &bounds_checker, nullptr));
-  free(raw_buf);
-}
-
-// Validation test of a struct union fails due to unknown union tag.
-TEST(UnionTest, Validation_PodUnionInStruct_Failure) {
-  SmallStructPtr small_struct(SmallStruct::New());
-  small_struct->pod_union = PodUnion::New();
-  small_struct->pod_union->set_f_int32(10);
-
-  size_t size = GetSerializedSize_(*small_struct);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  internal::SmallStruct_Data* data = nullptr;
-  EXPECT_EQ(mojo::internal::ValidationError::NONE,
-            Serialize_(small_struct.get(), &buf, &data));
-  data->pod_union.tag = static_cast<internal::PodUnion_Data::PodUnion_Tag>(100);
-
-  std::vector<Handle> handles;
-  data->EncodePointersAndHandles(&handles);
-  EXPECT_TRUE(handles.empty());
-
-  void* raw_buf = buf.Leak();
-  mojo::internal::BoundsChecker bounds_checker(data,
-                                               static_cast<uint32_t>(size), 0);
-  EXPECT_EQ(
-      mojo::internal::ValidationError::NONE,
-      internal::SmallStruct_Data::Validate(raw_buf, &bounds_checker, nullptr));
-  free(raw_buf);
-}
-
-// Validation fails due to non-nullable null union in struct.
-TEST(UnionTest, Validation_NullUnion_Failure) {
-  SmallStructNonNullableUnionPtr small_struct(
-      SmallStructNonNullableUnion::New());
-
-  size_t size = GetSerializedSize_(*small_struct);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  internal::SmallStructNonNullableUnion_Data* data =
-      internal::SmallStructNonNullableUnion_Data::New(&buf);
-
-  void* raw_buf = buf.Leak();
-  mojo::internal::BoundsChecker bounds_checker(data,
-                                               static_cast<uint32_t>(size), 0);
-  EXPECT_NE(mojo::internal::ValidationError::NONE,
-            internal::SmallStructNonNullableUnion_Data::Validate(
-                raw_buf, &bounds_checker, nullptr));
-  free(raw_buf);
-}
-
-// Validation passes with nullable null union.
-TEST(UnionTest, Validation_NullableUnion) {
-  SmallStructPtr small_struct(SmallStruct::New());
-
-  size_t size = GetSerializedSize_(*small_struct);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  internal::SmallStruct_Data* data = nullptr;
-  EXPECT_EQ(mojo::internal::ValidationError::NONE,
-            Serialize_(small_struct.get(), &buf, &data));
-
-  std::vector<Handle> handles;
-  data->EncodePointersAndHandles(&handles);
-  EXPECT_TRUE(handles.empty());
-
-  void* raw_buf = buf.Leak();
-  mojo::internal::BoundsChecker bounds_checker(data,
-                                               static_cast<uint32_t>(size), 0);
-  EXPECT_EQ(
-      mojo::internal::ValidationError::NONE,
-      internal::SmallStruct_Data::Validate(raw_buf, &bounds_checker, nullptr));
-  free(raw_buf);
-}
-
-// Serialize a null union and deserialize it back to check that we have a null
-// union.
-TEST(UnionTest, Deserialize_NullableUnion) {
-  char buf[1024];
-  SmallStructPtr small_struct = SmallStruct::New();
-  small_struct->Serialize(buf, sizeof(buf));
-  EXPECT_TRUE(small_struct->pod_union.is_null());
-
-  SmallStructPtr deserialized_struct = SmallStruct::New();
-  EXPECT_TRUE(deserialized_struct->Deserialize(buf, sizeof(buf)));
-  EXPECT_TRUE(deserialized_struct->pod_union.is_null());
-}
-
-// Validation passes with nullable null union containing non-nullable objects.
-TEST(UnionTest, Validation_NullableObjectUnion) {
-  StructNullObjectUnionPtr small_struct(StructNullObjectUnion::New());
-
-  size_t size = GetSerializedSize_(*small_struct);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  internal::StructNullObjectUnion_Data* data = nullptr;
-  EXPECT_EQ(mojo::internal::ValidationError::NONE,
-            Serialize_(small_struct.get(), &buf, &data));
-
-  std::vector<Handle> handles;
-  data->EncodePointersAndHandles(&handles);
-  EXPECT_TRUE(handles.empty());
-
-  void* raw_buf = buf.Leak();
-  mojo::internal::BoundsChecker bounds_checker(data,
-                                               static_cast<uint32_t>(size), 0);
-  EXPECT_EQ(mojo::internal::ValidationError::NONE,
-            internal::StructNullObjectUnion_Data::Validate(
-                raw_buf, &bounds_checker, nullptr));
-  free(raw_buf);
-}
-
-// TODO(azani): Move back in map_unittest.cc when possible.
-// Map Tests
-TEST(UnionTest, PodUnionInMap) {
-  SmallStructPtr small_struct(SmallStruct::New());
-  small_struct->pod_union_map = Map<String, PodUnionPtr>();
-  small_struct->pod_union_map.insert("one", PodUnion::New());
-  small_struct->pod_union_map.insert("two", PodUnion::New());
-
-  small_struct->pod_union_map["one"]->set_f_int8(8);
-  small_struct->pod_union_map["two"]->set_f_int16(16);
-
-  EXPECT_EQ(8, small_struct->pod_union_map["one"]->get_f_int8());
-  EXPECT_EQ(16, small_struct->pod_union_map["two"]->get_f_int16());
-}
-
-TEST(UnionTest, PodUnionInMapSerialization) {
-  Map<String, PodUnionPtr> map;
-  map.insert("one", PodUnion::New());
-  map.insert("two", PodUnion::New());
-
-  map["one"]->set_f_int8(8);
-  map["two"]->set_f_int16(16);
-
-  size_t size = GetSerializedSize_(map);
-  EXPECT_EQ(120U, size);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  mojo::internal::Map_Data<mojo::internal::String_Data*,
-                           internal::PodUnion_Data>* data = nullptr;
-  mojo::internal::ArrayValidateParams validate_params(0, false, nullptr);
-  EXPECT_EQ(mojo::internal::ValidationError::NONE,
-            SerializeMap_(&map, &buf, &data, &validate_params));
-
-  Map<String, PodUnionPtr> map2;
-  Deserialize_(data, &map2);
-
-  EXPECT_EQ(8, map2["one"]->get_f_int8());
-  EXPECT_EQ(16, map2["two"]->get_f_int16());
-}
-
-TEST(UnionTest, PodUnionInMapSerializationWithNull) {
-  Map<String, PodUnionPtr> map;
-  map.insert("one", PodUnion::New());
-  map.insert("two", nullptr);
-
-  map["one"]->set_f_int8(8);
-
-  size_t size = GetSerializedSize_(map);
-  EXPECT_EQ(120U, size);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  mojo::internal::Map_Data<mojo::internal::String_Data*,
-                           internal::PodUnion_Data>* data = nullptr;
-  mojo::internal::ArrayValidateParams validate_params(0, true, nullptr);
-  EXPECT_EQ(mojo::internal::ValidationError::NONE,
-            SerializeMap_(&map, &buf, &data, &validate_params));
-
-  Map<String, PodUnionPtr> map2;
-  Deserialize_(data, &map2);
-
-  EXPECT_EQ(8, map2["one"]->get_f_int8());
-  EXPECT_TRUE(map2["two"].is_null());
-}
-
-TEST(UnionTest, StructInUnionGetterSetterPasser) {
-  DummyStructPtr dummy(DummyStruct::New());
-  dummy->f_int8 = 8;
-
-  ObjectUnionPtr obj(ObjectUnion::New());
-  obj->set_f_dummy(dummy.Pass());
-
-  EXPECT_EQ(8, obj->get_f_dummy()->f_int8);
-}
-
-TEST(UnionTest, StructInUnionSerialization) {
-  DummyStructPtr dummy(DummyStruct::New());
-  dummy->f_int8 = 8;
-
-  ObjectUnionPtr obj(ObjectUnion::New());
-  obj->set_f_dummy(dummy.Pass());
-
-  size_t size = GetSerializedSize_(obj);
-  EXPECT_EQ(32U, size);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  auto* data = internal::ObjectUnion_Data::New(&buf);
-  SerializeUnion_(obj.get(), &buf, &data);
-
-  std::vector<Handle> handles;
-  data->EncodePointersAndHandles(&handles);
-  data->DecodePointersAndHandles(&handles);
-
-  ObjectUnionPtr obj2 = ObjectUnion::New();
-  Deserialize_(data, obj2.get());
-  EXPECT_EQ(8, obj2->get_f_dummy()->f_int8);
-}
-
-TEST(UnionTest, StructInUnionValidation) {
-  DummyStructPtr dummy(DummyStruct::New());
-  dummy->f_int8 = 8;
-
-  ObjectUnionPtr obj(ObjectUnion::New());
-  obj->set_f_dummy(dummy.Pass());
-
-  size_t size = GetSerializedSize_(obj);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  auto* data = internal::ObjectUnion_Data::New(&buf);
-  SerializeUnion_(obj.get(), &buf, &data);
-
-  std::vector<Handle> handles;
-  data->EncodePointersAndHandles(&handles);
-  EXPECT_TRUE(handles.empty());
-
-  void* raw_buf = buf.Leak();
-  mojo::internal::BoundsChecker bounds_checker(data,
-                                               static_cast<uint32_t>(size), 0);
-  EXPECT_EQ(mojo::internal::ValidationError::NONE,
-            internal::ObjectUnion_Data::Validate(raw_buf, &bounds_checker,
-                                                 false, nullptr));
-  free(raw_buf);
-}
-
-TEST(UnionTest, StructInUnionValidationNonNullable) {
-  DummyStructPtr dummy(nullptr);
-
-  ObjectUnionPtr obj(ObjectUnion::New());
-  obj->set_f_dummy(dummy.Pass());
-
-  size_t size = GetSerializedSize_(obj);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  auto* data = internal::ObjectUnion_Data::New(&buf);
-  SerializeUnion_(obj.get(), &buf, &data);
-
-  std::vector<Handle> handles;
-  data->EncodePointersAndHandles(&handles);
-  EXPECT_TRUE(handles.empty());
-
-  void* raw_buf = buf.Leak();
-  mojo::internal::BoundsChecker bounds_checker(data,
-                                               static_cast<uint32_t>(size), 0);
-  EXPECT_NE(mojo::internal::ValidationError::NONE,
-            internal::ObjectUnion_Data::Validate(raw_buf, &bounds_checker,
-                                                 false, nullptr));
-  free(raw_buf);
-}
-
-TEST(UnionTest, StructInUnionValidationNullable) {
-  DummyStructPtr dummy(nullptr);
-
-  ObjectUnionPtr obj(ObjectUnion::New());
-  obj->set_f_nullable(dummy.Pass());
-
-  size_t size = GetSerializedSize_(obj);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  auto* data = internal::ObjectUnion_Data::New(&buf);
-  SerializeUnion_(obj.get(), &buf, &data);
-
-  std::vector<Handle> handles;
-  data->EncodePointersAndHandles(&handles);
-  EXPECT_TRUE(handles.empty());
-
-  void* raw_buf = buf.Leak();
-  mojo::internal::BoundsChecker bounds_checker(data,
-                                               static_cast<uint32_t>(size), 0);
-  EXPECT_EQ(mojo::internal::ValidationError::NONE,
-            internal::ObjectUnion_Data::Validate(raw_buf, &bounds_checker,
-                                                 false, nullptr));
-  free(raw_buf);
-}
-
-TEST(UnionTest, ArrayInUnionGetterSetter) {
-  auto array = Array<int8_t>::New(2);
-  array[0] = 8;
-  array[1] = 9;
-
-  ObjectUnionPtr obj(ObjectUnion::New());
-  obj->set_f_array_int8(array.Pass());
-
-  EXPECT_EQ(8, obj->get_f_array_int8()[0]);
-  EXPECT_EQ(9, obj->get_f_array_int8()[1]);
-}
-
-TEST(UnionTest, ArrayInUnionSerialization) {
-  auto array = Array<int8_t>::New(2);
-  array[0] = 8;
-  array[1] = 9;
-
-  ObjectUnionPtr obj(ObjectUnion::New());
-  obj->set_f_array_int8(array.Pass());
-
-  size_t size = GetSerializedSize_(obj);
-  EXPECT_EQ(32U, size);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  auto* data = internal::ObjectUnion_Data::New(&buf);
-  SerializeUnion_(obj.get(), &buf, &data);
-
-  std::vector<Handle> handles;
-  data->EncodePointersAndHandles(&handles);
-  data->DecodePointersAndHandles(&handles);
-
-  ObjectUnionPtr obj2 = ObjectUnion::New();
-  Deserialize_(data, obj2.get());
-
-  EXPECT_EQ(8, obj2->get_f_array_int8()[0]);
-  EXPECT_EQ(9, obj2->get_f_array_int8()[1]);
-}
-
-TEST(UnionTest, ArrayInUnionValidation) {
-  auto array = Array<int8_t>::New(2);
-  array[0] = 8;
-  array[1] = 9;
-
-  ObjectUnionPtr obj(ObjectUnion::New());
-  obj->set_f_array_int8(array.Pass());
-
-  size_t size = GetSerializedSize_(obj);
-  mojo::internal::FixedBufferForTesting buf(size);
-  auto* data = internal::ObjectUnion_Data::New(&buf);
-  SerializeUnion_(obj.get(), &buf, &data);
-
-  std::vector<Handle> handles;
-  data->EncodePointersAndHandles(&handles);
-  EXPECT_TRUE(handles.empty());
-
-  void* raw_buf = buf.Leak();
-  mojo::internal::BoundsChecker bounds_checker(data,
-                                               static_cast<uint32_t>(size), 0);
-
-  EXPECT_EQ(mojo::internal::ValidationError::NONE,
-            internal::ObjectUnion_Data::Validate(raw_buf, &bounds_checker,
-                                                 false, nullptr));
-  free(raw_buf);
-}
-
-TEST(UnionTest, MapInUnionGetterSetter) {
-  Map<String, int8_t> map;
-  map.insert("one", 1);
-  map.insert("two", 2);
-
-  ObjectUnionPtr obj(ObjectUnion::New());
-  obj->set_f_map_int8(map.Pass());
-
-  EXPECT_EQ(1, obj->get_f_map_int8()["one"]);
-  EXPECT_EQ(2, obj->get_f_map_int8()["two"]);
-}
-
-TEST(UnionTest, MapInUnionSerialization) {
-  Map<String, int8_t> map;
-  map.insert("one", 1);
-  map.insert("two", 2);
-
-  ObjectUnionPtr obj(ObjectUnion::New());
-  obj->set_f_map_int8(map.Pass());
-
-  size_t size = GetSerializedSize_(obj);
-  EXPECT_EQ(112U, size);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  auto* data = internal::ObjectUnion_Data::New(&buf);
-  SerializeUnion_(obj.get(), &buf, &data);
-
-  std::vector<Handle> handles;
-  data->EncodePointersAndHandles(&handles);
-  data->DecodePointersAndHandles(&handles);
-
-  ObjectUnionPtr obj2 = ObjectUnion::New();
-  Deserialize_(data, obj2.get());
-
-  EXPECT_EQ(1, obj2->get_f_map_int8()["one"]);
-  EXPECT_EQ(2, obj2->get_f_map_int8()["two"]);
-}
-
-TEST(UnionTest, MapInUnionValidation) {
-  Map<String, int8_t> map;
-  map.insert("one", 1);
-  map.insert("two", 2);
-
-  ObjectUnionPtr obj(ObjectUnion::New());
-  obj->set_f_map_int8(map.Pass());
-
-  size_t size = GetSerializedSize_(obj);
-  EXPECT_EQ(112U, size);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  auto* data = internal::ObjectUnion_Data::New(&buf);
-  SerializeUnion_(obj.get(), &buf, &data);
-
-  std::vector<Handle> handles;
-  data->EncodePointersAndHandles(&handles);
-  EXPECT_TRUE(handles.empty());
-
-  void* raw_buf = buf.Leak();
-  mojo::internal::BoundsChecker bounds_checker(data,
-                                               static_cast<uint32_t>(size), 0);
-
-  EXPECT_EQ(mojo::internal::ValidationError::NONE,
-            internal::ObjectUnion_Data::Validate(raw_buf, &bounds_checker,
-                                                 false, nullptr));
-  free(raw_buf);
-}
-
-TEST(UnionTest, UnionInUnionGetterSetter) {
-  PodUnionPtr pod(PodUnion::New());
-  pod->set_f_int8(10);
-
-  ObjectUnionPtr obj(ObjectUnion::New());
-  obj->set_f_pod_union(pod.Pass());
-
-  EXPECT_EQ(10, obj->get_f_pod_union()->get_f_int8());
-}
-
-TEST(UnionTest, UnionInUnionSerialization) {
-  PodUnionPtr pod(PodUnion::New());
-  pod->set_f_int8(10);
-
-  ObjectUnionPtr obj(ObjectUnion::New());
-  obj->set_f_pod_union(pod.Pass());
-
-  size_t size = GetSerializedSize_(obj);
-  EXPECT_EQ(32U, size);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  auto* data = internal::ObjectUnion_Data::New(&buf);
-  SerializeUnion_(obj.get(), &buf, &data);
-
-  std::vector<Handle> handles;
-  data->EncodePointersAndHandles(&handles);
-  data->DecodePointersAndHandles(&handles);
-
-  ObjectUnionPtr obj2 = ObjectUnion::New();
-  Deserialize_(data, obj2.get());
-  EXPECT_EQ(10, obj2->get_f_pod_union()->get_f_int8());
-}
-
-TEST(UnionTest, UnionInUnionValidation) {
-  PodUnionPtr pod(PodUnion::New());
-  pod->set_f_int8(10);
-
-  ObjectUnionPtr obj(ObjectUnion::New());
-  obj->set_f_pod_union(pod.Pass());
-
-  size_t size = GetSerializedSize_(obj);
-  EXPECT_EQ(32U, size);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  auto* data = internal::ObjectUnion_Data::New(&buf);
-  SerializeUnion_(obj.get(), &buf, &data);
-
-  std::vector<Handle> handles;
-  data->EncodePointersAndHandles(&handles);
-
-  void* raw_buf = buf.Leak();
-  mojo::internal::BoundsChecker bounds_checker(data,
-                                               static_cast<uint32_t>(size), 0);
-  EXPECT_EQ(mojo::internal::ValidationError::NONE,
-            internal::ObjectUnion_Data::Validate(raw_buf, &bounds_checker,
-                                                 false, nullptr));
-  free(raw_buf);
-}
-
-TEST(UnionTest, UnionInUnionValidationNonNullable) {
-  PodUnionPtr pod(nullptr);
-
-  ObjectUnionPtr obj(ObjectUnion::New());
-  obj->set_f_pod_union(pod.Pass());
-
-  size_t size = GetSerializedSize_(obj);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  auto* data = internal::ObjectUnion_Data::New(&buf);
-  SerializeUnion_(obj.get(), &buf, &data);
-  std::vector<Handle> handles;
-  data->EncodePointersAndHandles(&handles);
-
-  void* raw_buf = buf.Leak();
-  mojo::internal::BoundsChecker bounds_checker(data,
-                                               static_cast<uint32_t>(size), 0);
-  EXPECT_NE(mojo::internal::ValidationError::NONE,
-            internal::ObjectUnion_Data::Validate(raw_buf, &bounds_checker,
-                                                 false, nullptr));
-  free(raw_buf);
-}
-
-TEST(UnionTest, HandleInUnionGetterSetter) {
-  ScopedMessagePipeHandle pipe0;
-  ScopedMessagePipeHandle pipe1;
-
-  CreateMessagePipe(nullptr, &pipe0, &pipe1);
-
-  HandleUnionPtr handle(HandleUnion::New());
-  handle->set_f_message_pipe(pipe1.Pass());
-
-  std::string golden("hello world");
-  WriteTextMessage(pipe0.get(), golden);
-
-  std::string actual;
-  ReadTextMessage(handle->get_f_message_pipe().get(), &actual);
-
-  EXPECT_EQ(golden, actual);
-}
-
-TEST(UnionTest, HandleInUnionSerialization) {
-  ScopedMessagePipeHandle pipe0;
-  ScopedMessagePipeHandle pipe1;
-
-  CreateMessagePipe(nullptr, &pipe0, &pipe1);
-
-  HandleUnionPtr handle(HandleUnion::New());
-  handle->set_f_message_pipe(pipe1.Pass());
-
-  size_t size = GetSerializedSize_(handle);
-  EXPECT_EQ(16U, size);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  auto* data = internal::HandleUnion_Data::New(&buf);
-  SerializeUnion_(handle.get(), &buf, &data);
-
-  std::vector<Handle> handles;
-  data->EncodePointersAndHandles(&handles);
-  EXPECT_EQ(1U, handles.size());
-  data->DecodePointersAndHandles(&handles);
-
-  HandleUnionPtr handle2(HandleUnion::New());
-  Deserialize_(data, handle2.get());
-
-  std::string golden("hello world");
-  WriteTextMessage(pipe0.get(), golden);
-
-  std::string actual;
-  ReadTextMessage(handle2->get_f_message_pipe().get(), &actual);
-
-  EXPECT_EQ(golden, actual);
-}
-
-TEST(UnionTest, HandleInUnionValidation) {
-  ScopedMessagePipeHandle pipe0;
-  ScopedMessagePipeHandle pipe1;
-
-  CreateMessagePipe(nullptr, &pipe0, &pipe1);
-
-  HandleUnionPtr handle(HandleUnion::New());
-  handle->set_f_message_pipe(pipe1.Pass());
-
-  size_t size = GetSerializedSize_(handle);
-  EXPECT_EQ(16U, size);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  auto* data = internal::HandleUnion_Data::New(&buf);
-  SerializeUnion_(handle.get(), &buf, &data);
-
-  std::vector<Handle> handles;
-  data->EncodePointersAndHandles(&handles);
-
-  void* raw_buf = buf.Leak();
-  mojo::internal::BoundsChecker bounds_checker(data,
-                                               static_cast<uint32_t>(size), 1);
-  EXPECT_EQ(mojo::internal::ValidationError::NONE,
-            internal::HandleUnion_Data::Validate(raw_buf, &bounds_checker,
-                                                 false, nullptr));
-  free(raw_buf);
-}
-
-TEST(UnionTest, HandleInUnionValidationNull) {
-  ScopedMessagePipeHandle pipe;
-  HandleUnionPtr handle(HandleUnion::New());
-  handle->set_f_message_pipe(pipe.Pass());
-
-  size_t size = GetSerializedSize_(handle);
-  EXPECT_EQ(16U, size);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  auto* data = internal::HandleUnion_Data::New(&buf);
-  SerializeUnion_(handle.get(), &buf, &data);
-
-  std::vector<Handle> handles;
-  data->EncodePointersAndHandles(&handles);
-
-  void* raw_buf = buf.Leak();
-  mojo::internal::BoundsChecker bounds_checker(data,
-                                               static_cast<uint32_t>(size), 1);
-  EXPECT_NE(mojo::internal::ValidationError::NONE,
-            internal::HandleUnion_Data::Validate(raw_buf, &bounds_checker,
-                                                 false, nullptr));
-  free(raw_buf);
-}
-
-class SmallCacheImpl : public SmallCache {
- public:
-  SmallCacheImpl() : int_value_(0) {}
-  ~SmallCacheImpl() override {}
-  int64_t int_value() const { return int_value_; }
-
- private:
-  void SetIntValue(int64_t int_value) override { int_value_ = int_value; }
-  void GetIntValue(const GetIntValueCallback& callback) override {
-    callback.Run(int_value_);
-  }
-
-  int64_t int_value_;
-};
-
-TEST(UnionTest, InterfaceInUnion) {
-  RunLoop run_loop;
-  SmallCacheImpl impl;
-  SmallCachePtr ptr;
-  Binding<SmallCache> bindings(&impl, GetProxy(&ptr));
-
-  HandleUnionPtr handle(HandleUnion::New());
-  handle->set_f_small_cache(ptr.Pass());
-
-  auto small_cache =
-      SmallCachePtr::Create(std::move(handle->get_f_small_cache()));
-  small_cache->SetIntValue(10);
-  run_loop.RunUntilIdle();
-  EXPECT_EQ(10, impl.int_value());
-}
-
-TEST(UnionTest, InterfaceInUnionSerialization) {
-  RunLoop run_loop;
-  SmallCacheImpl impl;
-  SmallCachePtr ptr;
-  Binding<SmallCache> bindings(&impl, GetProxy(&ptr));
-
-  HandleUnionPtr handle(HandleUnion::New());
-  handle->set_f_small_cache(ptr.Pass());
-  size_t size = GetSerializedSize_(handle);
-  EXPECT_EQ(16U, size);
-
-  mojo::internal::FixedBufferForTesting buf(size);
-  auto* data = internal::HandleUnion_Data::New(&buf);
-  SerializeUnion_(handle.get(), &buf, &data);
-
-  std::vector<Handle> handles;
-  data->EncodePointersAndHandles(&handles);
-  EXPECT_EQ(1U, handles.size());
-  data->DecodePointersAndHandles(&handles);
-
-  HandleUnionPtr handle2(HandleUnion::New());
-  Deserialize_(data, handle2.get());
-
-  auto small_cache =
-      SmallCachePtr::Create(std::move(handle2->get_f_small_cache()));
-  small_cache->SetIntValue(10);
-  run_loop.RunUntilIdle();
-  EXPECT_EQ(10, impl.int_value());
-}
-
-class UnionInterfaceImpl : public UnionInterface {
- public:
-  UnionInterfaceImpl() {}
-  ~UnionInterfaceImpl() override {}
-
- private:
-  void Echo(PodUnionPtr in, const EchoCallback& callback) override {
-    callback.Run(in.Pass());
-  }
-};
-
-TEST(UnionTest, UnionInInterface) {
-  RunLoop run_loop;
-  UnionInterfaceImpl impl;
-  UnionInterfacePtr ptr;
-  Binding<UnionInterface> bindings(&impl, GetProxy(&ptr));
-
-  PodUnionPtr pod(PodUnion::New());
-  pod->set_f_int16(16);
-
-  ptr->Echo(pod.Pass(),
-            [](PodUnionPtr out) { EXPECT_EQ(16, out->get_f_int16()); });
-  run_loop.RunUntilIdle();
-}
-
-}  // namespace test
-}  // namespace mojo