Differential D4501 Diff 14126 extern/gltf-draco/draco/src/draco/compression/point_cloud/point_cloud_sequential_encoding_test.cc

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extern/gltf-draco/draco/src/draco/compression/point_cloud/point_cloud_sequential_encoding_test.cc

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				// Copyright 2016 The Draco Authors.
				//
				// Licensed under the Apache License, Version 2.0 (the "License");
				// you may not use this file except in compliance with the License.
				// You may obtain a copy of the License at
				//
				// http://www.apache.org/licenses/LICENSE-2.0
				//
				// Unless required by applicable law or agreed to in writing, software
				// distributed under the License is distributed on an "AS IS" BASIS,
				// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
				// See the License for the specific language governing permissions and
				// limitations under the License.
				//
				#include "draco/compression/point_cloud/point_cloud_sequential_decoder.h"
				#include "draco/compression/point_cloud/point_cloud_sequential_encoder.h"
				#include "draco/core/draco_test_base.h"
				#include "draco/core/draco_test_utils.h"
				#include "draco/io/obj_decoder.h"

				namespace draco {

				class PointCloudSequentialEncodingTest : public ::testing::Test {
				protected:
				std::unique_ptr<PointCloud> EncodeAndDecodePointCloud(const PointCloud *pc) {
				EncoderBuffer buffer;
				PointCloudSequentialEncoder encoder;
				EncoderOptions options = EncoderOptions::CreateDefaultOptions();
				encoder.SetPointCloud(*pc);
				if (!encoder.Encode(options, &buffer).ok())
				return nullptr;

				DecoderBuffer dec_buffer;
				dec_buffer.Init(buffer.data(), buffer.size());
				PointCloudSequentialDecoder decoder;

				std::unique_ptr<PointCloud> out_pc(new PointCloud());
				DecoderOptions dec_options;
				if (!decoder.Decode(dec_options, &dec_buffer, out_pc.get()).ok())
				return nullptr;
				return out_pc;
				}

				void TestEncoding(const std::string &file_name) {
				std::unique_ptr<PointCloud> pc = ReadPointCloudFromTestFile(file_name);
				ASSERT_NE(pc, nullptr);

				std::unique_ptr<PointCloud> decoded_pc =
				EncodeAndDecodePointCloud(pc.get());
				ASSERT_NE(decoded_pc.get(), nullptr);
				ASSERT_EQ(decoded_pc->num_points(), pc->num_points());
				}
				};

				TEST_F(PointCloudSequentialEncodingTest, DoesEncodeAndDecode) {
				TestEncoding("test_nm.obj");
				}

				TEST_F(PointCloudSequentialEncodingTest, EncodingPointCloudWithMetadata) {
				std::unique_ptr<PointCloud> pc = ReadPointCloudFromTestFile("test_nm.obj");
				ASSERT_NE(pc, nullptr);
				// Add metadata to point cloud.
				std::unique_ptr<GeometryMetadata> metadata =
				std::unique_ptr<GeometryMetadata>(new GeometryMetadata());
				const uint32_t pos_att_id =
				pc->GetNamedAttributeId(GeometryAttribute::POSITION);
				std::unique_ptr<AttributeMetadata> pos_metadata =
				std::unique_ptr<AttributeMetadata>(new AttributeMetadata());
				pos_metadata->AddEntryString("name", "position");
				pc->AddAttributeMetadata(pos_att_id, std::move(pos_metadata));

				std::unique_ptr<PointCloud> decoded_pc = EncodeAndDecodePointCloud(pc.get());
				ASSERT_NE(decoded_pc.get(), nullptr);

				const GeometryMetadata *const pc_metadata = decoded_pc->GetMetadata();
				ASSERT_NE(pc_metadata, nullptr);
				// Test getting attribute metadata by id.
				ASSERT_NE(pc->GetAttributeMetadataByAttributeId(pos_att_id), nullptr);
				// Test getting attribute metadata by entry name value pair.
				const AttributeMetadata *const requested_att_metadata =
				pc_metadata->GetAttributeMetadataByStringEntry("name", "position");
				ASSERT_NE(requested_att_metadata, nullptr);
				ASSERT_EQ(requested_att_metadata->att_unique_id(),
				pc->attribute(pos_att_id)->unique_id());
				}

				// TODO(ostava): Test the reusability of a single instance of the encoder and
				// decoder class.

				} // namespace draco