Differential D4501 Diff 14697 extern/draco/dracoenc/src/draco/io/point_cloud_io_test.cc

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extern/draco/dracoenc/src/draco/io/point_cloud_io_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/io/point_cloud_io.h"

				#include <sstream>

				#include "draco/core/draco_test_base.h"
				#include "draco/core/draco_test_utils.h"
				#include "draco/io/obj_decoder.h"

				namespace draco {

				class IoPointCloudIoTest : public ::testing::Test {
				protected:
				void test_compression_method(PointCloudEncodingMethod method,
				int expected_num_attributes,
				const std::string &file_name) {
				const std::unique_ptr<PointCloud> encoded_pc =
				ReadPointCloudFromTestFile(file_name);
				ASSERT_NE(encoded_pc, nullptr) << "Failed to load test model " << file_name;
				ASSERT_GE(encoded_pc->num_attributes(), expected_num_attributes)
				<< "Failed to load test model: " << file_name
				<< " wrong number of attributes" << std::endl;

				// Set quantization.
				EncoderOptions options = EncoderOptions::CreateDefaultOptions();
				for (int i = 0; i <= GeometryAttribute::NAMED_ATTRIBUTES_COUNT; i++) {
				options.SetAttributeInt(GeometryAttribute::Type(i), "quantization_bits",
				14);
				}

				std::stringstream ss;
				WritePointCloudIntoStream(encoded_pc.get(), ss, method, options);
				ASSERT_TRUE(ss.good());

				std::unique_ptr<PointCloud> decoded_pc;
				ReadPointCloudFromStream(&decoded_pc, ss);
				ASSERT_TRUE(ss.good());

				for (int i = 0; i <= GeometryAttribute::NAMED_ATTRIBUTES_COUNT; i++) {
				ASSERT_EQ(encoded_pc->NumNamedAttributes(GeometryAttribute::Type(i)),
				decoded_pc->NumNamedAttributes(GeometryAttribute::Type(i)));
				}

				ASSERT_EQ(encoded_pc->num_points(), decoded_pc->num_points());
				}
				};

				TEST_F(IoPointCloudIoTest, EncodeSequentialPointCloudTestNmObj) {
				test_compression_method(POINT_CLOUD_SEQUENTIAL_ENCODING, 2, "test_nm.obj");
				}
				TEST_F(IoPointCloudIoTest, EncodeSequentialPointCloudTestPosObj) {
				test_compression_method(POINT_CLOUD_SEQUENTIAL_ENCODING, 1,
				"point_cloud_test_pos.obj");
				}
				TEST_F(IoPointCloudIoTest, EncodeSequentialPointCloudTestPosPly) {
				test_compression_method(POINT_CLOUD_SEQUENTIAL_ENCODING, 1,
				"point_cloud_test_pos.ply");
				}
				TEST_F(IoPointCloudIoTest, EncodeSequentialPointCloudTestPosNormObj) {
				test_compression_method(POINT_CLOUD_SEQUENTIAL_ENCODING, 2,
				"point_cloud_test_pos_norm.obj");
				}
				TEST_F(IoPointCloudIoTest, EncodeSequentialPointCloudTestPosNormPly) {
				test_compression_method(POINT_CLOUD_SEQUENTIAL_ENCODING, 2,
				"point_cloud_test_pos_norm.ply");
				}

				TEST_F(IoPointCloudIoTest, EncodeKdTreePointCloudTestPosObj) {
				test_compression_method(POINT_CLOUD_KD_TREE_ENCODING, 1,
				"point_cloud_test_pos.obj");
				}
				TEST_F(IoPointCloudIoTest, EncodeKdTreePointCloudTestPosPly) {
				test_compression_method(POINT_CLOUD_KD_TREE_ENCODING, 1,
				"point_cloud_test_pos.ply");
				}

				TEST_F(IoPointCloudIoTest, ObjFileInput) {
				// Tests whether loading obj point clouds from files works as expected.
				const std::unique_ptr<PointCloud> pc =
				ReadPointCloudFromTestFile("test_nm.obj");
				ASSERT_NE(pc, nullptr) << "Failed to load the obj point cloud.";
				EXPECT_EQ(pc->num_points(), 97) << "Obj point cloud not loaded properly.";
				}

				// Test if we handle wrong input for all file extensions.
				TEST_F(IoPointCloudIoTest, WrongFileObj) {
				const std::unique_ptr<PointCloud> pc =
				ReadPointCloudFromTestFile("wrong_file_name.obj");
				ASSERT_EQ(pc, nullptr);
				}
				TEST_F(IoPointCloudIoTest, WrongFilePly) {
				const std::unique_ptr<PointCloud> pc =
				ReadPointCloudFromTestFile("wrong_file_name.ply");
				ASSERT_EQ(pc, nullptr);
				}
				TEST_F(IoPointCloudIoTest, WrongFile) {
				const std::unique_ptr<PointCloud> pc =
				ReadPointCloudFromTestFile("wrong_file_name");
				ASSERT_EQ(pc, nullptr);
				}

				} // namespace draco