1 files changed, 115 insertions, 0 deletions
diff --git a/extern/draco/dracoenc/src/draco/io/point_cloud_io_test.cc b/extern/draco/dracoenc/src/draco/io/point_cloud_io_test.cc
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index 00000000000..73674d06f55
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+++ b/extern/draco/dracoenc/src/draco/io/point_cloud_io_test.cc
@@ -0,0 +1,115 @@
+// 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