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Differential D4501 Diff 14697 extern/draco/dracoenc/src/draco/metadata/metadata_encoder_test.cc

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extern/draco/dracoenc/src/draco/metadata/metadata_encoder_test.cc

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// Copyright 2017 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/metadata/metadata_encoder.h"
#include "draco/core/decoder_buffer.h"
#include "draco/core/draco_test_base.h"
#include "draco/core/encoder_buffer.h"
#include "draco/metadata/metadata.h"
#include "draco/metadata/metadata_decoder.h"
namespace {
class MetadataEncoderTest : public ::testing::Test {
protected:
MetadataEncoderTest() {}
void TestEncodingMetadata() {
ASSERT_TRUE(encoder.EncodeMetadata(&encoder_buffer, &metadata));
draco::Metadata decoded_metadata;
decoder_buffer.Init(encoder_buffer.data(), encoder_buffer.size());
ASSERT_TRUE(decoder.DecodeMetadata(&decoder_buffer, &decoded_metadata));
CheckMetadatasAreEqual(metadata, decoded_metadata);
}
void TestEncodingGeometryMetadata() {
ASSERT_TRUE(
encoder.EncodeGeometryMetadata(&encoder_buffer, &geometry_metadata));
draco::GeometryMetadata decoded_metadata;
decoder_buffer.Init(encoder_buffer.data(), encoder_buffer.size());
ASSERT_TRUE(
decoder.DecodeGeometryMetadata(&decoder_buffer, &decoded_metadata));
CheckGeometryMetadatasAreEqual(geometry_metadata, decoded_metadata);
}
void CheckBlobOfDataAreEqual(const std::vector<uint8_t> &data0,
const std::vector<uint8_t> &data1) {
ASSERT_EQ(data0.size(), data1.size());
for (int i = 0; i < data0.size(); ++i)
ASSERT_EQ(data0[i], data1[i]);
}
void CheckGeometryMetadatasAreEqual(
const draco::GeometryMetadata &metadata0,
const draco::GeometryMetadata &metadata1) {
ASSERT_EQ(metadata0.attribute_metadatas().size(),
metadata1.attribute_metadatas().size());
const std::vector<std::unique_ptr<draco::AttributeMetadata>>
&att_metadatas0 = metadata0.attribute_metadatas();
const std::vector<std::unique_ptr<draco::AttributeMetadata>>
&att_metadatas1 = metadata1.attribute_metadatas();
// Compare each attribute metadata.
for (int i = 0; i < metadata0.attribute_metadatas().size(); ++i) {
CheckMetadatasAreEqual(
static_cast<const draco::Metadata &>(*att_metadatas0[i]),
static_cast<const draco::Metadata &>(*att_metadatas1[i]));
}
// Compare entries and sub metadata.
CheckMetadatasAreEqual(static_cast<const draco::Metadata &>(metadata0),
static_cast<const draco::Metadata &>(metadata1));
}
void CheckMetadatasAreEqual(const draco::Metadata &metadata0,
const draco::Metadata &metadata1) {
ASSERT_EQ(metadata0.num_entries(), metadata1.num_entries());
const std::unordered_map<std::string, draco::EntryValue> &entries0 =
metadata0.entries();
const std::unordered_map<std::string, draco::EntryValue> &entries1 =
metadata1.entries();
for (const auto &entry : entries0) {
const std::string &entry_name = entry.first;
const std::vector<uint8_t> &data0 = entry.second.data();
const auto entry1_ptr = entries1.find(entry_name);
ASSERT_NE(entry1_ptr, entries1.end());
const std::vector<uint8_t> &data1 = entry1_ptr->second.data();
CheckBlobOfDataAreEqual(data0, data1);
}
// Check nested metadata.
ASSERT_EQ(metadata0.sub_metadatas().size(),
metadata1.sub_metadatas().size());
const std::unordered_map<std::string, std::unique_ptr<draco::Metadata>>
&sub_metadatas0 = metadata0.sub_metadatas();
// Encode each sub-metadata
for (auto &&sub_metadata_entry0 : sub_metadatas0) {
const auto sub_metadata_ptr1 =
metadata1.GetSubMetadata(sub_metadata_entry0.first);
ASSERT_NE(sub_metadata_ptr1, nullptr);
CheckMetadatasAreEqual(*sub_metadata_entry0.second, *sub_metadata_ptr1);
}
}
draco::MetadataEncoder encoder;
draco::MetadataDecoder decoder;
draco::EncoderBuffer encoder_buffer;
draco::DecoderBuffer decoder_buffer;
draco::Metadata metadata;
draco::GeometryMetadata geometry_metadata;
};
TEST_F(MetadataEncoderTest, TestSingleEntry) {
metadata.AddEntryInt("int", 100);
ASSERT_EQ(metadata.num_entries(), 1);
TestEncodingMetadata();
}
TEST_F(MetadataEncoderTest, TestMultipleEntries) {
metadata.AddEntryInt("int", 100);
metadata.AddEntryDouble("double", 1.234);
const std::string entry_value = "test string entry";
metadata.AddEntryString("string", entry_value);
ASSERT_EQ(metadata.num_entries(), 3);
TestEncodingMetadata();
}
TEST_F(MetadataEncoderTest, TestEncodingArrayEntries) {
std::vector<int32_t> int_array({1, 2, 3});
metadata.AddEntryIntArray("int_array", int_array);
std::vector<double> double_array({0.1, 0.2, 0.3});
metadata.AddEntryDoubleArray("double_array", double_array);
ASSERT_EQ(metadata.num_entries(), 2);
TestEncodingMetadata();
}
TEST_F(MetadataEncoderTest, TestEncodingBinaryEntry) {
const std::vector<uint8_t> binarydata({0x1, 0x2, 0x3, 0x4});
metadata.AddEntryBinary("binary_data", binarydata);
TestEncodingMetadata();
}
TEST_F(MetadataEncoderTest, TestEncodingNestedMetadata) {
metadata.AddEntryDouble("double", 1.234);
std::unique_ptr<draco::Metadata> sub_metadata =
std::unique_ptr<draco::Metadata>(new draco::Metadata());
sub_metadata->AddEntryInt("int", 100);
metadata.AddSubMetadata("sub0", std::move(sub_metadata));
TestEncodingMetadata();
}
TEST_F(MetadataEncoderTest, TestEncodingGeometryMetadata) {
std::unique_ptr<draco::AttributeMetadata> att_metadata =
std::unique_ptr<draco::AttributeMetadata>(new draco::AttributeMetadata);
att_metadata->AddEntryInt("int", 100);
att_metadata->AddEntryString("name", "pos");
ASSERT_TRUE(geometry_metadata.AddAttributeMetadata(std::move(att_metadata)));
TestEncodingGeometryMetadata();
}
} // namespace