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https://git.mirrors.martin98.com/https://github.com/google/draco
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82 lines
2.7 KiB
C++
82 lines
2.7 KiB
C++
// Copyright 2016 The Draco Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include "core/draco_test_utils.h"
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#include <fstream>
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#include "core/macros.h"
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#include "draco_test_base.h"
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namespace draco {
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namespace {
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static constexpr char kTestDataDir[] = DRACO_TEST_DATA_DIR;
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} // namespace
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std::string GetTestFileFullPath(const std::string &file_name) {
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return std::string(kTestDataDir) + std::string("/") + file_name;
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}
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bool GenerateGoldenFile(const std::string &golden_file_name, const void *data,
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int data_size) {
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// TODO(ostava): This will work only when the test is executed locally
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// from blaze-bin/ folder. We should look for ways how to
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// make it work when it's run using the "blaze test" command.
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const std::string path = GetTestFileFullPath(golden_file_name);
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std::ofstream file(path, std::ios::binary);
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if (!file)
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return false;
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file.write(static_cast<const char *>(data), data_size);
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file.close();
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return true;
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}
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bool CompareGoldenFile(const std::string &golden_file_name, const void *data,
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int data_size) {
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const std::string golden_path = GetTestFileFullPath(golden_file_name);
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std::ifstream in_file(golden_path);
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if (!in_file || data_size < 0)
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return false;
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const char *const data_c8 = static_cast<const char *>(data);
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constexpr int buffer_size = 1024;
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char buffer[buffer_size];
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size_t extracted_size = 0;
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size_t remaining_data_size = data_size;
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int offset = 0;
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while ((extracted_size = in_file.read(buffer, buffer_size).gcount()) > 0) {
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if (remaining_data_size <= 0)
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break; // Input and golden sizes are different.
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size_t size_to_check = extracted_size;
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if (remaining_data_size < size_to_check)
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size_to_check = remaining_data_size;
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for (uint32_t i = 0; i < size_to_check; ++i) {
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if (buffer[i] != data_c8[offset++]) {
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LOG(INFO) << "Test output differed from golden file at byte "
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<< offset - 1;
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return false;
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}
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}
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remaining_data_size -= extracted_size;
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}
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if (remaining_data_size != extracted_size) {
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// Both of these values should be 0 at the end.
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LOG(INFO) << "Test output size differed from golden file size";
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return false;
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}
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return true;
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}
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} // namespace draco
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