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/*
* Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
*
* 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 "backends/soft_backend/CPPGenerator.h"
#include "mir/ops/ReluOp.h"
#include <gtest/gtest.h>
#include <fstream>
#include <sys/stat.h>
#include <unistd.h>
#include <cstdio>
#include <ftw.h>
using namespace std;
using namespace nnc;
using namespace mir;
static bool isFileExists(const string &path)
{
ifstream f(path);
return f.good();
}
static void deleteFile(const string &path)
{
int res = remove(path.c_str());
assert(!res && "failed to remove file");
(void)res;
}
int removeRec(const char *fpath, const struct stat * /*sb*/, int /*typeflag*/,
struct FTW * /*ftwbuf*/)
{
deleteFile(fpath);
return 0;
}
static void deleteDir(const string &path)
{
int res = nftw(path.c_str(), removeRec, 1, FTW_DEPTH | FTW_PHYS);
assert(!res && "failed to remove dir");
(void)res;
}
static void checkOutputExists(const string &common_path)
{
ASSERT_TRUE(isFileExists(common_path + ".h"));
ASSERT_TRUE(isFileExists(common_path + ".cpp"));
ASSERT_TRUE(isFileExists(common_path + ".params"));
}
static void emptyFile(const string &path) { ofstream of(path); }
TEST(Generator, check_generator_call)
{
// assume here that c++ and c code generators behave identically in terms of parameters check
// test only c++ generator
#define TEST_DIR "output_dir"
#define TEST_NAME "someName"
#define BASE_NAME TEST_DIR "/" TEST_NAME
mir::Graph g;
mir::TensorType input_type{mir::DataType::FLOAT32, Shape{1, 2, 3, 4}};
Operation::Output *input = g.create<ops::InputOp>(input_type)->getOutput(0);
input->setName("input");
Operation *output = g.create<ops::ReluOp>(input);
// test that generator creates output dir and files
if (isFileExists(TEST_DIR))
deleteDir(TEST_DIR);
assert(!isFileExists(TEST_DIR) && "remove output dir");
CPPCodeGenerator cpp_code_generator(TEST_DIR, TEST_NAME);
cpp_code_generator.run(&g);
checkOutputExists(BASE_NAME);
// test that generator creates output files in existing empty dir
deleteFile(BASE_NAME ".h");
deleteFile(BASE_NAME ".cpp");
deleteFile(BASE_NAME ".params");
cpp_code_generator.run(&g);
checkOutputExists(BASE_NAME);
// test that generator rewrites existing files
emptyFile(BASE_NAME ".h");
struct stat sBefore, sAfter;
int res = stat(BASE_NAME ".h", &sBefore);
assert(res == 0);
(void)res;
assert(sBefore.st_size == 0);
cpp_code_generator.run(&g);
res = stat(BASE_NAME ".h", &sAfter);
assert(res == 0);
ASSERT_NE(sBefore.st_size, sAfter.st_size);
deleteDir(TEST_DIR);
}
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