STT-tensorflow/tensorflow/lite/allocation_test.cc
Jared Duke 7da3e2c1d4 [tf.lite] (Re-land) Add FlatBufferModel::BuildFromAllocation() API
This allows more flexibility in providing models from alternative sources.
Also add a `MMAPAllocation(int fd)` API for enabling user-provided file
descriptors as model sources.

Resolves .

PiperOrigin-RevId: 358931162
Change-Id: I6a443f73f7bce2c0c18dc35f20650715170365cb
2021-02-22 16:47:24 -08:00

91 lines
2.3 KiB
C++

/* Copyright 2020 The TensorFlow Authors. 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 "tensorflow/lite/allocation.h"
#if defined(__linux__)
#include <fcntl.h>
#endif
#include <string>
#include <gtest/gtest.h>
#include "tensorflow/lite/testing/util.h"
namespace tflite {
TEST(MMAPAllocation, TestInvalidFile) {
if (!MMAPAllocation::IsSupported()) {
return;
}
TestErrorReporter error_reporter;
MMAPAllocation allocation("/tmp/tflite_model_1234", &error_reporter);
EXPECT_FALSE(allocation.valid());
}
TEST(MMAPAllocation, TestValidFile) {
if (!MMAPAllocation::IsSupported()) {
return;
}
TestErrorReporter error_reporter;
MMAPAllocation allocation(
"tensorflow/lite/testdata/empty_model.bin", &error_reporter);
ASSERT_TRUE(allocation.valid());
EXPECT_GT(allocation.fd(), 0);
EXPECT_GT(allocation.bytes(), 0);
EXPECT_NE(allocation.base(), nullptr);
}
#if defined(__linux__)
TEST(MMAPAllocation, TestInvalidFileDescriptor) {
if (!MMAPAllocation::IsSupported()) {
return;
}
TestErrorReporter error_reporter;
MMAPAllocation allocation(-1, &error_reporter);
EXPECT_FALSE(allocation.valid());
}
TEST(MMAPAllocation, TestValidFileDescriptor) {
if (!MMAPAllocation::IsSupported()) {
return;
}
int fd =
open("tensorflow/lite/testdata/empty_model.bin", O_RDONLY);
ASSERT_GT(fd, 0);
TestErrorReporter error_reporter;
MMAPAllocation allocation(fd, &error_reporter);
EXPECT_TRUE(allocation.valid());
EXPECT_GT(allocation.fd(), 0);
EXPECT_GT(allocation.bytes(), 0);
EXPECT_NE(allocation.base(), nullptr);
close(fd);
}
#endif
} // namespace tflite
int main(int argc, char** argv) {
::tflite::LogToStderr();
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}