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/*
* Copyright (c) 2019 The Regents of the University of California
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <gtest/gtest.h>
#include <sys/types.h>
#include <unistd.h>
#include <cstdlib>
#include "base/loader/image_file_data.hh"
#include "base/loader/small_image_file.test.hh"
using namespace Loader;
TEST(ImageFileDataTest, SimpleImage)
{
/*
* Create a temporary file from our data blob.
*/
char filename[] = "image-XXXXXX";
int fd = mkstemp(filename);
ASSERT_NE(-1, fd);
ssize_t size = write(fd, image_file, sizeof(image_file));
/*
* In this basic test, the image file is simply loaded to the
* ImageFileData object (i.e., no decompression).
*/
ImageFileData idf(filename);
EXPECT_EQ(idf.filename(), filename);
EXPECT_EQ(size, idf.len());
for (size_t i = 0; i < sizeof(image_file); i++) {
EXPECT_EQ(image_file[i], idf.data()[i]);
}
/*
* Close and delete the temporary file.
*/
close(fd);
unlink(filename);
}
TEST(ImageFileDataTest, GZipImage)
{
/*
* Create temporary files from our data blobs.
*/
char filename_gz[] = "image-XXXXXX";
int fd_gz = mkstemp(filename_gz);
ASSERT_NE(-1, fd_gz);
ssize_t size_gz = write(fd_gz, image_file_gzipped,
sizeof(image_file_gzipped));
char filename[] = "image-XXXXXX";
int fd = mkstemp(filename);
ASSERT_NE(-1, fd);
ssize_t size = write(fd, image_file, sizeof(image_file));
/*
* ImageFileData decompresses a gzipped file. image_file_gzipped is just
* image_file gzipped. Therefore ifd_gz.len() should equal ifd.len() and
* ifd.data() should equal ifd_gz.data().
*/
ImageFileData ifd_gz(filename_gz);
ImageFileData ifd(filename);
EXPECT_EQ(ifd.len(), ifd_gz.len());
EXPECT_EQ(size, ifd.len());
EXPECT_NE(size_gz, ifd_gz.len());
for (size_t index = 0; index < ifd.len(); index++) {
EXPECT_EQ(ifd.data()[index], ifd_gz.data()[index]);
}
/*
* Close and delete the temporary files.
*/
close(fd);
unlink(filename);
close(fd_gz);
unlink(filename_gz);
}