gem5  v22.0.0.1
image_file_data.test.cc
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2019 The Regents of the University of California
3  * All rights reserved
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are
7  * met: redistributions of source code must retain the above copyright
8  * notice, this list of conditions and the following disclaimer;
9  * redistributions in binary form must reproduce the above copyright
10  * notice, this list of conditions and the following disclaimer in the
11  * documentation and/or other materials provided with the distribution;
12  * neither the name of the copyright holders nor the names of its
13  * contributors may be used to endorse or promote products derived from
14  * this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <gtest/gtest.h>
30 #include <sys/types.h>
31 #include <unistd.h>
32 
33 #include <cstdlib>
34 
37 
38 using namespace gem5;
39 using namespace loader;
40 
41 TEST(ImageFileDataTest, SimpleImage)
42 {
43  /*
44  * Create a temporary file from our data blob.
45  */
46  char filename[] = "image-XXXXXX";
47  int fd = mkstemp(filename);
48  ASSERT_NE(-1, fd);
49  ssize_t size = write(fd, image_file, sizeof(image_file));
50 
51  /*
52  * In this basic test, the image file is simply loaded to the
53  * ImageFileData object (i.e., no decompression).
54  */
55  ImageFileData idf(filename);
56 
57  EXPECT_EQ(idf.filename(), filename);
58  EXPECT_EQ(size, idf.len());
59 
60  for (size_t i = 0; i < sizeof(image_file); i++) {
61  EXPECT_EQ(image_file[i], idf.data()[i]);
62  }
63 
64  /*
65  * Close and delete the temporary file.
66  */
67  close(fd);
68  unlink(filename);
69 }
70 
71 
72 TEST(ImageFileDataTest, GZipImage)
73 {
74  /*
75  * Create temporary files from our data blobs.
76  */
77  char filename_gz[] = "image-XXXXXX";
78  int fd_gz = mkstemp(filename_gz);
79  ASSERT_NE(-1, fd_gz);
80  ssize_t size_gz = write(fd_gz, image_file_gzipped,
81  sizeof(image_file_gzipped));
82 
83  char filename[] = "image-XXXXXX";
84  int fd = mkstemp(filename);
85  ASSERT_NE(-1, fd);
86  ssize_t size = write(fd, image_file, sizeof(image_file));
87 
88  /*
89  * ImageFileData decompresses a gzipped file. image_file_gzipped is just
90  * image_file gzipped. Therefore ifd_gz.len() should equal ifd.len() and
91  * ifd.data() should equal ifd_gz.data().
92  */
93  ImageFileData ifd_gz(filename_gz);
94  ImageFileData ifd(filename);
95 
96  EXPECT_EQ(ifd.len(), ifd_gz.len());
97  EXPECT_EQ(size, ifd.len());
98  EXPECT_NE(size_gz, ifd_gz.len());
99 
100  for (size_t index = 0; index < ifd.len(); index++) {
101  EXPECT_EQ(ifd.data()[index], ifd_gz.data()[index]);
102  }
103 
104  /*
105  * Close and delete the temporary files.
106  */
107  close(fd);
108  unlink(filename);
109  close(fd_gz);
110  unlink(filename_gz);
111 }
gem5::ArmISA::fd
Bitfield< 14, 12 > fd
Definition: types.hh:150
gem5::MipsISA::index
Bitfield< 30, 0 > index
Definition: pra_constants.hh:47
gem5::ArmISA::i
Bitfield< 7 > i
Definition: misc_types.hh:67
image_file_data.hh
gem5::image_file_gzipped
const uint8_t image_file_gzipped[]
This is "image_file" compressed using GZip.
Definition: small_image_file.test.hh:132
gem5::loader::ImageFileData
Definition: image_file_data.hh:45
gem5::loader::ImageFileData::data
const uint8_t * data() const
Definition: image_file_data.hh:54
TEST
TEST(ImageFileDataTest, SimpleImage)
Definition: image_file_data.test.cc:41
gem5::loader::ImageFileData::filename
const std::string & filename() const
Definition: image_file_data.hh:53
gem5::loader::ImageFileData::len
size_t len() const
Definition: image_file_data.hh:55
gem5::image_file
const uint8_t image_file[]
This image file contains the text "This is a test image.\n" 31 times.
Definition: small_image_file.test.hh:40
small_image_file.test.hh
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: gpu_translation_state.hh:37

Generated on Sat Jun 18 2022 08:12:18 for gem5 by doxygen 1.8.17