gem5  v20.1.0.0
image_file_data.test.cc
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28 
29 #include <gtest/gtest.h>
30 #include <sys/types.h>
31 #include <unistd.h>
32 
33 #include <cstdlib>
34 
37 
38 using namespace Loader;
39 
40 TEST(ImageFileDataTest, SimpleImage)
41 {
42  /*
43  * Create a temporary file from our data blob.
44  */
45  char filename[] = "image-XXXXXX";
46  int fd = mkstemp(filename);
47  ASSERT_NE(-1, fd);
48  ssize_t size = write(fd, image_file, sizeof(image_file));
49 
50  /*
51  * In this basic test, the image file is simply loaded to the
52  * ImageFileData object (i.e., no decompression).
53  */
54  ImageFileData idf(filename);
55 
56  EXPECT_EQ(idf.filename(), filename);
57  EXPECT_EQ(size, idf.len());
58 
59  for (size_t i = 0; i < sizeof(image_file); i++) {
60  EXPECT_EQ(image_file[i], idf.data()[i]);
61  }
62 
63  /*
64  * Close and delete the temporary file.
65  */
66  close(fd);
67  unlink(filename);
68 }
69 
70 
71 TEST(ImageFileDataTest, GZipImage)
72 {
73  /*
74  * Create temporary files from our data blobs.
75  */
76  char filename_gz[] = "image-XXXXXX";
77  int fd_gz = mkstemp(filename_gz);
78  ASSERT_NE(-1, fd_gz);
79  ssize_t size_gz = write(fd_gz, image_file_gzipped,
80  sizeof(image_file_gzipped));
81 
82  char filename[] = "image-XXXXXX";
83  int fd = mkstemp(filename);
84  ASSERT_NE(-1, fd);
85  ssize_t size = write(fd, image_file, sizeof(image_file));
86 
87  /*
88  * ImageFileData decompresses a gzipped file. image_file_gzipped is just
89  * image_file gzipped. Therefore ifd_gz.len() should equal ifd.len() and
90  * ifd.data() should equal ifd_gz.data().
91  */
92  ImageFileData ifd_gz(filename_gz);
93  ImageFileData ifd(filename);
94 
95  EXPECT_EQ(ifd.len(), ifd_gz.len());
96  EXPECT_EQ(size, ifd.len());
97  EXPECT_NE(size_gz, ifd_gz.len());
98 
99  for (size_t index = 0; index < ifd.len(); index++) {
100  EXPECT_EQ(ifd.data()[index], ifd_gz.data()[index]);
101  }
102 
103  /*
104  * Close and delete the temporary files.
105  */
106  close(fd);
107  unlink(filename);
108  close(fd_gz);
109  unlink(filename_gz);
110 }
MipsISA::index
Bitfield< 30, 0 > index
Definition: pra_constants.hh:44
ArmISA::i
Bitfield< 7 > i
Definition: miscregs_types.hh:63
image_file_gzipped
const uint8_t image_file_gzipped[]
This is "image_file" compressed using GZip.
Definition: small_image_file.test.hh:129
ArmISA::fd
Bitfield< 14, 12 > fd
Definition: types.hh:159
Loader::ImageFileData::len
size_t len() const
Definition: image_file_data.hh:49
image_file_data.hh
EXPECT_EQ
#define EXPECT_EQ(lhs, rhs)
A macro which verifies that lhs and rhs are equal to each other.
Definition: unittest.hh:110
Loader::ImageFileData::data
const uint8_t * data() const
Definition: image_file_data.hh:48
Loader
Definition: process.hh:39
TEST
TEST(ImageFileDataTest, SimpleImage)
Definition: image_file_data.test.cc:40
Loader::ImageFileData::filename
const std::string & filename() const
Definition: image_file_data.hh:47
Loader::ImageFileData
Definition: image_file_data.hh:39
small_image_file.test.hh
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:37

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