ソースを参照

[test] Add self-tests for crc32_le()

Add self-tests for crc32_le() using test vectors generated with Perl's
Digest::CRC.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
tags/v1.20.1
Michael Brown 12年前
コミット
e844297ef6
2個のファイルの変更117行の追加0行の削除
  1. 116
    0
      src/tests/crc32_test.c
  2. 1
    0
      src/tests/tests.c

+ 116
- 0
src/tests/crc32_test.c ファイルの表示

@@ -0,0 +1,116 @@
1
+/*
2
+ * Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>.
3
+ *
4
+ * This program is free software; you can redistribute it and/or
5
+ * modify it under the terms of the GNU General Public License as
6
+ * published by the Free Software Foundation; either version 2 of the
7
+ * License, or (at your option) any later version.
8
+ *
9
+ * This program is distributed in the hope that it will be useful, but
10
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
11
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12
+ * General Public License for more details.
13
+ *
14
+ * You should have received a copy of the GNU General Public License
15
+ * along with this program; if not, write to the Free Software
16
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17
+ * 02110-1301, USA.
18
+ */
19
+
20
+FILE_LICENCE ( GPL2_OR_LATER );
21
+
22
+/** @file
23
+ *
24
+ * CRC32 tests
25
+ *
26
+ *
27
+ * Test vectors generated using Perl's Digest::CRC:
28
+ *
29
+ *    use Digest::CRC qw ( crc );
30
+ *
31
+ *    printf "%#08x", crc ( $data, 32, $seed, 0, 1, 0x04c11db7, 1 );
32
+ *
33
+ */
34
+
35
+/* Forcibly enable assertions */
36
+#undef NDEBUG
37
+
38
+#include <stdint.h>
39
+#include <ipxe/crc32.h>
40
+#include <ipxe/test.h>
41
+
42
+/** Define inline data */
43
+#define DATA(...) { __VA_ARGS__ }
44
+
45
+/** A CRC32 test */
46
+struct crc32_test {
47
+	/** Test data */
48
+	const void *data;
49
+	/** Length of test data */
50
+	size_t len;
51
+	/** Seed */
52
+	uint32_t seed;
53
+	/** Expected CRC32 */
54
+	uint32_t crc32;
55
+};
56
+
57
+/**
58
+ * Define a CRC32 test
59
+ *
60
+ * @v name		Test name
61
+ * @v DATA		Test data
62
+ * @v SEED		Seed
63
+ * @v CRC32		Expected CRC32
64
+ * @ret test		CRC32 test
65
+ */
66
+#define CRC32_TEST( name, DATA, SEED, CRC32 )				\
67
+	static const uint8_t name ## _data[] = DATA;			\
68
+	static struct crc32_test name = {				\
69
+		.data = name ## _data,					\
70
+		.len = sizeof ( name ## _data ),			\
71
+		.seed = SEED,						\
72
+		.crc32 = CRC32,						\
73
+	};
74
+
75
+/**
76
+ * Report a CRC32 test result
77
+ *
78
+ * @v test		CRC32 test
79
+ */
80
+#define crc32_ok( test ) do {						\
81
+	uint32_t crc32;							\
82
+	crc32 = crc32_le ( (test)->seed, (test)->data, (test)->len );	\
83
+	ok ( crc32 == (test)->crc32 );					\
84
+	} while ( 0 )
85
+
86
+/* CRC32 tests */
87
+CRC32_TEST ( empty_test,
88
+	     DATA ( ),
89
+	     0x12345678UL, 0x12345678UL );
90
+CRC32_TEST ( hw_test,
91
+	     DATA ( 'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd' ),
92
+	     0xffffffffUL, 0xf2b5ee7aUL );
93
+CRC32_TEST ( hw_split_part1_test,
94
+	     DATA ( 'h', 'e', 'l', 'l', 'o' ),
95
+	     0xffffffffUL, 0xc9ef5979UL );
96
+CRC32_TEST ( hw_split_part2_test,
97
+	     DATA ( ' ', 'w', 'o', 'r', 'l', 'd' ),
98
+	     0xc9ef5979UL, 0xf2b5ee7aUL );
99
+
100
+/**
101
+ * Perform CRC32 self-tests
102
+ *
103
+ */
104
+static void crc32_test_exec ( void ) {
105
+
106
+	crc32_ok ( &empty_test );
107
+	crc32_ok ( &hw_test );
108
+	crc32_ok ( &hw_split_part1_test );
109
+	crc32_ok ( &hw_split_part2_test );
110
+}
111
+
112
+/** CRC32 self-test */
113
+struct self_test crc32_test __self_test = {
114
+	.name = "crc32",
115
+	.exec = crc32_test_exec,
116
+};

+ 1
- 0
src/tests/tests.c ファイルの表示

@@ -29,6 +29,7 @@ REQUIRE_OBJECT ( list_test );
29 29
 REQUIRE_OBJECT ( byteswap_test );
30 30
 REQUIRE_OBJECT ( settings_test );
31 31
 REQUIRE_OBJECT ( time_test );
32
+REQUIRE_OBJECT ( crc32_test );
32 33
 REQUIRE_OBJECT ( md5_test );
33 34
 REQUIRE_OBJECT ( sha1_test );
34 35
 REQUIRE_OBJECT ( sha256_test );

読み込み中…
キャンセル
保存