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comparison packages/language/c/libc/string/current/tests/memcmp1.c @ 115:6ed91473a1cd ecos-sw-2000-08-21

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Merge from eCos master repository on 2000-08-21-22:40:54-BST
author jlarmour
date Fri, 25 Aug 2000 17:32:38 +0000
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children e0c0827131d1
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114:5ad2b71d525e 115:6ed91473a1cd
1 //=================================================================
2 //
3 // memcmp1.c
4 //
5 // Testcase for C library memcmp()
6 //
7 //=================================================================
8 //####COPYRIGHTBEGIN####
9 //
10 // -------------------------------------------
11 // The contents of this file are subject to the Red Hat eCos Public License
12 // Version 1.1 (the "License"); you may not use this file except in
13 // compliance with the License. You may obtain a copy of the License at
14 // http://www.redhat.com/
15 //
16 // Software distributed under the License is distributed on an "AS IS"
17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
18 // License for the specific language governing rights and limitations under
19 // the License.
20 //
21 // The Original Code is eCos - Embedded Configurable Operating System,
22 // released September 30, 1998.
23 //
24 // The Initial Developer of the Original Code is Red Hat.
25 // Portions created by Red Hat are
26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
27 // All Rights Reserved.
28 // -------------------------------------------
29 //
30 //####COPYRIGHTEND####
31 //=================================================================
32 //#####DESCRIPTIONBEGIN####
33 //
34 // Author(s): ctarpy, jlarmour
35 // Contributors:
36 // Date: 2000-04-30
37 // Description: Contains testcode for C library memcmp() function
38 //
39 //
40 //####DESCRIPTIONEND####
41
42 // INCLUDES
43
44 #include <string.h>
45 #include <cyg/infra/testcase.h>
46
47 // FUNCTIONS
48
49 // Functions to avoid having to use libc strings
50
51 static int my_strlen(const char *s)
52 {
53 const char *ptr;
54
55 ptr = s;
56 for ( ptr=s ; *ptr != '\0' ; ptr++ )
57 ;
58
59 return (int)(ptr-s);
60 } // my_strlen()
61
62
63 static char *my_strcpy(char *s1, const char *s2)
64 {
65 while (*s2 != '\0') {
66 *(s1++) = *(s2++);
67 }
68 *s1 = '\0';
69
70 return s1;
71 } // my_strcpy()
72
73
74 int main( int argc, char *argv[] )
75 {
76 char x[300];
77 char y[300];
78
79 CYG_TEST_INIT();
80
81 CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C library "
82 "memcmp() function");
83 CYG_TEST_INFO("This testcase provides simple basic tests");
84
85 // Check 1
86 my_strcpy(x, "I have become, comfortably numb");
87 my_strcpy(y, "I have become, comfortably numb");
88 CYG_TEST_PASS_FAIL( (memcmp(x, y, my_strlen(x)) == 0), "Simple compare");
89
90
91 // Check 2
92 my_strcpy(x, "");
93 my_strcpy(y, "");
94 CYG_TEST_PASS_FAIL( (memcmp(x, y, 0) == 0), "Simple empty string compare");
95
96
97 // Check 3
98 my_strcpy(x, "..shall snuff it. And the Lord did grin");
99 my_strcpy(y, "..shall snuff it. And the Lord did grio");
100 CYG_TEST_PASS_FAIL( (memcmp(x, y, my_strlen(x)) < 0),
101 "Memory less than #1" );
102
103
104 // Check 4
105 my_strcpy(x, "A reading from the Book of Armaments, Chapter 4, "
106 "Verses 16 to 20:");
107 my_strcpy(y, "Bless this, O Lord, that with it thou mayst blow thine "
108 "enemies to tiny bits, in thy mercy.");
109 CYG_TEST_PASS_FAIL( (memcmp(x, y, my_strlen(x)) < 0),
110 "Memory less than #2");
111
112 // Check 5
113 my_strcpy(x, "Lobeth this thy holy hand grenade at thy foe");
114 my_strcpy(y, "Lobeth this thy holy hand grenade at thy fod");
115 CYG_TEST_PASS_FAIL( (memcmp(x, y, my_strlen(x)) > 0),
116 "Memory greater than #1" );
117
118
119 // Check 6
120 my_strcpy(y, "Three shall be the number of the counting and the");
121 my_strcpy(x, "number of the counting shall be three");
122 CYG_TEST_PASS_FAIL( (memcmp(x, y, my_strlen(x)) > 0),
123 "Memory greater than #2" );
124
125 // CYG_TEST_NA("Testing is not applicable to this configuration");
126
127 CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C library "
128 "memcmp() function");
129 } // main()
130
131
132
133 // EOF memcmp1.c