source: SVN/cambria/redboot/packages/services/memalloc/common/current/tests/malloc3.c @ 1

Last change on this file since 1 was 1, checked in by Tim Harvey, 2 years ago

restored latest version of files from server backup

Signed-off-by: Tim Harvey <tharvey@…>

File size: 6.1 KB
Line 
1//=================================================================
2//
3//        malloc3.c
4//
5//        Testcase for C library malloc(), calloc() and free()
6//
7//=================================================================
8//####ECOSGPLCOPYRIGHTBEGIN####
9// -------------------------------------------
10// This file is part of eCos, the Embedded Configurable Operating System.
11// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
12//
13// eCos is free software; you can redistribute it and/or modify it under
14// the terms of the GNU General Public License as published by the Free
15// Software Foundation; either version 2 or (at your option) any later version.
16//
17// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
18// WARRANTY; without even the implied warranty of MERCHANTABILITY or
19// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
20// for more details.
21//
22// You should have received a copy of the GNU General Public License along
23// with eCos; if not, write to the Free Software Foundation, Inc.,
24// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
25//
26// As a special exception, if other files instantiate templates or use macros
27// or inline functions from this file, or you compile this file and link it
28// with other works to produce a work based on this file, this file does not
29// by itself cause the resulting work to be covered by the GNU General Public
30// License. However the source code for this file must still be made available
31// in accordance with section (3) of the GNU General Public License.
32//
33// This exception does not invalidate any other reasons why a work based on
34// this file might be covered by the GNU General Public License.
35//
36// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
37// at http://sources.redhat.com/ecos/ecos-license/
38// -------------------------------------------
39//####ECOSGPLCOPYRIGHTEND####
40//=================================================================
41//#####DESCRIPTIONBEGIN####
42//
43// Author(s):     jlarmour
44// Contributors: 
45// Date:          2000-04-30
46// Description:   Contains testcode for C library malloc(), calloc() and
47//                free() functions
48//
49//
50//####DESCRIPTIONEND####
51
52// INCLUDES
53
54#include <pkgconf/system.h>    // Overall system configuration
55#include <pkgconf/memalloc.h>  // config header
56#ifdef CYGPKG_ISOINFRA
57# include <pkgconf/isoinfra.h>
58# include <stdlib.h>
59#endif
60#include <cyg/infra/testcase.h>
61
62#if !defined(CYGPKG_ISOINFRA)
63# define NA_MSG "Requires isoinfra package"
64#elif !CYGINT_ISO_MAIN_STARTUP
65# define NA_MSG "Requires main() to be called"
66#elif !CYGINT_ISO_MALLOC
67# define NA_MSG "Requires malloc"
68#elif !CYGINT_ISO_MALLINFO
69# define NA_MSG "Requires mallinfo"
70#endif
71
72#ifdef NA_MSG
73void
74cyg_start(void)
75{
76    CYG_TEST_INIT();
77    CYG_TEST_NA( NA_MSG );
78    CYG_TEST_FINISH("Done");
79}
80#else
81
82// FUNCTIONS
83
84extern int
85cyg_memalloc_maxalloc( void );
86
87static int
88fill_with_data( char *buf, int size )
89{
90    int i;
91
92    for (i=0; i < size; i++)
93        buf[i] = 'f';
94
95    for (i=0; i < size; i++)
96        if (buf[i] != 'f') {
97            CYG_TEST_FAIL( "data written to buffer does not compare "
98                           "correctly! #1" );
99            return 0;
100        } // if
101
102
103    for (i=0; i < size; i++)
104        buf[i] = 'z';
105
106    for (i=0; i < size; i++)
107        if (buf[i] != 'z') {
108            CYG_TEST_FAIL( "data written to buffer does not compare "
109                           "correctly! #2" );
110            return 0;
111        } // if
112
113    return 1;
114} // fill_with_data()
115
116int
117main( int argc, char *argv[] )
118{
119    char *str;
120    int size;
121    int poolmax;
122
123    CYG_TEST_INIT();
124
125    CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C library "
126                  "malloc() and free() functions");
127    CYG_TEST_INFO("This checks allocation and freeing of large regions");
128
129    poolmax = mallinfo().maxfree;
130   
131    if ( poolmax <= 0 ) {
132        CYG_TEST_FAIL_FINISH( "Can't determine allocation size to use" );
133    }
134
135    size = poolmax/2;
136
137    // Don't allocate all the memory at once - leave room for any structures
138    // used to manage the memory
139    str = (char *)malloc( size );
140    CYG_TEST_PASS_FAIL( str != NULL, "allocation 1");
141    CYG_TEST_PASS_FAIL( fill_with_data( str, size ), "allocation 1 usability");
142    free( str );
143
144
145    str = (char *)malloc( size );
146    CYG_TEST_PASS_FAIL( str != NULL, "allocation 2");
147    CYG_TEST_PASS_FAIL( fill_with_data( str, size ), "allocation 2 usability");
148    free( str );
149
150    str = (char *)malloc( size );
151    CYG_TEST_PASS_FAIL( str != NULL, "allocation 3");
152    CYG_TEST_PASS_FAIL( fill_with_data( str, size ), "allocation 3 usability");
153    free( str );
154
155    str = (char *)malloc( size );
156    CYG_TEST_PASS_FAIL( str != NULL, "allocation 4");
157    CYG_TEST_PASS_FAIL( fill_with_data( str, size ), "allocation 4 usability");
158    free( str );
159
160    str = (char *)malloc( size );
161    CYG_TEST_PASS_FAIL( str != NULL, "allocation 5");
162    CYG_TEST_PASS_FAIL( fill_with_data( str, size ), "allocation 5 usability");
163    free( str );
164
165    str = (char *)malloc( size );
166    CYG_TEST_PASS_FAIL( str != NULL, "allocation 6");
167    CYG_TEST_PASS_FAIL( fill_with_data( str, size ), "allocation 6 usability");
168    free( str );
169
170    str = (char *)malloc( size );
171    CYG_TEST_PASS_FAIL( str != NULL, "allocation 7");
172    CYG_TEST_PASS_FAIL( fill_with_data( str, size ), "allocation 7 usability");
173    free( str );
174
175    str = (char *)malloc( size );
176    CYG_TEST_PASS_FAIL( str != NULL, "allocation 8");
177    CYG_TEST_PASS_FAIL( fill_with_data( str, size ), "allocation 8 usability");
178    free( str );
179
180    str = (char *)malloc( size );
181    CYG_TEST_PASS_FAIL( str != NULL, "allocation 9");
182    CYG_TEST_PASS_FAIL( fill_with_data( str, size ), "allocation 9 usability");
183    free( str );
184
185    str = (char *)malloc( size );
186    CYG_TEST_PASS_FAIL( str != NULL, "allocation 10");
187    CYG_TEST_PASS_FAIL( fill_with_data( str, size ),"allocation 10 usability");
188    free( str );
189
190    CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C library "
191                    "malloc() and free() functions");
192
193    return 0;
194} // main()
195
196#endif // ifndef NA_MSG
197
198// EOF malloc3.c
Note: See TracBrowser for help on using the repository browser.