diff packages/language/c/libc/current/tests/string/memcpy1.c @ 0:3111d98ba7b3 ecos-v1_1-release

Initial commit of eCos version 1.1
author jlarmour
date Tue, 11 May 1999 11:16:07 +0000
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children 443894e2e912
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+//=================================================================
+//
+//        memcpy1.c
+//
+//        Testcase for C library memcpy()
+//
+//=================================================================
+//####COPYRIGHTBEGIN####
+//
+// -------------------------------------------
+// The contents of this file are subject to the Cygnus eCos Public License
+// Version 1.0 (the "License"); you may not use this file except in
+// compliance with the License.  You may obtain a copy of the License at
+// http://sourceware.cygnus.com/ecos
+// 
+// Software distributed under the License is distributed on an "AS IS"
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the
+// License for the specific language governing rights and limitations under
+// the License.
+// 
+// The Original Code is eCos - Embedded Cygnus Operating System, released
+// September 30, 1998.
+// 
+// The Initial Developer of the Original Code is Cygnus.  Portions created
+// by Cygnus are Copyright (C) 1998 Cygnus Solutions.  All Rights Reserved.
+// -------------------------------------------
+//
+//####COPYRIGHTEND####
+//=================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):     ctarpy@cygnus.co.uk, jlarmour@cygnus.co.uk
+// Contributors:    jlarmour@cygnus.co.uk
+// Date:          1998/6/3
+// Description:   Contains testcode for C library memcpy() function
+//
+//
+//####DESCRIPTIONEND####
+
+// Declarations for test system:
+//
+// TESTCASE_TYPE=CYG_TEST_MODULE
+// COMPOUND_TESTCASE
+
+
+// CONFIGURATION
+
+#include <pkgconf/libc.h>   // Configuration header
+
+// INCLUDES
+
+#include <string.h>
+#include <cyg/infra/testcase.h>
+#include <sys/cstartup.h>          // C library initialisation
+
+
+// FUNCTIONS
+
+
+externC void
+cyg_package_start( void )
+{
+#ifdef CYGPKG_LIBC
+    cyg_iso_c_start();
+#else
+    (void)main(0, NULL);
+#endif
+} // cyg_package_start()
+
+
+
+// Functions to avoid having to use libc strings
+
+#ifdef CYGPKG_LIBC
+static int my_strlen(const char *s)
+{
+    const char *ptr;
+
+    ptr = s;
+    for ( ptr=s ; *ptr != '\0' ; ptr++ )
+        ;
+
+    return (int)(ptr-s);
+} // my_strlen()
+
+
+static int my_strcmp(const char *s1, const char *s2)
+{
+    for ( ; *s1 == *s2 ; s1++,s2++ )
+    {
+        if ( *s1 == '\0' )
+            break;
+    } // for
+
+    return (*s1 - *s2);
+} // my_strcmp()
+
+
+static char *my_strcpy(char *s1, const char *s2)
+{
+    while (*s2 != '\0') {
+        *(s1++) = *(s2++);
+    }
+    *s1 = '\0';
+
+    return s1; 
+} // my_strcpy()
+#endif // ifdef CYGPKG_LIBC
+
+
+int main( int argc, char *argv[] )
+{
+#ifdef CYGPKG_LIBC
+    char x[300];
+    char y[300];
+    void *ret, *ptr1, *ptr2;
+    char *c_ret;
+#endif
+
+    CYG_TEST_INIT();
+
+    CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C library "
+                  "memcpy() function");
+    CYG_TEST_INFO("This testcase provides simple basic tests");
+
+#ifdef CYGPKG_LIBC
+
+    // Check 1
+    ptr1 = x; 
+    ptr2 = y;
+    my_strcpy(x, "Great shot kid! That was one in a million!");
+    ret = memcpy(ptr2, ptr1, my_strlen(x) + 1);
+    CYG_TEST_PASS_FAIL( (my_strcmp(x, ptr2)==0), "Simple copy" );
+
+    // Check return value
+    CYG_TEST_PASS_FAIL( (my_strcmp(ret, ptr2)==0), "Simple copy return value");
+
+
+    // Check 2
+    ptr1 = x; 
+    ptr2 = y;
+    my_strcpy(x, "");
+    my_strcpy(y, "xxxx"); // Bogus val to get overwritten
+    ret = memcpy(ptr2, ptr1, 1);
+    c_ret = ret;
+    if ((*c_ret == '\0') && (y[0] == '\0') && (y[1] == 'x'))
+        CYG_TEST_PASS("Simple copy with boundary check worked");
+    else
+        CYG_TEST_FAIL("Simple copy with boundary check failed");
+
+    // Check 3
+    ptr1 = x; 
+    ptr2 = y;
+    my_strcpy(x, "xxxx");
+    my_strcpy(y, "yyyy");
+    ret = memcpy(ptr1, ptr2, 0);
+    c_ret = ret;
+    if ((*c_ret =='x') && (x[0] == 'x'))
+        CYG_TEST_PASS("Simple copy with size=0 worked");
+    else
+        CYG_TEST_FAIL("Simple copy with size=0 failed");
+
+#else // ifndef CYGPKG_LIBC
+    CYG_TEST_PASS("Testing is not applicable to this configuration");
+#endif // ifndef CYGPKG_LIBC
+
+    CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C library "
+                    "memcpy() function");
+} // main()
+
+
+// EOF memcpy1.c