diff packages/language/c/libc/string/current/tests/memmove1.c @ 115:6ed91473a1cd ecos-sw-2000-08-21

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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+//=================================================================
+//
+//        memmove1.c
+//
+//        Testcase for C library memmove()
+//
+//=================================================================
+//####COPYRIGHTBEGIN####
+//                                                                          
+// -------------------------------------------                              
+// The contents of this file are subject to the Red Hat eCos Public License 
+// Version 1.1 (the "License"); you may not use this file except in         
+// compliance with the License.  You may obtain a copy of the License at    
+// http://www.redhat.com/                                                   
+//                                                                          
+// 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 Configurable Operating System,      
+// released September 30, 1998.                                             
+//                                                                          
+// The Initial Developer of the Original Code is Red Hat.                   
+// Portions created by Red Hat are                                          
+// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.                             
+// All Rights Reserved.                                                     
+// -------------------------------------------                              
+//                                                                          
+//####COPYRIGHTEND####
+//=================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):     ctarpy, jlarmour
+// Contributors:  
+// Date:          2000-04-30
+// Description:   Contains testcode for C library memmove() function
+//
+//
+//####DESCRIPTIONEND####
+
+// INCLUDES
+
+#include <string.h>
+#include <cyg/infra/testcase.h>
+
+// FUNCTIONS
+
+// Functions to avoid having to use libc strings
+
+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()
+
+int main( int argc, char *argv[] )
+{
+    char x[300];
+    char y[300];
+    void *ret, *ptr1, *ptr2;
+    char *c_ret;
+
+    CYG_TEST_INIT();
+
+    CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C library "
+                  "memmove() function");
+    CYG_TEST_INFO("This testcase provides simple basic tests");
+
+    // Check 1
+    ptr1 = x; 
+    ptr2 = y;
+    my_strcpy(x, "Great shot kid! That was one in a million!");
+    ret = memmove(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 = memmove(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 = memmove(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");
+
+    // Check 4
+    ptr1 = &x[0];
+    ptr2 = &x[1];
+    my_strcpy(x, "abcd");
+    ret = memmove(ptr1, ptr2, 4);
+    c_ret = ret;
+    if ( (c_ret==x) && (my_strcmp(x, "bcd")==0) )
+        CYG_TEST_PASS("Overlapping copy #1 worked");
+    else
+        CYG_TEST_FAIL("Overlapping copy #1 worked");
+
+    // Check 5
+    ptr1 = &x[0];
+    ptr2 = &x[4];
+    my_strcpy(x, "abcdefghijk");
+    ret = memmove(ptr1, ptr2, 6);
+    c_ret = ret;
+    if ( (c_ret==x) && (my_strcmp(x, "efghijghijk")==0) )
+        CYG_TEST_PASS("Overlapping copy #2 worked");
+    else
+        CYG_TEST_FAIL("Overlapping copy #2 worked");
+
+//    CYG_TEST_NA("Testing is not applicable to this configuration");
+
+    CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C library "
+                    "memmove() function");
+} // main()
+
+
+// EOF memmove1.c