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//=================================================================
//
//        memcmp1.c
//
//        Testcase for C library memcmp()
//
//=================================================================
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//=================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):     ctarpy, jlarmour
// Contributors:  
// Date:          2000-04-30
// Description:   Contains testcode for C library memcmp() 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 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];
 
    CYG_TEST_INIT();
 
    CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C library "
                  "memcmp() function");
    CYG_TEST_INFO("This testcase provides simple basic tests");
 
    // Check 1
    my_strcpy(x, "I have become, comfortably numb");
    my_strcpy(y, "I have become, comfortably numb");
    CYG_TEST_PASS_FAIL( (memcmp(x, y, my_strlen(x)) == 0), "Simple compare");
 
 
    // Check 2
    my_strcpy(x, "");
    my_strcpy(y, "");
    CYG_TEST_PASS_FAIL( (memcmp(x, y, 0) == 0), "Simple empty string compare");
 
 
    // Check 3
    my_strcpy(x, "..shall snuff it. And the Lord did grin");
    my_strcpy(y, "..shall snuff it. And the Lord did grio");
    CYG_TEST_PASS_FAIL( (memcmp(x, y, my_strlen(x)) < 0),
                        "Memory less than #1" );
 
 
    // Check 4
    my_strcpy(x, "A reading from the Book of Armaments, Chapter 4, "
                  "Verses 16 to 20:");
    my_strcpy(y, "Bless this, O Lord, that with it thou mayst blow thine "
                 "enemies to tiny bits, in thy mercy.");
    CYG_TEST_PASS_FAIL( (memcmp(x, y, my_strlen(x)) < 0),
                        "Memory less than #2");
 
    // Check 5
    my_strcpy(x, "Lobeth this thy holy hand grenade at thy foe");
    my_strcpy(y, "Lobeth this thy holy hand grenade at thy fod");
    CYG_TEST_PASS_FAIL( (memcmp(x, y, my_strlen(x)) > 0),
                        "Memory greater than #1" );
 
 
    // Check 6
    my_strcpy(y, "Three shall be the number of the counting and the");
    my_strcpy(x, "number of the counting shall be three");
    CYG_TEST_PASS_FAIL( (memcmp(x, y, my_strlen(x)) > 0),
                        "Memory greater than #2" );
 
//    CYG_TEST_NA("Testing is not applicable to this configuration");
 
    CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C library "
                    "memcmp() function");
} // main()
 
 
 
// EOF memcmp1.c