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//=================================================================

//

//        strxfrm1.c

//

//        Testcase for C library strxfrm()

//

//=================================================================

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//=================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):     ctarpy, jlarmour

// Contributors:  

// Date:          2000-04-30

// Description:   Contains testcode for C library strxfrm() function

//

//

//####DESCRIPTIONEND####

// CONFIGURATION

#include <pkgconf/system.h>

#include <pkgconf/libc_string.h>   // Configuration header

// 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];

    int  ret;

    CYG_TEST_INIT();

    CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C library "

                  "strxfrm() function");

    CYG_TEST_INFO("This testcase provides simple basic tests");

    // Check 1

    my_strcpy(x, "Nine rings for men doomed to die");

    ret = strxfrm(y, x, my_strlen(x)+1);

    if (my_strcmp(x, y) == 0)

        CYG_TEST_PASS("Simple strxfrm()");

    else

        CYG_TEST_FAIL("Simple strxfrm()");

    // Check return value

    CYG_TEST_PASS_FAIL( (my_strlen(x) == ret),

                        "Simple strxfrm() return value");

    // Check 2

    x[0] = '\0';

    my_strcpy(y, "Seven rings for the dwarves in their halls of stone");

    ret = strxfrm(y, x, my_strlen(x)+1);

    if (my_strcmp(y, "") == 0)

        CYG_TEST_PASS("strxfrm() of empty string");

    else

        CYG_TEST_FAIL("strxfrm() of empty string");

    // Check return value

    CYG_TEST_PASS_FAIL( (my_strlen(x) == ret),

                        "strxfrm() of empty string return value");

    // Check 3

    my_strcpy(y, "Seven rings for the dwarves in their halls of stone");

    ret = strxfrm(NULL, y, 0);

    // Check return value

    CYG_TEST_PASS_FAIL( (my_strlen(y) == ret),

                        "strxfrm() of NULL string for 0 bytes return value");

//    CYG_TEST_NA("Testing is not applicable to this configuration");

    CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C library "

                    "strxfrm() function");

} // main()

// EOF strxfrm1.c