//=================================================================
//
//        strstr.c
//
//        Testcase for C library strstr()
//
//=================================================================
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//=================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):     ctarpy, jlarmour
// Contributors:  
// Date:          2000-04-30
// Description:   Contains testcode for C library strstr() function
//
//
//####DESCRIPTIONEND####

// INCLUDES

#include <pkgconf/isoinfra.h>
#include <string.h>
#include <cyg/infra/testcase.h>

// FUNCTIONS

// Functions to avoid having to use libc strings


static char *my_strcpy(char *s1, const char *s2)
{
    while (*s2 != '\0') {
        *(s1++) = *(s2++);
    }
    *s1 = '\0';

    return s1; 
} // my_strcpy()


#if CYGINT_ISO_MAIN_STARTUP
int main( int argc, char *argv[] )
#else
void cyg_user_start(void)
#endif
{
    char x[300];
    char y[300];
    char *ret;

    CYG_TEST_INIT();

    CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C library "
                  "strstr() function");
    CYG_TEST_INFO("This testcase provides simple basic tests");

    // Check 1
    my_strcpy(x, "I will not have my fwends widiculed by the common soldiewy");
    my_strcpy(y, "fwends");
    ret = strstr(x, y);
    CYG_TEST_PASS_FAIL( (ret == &x[19]), "Simple strstr()" );


    // Check 2 (boundary condition)
    my_strcpy(x, "Not bad for a little fur ball. You! Stay here.");
    my_strcpy(y, "ball ");
    ret = strstr(x, y);
    CYG_TEST_PASS_FAIL( (ret == NULL), "String to search for not present" );


    // Check 3 (boundary condition)
    my_strcpy(x, "");
    my_strcpy(y, "zx");
    ret = strstr(x, y);
    CYG_TEST_PASS_FAIL( (ret == NULL), "Empty string to search" );


    // Check 4 (boundary condition)
    my_strcpy(x, "fdafdafdfahjgf");
    my_strcpy(y, "");
    ret = strstr(x, y);
    CYG_TEST_PASS_FAIL( (ret == x), "Empty search string" );

    // Check 5 (boundary condition)
    my_strcpy(x, "");
    my_strcpy(y, "");
    ret = strstr(x, y);
    CYG_TEST_PASS_FAIL( (ret == x), "Both strings empty" );

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

    CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C library "
                    "strstr() function");

} // main()

// EOF strstr.c
