strspn.c

ecos实时嵌入式操作系统

//=================================================================
//
//        strspn.c
//
//        Testcase for C library strspn()
//
//=================================================================
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
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// or inline functions from this file, or you compile this file and link it
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//####ECOSGPLCOPYRIGHTEND####
//=================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):     ctarpy, jlarmour
// Contributors:  
// Date:          2000-04-30
// Description:   Contains testcode for C library strspn() function
//
//
//####DESCRIPTIONEND####

// INCLUDES

#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()


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

    // Check 1
    my_strcpy(x, "ah blow my nose at you, so-called Arthur king!");
    my_strcpy(y, "wolbah ");
    ret = strspn(x, y);
    CYG_TEST_PASS_FAIL( (ret == 8), "Simple strspn() #1" );


    // Check 2
    my_strcpy(x, "Not bad for a little fur ball. You! Stay here.");
    my_strcpy(y, "litea rofdbN");
    ret = strspn(x, y);
    CYG_TEST_PASS_FAIL( (ret == 22), "Simple strspn() #2" );

    // Check 3
    my_strcpy(x, "Not bad for a little fur ball. You! Stay here.");
    my_strcpy(y, "litearofdbN");
    ret = strspn(x, y);
    CYG_TEST_PASS_FAIL( (ret == 3), "Simple strspn() #3");

    // Check 4 (boundary condition)
    my_strcpy(x, "Not bad for a little fur ball. You! Stay here.");
    my_strcpy(y, "litearofdb");
    ret = strspn(x, y);
    CYG_TEST_PASS_FAIL( (ret == 0), "First character not in string");

    
    // Check 5 (boundary condition)
    my_strcpy(x, "So, if she weighs the same as a duck, she's made of wood!");
    my_strcpy(y, "zx");
    ret = strspn(x, y);
    CYG_TEST_PASS_FAIL( (ret == 0), "No characters in string" );

    // Check 6 (boundary condition)
    my_strcpy(x, "");
    my_strcpy(y, "qwerty");
    ret = strspn(x, y);
    CYG_TEST_PASS_FAIL( (ret == 0), "Empty search string" );


    CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C library "
                    "strspn() function");
} // main()

// EOF strspn.c