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

//

//        sscanf.c

//

//        Testcase for C library sscanf()

//

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

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

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

//

// Author(s):     ctarpy, jlarmour

// Contributors:  

// Date:          2000-04-20

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

//

//

//####DESCRIPTIONEND####

// CONFIGURATION

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

// INCLUDES

#include <stdio.h>

#include <cyg/infra/testcase.h>

// HOW TO START TESTS

#if defined(CYGFUN_LIBC_STDIO_ungetc)

# define START_TEST( test ) test(0)

#else

# define START_TEST( test ) CYG_EMPTY_STATEMENT

#endif

// FUNCTIONS

#if defined(CYGFUN_LIBC_STDIO_ungetc)

// Functions to avoid having to use libc strings

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()

static void

test( CYG_ADDRWORD data )

{

    static char x[300];

    static char y[300];

    char z[20];

    int ret;

    int int_test, int_test2, int_test3, int_test4;

    // Check 1

    my_strcpy(x, "20");

    ret = sscanf(x, "%d", &int_test);

    CYG_TEST_PASS_FAIL(int_test==20, "%d test");

    CYG_TEST_PASS_FAIL(ret == 1, "%d test return code");

    // Check 2

    my_strcpy(y, "PigsNoses");

    ret = sscanf(y, "%s", x);

    CYG_TEST_PASS_FAIL(my_strcmp(x, y)==0, "%s test");

    CYG_TEST_PASS_FAIL(ret == 1, "%s test return code");

    // Check 3

    my_strcpy(x, "FE8C");

    ret = sscanf(x, "%X", &int_test);

    CYG_TEST_PASS_FAIL(int_test == 65164, "hex read leading zeroes");

    CYG_TEST_PASS_FAIL(ret == 1, "hex read leading zeroes return code");

    // Check 4

    my_strcpy(x, "000053Ba");

    ret = sscanf(x, "%x", &int_test);

    CYG_TEST_PASS_FAIL(int_test == 21434, "hex read leading zeroes");

    CYG_TEST_PASS_FAIL(ret == 1, "hex read leading zeros return code");

    // Check 5

    my_strcpy(x, "53Ba");

    ret = sscanf(x, "%3x", &int_test);

    CYG_TEST_PASS_FAIL(int_test == 1339, "hex read constrained width");

    CYG_TEST_PASS_FAIL(ret == 1, "hex read constrained width return code");

    // Check 6

    my_strcpy(x, "get the first char test");

    ret = sscanf(x, "%c", &y[0]);

    CYG_TEST_PASS_FAIL(y[0] == 'g', "%c test");

    CYG_TEST_PASS_FAIL(ret == 1, "%c test return code");

    // Check 7

    my_strcpy(x, "-5");

    ret = sscanf(x, "%d", &int_test);

    CYG_TEST_PASS_FAIL(int_test == -5, "negative integer");

    CYG_TEST_PASS_FAIL(ret == 1, "negative integer return code");

    // Check 8

    my_strcpy(x, "53");

    ret = sscanf(x, "%o", &int_test);

    CYG_TEST_PASS_FAIL(int_test == 43, "%o test");

    CYG_TEST_PASS_FAIL(ret == 1, "%o test return code");

    // Check 9

    int_test=10;

    my_strcpy(x, "-5 0");

    ret = sscanf(x, "%*d %d", &int_test);

    CYG_TEST_PASS_FAIL(int_test == 0, "assignment suppression");

    CYG_TEST_PASS_FAIL(ret == 1, "assignment suppression return code");

    // Check 10

    int_test=0;

    my_strcpy(x, "052");

    ret = sscanf(x, "%i", &int_test);

    CYG_TEST_PASS_FAIL(int_test == 42, "octal with %i");

    CYG_TEST_PASS_FAIL(ret == 1, "octal with %i return code");

    // Check 10

    int_test=0;

    my_strcpy(x, "0x05f");

    ret = sscanf(x, "%i", &int_test);

    CYG_TEST_PASS_FAIL(int_test == 95, "hex with %i");

    CYG_TEST_PASS_FAIL(ret == 1, "hex with %i return code");

    // Check 11

    int_test=0;

    my_strcpy(x, "+023456");

    ret = sscanf(x, "%u", &int_test);

    CYG_TEST_PASS_FAIL(int_test == 23456, "unsigned int with %u");

    CYG_TEST_PASS_FAIL(ret == 1, "unsigned int with %u return code");

    // Check 12

    my_strcpy(x, "aString 2747 D");

    ret = sscanf(x, "%s %d %c", y, &int_test, z);

    CYG_TEST_PASS_FAIL(  (my_strcmp(y, "aString")==0) &&

                     (int_test == 2747) &&

                     (z[0] == 'D'), "A few combinations #1");

    CYG_TEST_PASS_FAIL(ret == 3, "Combinations #1 return code");

    // Check 13

    my_strcpy(x, "-6 52 awurble 2747 xxx");

    ret = sscanf(x, "%d %u %s %2d %n %c",

                 &int_test, &int_test2, y, &int_test3, &int_test4, z);

    CYG_TEST_PASS_FAIL(  (int_test == -6) && (int_test2 == 52) &&

                         (my_strcmp(y, "awurble")==0) &&

                         (int_test3 == 27) &&

                         (int_test4 == 16) &&

                         (z[0] == '4'), "A few combinations #2");

    CYG_TEST_PASS_FAIL(ret == 5, "Combinations #2 return code");

#ifdef CYGSEM_LIBC_STDIO_SCANF_FLOATING_POINT

// How much _relative_ error do we allow?

#define FLT_TOLERANCE 1.0e-3

#define MY_FABS(x) ((x) < 0.0 ? -(x) : (x))

    CYG_TEST_INFO("Starting floating point specific tests");

    {

        float flt_test, wanted;

        // Check 14

        my_strcpy(x, "2.5");

        wanted = 2.5;

        ret = sscanf(x, "%f", &flt_test);

        CYG_TEST_PASS_FAIL( MY_FABS(flt_test - wanted) <

                            MY_FABS(wanted * FLT_TOLERANCE),

                            "Simple %f test #1" );

        CYG_TEST_PASS_FAIL( ret == 1, "Simple %f test #1 return code" );

        // Check 15

        my_strcpy(x, "-23.472345");

        wanted = -23.472345;

        ret = sscanf(x, "%f", &flt_test);

        CYG_TEST_PASS_FAIL( MY_FABS(flt_test - wanted) <

                            MY_FABS(wanted * FLT_TOLERANCE),

                            "Simple %f test #2" );

        CYG_TEST_PASS_FAIL( ret == 1, "Simple %f test #2 return code" );

        // Check 16

        my_strcpy(x, "0.0");

        ret = sscanf(x, "%f", &flt_test);

        CYG_TEST_PASS_FAIL( flt_test==0.0, "Simple %f test 0.0" );

        CYG_TEST_PASS_FAIL( ret == 1, "Simple %f test 0.0 return code" );

        // Check 17

        my_strcpy(x, "-2.6334e00");

        wanted = -2.6334;

        ret = sscanf(x, "%e", &flt_test);

        CYG_TEST_PASS_FAIL( MY_FABS(flt_test - wanted) <

                            MY_FABS(wanted * FLT_TOLERANCE),

                            "Simple %e test #1" );

        CYG_TEST_PASS_FAIL( ret == 1, "Simple %e test #1 return code" );

        // Check 18

        my_strcpy(x, "-2.56789e-06");

        wanted = -2.56789e-06;

        ret = sscanf(x, "%e", &flt_test);

        CYG_TEST_PASS_FAIL( MY_FABS(flt_test-wanted) <

                            MY_FABS(wanted * FLT_TOLERANCE),

                            "Simple %e test #2" );

        CYG_TEST_PASS_FAIL( ret == 1, "Simple %e test #2 return code" );

        // Check 19

        my_strcpy(x, "-2.12389e-06");

        wanted = -2.12389e-06;

        ret = sscanf(x, "%g", &flt_test);

        CYG_TEST_PASS_FAIL( MY_FABS(flt_test-wanted) <

                            MY_FABS(wanted * FLT_TOLERANCE),

                            "Simple %g test #1" );

        CYG_TEST_PASS_FAIL( ret == 1, "Simple %g test #1 return code" );

        // Check 20

        my_strcpy(x, "1.3423345");

        wanted = 1.342335;

        ret = sscanf(x, "%g", &flt_test);

        CYG_TEST_PASS_FAIL( MY_FABS(flt_test-wanted) <

                            MY_FABS(wanted * FLT_TOLERANCE),

                            "Simple %g test #2" );

        CYG_TEST_PASS_FAIL( ret == 1, "Simple %g test #2 return code" );

    } // compound 

#else

    CYG_TEST_PASS("Floating point tests skipped - not configured");

#endif // ifdef CYGSEM_LIBC_STDIO_SCANF_FLOATING_POINT

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

                    "sscanf() function");

} // test()

#endif // defined(CYGFUN_LIBC_STDIO_ungetc)

int

main(int argc, char *argv[])

{

    CYG_TEST_INIT();

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

                  "sscanf() function");

    START_TEST( test );

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

} // main()

// EOF sscanf.c