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

// INCLUDES

#include <pkgconf/system.h>
#include <stdlib.h>
#include <errno.h>
#include <limits.h>
#include <cyg/infra/testcase.h>


// FUNCTIONS

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 )
{
    char x[30];
    unsigned long z;
    char *endptr;

    my_strcpy(x, "20");
    CYG_TEST_PASS_FAIL( strtoul(x, (char**)NULL, 10) == 20,
                        "Simple strtoul(20 ,...)" );

    my_strcpy(x, "1972100");
    CYG_TEST_PASS_FAIL( strtoul(x, (char**)NULL, 10) == 1972100,
                        "Simple strtoul(1972100, ..." );

    my_strcpy(x, "0xFFEE");
    z = strtoul(x, (char**)NULL, 16);
    CYG_TEST_PASS_FAIL(z == 65518, "Hex base strtoul()");

    my_strcpy(x, "100111011");
    z = strtoul(x, (char**)NULL, 2);
    CYG_TEST_PASS_FAIL(z == 315, "Binary base strtoul()");

    my_strcpy(x, "10372");
    z = strtoul(x, (char**)NULL, 8);
    CYG_TEST_PASS_FAIL(z == 4346, "Octal base strtoul()" );

    my_strcpy(x, "317823");
    z = strtoul(x, (char**)NULL, 8);
    CYG_TEST_PASS_FAIL(z == 207, "Partial string" );

    my_strcpy(x, " 53ab823");
    z = strtoul(x, &endptr, 10);
    CYG_TEST_PASS_FAIL( (z == 53) && (endptr==&x[3]), "Correct end pointer" );

    my_strcpy(x, "-479");
    z = strtoul(x, (char**)NULL, 0);
    CYG_TEST_PASS_FAIL( (z == (unsigned long) -479),
                        "Negative string");

    my_strcpy(x, "+4796");
    z = strtoul(x, (char**)NULL, 10);
    CYG_TEST_PASS_FAIL(z == 4796, "Positive string");

    my_strcpy(x, "");
    z = strtoul(x, (char**)NULL, 10);
    CYG_TEST_PASS_FAIL(z == 0, "Empty string");

    my_strcpy(x, "");
    z = strtoul(x, &endptr, 10);
    CYG_TEST_PASS_FAIL( (z == 0) && (endptr==x),
                        "Empty string sets endptr correctly");

    my_strcpy(x, "    ");
    z = strtoul(x, &endptr, 10);
    CYG_TEST_PASS_FAIL( (z == 0) && (endptr==x),
                        "White space only string sets endptr correctly");

    my_strcpy(x, "0XFFEE");
    z = strtoul(x, (char**)NULL, 0);
    CYG_TEST_PASS_FAIL(z == 65518, "Base 0 but hex");

    my_strcpy(x, "\t    0629");
    z = strtoul(x, (char**)NULL, 0);
    CYG_TEST_PASS_FAIL(z == 50, "Base 0 but octal");

    my_strcpy(x, "42");
    z = strtoul(x, (char**)NULL, 0);
    CYG_TEST_PASS_FAIL(z == 42, "Base 0 but decimal");

    my_strcpy(x, "hello");
    z = strtoul(x, &endptr, 0);
    CYG_TEST_PASS_FAIL((z == 0) && (endptr==x),
                       "endptr set correctly on conversion failure");

    my_strcpy(x, "z2f");
    z = strtoul(x, (char**)NULL, 36);
    CYG_TEST_PASS_FAIL(z == 45447, "Base==36");

    my_strcpy(x, "h547324");
    z = strtoul(x, (char**)NULL, 10);
    CYG_TEST_PASS_FAIL(z == 0, "No valid number string");

    my_strcpy(x, "545425876654547324");
    z = strtoul(x, (char**)NULL, 10);
    CYG_TEST_PASS_FAIL( (z == ULONG_MAX) && (errno == ERANGE),
                        "Number out of range");

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

#ifndef CYGPKG_LIBC_STARTUP
void cyg_user_start(void)
#else
int
main( int argc, char *argv[] )
#endif
{
    CYG_TEST_INIT();

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

    test(0);

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

// EOF strtoul.c