source: trunk/third/sendmail/libsm/t-exc.c @ 19204

/*
 * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers.
 *      All rights reserved.
 *
 * By using this file, you agree to the terms and conditions set
 * forth in the LICENSE file which can be found at the top level of
 * the sendmail distribution.
 */

#include <sm/gen.h>
SM_IDSTR(id, "@(#)$Id: t-exc.c,v 1.1.1.1 2003-04-08 15:06:05 zacheiss Exp $")

#include <string.h>
#include <sm/heap.h>
#include <sm/io.h>
#include <sm/test.h>

const SM_EXC_TYPE_T EtypeTest1 =
{
        SmExcTypeMagic,
        "E:test1",
        "i",
        sm_etype_printf,
        "test1 exception argv[0]=%0",
};

const SM_EXC_TYPE_T EtypeTest2 =
{
        SmExcTypeMagic,
        "E:test2",
        "i",
        sm_etype_printf,
        "test2 exception argv[0]=%0",
};

int
main(argc, argv)
        int argc;
        char **argv;
{
        void *p;
        int volatile x;
        char *unknown, *cant;

        sm_test_begin(argc, argv, "test exception handling");

        /*
        **  SM_TRY
        */

        cant = "can't happen";
        x = 0;
        SM_TRY
                x = 1;
        SM_END_TRY
        SM_TEST(x == 1);

        /*
        **  SM_FINALLY-0
        */

        x = 0;
        SM_TRY
                x = 1;
        SM_FINALLY
                x = 2;
        SM_END_TRY
        SM_TEST(x == 2);

        /*
        **  SM_FINALLY-1
        */

        x = 0;
        SM_TRY
                SM_TRY
                        x = 1;
                        sm_exc_raisenew_x(&EtypeTest1, 17);
                SM_FINALLY
                        x = 2;
                        sm_exc_raisenew_x(&EtypeTest2, 42);
                SM_END_TRY
        SM_EXCEPT(exc, "E:test2")
                (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
                         "got exception test2: can't happen\n");
        SM_EXCEPT(exc, "E:test1")
                SM_TEST(x == 2 && exc->exc_argv[0].v_int == 17);
                if (!(x == 2 && exc->exc_argv[0].v_int == 17))
                {
                        (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
                                "can't happen: x=%d argv[0]=%d\n",
                                x, exc->exc_argv[0].v_int);
                }
        SM_EXCEPT(exc, "*")
        {
                unknown = "unknown exception: ";
                SM_TEST(strcmp(unknown, cant) == 0);
        }
        SM_END_TRY

        x = 3;
        SM_TRY
                x = 4;
                sm_exc_raisenew_x(&EtypeTest1, 94);
        SM_FINALLY
                x = 5;
                sm_exc_raisenew_x(&EtypeTest2, 95);
        SM_EXCEPT(exc, "E:test2")
        {
                unknown = "got exception test2: ";
                SM_TEST(strcmp(unknown, cant) == 0);
        }
        SM_EXCEPT(exc, "E:test1")
                SM_TEST(x == 5 && exc->exc_argv[0].v_int == 94);
                if (!(x == 5 && exc->exc_argv[0].v_int == 94))
                {
                        (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
                                "can't happen: x=%d argv[0]=%d\n",
                                x, exc->exc_argv[0].v_int);
                }
        SM_EXCEPT(exc, "*")
        {
                unknown = "unknown exception: ";
                SM_TEST(strcmp(unknown, cant) == 0);
        }
        SM_END_TRY

        SM_TRY
                sm_exc_raisenew_x(&SmEtypeErr, "test %d", 0);
        SM_EXCEPT(exc, "*")
#if DEBUG
                (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
                        "test 0 got an exception, as expected:\n");
                sm_exc_print(exc, smioout);
#endif /* DEBUG */
                return sm_test_end();
        SM_END_TRY

        p = sm_malloc_x((size_t)(-1));
        (void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
                "sm_malloc_x unexpectedly succeeded, returning %p\n", p);
        unknown = "sm_malloc_x unexpectedly succeeded";
        SM_TEST(strcmp(unknown, cant) == 0);
        return sm_test_end();
}