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/* Test basic c functionality.  */

#define DEBUG 0 

#define DBGFINE 0

#include "support.h"

signed long test_cond(int i)

{

        switch(i) {

                case 1:

                        i += 1;

                        break;

                case -1:

                        i -= 10;

                        break;

                default:

                        return i;

        }

        if (i == 2)             /* normaly i == 2 */

                i += 1;

        else

                i -= 10;

        if (i > 2)              /* normaly i == 3 */

                i += 1;

        else

                i -=10;

        if (i >= 4)             /* normaly i == 4 */

                i += 1;

        else

                i -= 10;

        if (i <= 5)             /* normaly i == 5 */

                i += 1;

        else

                i -= 10;

        if (i < 7)              /* normaly i == 6 */

                i += 1;

        else

                i -= 10;

        if (i != 666)           /* normaly i == 7 */

                i += 1;

        else

                i -= 10;

        return i;               /* with initial i == 1 return 8 */

}

signed long test_loops(int i)

{

        int j = 0;

        for(; i < 10; i++)

                j += 2;

        do {

                i -= 3;

        } while (j--);

        return i;

}

signed long test_arith(int i)

{

        int mul = 0, div = 0;

        int j;

        for(j = i; j < 40; j++) {

                mul += j*j*i;

#if 0

                report(mul);

#endif

                div += mul / (j+5);

#if 0

                report(div);

#endif

        }

        report (mul+div);

        return (mul + div);

}

signed long test_bitop(int i)

{

        int shl = 0, shr = 0, bit = 0;

        int j;

        for(j = i; j < 35; j++) {

                shl += 1 << j;

#if 0

                printf("%u. shl:%.8lx", j, shl);

                report(shl);

#endif

                shr += 0x80000000 >> j;

#if 0

                printf("  shr:%.8lx", shr);

                report(shr);

#endif

                bit += ((~j ^ 0x11223344) & 0x33557788) + (j | 0x11223344);

#if 0

                printf("  bit:%.8lx\n", bit);

                report(bit);

#endif

        }

        return (shl + shr + bit);

}

signed long test_types(int i)

{

        unsigned char uc;

        signed char sc;

        unsigned short us;

        signed short ss;

        unsigned long ul;

        signed long sl;

        int j;

        i ^= 0x10203040;

        for(j = 0; j < 10; j++) {

                uc = i;

                sc = i;

                us = i;

                ss = i;

                ul = i;

                sl = i;

#if 0

                printf("%u. i:%.8lx ", j, i);

                printf("uc:%.8lx sc:%.8lx ", uc, sc);

                report(uc);

                report(sc);

                printf("us:%.8lx ss:%.8lx ", us, ss);

                report(us);

                report(ss);

                printf("ul:%.8lx sl:%.8lx\n", ul, sl);

                report(ul);

                report(sl);

#endif

                i = uc + sc + us + ss + ul + sl;

        }

        return i;

}

signed long test_array(int i)

{

        char a1[] = "This test string MUST NOT be modified...";

        char a2[100];

        report(a1[5]);

        memcpy(a2, a1, 40);

        report(a1[5]);

        report(a2[5]);

        report(i);

        /* register reload test */

        i += a2[0] + a2[1] + a2[2] + a2[3] + a2[4] + a2[5] + a2[6] + a2[7]

           + a2[8] + a2[9] + a2[10] + a2[11] + a2[12] + a2[13] + a2[14] + a2[15]

           + a2[16] + a2[17] + a2[18] + a2[19] + a2[20] + a2[21] + a2[22] + a2[23]

           + a2[24] + a2[25] + a2[26] + a2[27] + a2[28] + a2[29] + a2[30] + a2[31]

           + a2[32] + a2[33] + a2[34] + a2[35] + a2[36] + a2[37] + a2[38] + a2[39];

        report(i);

        return i;

}

int main()

{

        signed long result1 = 0;

        signed long result2 = 0;

        signed long result3 = 0;

#if DEBUG

        printf("Start...\n");

#endif

        result1 = test_cond(1);

        result2 = test_cond(-1);

        result3 -= result1 + result2;

        report(result2);

#if DEBUG

        printf("After test_cond:   0x%.8lx  0x%.8lx\n", result1, result2);

#endif

        result1 = test_loops(1);

        result2 = test_loops(-1);

        result3 -= result1 + result2;

        report(result2);

#if DEBUG

        printf("After test_loops:  0x%.8lx  0x%.8lx\n", result1, result2);

#endif

        result1 = test_arith(1);

        result2 = test_arith(-1);

        result3 -= result1 + result2;

        report(result2);

#if DEBUG

        printf("After test_arith:  0x%.8lx  0x%.8lx\n", result1, result2);

#endif

        result1 = test_bitop(1);

        result2 = test_bitop(-1);

        result3 -= result1 + result2;

        report(result2);

#if DEBUG

        printf("After test_bitop:  0x%.8lx  0x%.8lx\n", result1, result2);

#endif

        result1 = test_types(1);

        result2 = test_types(-1);

        result3 -= result1 + result2;

        report(result2);

#if DEBUG

        printf("After test_types:  0x%.8lx  0x%.8lx\n", result1, result2);

#endif

        result1 = test_array(1);

        result2 = test_array(-1);

        result3 -= result1 + result2;

        report(result2);

#if DEBUG

        printf("After test_array:  0x%.8lx  0x%.8lx\n", result1, result2);

#endif

        printf("RESULT: %.8lx\n", result3 ^ 0x4bad2569 ^ 0xdeaddead);

        report(result3 ^ 0x4bad2569 ^ 0xdeaddead);

        exit(0);

}