tcctest.c

   1 /*
   2  * TCC auto test program
   3  */
   4 #include <tcclib.h>
   5
   6 /* Unfortunately, gcc version < 3 does not handle that! */
   7 //#define ALL_ISOC99
   8
   9 /* only gcc 3 handles _Bool correctly */
  10 //#define BOOL_ISOC99
  11
  12 #define C99_MACROS
  13
  14 void string_test();
  15 void expr_test();
  16 void macro_test();
  17 void scope_test();
  18 void forward_test();
  19 void funcptr_test();
  20 void loop_test();
  21 void switch_test();
  22 void goto_test();
  23 void enum_test();
  24 void typedef_test();
  25 void struct_test();
  26 void array_test();
  27 void expr_ptr_test();
  28 void bool_test();
  29 void expr2_test();
  30 void constant_expr_test();
  31 void expr_cmp_test();
  32 void char_short_test();
  33 void init_test(void);
  34 void compound_literal_test(void);
  35 int kr_test();
  36 void struct_assign_test(void);
  37 void cast_test(void);
  38 void bitfield_test(void);
  39 void c99_bool_test(void);
  40 void float_test(void);
  41 void longlong_test(void);
  42
  43 int fib(int n);
  44 void num(int n);
  45 void forward_ref(void);
  46 int isid(int c);
  47
  48 #define A 2
  49 #define N 1234 + A
  50 #define pf printf
  51 #define M1(a, b)  (a) + (b)
  52
  53 #define str(s) # s
  54 #define glue(a, b) a ## b
  55 #define xglue(a, b) glue(a, b)
  56 #define HIGHLOW "hello"
  57 #define LOW LOW ", world"
  58
  59 #define min(a, b) ((a) < (b) ? (a) : (b))
  60
  61 #ifdef C99_MACROS
  62 #define dprintf(level,...) printf(__VA_ARGS__)
  63 #endif
  64
  65 /* gcc vararg macros */
  66 #define dprintf1(level, fmt, args...) printf(fmt, ## args)
  67
  68 #define MACRO_NOARGS()
  69
  70 #define AAA 3
  71 #undef AAA
  72 #define AAA 4
  73
  74 #if 1
  75 #define B3 1
  76 #elif 1
  77 #define B3 2
  78 #elif 0
  79 #define B3 3
  80 #else
  81 #define B3 4
  82 #endif
  83
  84 void macro_test()
  85 {
  86     printf("macro:\n");
  87     pf("N=%d\n", N);
  88     printf("aaa=%d\n", AAA);
  89
  90     printf("min=%d\n", min(1, min(2, -1)));
  91
  92     printf("s1=%s\n", glue(HIGH, LOW));
  93     printf("s2=%s\n", xglue(HIGH, LOW));
  94     printf("s3=%s\n", str("c"));
  95     printf("s4=%s\n", str(a1));
  96     printf("B3=%d\n", B3);
  97
  98 #ifdef A
  99     printf("A defined\n");
 100 #endif
 101 #ifdef B
 102     printf("B defined\n");
 103 #endif
 104 #ifdef A
 105     printf("A defined\n");
 106 #else
 107     printf("A not defined\n");
 108 #endif
 109 #ifdef B
 110     printf("B defined\n");
 111 #else
 112     printf("B not defined\n");
 113 #endif
 114
 115 #ifdef A
 116     printf("A defined\n");
 117 #ifdef B
 118     printf("B1 defined\n");
 119 #else
 120     printf("B1 not defined\n");
 121 #endif
 122 #else
 123     printf("A not defined\n");
 124 #ifdef B
 125     printf("B2 defined\n");
 126 #else
 127     printf("B2 not defined\n");
 128 #endif
 129 #endif
 130
 131 #if 1+1
 132     printf("test true1\n");
 133 #endif
 134 #if 0
 135     printf("test true2\n");
 136 #endif
 137 #if 1-1
 138     printf("test true3\n");
 139 #endif
 140 #if defined(A)
 141     printf("test trueA\n");
 142 #endif
 143 #if defined(B)
 144     printf("test trueB\n");
 145 #endif
 146
 147 #if 0
 148     printf("test 0\n");
 149 #elif 0
 150     printf("test 1\n");
 151 #elif 2
 152     printf("test 2\n");
 153 #else
 154     printf("test 3\n");
 155 #endif
 156
 157     MACRO_NOARGS();
 158
 159     printf("__LINE__=%d __FILE__=%s\n",
 160            __LINE__, __FILE__);
 161     /* not strictly preprocessor, but we test it there */
 162 #ifdef C99_MACROS
 163     printf("__func__ = %s\n", __func__);
 164     dprintf(1, "vaarg=%d\n", 1);
 165 #endif
 166     dprintf1(1, "vaarg1\n");
 167     dprintf1(1, "vaarg1=%d\n", 2);
 168     dprintf1(1, "vaarg1=%d %d\n", 1, 2);
 169 }
 170
 171 int op(a,b)
 172 {
 173     return a / b;
 174 }
 175
 176 int ret(a)
 177 {
 178     if (a == 2)
 179         return 1;
 180     if (a == 3)
 181         return 2;
 182     return 0;
 183 }
 184
 185 void ps(char *s)
 186 {
 187     int c;
 188     while (1) {
 189         c = *s;
 190         if (c == 0)
 191             break;
 192         printf("%c", c);
 193         s++;
 194     }
 195 }
 196
 197 void string_test()
 198 {
 199     int b;
 200     printf("string:\n");
 201     printf("\141\1423\143\n");/* dezdez test */
 202     printf("\x41\x42\x43\x3a\n");
 203     printf("c=%c\n", 'r');
 204     printf("wc=%C 0x%lx %C\n", L'a', L'\x1234', L'c');
 205     printf("wstring=%S\n", L"abc");
 206     printf("wstring=%S\n", L"abc" L"def" "ghi");
 207     ps("test\n");
 208     b = 32;
 209     while ((b = b + 1) < 96) {
 210         printf("%c", b);
 211     }
 212     printf("\n");
 213     printf("fib=%d\n", fib(33));
 214     b = 262144;
 215     while (b != 0x80000000) {
 216         num(b);
 217         b = b * 2;
 218     }
 219 }
 220
 221 void loop_test()
 222 {
 223     int i;
 224     i = 0;
 225     while (i < 10)
 226         printf("%d", i++);
 227     printf("\n");
 228     for(i = 0; i < 10;i++)
 229         printf("%d", i);
 230     printf("\n");
 231     i = 0;
 232     do {
 233         printf("%d", i++);
 234     } while (i < 10);
 235     printf("\n");
 236
 237     /* break/continue tests */
 238     i = 0;
 239     while (1) {
 240         if (i == 6)
 241             break;
 242         i++;
 243         if (i == 3)
 244             continue;
 245         printf("%d", i);
 246     }
 247     printf("\n");
 248
 249     /* break/continue tests */
 250     i = 0;
 251     do {
 252         if (i == 6)
 253             break;
 254         i++;
 255         if (i == 3)
 256             continue;
 257         printf("%d", i);
 258     } while(1);
 259     printf("\n");
 260
 261     for(i = 0;i < 10;i++) {
 262         if (i == 3)
 263             continue;
 264         printf("%d", i);
 265     }
 266     printf("\n");
 267 }
 268
 269
 270 void goto_test()
 271 {
 272     int i;
 273
 274     printf("goto:\n");
 275     i = 0;
 276  s_loop:
 277     if (i >= 10)
 278         goto s_end;
 279     printf("%d", i);
 280     i++;
 281     goto s_loop;
 282  s_end:
 283     printf("\n");
 284 }
 285
 286 enum {
 287     E0,
 288     E1 = 2,
 289     E2 = 4,
 290     E3,
 291     E4,
 292 };
 293
 294 enum test {
 295     E5 = 1000,
 296 };
 297
 298 void enum_test()
 299 {
 300     enum test b1;
 301     printf("enum:\n%d %d %d %d %d %d\n",
 302            E0, E1, E2, E3, E4, E5);
 303     b1 = 1;
 304     printf("b1=%d\n", b1);
 305 }
 306
 307 typedef int *my_ptr;
 308
 309 void typedef_test()
 310 {
 311     my_ptr a;
 312     int b;
 313     a = &b;
 314     *a = 1234;
 315     printf("typedef:\n");
 316     printf("a=%d\n", *a);
 317 }
 318
 319 void forward_test()
 320 {
 321     printf("forward:\n");
 322     forward_ref();
 323     forward_ref();
 324 }
 325
 326
 327 void forward_ref(void)
 328 {
 329     printf("forward ok\n");
 330 }
 331
 332 typedef struct struct1 {
 333     int f1;
 334     int f2, f3;
 335     union union1 {
 336         int v1;
 337         int v2;
 338     } u;
 339     char str[3];
 340 } struct1;
 341
 342 struct struct2 {
 343     int a;
 344     char b;
 345 };
 346
 347 union union2 {
 348     int w1;
 349     int w2;
 350 };
 351
 352 struct struct1 st1, st2;
 353
 354 int main(int argc, char **argv)
 355 {
 356     string_test();
 357     expr_test();
 358     macro_test();
 359     scope_test();
 360     forward_test();
 361     funcptr_test();
 362     loop_test();
 363     switch_test();
 364     goto_test();
 365     enum_test();
 366     typedef_test();
 367     struct_test();
 368     array_test();
 369     expr_ptr_test();
 370     bool_test();
 371     expr2_test();
 372     constant_expr_test();
 373     expr_cmp_test();
 374     char_short_test();
 375     init_test();
 376     compound_literal_test();
 377     kr_test();
 378     struct_assign_test();
 379     cast_test();
 380     bitfield_test();
 381     c99_bool_test();
 382     float_test();
 383     longlong_test();
 384     return 0;
 385 }
 386
 387 int tab[3];
 388 int tab2[3][2];
 389
 390 int g;
 391
 392 void f1(g)
 393 {
 394     printf("g1=%d\n", g);
 395 }
 396
 397 void scope_test()
 398 {
 399     printf("scope:\n");
 400     g = 2;
 401     f1(1);
 402     printf("g2=%d\n", g);
 403     {
 404         int g;
 405         g = 3;
 406         printf("g3=%d\n", g);
 407         {
 408             int g;
 409             g = 4;
 410             printf("g4=%d\n", g);
 411         }
 412     }
 413     printf("g5=%d\n", g);
 414 }
 415
 416 void array_test(int a[4])
 417 {
 418     int i, j;
 419
 420     printf("array:\n");
 421     printf("sizeof(a) = %d\n", sizeof(a));
 422     printf("sizeof(int) = %d\n", sizeof(int));
 423     printf("sizeof(unsigned int) = %d\n", sizeof(unsigned int));
 424     printf("sizeof(short) = %d\n", sizeof(short));
 425     printf("sizeof(unsigned short) = %d\n", sizeof(unsigned short));
 426     printf("sizeof(char) = %d\n", sizeof(char));
 427     printf("sizeof(unsigned char) = %d\n", sizeof(unsigned char));
 428     printf("sizeof tab %d\n", sizeof(tab));
 429     printf("sizeof tab2 %d\n", sizeof tab2);
 430     tab[0] = 1;
 431     tab[1] = 2;
 432     tab[2] = 3;
 433     printf("%d %d %d\n", tab[0], tab[1], tab[2]);
 434     for(i=0;i<3;i++)
 435         for(j=0;j<2;j++)
 436             tab2[i][j] = 10 * i + j;
 437     for(i=0;i<3*2;i++) {
 438         printf(" %3d", ((int *)tab2)[i]);
 439     }
 440     printf("\n");
 441 }
 442
 443 void expr_test()
 444 {
 445     int a, b;
 446     a = 0;
 447     printf("%d\n", a += 1);
 448     printf("%d\n", a -= 2);
 449     printf("%d\n", a *= 31232132);
 450     printf("%d\n", a /= 4);
 451     printf("%d\n", a %= 20);
 452     printf("%d\n", a &= 6);
 453     printf("%d\n", a ^= 7);
 454     printf("%d\n", a |= 8);
 455     printf("%d\n", a >>= 3);
 456     printf("%d\n", a <<= 4);
 457
 458     a = 22321;
 459     b = -22321;
 460     printf("%d\n", a + 1);
 461     printf("%d\n", a - 2);
 462     printf("%d\n", a * 312);
 463     printf("%d\n", a / 4);
 464     printf("%d\n", b / 4);
 465     printf("%d\n", (unsigned)b / 4);
 466     printf("%d\n", a % 20);
 467     printf("%d\n", b % 20);
 468     printf("%d\n", (unsigned)b % 20);
 469     printf("%d\n", a & 6);
 470     printf("%d\n", a ^ 7);
 471     printf("%d\n", a | 8);
 472     printf("%d\n", a >> 3);
 473     printf("%d\n", b >> 3);
 474     printf("%d\n", (unsigned)b >> 3);
 475     printf("%d\n", a << 4);
 476     printf("%d\n", ~a);
 477     printf("%d\n", -a);
 478     printf("%d\n", +a);
 479
 480     printf("%d\n", 12 + 1);
 481     printf("%d\n", 12 - 2);
 482     printf("%d\n", 12 * 312);
 483     printf("%d\n", 12 / 4);
 484     printf("%d\n", 12 % 20);
 485     printf("%d\n", 12 & 6);
 486     printf("%d\n", 12 ^ 7);
 487     printf("%d\n", 12 | 8);
 488     printf("%d\n", 12 >> 2);
 489     printf("%d\n", 12 << 4);
 490     printf("%d\n", ~12);
 491     printf("%d\n", -12);
 492     printf("%d\n", +12);
 493     printf("%d %d %d %d\n",
 494            isid('a'),
 495            isid('g'),
 496            isid('T'),
 497            isid('('));
 498 }
 499
 500 int isid(int c)
 501 {
 502     return (c >= 'a' & c <= 'z') | (c >= 'A' & c <= 'Z') | c == '_';
 503 }
 504
 505 /**********************/
 506
 507 int vstack[10], *vstack_ptr;
 508
 509 void vpush(int vt, int vc)
 510 {
 511     *vstack_ptr++ = vt;
 512     *vstack_ptr++ = vc;
 513 }
 514
 515 void vpop(int *ft, int *fc)
 516 {
 517     *fc = *--vstack_ptr;
 518     *ft = *--vstack_ptr;
 519 }
 520
 521 void expr2_test()
 522 {
 523     int a, b;
 524
 525     printf("expr2:\n");
 526     vstack_ptr = vstack;
 527     vpush(1432432, 2);
 528     vstack_ptr[-2] &= ~0xffffff80;
 529     vpop(&a, &b);
 530     printf("res= %d %d\n", a, b);
 531 }
 532
 533 void constant_expr_test()
 534 {
 535     int a;
 536     printf("constant_expr:\n");
 537     a = 3;
 538     printf("%d\n", a * 16);
 539     printf("%d\n", a * 1);
 540     printf("%d\n", a + 0);
 541 }
 542
 543 int tab4[10];
 544
 545 void expr_ptr_test()
 546 {
 547     int *p, *q;
 548
 549     printf("expr_ptr:\n");
 550     p = tab4;
 551     q = tab4 + 10;
 552     printf("diff=%d\n", q - p);
 553     p++;
 554     printf("inc=%d\n", p - tab4);
 555     p--;
 556     printf("dec=%d\n", p - tab4);
 557     ++p;
 558     printf("inc=%d\n", p - tab4);
 559     --p;
 560     printf("dec=%d\n", p - tab4);
 561     printf("add=%d\n", p + 3 - tab4);
 562     printf("add=%d\n", 3 + p - tab4);
 563 }
 564
 565 void expr_cmp_test()
 566 {
 567     int a, b;
 568     printf("constant_expr:\n");
 569     a = -1;
 570     b = 1;
 571     printf("%d\n", a == a);
 572     printf("%d\n", a != a);
 573
 574     printf("%d\n", a < b);
 575     printf("%d\n", a <= b);
 576     printf("%d\n", a <= a);
 577     printf("%d\n", b >= a);
 578     printf("%d\n", a >= a);
 579     printf("%d\n", b > a);
 580
 581     printf("%d\n", (unsigned)a < b);
 582     printf("%d\n", (unsigned)a <= b);
 583     printf("%d\n", (unsigned)a <= a);
 584     printf("%d\n", (unsigned)b >= a);
 585     printf("%d\n", (unsigned)a >= a);
 586     printf("%d\n", (unsigned)b > a);
 587 }
 588
 589 void struct_test()
 590 {
 591     struct1 *s;
 592     union union2 u;
 593
 594     printf("struct:\n");
 595     printf("sizes: %d %d %d %d\n",
 596            sizeof(struct struct1),
 597            sizeof(struct struct2),
 598            sizeof(union union1),
 599            sizeof(union union2));
 600     st1.f1 = 1;
 601     st1.f2 = 2;
 602     st1.f3 = 3;
 603     printf("st1: %d %d %d\n",
 604            st1.f1, st1.f2, st1.f3);
 605     st1.u.v1 = 1;
 606     st1.u.v2 = 2;
 607     printf("union1: %d\n", st1.u.v1);
 608     u.w1 = 1;
 609     u.w2 = 2;
 610     printf("union2: %d\n", u.w1);
 611     s = &st2;
 612     s->f1 = 3;
 613     s->f2 = 2;
 614     s->f3 = 1;
 615     printf("st2: %d %d %d\n",
 616            s->f1, s->f2, s->f3);
 617     printf("str_addr=%x\n", (int)st1.str - (int)&st1.f1);
 618 }
 619
 620 /* XXX: depend on endianness */
 621 void char_short_test()
 622 {
 623     int var1, var2;
 624
 625     printf("char_short:\n");
 626
 627     var1 = 0x01020304;
 628     var2 = 0xfffefdfc;
 629     printf("s8=%d %d\n",
 630            *(char *)&var1, *(char *)&var2);
 631     printf("u8=%d %d\n",
 632            *(unsigned char *)&var1, *(unsigned char *)&var2);
 633     printf("s16=%d %d\n",
 634            *(short *)&var1, *(short *)&var2);
 635     printf("u16=%d %d\n",
 636            *(unsigned short *)&var1, *(unsigned short *)&var2);
 637     printf("s32=%d %d\n",
 638            *(int *)&var1, *(int *)&var2);
 639     printf("u32=%d %d\n",
 640            *(unsigned int *)&var1, *(unsigned int *)&var2);
 641     *(char *)&var1 = 0x08;
 642     printf("var1=%x\n", var1);
 643     *(short *)&var1 = 0x0809;
 644     printf("var1=%x\n", var1);
 645     *(int *)&var1 = 0x08090a0b;
 646     printf("var1=%x\n", var1);
 647 }
 648
 649 /******************/
 650
 651 typedef struct Sym {
 652     int v;
 653     int t;
 654     int c;
 655     struct Sym *next;
 656     struct Sym *prev;
 657 } Sym;
 658
 659 void bool_test()
 660 {
 661     int *s, a, b;
 662
 663     a = 0;
 664     s = (void*)0;
 665     printf("!s=%d\n", !s);
 666
 667     if (!s || !s[0])
 668         a = 1;
 669     printf("a=%d\n", a);
 670
 671     printf("a=%d %d %d\n", 0 || 0, 0 || 1, 1 || 1);
 672     printf("a=%d %d %d\n", 0 && 0, 0 && 1, 1 && 1);
 673     printf("a=%d %d\n", 1 ? 1 : 0, 0 ? 1 : 0);
 674 #if 1 && 1
 675     printf("a1\n");
 676 #endif
 677 #if 1 || 0
 678     printf("a2\n");
 679 #endif
 680 #if 1 ? 0 : 1
 681     printf("a3\n");
 682 #endif
 683 #if 0 ? 0 : 1
 684     printf("a4\n");
 685 #endif
 686
 687     a = 4;
 688     printf("b=%d\n", a + (0 ? 1 : a / 2));
 689
 690     /* test register spilling */
 691     a = 10;
 692     b = 10;
 693     a = (a + b) * ((a < b) ?
 694                    ((b - a) * (a - b)): a + b);
 695     printf("a=%d\n", a);
 696 }
 697
 698
 699 int cinit1 = 0;
 700 int *cinit2 = (int []){3, 2, 1};
 701
 702 void compound_literal_test(void)
 703 {
 704     int *p, i;
 705     char *q, *q3;
 706
 707     printf("compound_test:\n");
 708
 709     p = (int []){1, 2, 3};
 710     for(i=0;i<3;i++)
 711         printf(" %d", p[i]);
 712     printf("\n");
 713
 714     for(i=0;i<3;i++)
 715         printf("%d", cinit2[i]);
 716     printf("\n");
 717
 718     q = "tralala1";
 719     printf("q1=%s\n", q);
 720
 721     q = (char *){ "tralala2" };
 722     printf("q2=%s\n", q);
 723
 724     q3 = (char *){ q };
 725     printf("q3=%s\n", q3);
 726
 727     q = (char []){ "tralala3" };
 728     printf("q4=%s\n", q);
 729
 730 #ifdef ALL_ISOC99
 731     p = (int []){1, 2, cinit1 + 3};
 732     for(i=0;i<3;i++)
 733         printf(" %d", p[i]);
 734     printf("\n");
 735
 736     for(i=0;i<3;i++) {
 737         p = (int []){1, 2, 4 + i};
 738         printf("%d %d %d\n",
 739                p[0],
 740                p[1],
 741                p[2]);
 742     }
 743 #endif
 744 }
 745
 746 /* K & R protos */
 747
 748 kr_func1(a, b)
 749 {
 750     return a + b;
 751 }
 752
 753 int kr_func2(a, b)
 754 {
 755     return a + b;
 756 }
 757
 758 kr_test()
 759 {
 760     printf("kr_test:\n");
 761     printf("func1=%d\n", kr_func1(3, 4));
 762     printf("func2=%d\n", kr_func2(3, 4));
 763     return 0;
 764 }
 765
 766 void num(int n)
 767 {
 768     char *tab, *p;
 769     tab = (char*)malloc(20);
 770     p = tab;
 771     while (1) {
 772         *p = 48 + (n % 10);
 773         p++;
 774         n = n / 10;
 775         if (n == 0)
 776             break;
 777     }
 778     while (p != tab) {
 779         p--;
 780         printf("%c", *p);
 781     }
 782     printf("\n");
 783 }
 784
 785 /* structure assignment tests */
 786 struct structa1 {
 787     int f1;
 788     char f2;
 789 };
 790
 791 struct structa1 ssta1;
 792
 793 void struct_assign_test1(struct structa1 s1, int t)
 794 {
 795     printf("%d %d %d\n", s1.f1, s1.f2, t);
 796 }
 797
 798 struct structa1 struct_assign_test2(struct structa1 s1, int t)
 799 {
 800     s1.f1 += t;
 801     s1.f2 -= t;
 802     return s1;
 803 }
 804
 805 void struct_assign_test(void)
 806 {
 807     struct structa1 lsta1, lsta2;
 808
 809 #if 0
 810     printf("struct_assign_test:\n");
 811
 812     lsta1.f1 = 1;
 813     lsta1.f2 = 2;
 814     printf("%d %d\n", lsta1.f1, lsta1.f2);
 815     lsta2 = lsta1;
 816     printf("%d %d\n", lsta2.f1, lsta2.f2);
 817 #else
 818     lsta2.f1 = 1;
 819     lsta2.f2 = 2;
 820 #endif
 821     struct_assign_test1(lsta2, 3);
 822
 823     printf("before call: %d %d\n", lsta2.f1, lsta2.f2);
 824     lsta2 = struct_assign_test2(lsta2, 4);
 825     printf("after call: %d %d\n", lsta2.f1, lsta2.f2);
 826 }
 827
 828 /* casts to short/char */
 829
 830 void cast1(char a, short b, unsigned char c, unsigned short d)
 831 {
 832     printf("%d %d %d %d\n", a, b, c, d);
 833 }
 834
 835 char bcast;
 836 short scast;
 837
 838 void cast_test()
 839 {
 840     int a;
 841     char c;
 842     char tab[10];
 843
 844     printf("cast_test:\n");
 845     a = 0xfffff;
 846     cast1(a, a, a, a);
 847     a = 0xffffe;
 848     printf("%d %d %d %d\n",
 849            (char)(a + 1),
 850            (short)(a + 1),
 851            (unsigned char)(a + 1),
 852            (unsigned short)(a + 1));
 853     printf("%d %d %d %d\n",
 854            (char)0xfffff,
 855            (short)0xfffff,
 856            (unsigned char)0xfffff,
 857            (unsigned short)0xfffff);
 858
 859     a = (bcast = 128) + 1;
 860     printf("%d\n", a);
 861     a = (scast = 65536) + 1;
 862     printf("%d\n", a);
 863
 864     printf("sizeof(c) = %d, sizeof((int)c) = %d\n", sizeof(c), sizeof((int)c));
 865
 866     /* test implicit int casting for array accesses */
 867     c = 0;
 868     tab[1] = 2;
 869     tab[c] = 1;
 870     printf("%d %d\n", tab[0], tab[1]);
 871 }
 872
 873 /* initializers tests */
 874 struct structinit1 {
 875     int f1;
 876     char f2;
 877     short f3;
 878     int farray[3];
 879 };
 880
 881 int sinit1 = 2;
 882 int sinit2 = { 3 };
 883 int sinit3[3] = { 1, 2, {{3}}, };
 884 int sinit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
 885 int sinit5[3][2] = { 1, 2, 3, 4, 5, 6 };
 886 int sinit6[] = { 1, 2, 3 };
 887 int sinit7[] = { [2] = 3, [0] = 1, 2 };
 888 char sinit8[] = "hello" "trala";
 889
 890 struct structinit1 sinit9 = { 1, 2, 3 };
 891 struct structinit1 sinit10 = { .f2 = 2, 3, .f1 = 1 };
 892 struct structinit1 sinit11 = { .f2 = 2, 3, .f1 = 1,
 893 #ifdef ALL_ISOC99
 894                                .farray[0] = 10,
 895                                .farray[1] = 11,
 896                                .farray[2] = 12,
 897 #endif
 898 };
 899
 900 char *sinit12 = "hello world";
 901 char *sinit13[] = {
 902     "test1",
 903     "test2",
 904     "test3",
 905 };
 906 char sinit14[10] = { "abc" };
 907 int sinit15[3] = { sizeof(sinit15), 1, 2 };
 908
 909 void init_test(void)
 910 {
 911     int linit1 = 2;
 912     int linit2 = { 3 };
 913     int linit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
 914     int linit6[] = { 1, 2, 3 };
 915     int i, j;
 916     char linit8[] = "hello" "trala";
 917     int linit12[10] = { 1, 2 };
 918     int linit13[10] = { 1, 2, [7] = 3, [3] = 4, };
 919     char linit14[10] = "abc";
 920     int linit15[10] = { linit1, linit1 + 1, [6] = linit1 + 2, };
 921     struct linit16 { int a1, a2, a3, a4; } linit16 = { 1, .a3 = 2 };
 922     int linit17 = sizeof(linit17);
 923
 924     printf("init_test:\n");
 925
 926     printf("sinit1=%d\n", sinit1);
 927     printf("sinit2=%d\n", sinit2);
 928     printf("sinit3=%d %d %d %d\n",
 929            sizeof(sinit3),
 930            sinit3[0],
 931            sinit3[1],
 932            sinit3[2]
 933            );
 934     printf("sinit6=%d\n", sizeof(sinit6));
 935     printf("sinit7=%d %d %d %d\n",
 936            sizeof(sinit7),
 937            sinit7[0],
 938            sinit7[1],
 939            sinit7[2]
 940            );
 941     printf("sinit8=%s\n", sinit8);
 942     printf("sinit9=%d %d %d\n",
 943            sinit9.f1,
 944            sinit9.f2,
 945            sinit9.f3
 946            );
 947     printf("sinit10=%d %d %d\n",
 948            sinit10.f1,
 949            sinit10.f2,
 950            sinit10.f3
 951            );
 952     printf("sinit11=%d %d %d %d %d %d\n",
 953            sinit11.f1,
 954            sinit11.f2,
 955            sinit11.f3,
 956            sinit11.farray[0],
 957            sinit11.farray[1],
 958            sinit11.farray[2]
 959            );
 960
 961     for(i=0;i<3;i++)
 962         for(j=0;j<2;j++)
 963             printf("[%d][%d] = %d %d %d\n",
 964                    i, j, sinit4[i][j], sinit5[i][j], linit4[i][j]);
 965     printf("linit1=%d\n", linit1);
 966     printf("linit2=%d\n", linit2);
 967     printf("linit6=%d\n", sizeof(linit6));
 968     printf("linit8=%d %s\n", sizeof(linit8), linit8);
 969
 970     printf("sinit12=%s\n", sinit12);
 971     printf("sinit13=%d %s %s %s\n",
 972            sizeof(sinit13),
 973            sinit13[0],
 974            sinit13[1],
 975            sinit13[2]);
 976     printf("sinit14=%s\n", sinit14);
 977
 978     for(i=0;i<10;i++) printf(" %d", linit12[i]);
 979     printf("\n");
 980     for(i=0;i<10;i++) printf(" %d", linit13[i]);
 981     printf("\n");
 982     for(i=0;i<10;i++) printf(" %d", linit14[i]);
 983     printf("\n");
 984     for(i=0;i<10;i++) printf(" %d", linit15[i]);
 985     printf("\n");
 986     printf("%d %d %d %d\n",
 987            linit16.a1,
 988            linit16.a2,
 989            linit16.a3,
 990            linit16.a4);
 991     /* test that initialisation is done after variable declare */
 992     printf("linit17=%d\n", linit17);
 993     printf("sinit15=%d\n", sinit15[0]);
 994 }
 995
 996 void switch_test()
 997 {
 998     int i;
 999
1000     for(i=0;i<15;i++) {
1001         switch(i) {
1002         case 0:
1003         case 1:
1004             printf("a");
1005             break;
1006         default:
1007             printf("%d", i);
1008             break;
1009         case 8 ... 12:
1010             printf("c");
1011             break;
1012         case 3:
1013             printf("b");
1014             break;
1015         }
1016     }
1017     printf("\n");
1018 }
1019
1020 /* ISOC99 _Bool type */
1021 void c99_bool_test(void)
1022 {
1023 #ifdef BOOL_ISOC99
1024     int a;
1025     _Bool b;
1026
1027     printf("bool_test:\n");
1028     printf("sizeof(_Bool) = %d\n", sizeof(_Bool));
1029     a = 3;
1030     printf("cast: %d %d %d\n", (_Bool)10, (_Bool)0, (_Bool)a);
1031     b = 3;
1032     printf("b = %d\n", b);
1033     b++;
1034     printf("b = %d\n", b);
1035 #endif
1036 }
1037
1038 void bitfield_test(void)
1039 {
1040     int a;
1041     struct sbf1 {
1042         int f1 : 3;
1043         int : 2;
1044         int f2 : 1;
1045         int : 0;
1046         int f3 : 5;
1047         int f4 : 7;
1048         unsigned int f5 : 7;
1049     } st1;
1050     printf("bitfield_test:");
1051     printf("sizeof(st1) = %d\n", sizeof(st1));
1052
1053     st1.f1 = 3;
1054     st1.f2 = 1;
1055     st1.f3 = 15;
1056     a = 120;
1057     st1.f4 = a;
1058     st1.f5 = a;
1059     st1.f5++;
1060     printf("%d %d %d %d %d\n",
1061            st1.f1, st1.f2, st1.f3, st1.f4, st1.f5);
1062 }
1063
1064 #define FTEST(prefix, type, fmt)\
1065 void prefix ## cmp(type a, type b)\
1066 {\
1067     printf("%d %d %d %d %d %d\n",\
1068            a == b,\
1069            a != b,\
1070            a < b,\
1071            a > b,\
1072            a >= b,\
1073            a <= b);\
1074     printf(fmt " " fmt " " fmt " " fmt " " fmt " " fmt " " fmt "\n",\
1075            a,\
1076            b,\
1077            a + b,\
1078            a - b,\
1079            a * b,\
1080            a / b,\
1081            -a);\
1082     printf(fmt "\n", ++a);\
1083     printf(fmt "\n", a++);\
1084     printf(fmt "\n", a);\
1085 }\
1086 void prefix ## fcast(type a)\
1087 {\
1088     float fa;\
1089     double da;\
1090     long double la;\
1091     int ia;\
1092     unsigned int ua;\
1093     type b;\
1094     fa = a;\
1095     da = a;\
1096     la = a;\
1097     printf("ftof: %f %f %Lf\n", fa, da, la);\
1098     ia = (int)a;\
1099     ua = (unsigned int)a;\
1100     printf("ftoi: %d %u\n", ia, ua);\
1101     ia = -1234;\
1102     ua = 0x81234500;\
1103     b = ia;\
1104     printf("itof: " fmt "\n", b);\
1105     b = ua;\
1106     printf("utof: " fmt "\n", b);\
1107 }\
1108 \
1109 void prefix ## test(void)\
1110 {\
1111     printf("testing '%s'\n", #type);\
1112     prefix ## cmp(1, 2.5);\
1113     prefix ## cmp(2, 1.5);\
1114     prefix ## cmp(1, 1);\
1115     prefix ## fcast(234.6);\
1116     prefix ## fcast(-2334.6);\
1117 }
1118
1119 FTEST(f, float, "%f")
1120 FTEST(d, double, "%f")
1121 FTEST(ld, long double, "%Lf")
1122
1123 double ftab1[3] = { 1.2, 3.4, -5.6 };
1124
1125
1126 void float_test(void)
1127 {
1128     float fa, fb;
1129     double da, db;
1130     int a;
1131     unsigned int b;
1132
1133     printf("float_test:\n");
1134     printf("sizeof(float) = %d\n", sizeof(float));
1135     printf("sizeof(double) = %d\n", sizeof(double));
1136     printf("sizeof(long double) = %d\n", sizeof(long double));
1137     ftest();
1138     dtest();
1139     ldtest();
1140     printf("%f %f %f\n", ftab1[0], ftab1[1], ftab1[2]);
1141     printf("%f %f %f\n", 2.12, .5, 2.3e10);
1142     //    printf("%f %f %f\n", 0x1234p12, 0x1e23.23p10, 0x12dp-10);
1143     da = 123;
1144     printf("da=%f\n", da);
1145     fa = 123;
1146     printf("fa=%f\n", fa);
1147     a = 4000000000;
1148     da = a;
1149     printf("da = %f\n", da);
1150     b = 4000000000;
1151     db = b;
1152     printf("db = %f\n", db);
1153 }
1154
1155 int fib(int n)
1156 {
1157     if (n <= 2)
1158         return 1;
1159     else
1160         return fib(n-1) + fib(n-2);
1161 }
1162
1163 void funcptr_test()
1164 {
1165     void (*func)(int);
1166     int a;
1167     struct {
1168         int dummy;
1169         void (*func)(int);
1170     } st1;
1171
1172     printf("funcptr:\n");
1173     func = &num;
1174     (*func)(12345);
1175     func = num;
1176     a = 1;
1177     a = 1;
1178     func(12345);
1179     /* more complicated pointer computation */
1180     st1.func = num;
1181     st1.func(12346);
1182     printf("sizeof1 = %d\n", sizeof(funcptr_test));
1183     printf("sizeof2 = %d\n", sizeof funcptr_test);
1184     printf("sizeof3 = %d\n", sizeof(&funcptr_test));
1185     printf("sizeof4 = %d\n", sizeof &funcptr_test);
1186 }
1187
1188 void lloptest(long long a, long long b)
1189 {
1190     unsigned long long ua, ub;
1191
1192     ua = a;
1193     ub = b;
1194     /* arith */
1195     printf("arith: %Ld %Ld %Ld %Ld %Ld\n",
1196            a + b,
1197            a - b,
1198            a * b,
1199            a / b,
1200            a % b);
1201
1202     /* binary */
1203     printf("bin: %Ld %Ld %Ld\n",
1204            a & b,
1205            a | b,
1206            a ^ b);
1207
1208     /* tests */
1209     printf("test: %d %d %d %d %d %d\n",
1210            a == b,
1211            a != b,
1212            a < b,
1213            a > b,
1214            a >= b,
1215            a <= b);
1216
1217     printf("utest: %d %d %d %d %d %d\n",
1218            ua == ub,
1219            ua != ub,
1220            ua < ub,
1221            ua > ub,
1222            ua >= ub,
1223            ua <= ub);
1224
1225     /* arith2 */
1226     a++;
1227     b++;
1228     printf("arith2: %Ld %Ld\n", a, b);
1229     printf("arith2: %Ld %Ld\n", a++, b++);
1230     printf("arith2: %Ld %Ld\n", --a, --b);
1231     printf("arith2: %Ld %Ld\n", a, b);
1232 }
1233
1234 void llshift(long long a, int b)
1235 {
1236     printf("shift: %Ld %Ld %Ld\n",
1237            (unsigned long long)a >> b,
1238            a >> b,
1239            a << b);
1240     printf("shiftc: %Ld %Ld %Ld\n",
1241            (unsigned long long)a >> 3,
1242            a >> 3,
1243            a << 3);
1244     printf("shiftc: %Ld %Ld %Ld\n",
1245            (unsigned long long)a >> 35,
1246            a >> 35,
1247            a << 35);
1248 }
1249
1250 void llfloat(void)
1251 {
1252     float fa;
1253     double da;
1254     long double lda;
1255     long long la, lb, lc;
1256     unsigned long long ula, ulb, ulc;
1257     la = 0x12345678;
1258     ula = 0x72345678;
1259     la = (la << 20) | 0x12345;
1260     ula = ula << 33;
1261     printf("la=%Ld ula=%Lu\n", la, ula);
1262
1263     fa = la;
1264     da = la;
1265     lda = la;
1266     printf("lltof: %f %f %Lf\n", fa, da, lda);
1267
1268     la = fa;
1269     lb = da;
1270     lc = lda;
1271     printf("ftoll: %Ld %Ld %Ld\n", la, lb, lc);
1272
1273     fa = ula;
1274     da = ula;
1275     lda = ula;
1276     printf("ulltof: %f %f %Lf\n", fa, da, lda);
1277
1278     ula = fa;
1279     ulb = da;
1280     ulc = lda;
1281     printf("ftoull: %Lu %Lu %Lu\n", ula, ulb, ulc);
1282 }
1283
1284 long long llfunc1(int a)
1285 {
1286     return a;
1287 }
1288
1289 /* currently not supported, except for typing */
1290 void longlong_test(void)
1291 {
1292     long long a, b, c;
1293     int ia;
1294     unsigned int ua;
1295     printf("longlong_test:\n");
1296     printf("sizeof(long long) = %d\n", sizeof(long long));
1297     ia = -1;
1298     ua = -2;
1299     a = ia;
1300     b = ua;
1301     printf("%Ld %Ld\n", a, b);
1302     printf("%Ld %Ld %Ld %Lx\n",
1303            (long long)1,
1304            (long long)-2,
1305            1LL,
1306            0x1234567812345679);
1307     a = llfunc1(-3);
1308     printf("%Ld\n", a);
1309
1310     lloptest(1000, 23);
1311     lloptest(0xff, 0x1234);
1312     b = 0x72345678 << 10;
1313     lloptest(-3, b);
1314     llshift(0x123, 5);
1315     llshift(-23, 5);
1316     b = 0x72345678 << 10;
1317     llshift(b, 47);
1318
1319     llfloat();
1320 #if 1
1321     b = 0x12345678;
1322     a = -1;
1323     c = a + b;
1324     printf("%Lx\n", c);
1325 #endif
1326 }
1327