gcc/testsuite/gcc.dg/gnu99-init-1.c

   1 /* Test for GNU extensions to C99 designated initializers */
   2 /* Origin: Jakub Jelinek <jakub@redhat.com> */
   3 /* { dg-do run } */
   4 /* { dg-options "-std=gnu99" } */
   5
   6 typedef __SIZE_TYPE__ size_t;
   7 extern int memcmp (const void *, const void *, size_t);
   8 extern void abort (void);
   9 extern void exit (int);
  10
  11 int a[][2][4] = { [2 ... 4][0 ... 1][2 ... 3] = 1, [2] = 2, [2][0][2] = 3 };
  12 struct E {};
  13 struct F { struct E H; };
  14 struct G { int I; struct E J; int K; };
  15 struct H { int I; struct F J; int K; };
  16 struct G k = { .J = {}, 1 };
  17 struct H l = { .J.H = {}, 2 };
  18 struct H m = { .J = {}, 3 };
  19 struct I { int J; int K[3]; int L; };
  20 struct M { int N; struct I O[3]; int P; };
  21 struct M n[] = { [0 ... 5].O[1 ... 2].K[0 ... 1] = 4, 5, 6, 7 };
  22 struct M o[] = { [0 ... 5].O = { [1 ... 2].K[0 ... 1] = 4 },
  23                  [5].O[2].K[2] = 5, 6, 7 };
  24 struct M p[] = { [0 ... 5].O[1 ... 2].K = { [0 ... 1] = 4 },
  25                  [5].O[2].K[2] = 5, 6, 7 };
  26 int q[3][3] = { [0 ... 1] = { [1 ... 2] = 23 }, [1][2] = 24 };
  27 int r[1] = { [0 ... 1 - 1] = 27 };
  28
  29 int main (void)
  30 {
  31   int x, y, z;
  32
  33   if (a[2][0][0] != 2 || a[2][0][2] != 3)
  34     abort ();
  35   a[2][0][0] = 0;
  36   a[2][0][2] = 1;
  37   for (x = 0; x <= 4; x++)
  38     for (y = 0; y <= 1; y++)
  39       for (z = 0; z <= 3; z++)
  40         if (a[x][y][z] != (x >= 2 && z >= 2))
  41           abort ();
  42   if (k.I || l.I || m.I || k.K != 1 || l.K != 2 || m.K != 3)
  43     abort ();
  44   for (x = 0; x <= 5; x++)
  45     {
  46       if (n[x].N || n[x].O[0].J || n[x].O[0].L)
  47         abort ();
  48       for (y = 0; y <= 2; y++)
  49         if (n[x].O[0].K[y])
  50           abort ();
  51       for (y = 1; y <= 2; y++)
  52         {
  53           if (n[x].O[y].J)
  54             abort ();
  55           if (n[x].O[y].K[0] != 4)
  56             abort ();
  57           if (n[x].O[y].K[1] != 4)
  58             abort ();
  59           if ((x < 5 || y < 2) && (n[x].O[y].K[2] || n[x].O[y].L))
  60             abort ();
  61         }
  62       if (x < 5 && n[x].P)
  63         abort ();
  64     }
  65   if (n[5].O[2].K[2] != 5 || n[5].O[2].L != 6 || n[5].P != 7)
  66     abort ();
  67   if (memcmp (n, o, sizeof (n)) || sizeof (n) != sizeof (o))
  68     abort ();
  69   if (memcmp (n, p, sizeof (n)) || sizeof (n) != sizeof (p))
  70     abort ();
  71   if (q[0][0] || q[0][1] != 23 || q[0][2] != 23)
  72     abort ();
  73   if (q[1][0] || q[1][1] != 23 || q[1][2] != 24)
  74     abort ();
  75   if (q[2][0] || q[2][1] || q[2][2])
  76     abort ();
  77   if (r[0] != 27)
  78     abort ();
  79   exit (0);
  80 }