gcc/testsuite/gcc.dg/c99-init-1.c

   1 /* Test for C99 designated initializers */
   2 /* Origin: Jakub Jelinek <jakub@redhat.com> */
   3 /* { dg-do run } */
   4 /* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
   5
   6 typedef __SIZE_TYPE__ size_t;
   7 typedef __WCHAR_TYPE__ wchar_t;
   8 extern int memcmp (const void *, const void *, size_t);
   9 extern void abort (void);
  10 extern void exit (int);
  11
  12 int a[10] = { 10, 0, 12, 13, 14, 0, 0, 17, 0, 0 };
  13 int b[10] = { 10, [4] = 15, [2] = 12, [4] = 14, [7] = 17 };
  14 int c[10] = { 10, [4] = 15, [2] = 12, [3] = 13, 14, [7] = 17 };
  15 struct A {
  16   int B;
  17   short C[2];
  18 };
  19 struct A d[] = { { 0, { 1, 2 } }, { 0, { 0, 0 } }, { 10, { 11, 12 } } };
  20 struct A e[] = { 0, 1, 2, [2] = 10, 11, 12 };
  21 struct A f[] = { 0, 1, 2, [2].C = 11, 12, 13 };
  22 struct A g[] = { 0, 1, 2, [2].C[1] = 12, 13, 14 };
  23 struct A h[] = { 0, 1, 2, [2] = { .C[1] = 12 }, 13, 14 };
  24 struct A i[] = { 0, 1, 2, [2] = { .C = { [1] = 12 } }, 13, 14 };
  25 union D {
  26   int E;
  27   double F;
  28   struct A G;
  29 };
  30 union D j[] = { [4] = 1, [4].F = 1.0, [1].G.C[1] = 4 };
  31 struct H {
  32   char I[6];
  33   int J;
  34 } k[] = { { { "foo" }, 1 }, [0].I[0] = 'b' };
  35 struct K {
  36   wchar_t L[6];
  37   int M;
  38 } l[] = { { { L"foo" }, 1 }, [0].L[2] = L'x', [0].L[4] = L'y' };
  39 struct H m[] = { { { "foo" }, 1 }, [0] = { .I[0] = 'b' } };
  40 struct H n[] = { { { "foo" }, 1 }, [0].I = { "a" }, [0].J = 2 };
  41 int o = { 22 };
  42
  43 int main (void)
  44 {
  45   if (b[3])
  46     abort ();
  47   b[3] = 13;
  48   if (memcmp (a, b, sizeof (a)) || memcmp (a, c, sizeof (a)))
  49     abort ();
  50   if (memcmp (d, e, sizeof (d)) || sizeof (d) != sizeof (e))
  51     abort ();
  52   if (f[2].B != 0 || g[2].B != 0 || g[2].C[0] != 0)
  53     abort ();
  54   if (memcmp (g, h, sizeof (g)) || memcmp (g, i, sizeof (g)))
  55     abort ();
  56   f[2].B = 10;
  57   g[2].B = 10;
  58   g[2].C[0] = 11;
  59   if (memcmp (d, f, sizeof (d)) || memcmp (d, g, sizeof (d)))
  60     abort ();
  61   if (f[3].B != 13 || g[3].B != 13 || g[3].C[0] != 14)
  62     abort ();
  63   if (j[0].E || j[1].G.B || j[1].G.C[0] || j[1].G.C[1] != 4)
  64     abort ();
  65   if (j[2].E || j[3].E || j[4].F != 1.0)
  66     abort ();
  67   if (memcmp (k[0].I, "boo\0\0", 6) || k[0].J != 1)
  68     abort ();
  69   if (memcmp (l[0].L, L"fox\0y", 6 * sizeof(wchar_t)) || l[0].M != 1)
  70     abort ();
  71   if (memcmp (m[0].I, "b\0\0\0\0", 6) || m[0].J)
  72     abort ();
  73   if (memcmp (n[0].I, "a\0\0\0\0", 6) || n[0].J != 2)
  74     abort ();
  75   if (o != 22)
  76     abort ();
  77   exit (0);
  78 }