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

   1 /* Test diagnostics for various bad initializers.  */
   2 /* Origin: Joseph Myers <joseph@codesourcery.com> */
   3 /* { dg-do compile } */
   4 /* { dg-options "-std=gnu99" } */
   5
   6 void f(void);
   7 void g(void) = f; /* { dg-error "function 'g' is initialized like a variable" } */
   8
   9 void h(a)
  10      int a = 1; /* { dg-error "parameter 'a' is initialized" } */
  11 {
  12   struct s x = { 0 }; /* { dg-error "variable 'x' has initializer but incomplete type" } */
  13   /* { dg-warning "excess elements|near init" "excess" { target *-*-* } .-1 } */
  14   /* { dg-error "storage size" "size" { target *-*-* } .-2 } */
  15 }
  16
  17 char s[1] = "x";
  18 char s1[1] = { "x" };
  19 char t[1] = "xy"; /* { dg-warning "initializer-string for array of chars is too long" } */
  20 char t1[1] = { "xy" }; /* { dg-warning "initializer-string for array of chars is too long" } */
  21 char u[1] = { "x", "x" }; /* { dg-error "excess elements in char array initializer" } */
  22 /* { dg-message "near init" "near" { target *-*-* } .-1 } */
  23
  24 int i = { }; /* { dg-error "empty scalar initializer" } */
  25 /* { dg-message "near init" "near" { target *-*-* } .-1 } */
  26
  27 int j = { 1 };
  28
  29 int k = { 1, 2 }; /* { dg-warning "excess elements in scalar initializer" } */
  30 /* { dg-message "near init" "near" { target *-*-* } .-1 } */
  31
  32 int a1[1] = { [1] = 0 }; /* { dg-error "array index in initializer exceeds array bounds" } */
  33 /* { dg-message "near init" "near" { target *-*-* } .-1 } */
  34 int a2[1] = { [-1] = 0 }; /* { dg-error "array index in initializer exceeds array bounds" } */
  35 /* { dg-message "near init" "near" { target *-*-* } .-1 } */
  36 int a3[1] = { [0 ... 1] = 0 }; /* { dg-error "array index range in initializer exceeds array bounds" } */
  37 /* { dg-message "near init" "near" { target *-*-* } .-1 } */
  38 int a4[2] = { [1 ... 0] = 0 }; /* { dg-error "empty index range in initializer" } */
  39 /* { dg-message "near init" "near" { target *-*-* } .-1 } */
  40 int a5[2] = { [0 ... 2] = 0 }; /* { dg-error "array index range in initializer exceeds array bounds" } */
  41 /* { dg-message "near init" "near" { target *-*-* } .-1 } */
  42 int a6[2] = { [-1 ... 1] = 0 }; /* { dg-error "array index in initializer exceeds array bounds" } */
  43 /* { dg-message "near init" "near" { target *-*-* } .-1 } */
  44 int a7[] = { [-1 ... 1] = 0 }; /* { dg-error "array index in initializer exceeds array bounds" } */
  45 /* { dg-message "near init" "near" { target *-*-* } .-1 } */