clang/test/FixIt/fixit.c

   1 // RUN: %clang_cc1 -pedantic -Wunused-label -Wno-deprecated-non-prototype -verify -x c %s
   2 // RUN: cp %s %t
   3 // RUN: not %clang_cc1 -pedantic -Wunused-label -fixit -x c %t
   4 // RUN: %clang_cc1 -pedantic -Wunused-label -Wno-deprecated-non-prototype -Werror -x c %t
   5 // RUN: grep -v CHECK %t | FileCheck %t
   6
   7 /* This is a test of the various code modification hints that are
   8    provided as part of warning or extension diagnostics. All of the
   9    warnings will be fixed by -fixit, and the resulting file should
  10    compile cleanly with -Werror -pedantic. */
  11
  12 // FIXME: FIX-IT should add #include <string.h>?
  13 int strcmp(const char *s1, const char *s2);
  14
  15 void f0(void) { }; // expected-warning {{';'}}
  16
  17 struct s {
  18   int x, y;; // expected-warning {{extra ';'}}
  19 };
  20
  21 // CHECK: _Complex double cd;
  22 _Complex cd; // expected-warning {{assuming '_Complex double'}}
  23
  24 // CHECK: struct s s0 = { .y = 5 };
  25 struct s s0 = { y: 5 }; // expected-warning {{GNU old-style}}
  26
  27 // CHECK: int array0[5] = { [3] = 3 };
  28 int array0[5] = { [3] 3 }; // expected-warning {{GNU 'missing ='}}
  29
  30 // CHECK: int x
  31 // CHECK: int y
  32 void f1(x, y) // expected-error 2{{was not declared, defaults to 'int'; ISO C99 and later do not support implicit int}}
  33 {
  34 }
  35
  36 int i0 = { 17 };
  37
  38 #define ONE 1
  39 #define TWO 2
  40
  41 int test_cond(int y, int fooBar) { // expected-note {{here}}
  42 // CHECK: int x = y ? 1 : 4+fooBar;
  43   int x = y ? 1 4+foobar; // expected-error {{expected ':'}} expected-error {{undeclared identifier}} expected-note {{to match}}
  44 // CHECK: x = y ? ONE : TWO;
  45   x = y ? ONE TWO; // expected-error {{':'}} expected-note {{to match}}
  46   return x;
  47 }
  48
  49 // CHECK: const typedef int int_t;
  50 const typedef typedef int int_t; // expected-warning {{duplicate 'typedef'}}
  51
  52 enum Color {
  53   Red // expected-error{{missing ',' between enumerators}}
  54   Green = 17 // expected-error{{missing ',' between enumerators}}
  55   Blue,
  56 };
  57
  58 struct test_struct {
  59   // CHECK: struct test_struct *struct_ptr;
  60   test_struct *struct_ptr; // expected-error {{must use 'struct' tag to refer to type 'test_struct'}}
  61 };
  62
  63 void removeUnusedLabels(char c) {
  64   L0 /*removed comment*/:        c++; // expected-warning {{unused label}}
  65   removeUnusedLabels(c);
  66   L1: // expected-warning {{unused label}}
  67   c++;
  68   /*preserved comment*/ L2  :        c++; // expected-warning {{unused label}}
  69   LL // expected-warning {{unused label}}
  70   : c++;
  71   c = c + 3; L4: return; // expected-warning {{unused label}}
  72 }
  73
  74 int oopsAComma = 0, // expected-error {{';'}}
  75 void oopsMoreCommas(void) {
  76   static int a[] = { 0, 1, 2 }, // expected-error {{';'}}
  77   static int b[] = { 3, 4, 5 }, // expected-error {{';'}}
  78   &a == &b ? oopsMoreCommas() : removeUnusedLabels(a[0]);
  79 }
  80
  81 int commaAtEndOfStatement(void) {
  82   int a = 1;
  83   a = 5, // expected-error {{';'}}
  84   int m = 5, // expected-error {{';'}}
  85   return 0, // expected-error {{';'}}
  86 }
  87
  88 struct noSemiAfterStruct // expected-error {{expected ';' after struct}}
  89 struct noSemiAfterStruct {
  90   int n // expected-warning {{';'}}
  91 } // expected-error {{expected ';' after struct}}
  92 enum noSemiAfterEnum {
  93   e1
  94 } // expected-error {{expected ';' after enum}}
  95
  96 int PR17175 __attribute__((visibility(hidden))); // expected-error {{'visibility' attribute requires a string}}