llvm-project/clang/test/Misc/message-length.c

// RUN: not %clang_cc1 -fmessage-length=72 %s 2>&1 | FileCheck -strict-whitespace %s
// RUN: not %clang_cc1 -fmessage-length=1 %s
// RUN: not %clang_cc1 -fmessage-length=8 %s 2>&1 | FileCheck -check-prefix=CHECK-DOT %s
// Hack so we can check things better, force the file name and line.
# 1 "FILE" 1

/* It's tough to verify the results of this test mechanically, since
   the length of the filename (and, therefore, how the word-wrapping
   behaves) changes depending on where the test-suite resides in the
   file system. */
void f(int, float, char, float);

void g() {
      int (*fp1)(int, float, short, float) = f;

  int (*fp2)(int, float, short, float) = f;
}

void a_func_to_call(int, int, int);

void a_very_long_line(int *ip, float *FloatPointer) {
  for (int ALongIndexName = 0; ALongIndexName < 100; ALongIndexName++) if (ip[ALongIndexName] == 17) a_func_to_call(ip == FloatPointer, ip[ALongIndexName], FloatPointer[ALongIndexName]);


  int array0[] = { [3] 3, 5, 7, 4, 2, 7, 6, 3, 4, 5, 6, 7, 8, 9, 12, 345, 14, 345, 789, 234, 678, 345, 123, 765, 234 };
}

#pragma STDC CX_LIMITED_RANGE    // some long comment text and a brace, eh {}

// CHECK: FILE:23:78
// CHECK: {{^  ...// some long comment text and a brace, eh {}}}

struct A { int x; };
void h(struct A *a) {
  // CHECK-DOT: member
  // CHECK-DOT: reference
  // CHECK-DOT: type
  (void)a
          .
          x;
}