clang/test/Sema/string-init.c

// RUN: %clang_cc1 -std=c11 -fsyntax-only -triple x86_64-pc-linux -verify %s

// Note: these match the types specified by the target above.
typedef int wchar_t;
typedef unsigned short char16_t;
typedef unsigned int char32_t;

void f() {
  char a1[] = "a"; // No error.
  char a2[] = u8"a"; // No error.
  char a3[] = u"a"; // expected-error{{initializing char array with wide string literal}}
  char a4[] = U"a"; // expected-error{{initializing char array with wide string literal}}
  char a5[] = L"a"; // expected-error{{initializing char array with wide string literal}}

  wchar_t b1[] = "a"; // expected-error{{initializing wide char array with non-wide string literal}}
  wchar_t b2[] = u8"a"; // expected-error{{initializing wide char array with non-wide string literal}}
  wchar_t b3[] = u"a"; // expected-error{{initializing wide char array with incompatible wide string literal}}
  wchar_t b4[] = U"a"; // expected-error{{initializing wide char array with incompatible wide string literal}}
  wchar_t b5[] = L"a"; // No error.

  char16_t c1[] = "a"; // expected-error{{initializing wide char array with non-wide string literal}}
  char16_t c2[] = u8"a"; // expected-error{{initializing wide char array with non-wide string literal}}
  char16_t c3[] = u"a"; // No error.
  char16_t c4[] = U"a"; // expected-error{{initializing wide char array with incompatible wide string literal}}
  char16_t c5[] = L"a"; // expected-error{{initializing wide char array with incompatible wide string literal}}

  char32_t d1[] = "a"; // expected-error{{initializing wide char array with non-wide string literal}}
  char32_t d2[] = u8"a"; // expected-error{{initializing wide char array with non-wide string literal}}
  char32_t d3[] = u"a"; // expected-error{{initializing wide char array with incompatible wide string literal}}
  char32_t d4[] = U"a"; // No error.
  char32_t d5[] = L"a"; // expected-error{{initializing wide char array with incompatible wide string literal}}

  int e1[] = "a"; // expected-error{{initializing wide char array with non-wide string literal}}
  int e2[] = u8"a"; // expected-error{{initializing wide char array with non-wide string literal}}
  int e3[] = u"a"; // expected-error{{initializing wide char array with incompatible wide string literal}}
  int e4[] = U"a"; // expected-error{{initializing wide char array with incompatible wide string literal}}
  int e5[] = L"a"; // No error.

  long f1[] = "a"; // expected-error{{array initializer must be an initializer list}}
  long f2[] = u8"a"; // expected-error{{array initializer must be an initializer list}}}
  long f3[] = u"a"; // expected-error{{array initializer must be an initializer list}}
  long f4[] = U"a"; // expected-error{{array initializer must be an initializer list}}
  long f5[] = L"a"; // expected-error{{array initializer must be an initializer list}}
}

void g() {
  char a[] = 1; // expected-error{{array initializer must be an initializer list or string literal}}
  wchar_t b[] = 1; // expected-error{{array initializer must be an initializer list or wide string literal}}
  char16_t c[] = 1; // expected-error{{array initializer must be an initializer list or wide string literal}}
  char32_t d[] = 1; // expected-error{{array initializer must be an initializer list or wide string literal}}
}