ucn-cstring.c
757 Bytes
// RUN: %clang_cc1 %s -verify -fsyntax-only -pedantic
int printf(const char *, ...);
int main(void) {
int a[sizeof("hello \u2192 \u2603 \u2190 world") == 24 ? 1 : -1];
printf("%s (%zd)\n", "hello \u2192 \u2603 \u2190 world", sizeof("hello \u2192 \u2603 \u2190 world"));
printf("%s (%zd)\n", "\U00010400\U0001D12B", sizeof("\U00010400\U0001D12B"));
// Some error conditions...
printf("%s\n", "\U"); // expected-error{{\U used with no following hex digits}}
printf("%s\n", "\U00"); // expected-error{{incomplete universal character name}}
printf("%s\n", "\U0001"); // expected-error{{incomplete universal character name}}
printf("%s\n", "\u0001"); // expected-error{{universal character name refers to a control character}}
return 0;
}