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vsapsai/null-character-in-literal.c

Created January 11, 2018 02:02
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clang/test/Lexer/null-character-in-literal.c for https://reviews.llvm.org/D41423
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null-character-in-literal.c
// RUN: %clang_cc1 -fsyntax-only -verify %s
// This file contains literal null characters, be careful not to remove them
// accidentally.
char a = ''; // expected-warning {{null character(s) preserved in char literal}}
char b = '\'; // expected-warning {{null character(s) preserved in char literal}}
// expected-warning@-1 {{unknown escape sequence '\x0'}}
char *c = "nullcharacter"; // expected-warning {{null character(s) preserved in string literal}}
char *d = "null\character"; // expected-warning {{null character(s) preserved in string literal}}
// expected-warning@-1 {{unknown escape sequence '\x0'}}
// Put broken include in the end because it suppresses subsequent warnings.
#include <null\character> // expected-warning {{null character(s) preserved in string literal}}
// expected-error@-1 {{'null\character' file not found}}
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