xref: /aosp_15_r20/external/clang/test/Sema/warn-string-conversion.c (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -verify -fsyntax-only -Wstring-conversion %s
2*67e74705SXin Li 
3*67e74705SXin Li void do_nothing();
4*67e74705SXin Li void assert_error();
5*67e74705SXin Li 
6*67e74705SXin Li #define assert1(expr) \
7*67e74705SXin Li   if (expr)           \
8*67e74705SXin Li     do_nothing();     \
9*67e74705SXin Li   else                \
10*67e74705SXin Li   assert_error()
11*67e74705SXin Li 
12*67e74705SXin Li #define assert2(expr) \
13*67e74705SXin Li   ((expr) ? do_nothing() : assert_error())
14*67e74705SXin Li 
15*67e74705SXin Li // Expection for common assert form.
test1()16*67e74705SXin Li void test1() {
17*67e74705SXin Li   assert1(0 && "foo");
18*67e74705SXin Li   assert1("foo" && 0);
19*67e74705SXin Li   assert1(0 || "foo"); // expected-warning {{string literal}}
20*67e74705SXin Li   assert1("foo"); // expected-warning {{string literal}}
21*67e74705SXin Li 
22*67e74705SXin Li   assert2(0 && "foo");
23*67e74705SXin Li   assert2("foo" && 0);
24*67e74705SXin Li   assert2(0 || "foo"); // expected-warning {{string literal}}
25*67e74705SXin Li   assert2("foo"); // expected-warning {{string literal}}
26*67e74705SXin Li }
27*67e74705SXin Li 
test2()28*67e74705SXin Li void test2() {
29*67e74705SXin Li   if ("hi") {}           // expected-warning {{string literal}}
30*67e74705SXin Li   while ("hello") {}     // expected-warning {{string literal}}
31*67e74705SXin Li   for (;"howdy";) {}     // expected-warning {{string literal}}
32*67e74705SXin Li   do { } while ("hey");  // expected-warning {{string literal}}
33*67e74705SXin Li   int x = "hey" ? 1 : 2; // expected-warning {{string literal}}
34*67e74705SXin Li }
35