llvm-project/clang/test/Sema/warn-string-conversion.c

35 lines
1011 B
C

// RUN: %clang_cc1 -verify -fsyntax-only -Wstring-conversion %s
void do_nothing();
void assert_error();
#define assert1(expr) \
if (expr) \
do_nothing(); \
else \
assert_error()
#define assert2(expr) \
((expr) ? do_nothing() : assert_error())
// Expection for common assert form.
void test1() {
assert1(0 && "foo");
assert1("foo" && 0);
assert1(0 || "foo"); // expected-warning {{string literal}}
assert1("foo"); // expected-warning {{string literal}}
assert2(0 && "foo");
assert2("foo" && 0);
assert2(0 || "foo"); // expected-warning {{string literal}}
assert2("foo"); // expected-warning {{string literal}}
}
void test2() {
if ("hi") {} // expected-warning {{string literal}}
while ("hello") {} // expected-warning {{string literal}}
for (;"howdy";) {} // expected-warning {{string literal}}
do { } while ("hey"); // expected-warning {{string literal}}
int x = "hey" ? 1 : 2; // expected-warning {{string literal}}
}