llvm-project/clang/test/Sema/warn-outof-range-assign-enum.c

63 lines
2.4 KiB
C

// RUN: %clang_cc1 -fsyntax-only -verify -Wassign-enum %s
// rdar://11824807
typedef enum CCTestEnum
{
One,
Two=4,
Three
} CCTestEnum;
CCTestEnum test = 50; // expected-warning {{integer constant not in range of enumerated type 'CCTestEnum'}}
CCTestEnum test1 = -50; // expected-warning {{integer constant not in range of enumerated type 'CCTestEnum'}}
// Explicit cast should silence the warning.
static const CCTestEnum SilenceWithCast1 = 51; // expected-warning {{integer constant not in range of enumerated type 'CCTestEnum'}}
static const CCTestEnum SilenceWithCast2 = (CCTestEnum) 51; // no-warning
static const CCTestEnum SilenceWithCast3 = (const CCTestEnum) 51; // no-warning
static const CCTestEnum SilenceWithCast4 = (const volatile CCTestEnum) 51; // no-warning
void SilenceWithCastLocalVar() {
CCTestEnum SilenceWithCast1 = 51; // expected-warning {{integer constant not in range of enumerated type 'CCTestEnum'}}
CCTestEnum SilenceWithCast2 = (CCTestEnum) 51; // no-warning
CCTestEnum SilenceWithCast3 = (const CCTestEnum) 51; // no-warning
CCTestEnum SilenceWithCast4 = (const volatile CCTestEnum) 51; // no-warning
const CCTestEnum SilenceWithCast1c = 51; // expected-warning {{integer constant not in range of enumerated type 'CCTestEnum'}}
const CCTestEnum SilenceWithCast2c = (CCTestEnum) 51; // no-warning
const CCTestEnum SilenceWithCast3c = (const CCTestEnum) 51; // no-warning
const CCTestEnum SilenceWithCast4c = (const volatile CCTestEnum) 51; // no-warning
}
CCTestEnum foo(CCTestEnum r) {
return 20; // expected-warning {{integer constant not in range of enumerated type 'CCTestEnum'}}
}
enum Test2 { K_zero, K_one };
enum Test2 test2(enum Test2 *t) {
*t = 20; // expected-warning {{integer constant not in range of enumerated type 'enum Test2'}}
return 10; // expected-warning {{integer constant not in range of enumerated type 'enum Test2'}}
}
// PR15069
typedef enum
{
a = 0
} T;
void f()
{
T x = a;
x += 1; // expected-warning {{integer constant not in range of enumerated type}}
}
int main() {
CCTestEnum test = 1; // expected-warning {{integer constant not in range of enumerated type 'CCTestEnum'}}
test = 600; // expected-warning {{integer constant not in range of enumerated type 'CCTestEnum'}}
foo(2); // expected-warning {{integer constant not in range of enumerated type 'CCTestEnum'}}
foo(-1); // expected-warning {{integer constant not in range of enumerated type 'CCTestEnum'}}
foo(4);
foo(Two+1);
}