clang/test/Sema/switch-availability.c

// RUN: %clang_cc1 -verify -Wswitch -Wreturn-type -triple x86_64-apple-macosx10.12 %s
// RUN: %clang_cc1 -verify -Wswitch -Wreturn-type -Wno-deprecated-declarations-switch-case -DNO_DEPRECATED_CASE -triple x86_64-apple-macosx10.12 %s

enum SwitchOne {
  Unavail __attribute__((availability(macos, unavailable))),
};

void testSwitchOne(enum SwitchOne so) {
  switch (so) {} // no warning
}

enum SwitchTwo {
  Ed __attribute__((availability(macos, deprecated=10.12))),
  Vim __attribute__((availability(macos, deprecated=10.13))),
  Emacs,
};

void testSwitchTwo(enum SwitchTwo st) {
  switch (st) {} // expected-warning{{enumeration values 'Ed', 'Vim', and 'Emacs' not handled in switch}}
}

enum SwitchThree {
  New __attribute__((availability(macos, introduced=1000))),
};

void testSwitchThree(enum SwitchThree st) {
  switch (st) {} // expected-warning{{enumeration value 'New' not handled in switch}}
}

enum SwitchFour {
  Red,
  Green,
#ifndef NO_DEPRECATED_CASE
// expected-note@+2{{'Blue' has been explicitly marked deprecated here}}
#endif
  Blue [[deprecated]]
};

int testSwitchFour(enum SwitchFour e) {
  switch (e) { // expected-warning{{enumeration value 'Blue' not handled in switch}}
  case Red:   return 1;
  case Green: return 2;
  }
} // expected-warning{{non-void function does not return a value in all control paths}}

int testSwitchFourCovered(enum SwitchFour e) {
  switch (e) {
  case Red:   return 1;
  case Green: return 2;
#ifndef NO_DEPRECATED_CASE
// expected-warning@+2{{'Blue' is deprecated}}
#endif
  case Blue:  return 3;
  } // no warning
}