// RUN: %clang_cc1 -fsyntax-only -verify -Wconsumed -fcxx-exceptions -std=c++11 %s
// TODO: Switch to using macros for the expected warnings.
#define CALLABLE_WHEN(...) __attribute__ ((callable_when(__VA_ARGS__)))
#define CONSUMABLE(state) __attribute__ ((consumable(state)))
#define PARAM_TYPESTATE(state) __attribute__ ((param_typestate(state)))
#define RETURN_TYPESTATE(state) __attribute__ ((return_typestate(state)))
#define SET_TYPESTATE(state) __attribute__ ((set_typestate(state)))
#define TEST_TYPESTATE(state) __attribute__ ((test_typestate(state)))
typedef decltype(nullptr) nullptr_t;
template <typename T>
class CONSUMABLE(unconsumed) ConsumableClass {
T var;
public:
ConsumableClass();
ConsumableClass(nullptr_t p) RETURN_TYPESTATE(consumed);
ConsumableClass(T val) RETURN_TYPESTATE(unconsumed);
ConsumableClass(ConsumableClass<T> &other);
ConsumableClass(ConsumableClass<T> &&other);
ConsumableClass<T>& operator=(ConsumableClass<T> &other);
ConsumableClass<T>& operator=(ConsumableClass<T> &&other);
ConsumableClass<T>& operator=(nullptr_t) SET_TYPESTATE(consumed);
template <typename U>
ConsumableClass<T>& operator=(ConsumableClass<U> &other);
template <typename U>
ConsumableClass<T>& operator=(ConsumableClass<U> &&other);
void operator()(int a) SET_TYPESTATE(consumed);
void operator*() const CALLABLE_WHEN("unconsumed");
void unconsumedCall() const CALLABLE_WHEN("unconsumed");
void callableWhenUnknown() const CALLABLE_WHEN("unconsumed", "unknown");
bool isValid() const TEST_TYPESTATE(unconsumed);
operator bool() const TEST_TYPESTATE(unconsumed);
bool operator!=(nullptr_t) const TEST_TYPESTATE(unconsumed);
bool operator==(nullptr_t) const TEST_TYPESTATE(consumed);
void constCall() const;
void nonconstCall();
void consume() SET_TYPESTATE(consumed);
void unconsume() SET_TYPESTATE(unconsumed);
};
class CONSUMABLE(unconsumed) DestructorTester {
public:
DestructorTester();
DestructorTester(int);
DestructorTester(nullptr_t) RETURN_TYPESTATE(unconsumed);
DestructorTester(DestructorTester &&);
void operator*() CALLABLE_WHEN("unconsumed");
~DestructorTester() CALLABLE_WHEN("consumed");
};
void dtByVal(DestructorTester);
void dtByValMarkUnconsumed(DestructorTester RETURN_TYPESTATE(unconsumed));
void baf0(const ConsumableClass<int> var);
void baf1(const ConsumableClass<int> &var);
void baf2(const ConsumableClass<int> *var);
void baf3(ConsumableClass<int> var);
void baf4(ConsumableClass<int> &var);
void baf5(ConsumableClass<int> *var);
void baf6(ConsumableClass<int> &&var);
ConsumableClass<int> returnsUnconsumed() {
return ConsumableClass<int>(); // expected-warning {{return value not in expected state; expected 'unconsumed', observed 'consumed'}}
}
ConsumableClass<int> returnsConsumed() RETURN_TYPESTATE(consumed);
ConsumableClass<int> returnsConsumed() {
return ConsumableClass<int>();
}
ConsumableClass<int> returnsUnknown() RETURN_TYPESTATE(unknown);
void testInitialization() {
ConsumableClass<int> var0;
ConsumableClass<int> var1 = ConsumableClass<int>();
ConsumableClass<int> var2(42);
ConsumableClass<int> var3(var2); // copy constructor
ConsumableClass<int> var4(var0); // copy consumed value
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
*var2;
*var3;
*var4; // expected-warning {{invalid invocation of method 'operator*' on object 'var4' while it is in the 'consumed' state}}
var0 = ConsumableClass<int>(42);
*var0;
var0 = var1;
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
if (var0.isValid()) {
*var0;
*var1;
} else {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
}
}
void testDestruction() {
DestructorTester D0(42), D1(42), D2;
*D0;
*D1;
*D2; // expected-warning {{invalid invocation of method 'operator*' on object 'D2' while it is in the 'consumed' state}}
D0.~DestructorTester(); // expected-warning {{invalid invocation of method '~DestructorTester' on object 'D0' while it is in the 'unconsumed' state}}
return; // expected-warning {{invalid invocation of method '~DestructorTester' on object 'D0' while it is in the 'unconsumed' state}} \
expected-warning {{invalid invocation of method '~DestructorTester' on object 'D1' while it is in the 'unconsumed' state}}
}
void testDestructionByVal() {
{
// both the var and the temporary are consumed:
DestructorTester D0(nullptr);
dtByVal((DestructorTester &&)D0);
}
{
// the var is consumed but the temporary isn't:
DestructorTester D1(nullptr);
dtByValMarkUnconsumed((DestructorTester &&)D1); // expected-warning {{invalid invocation of method '~DestructorTester' on a temporary object while it is in the 'unconsumed' state}}
}
}
void testTempValue() {
*ConsumableClass<int>(); // expected-warning {{invalid invocation of method 'operator*' on a temporary object while it is in the 'consumed' state}}
}
void testSimpleRValueRefs() {
ConsumableClass<int> var0;
ConsumableClass<int> var1(42);
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
*var1;
var0 = static_cast<ConsumableClass<int>&&>(var1);
*var0;
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
}
void testIfStmt() {
ConsumableClass<int> var;
if (var.isValid()) {
*var;
} else {
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'consumed' state}}
}
if (!var.isValid()) {
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'consumed' state}}
} else {
*var;
}
if (var) {
// Empty
} else {
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'consumed' state}}
}
if (var != nullptr) {
// Empty
} else {
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'consumed' state}}
}
if (var == nullptr) {
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'consumed' state}}
} else {
// Empty
}
}
void testComplexConditionals0() {
ConsumableClass<int> var0, var1, var2;
if (var0 && var1) {
*var0;
*var1;
} else {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
}
if (var0 || var1) {
*var0;
*var1;
} else {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
}
if (var0 && !var1) {
*var0;
*var1;
} else {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
}
if (var0 || !var1) {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
} else {
*var0;
*var1;
}
if (!var0 && !var1) {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
} else {
*var0;
*var1;
}
if (!var0 || !var1) {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
} else {
*var0;
*var1;
}
if (!(var0 && var1)) {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
} else {
*var0;
*var1;
}
if (!(var0 || var1)) {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
} else {
*var0;
*var1;
}
if (var0 && var1 && var2) {
*var0;
*var1;
*var2;
} else {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
*var2; // expected-warning {{invalid invocation of method 'operator*' on object 'var2' while it is in the 'consumed' state}}
}
#if 0
// FIXME: Get this test to pass.
if (var0 || var1 || var2) {
*var0;
*var1;
*var2;
} else {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
*var2; // expected-warning {{invalid invocation of method 'operator*' on object 'var2' while it is in the 'consumed' state}}
}
#endif
}
void testComplexConditionals1() {
ConsumableClass<int> var0, var1, var2;
// Coerce all variables into the unknown state.
baf4(var0);
baf4(var1);
baf4(var2);
if (var0 && var1) {
*var0;
*var1;
} else {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'unknown' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'unknown' state}}
}
if (var0 || var1) {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'unknown' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'unknown' state}}
} else {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
}
if (var0 && !var1) {
*var0;
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
} else {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'unknown' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'unknown' state}}
}
if (var0 || !var1) {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'unknown' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'unknown' state}}
} else {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
*var1;
}
if (!var0 && !var1) {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
} else {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'unknown' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'unknown' state}}
}
if (!(var0 || var1)) {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
} else {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'unknown' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'unknown' state}}
}
if (!var0 || !var1) {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'unknown' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'unknown' state}}
} else {
*var0;
*var1;
}
if (!(var0 && var1)) {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'unknown' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'unknown' state}}
} else {
*var0;
*var1;
}
if (var0 && var1 && var2) {
*var0;
*var1;
*var2;
} else {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'unknown' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'unknown' state}}
*var2; // expected-warning {{invalid invocation of method 'operator*' on object 'var2' while it is in the 'unknown' state}}
}
#if 0
// FIXME: Get this test to pass.
if (var0 || var1 || var2) {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'unknown' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'unknown' state}}
*var2; // expected-warning {{invalid invocation of method 'operator*' on object 'var2' while it is in the 'unknown' state}}
} else {
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
*var2; // expected-warning {{invalid invocation of method 'operator*' on object 'var2' while it is in the 'consumed' state}}
}
#endif
}
void testStateChangeInBranch() {
ConsumableClass<int> var;
// Make var enter the 'unknown' state.
baf4(var);
if (!var) {
var = ConsumableClass<int>(42);
}
*var;
}
void testFunctionParam(ConsumableClass<int> param) {
if (param.isValid()) {
*param;
} else {
*param;
}
param = nullptr;
*param; // expected-warning {{invocation of method 'operator*' on object 'param' while it is in the 'consumed' state}}
}
void testParamReturnTypestateCallee(bool cond, ConsumableClass<int> &Param RETURN_TYPESTATE(unconsumed)) { // expected-warning {{parameter 'Param' not in expected state when the function returns: expected 'unconsumed', observed 'consumed'}}
if (cond) {
Param.consume();
return; // expected-warning {{parameter 'Param' not in expected state when the function returns: expected 'unconsumed', observed 'consumed'}}
}
Param.consume();
}
void testRvalueRefParamReturnTypestateCallee(ConsumableClass<int> &&Param RETURN_TYPESTATE(unconsumed)) {
Param.unconsume();
}
void testParamReturnTypestateCaller() {
ConsumableClass<int> var;
testParamReturnTypestateCallee(true, var);
testRvalueRefParamReturnTypestateCallee((ConsumableClass<int> &&)var);
*var;
}
void testParamTypestateCallee(ConsumableClass<int> Param0 PARAM_TYPESTATE(consumed),
ConsumableClass<int> &Param1 PARAM_TYPESTATE(consumed)) {
*Param0; // expected-warning {{invalid invocation of method 'operator*' on object 'Param0' while it is in the 'consumed' state}}
*Param1; // expected-warning {{invalid invocation of method 'operator*' on object 'Param1' while it is in the 'consumed' state}}
}
void testParamTypestateCaller() {
ConsumableClass<int> Var0, Var1(42);
testParamTypestateCallee(Var0, Var1); // expected-warning {{argument not in expected state; expected 'consumed', observed 'unconsumed'}}
}
void consumeFunc(ConsumableClass<int> P PARAM_TYPESTATE(unconsumed));
struct ParamTest {
static void consumeFuncStatic(ConsumableClass<int> P PARAM_TYPESTATE(unconsumed));
void consumeFuncMeth(ConsumableClass<int> P PARAM_TYPESTATE(unconsumed));
void operator<<(ConsumableClass<int> P PARAM_TYPESTATE(unconsumed));
};
void operator>>(ParamTest& pt, ConsumableClass<int> P PARAM_TYPESTATE(unconsumed));
void testFunctionParams() {
// Make sure we handle the different kinds of functions.
ConsumableClass<int> P;
consumeFunc(P); // expected-warning {{argument not in expected state; expected 'unconsumed', observed 'consumed'}}
ParamTest::consumeFuncStatic(P); // expected-warning {{argument not in expected state; expected 'unconsumed', observed 'consumed'}}
ParamTest pt;
pt.consumeFuncMeth(P); // expected-warning {{argument not in expected state; expected 'unconsumed', observed 'consumed'}}
pt << P; // expected-warning {{argument not in expected state; expected 'unconsumed', observed 'consumed'}}
pt >> P; // expected-warning {{argument not in expected state; expected 'unconsumed', observed 'consumed'}}
}
void baf3(ConsumableClass<int> var) {
*var;
}
void baf4(ConsumableClass<int> &var) {
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'unknown' state}}
}
void baf6(ConsumableClass<int> &&var) {
*var;
}
void testCallingConventions() {
ConsumableClass<int> var(42);
baf0(var);
*var;
baf1(var);
*var;
baf2(&var);
*var;
baf3(var);
*var;
baf4(var);
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'unknown' state}}
var = ConsumableClass<int>(42);
baf5(&var);
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'unknown' state}}
var = ConsumableClass<int>(42);
baf6(static_cast<ConsumableClass<int>&&>(var));
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'consumed' state}}
}
void testConstAndNonConstMemberFunctions() {
ConsumableClass<int> var(42);
var.constCall();
*var;
var.nonconstCall();
*var;
}
void testFunctionParam0(ConsumableClass<int> param) {
*param;
}
void testFunctionParam1(ConsumableClass<int> ¶m) {
*param; // expected-warning {{invalid invocation of method 'operator*' on object 'param' while it is in the 'unknown' state}}
}
void testReturnStates() {
ConsumableClass<int> var;
var = returnsUnconsumed();
*var;
var = returnsConsumed();
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'consumed' state}}
}
void testCallableWhen() {
ConsumableClass<int> var(42);
*var;
baf4(var);
var.callableWhenUnknown();
}
void testMoveAsignmentish() {
ConsumableClass<int> var0;
ConsumableClass<long> var1(42);
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
*var1;
var0 = static_cast<ConsumableClass<long>&&>(var1);
*var0;
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
var1 = ConsumableClass<long>(42);
var1 = nullptr;
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
}
void testConditionalMerge() {
ConsumableClass<int> var;
if (var.isValid()) {
// Empty
}
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'consumed' state}}
if (var.isValid()) {
// Empty
} else {
// Empty
}
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'consumed' state}}
}
void testSetTypestate() {
ConsumableClass<int> var(42);
*var;
var.consume();
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'consumed' state}}
var.unconsume();
*var;
}
void testConsumes0() {
ConsumableClass<int> var(nullptr);
*var; // expected-warning {{invalid invocation of method 'operator*' on object 'var' while it is in the 'consumed' state}}
}
void testConsumes1() {
ConsumableClass<int> var(42);
var.unconsumedCall();
var(6);
var.unconsumedCall(); // expected-warning {{invalid invocation of method 'unconsumedCall' on object 'var' while it is in the 'consumed' state}}
}
void testUnreachableBlock() {
ConsumableClass<int> var(42);
if (var) {
*var;
} else {
*var;
}
*var;
}
void testForLoop1() {
ConsumableClass<int> var0, var1(42);
for (int i = 0; i < 10; ++i) { // expected-warning {{state of variable 'var1' must match at the entry and exit of loop}}
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
*var1;
var1.consume();
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
}
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
}
void testWhileLoop1() {
int i = 10;
ConsumableClass<int> var0, var1(42);
while (i-- > 0) { // expected-warning {{state of variable 'var1' must match at the entry and exit of loop}}
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
*var1;
var1.consume();
*var1; // expected-warning {{invalid invocation of method 'operator*' on object 'var1' while it is in the 'consumed' state}}
}
*var0; // expected-warning {{invalid invocation of method 'operator*' on object 'var0' while it is in the 'consumed' state}}
}
// Tests if state information is correctly discarded for certain shapes of CFGs.
void testSwitchGOTO(void) {
int a;
LABEL0:
switch (a)
case 0:
goto LABEL0;
goto LABEL0;
}
typedef const int*& IntegerPointerReference;
void testIsRValueRefishAndCanonicalType(IntegerPointerReference a) {}
namespace ContinueICETest {
bool cond1();
bool cond2();
static void foo1() {
while (cond1()) {
if (cond2())
continue;
}
}
static void foo2() {
while (true) {
if (false)
continue;
}
}
class runtime_error
{
public:
virtual ~runtime_error();
};
void read(bool sf) {
while (sf) {
if(sf) throw runtime_error();
}
}
} // end namespace ContinueICETest
namespace StatusUseCaseTests {
class CONSUMABLE(unconsumed)
__attribute__((consumable_auto_cast_state))
__attribute__((consumable_set_state_on_read))
Status {
int code;
public:
static Status OK;
Status() RETURN_TYPESTATE(consumed);
Status(int c) RETURN_TYPESTATE(unconsumed);
Status(const Status &other);
Status(Status &&other);
Status& operator=(const Status &other) CALLABLE_WHEN("unknown", "consumed");
Status& operator=(Status &&other) CALLABLE_WHEN("unknown", "consumed");
bool operator==(const Status &other) const SET_TYPESTATE(consumed);
bool check() const SET_TYPESTATE(consumed);
void ignore() const SET_TYPESTATE(consumed);
// Status& markAsChecked() { return *this; }
void clear() CALLABLE_WHEN("unknown", "consumed") SET_TYPESTATE(consumed);
~Status() CALLABLE_WHEN("unknown", "consumed");
operator bool() const; // Will not consume the object.
};
bool cond();
Status doSomething();
void handleStatus(const Status& s RETURN_TYPESTATE(consumed));
void handleStatusRef(Status& s);
void handleStatusPtr(Status* s);
void handleStatusUnmarked(const Status& s);
void log(const char* msg);
void fail() __attribute__((noreturn));
void checkStat(const Status& s);
void testSimpleTemporaries0() {
doSomething(); // expected-warning {{invalid invocation of method '~Status' on a temporary object while it is in the 'unconsumed' state}}
}
void testSimpleTemporaries1() {
doSomething().ignore();
}
void testSimpleTemporaries2() {
handleStatus(doSomething());
}
void testSimpleTemporaries3() {
Status s = doSomething();
} // expected-warning {{invalid invocation of method '~Status' on object 's' while it is in the 'unconsumed' state}}
void testTemporariesWithControlFlow(bool a) {
bool b = false || doSomething(); // expected-warning {{invalid invocation of method '~Status' on a temporary object while it is in the 'unconsumed' state}}
}
Status testSimpleTemporariesReturn0() {
return doSomething();
}
Status testSimpleTemporariesReturn1() {
Status s = doSomething();
return s;
}
void testSimpleTemporaries4() {
Status s = doSomething();
s.check();
}
void testSimpleTemporaries5() {
Status s = doSomething();
s.clear(); // expected-warning {{invalid invocation of method 'clear' on object 's' while it is in the 'unconsumed' state}}
}
void testSimpleTemporaries6() {
Status s1 = doSomething();
handleStatus(s1);
Status s2 = doSomething();
handleStatusRef(s2);
Status s3 = doSomething();
handleStatusPtr(&s3);
Status s4 = doSomething();
handleStatusUnmarked(s4);
}
void testSimpleTemporaries7() {
Status s;
s = doSomething();
} // expected-warning {{invalid invocation of method '~Status' on object 's' while it is in the 'unconsumed' state}}
void testTemporariesWithConditionals0() {
int a;
Status s = doSomething();
if (cond()) a = 0;
else a = 1;
} // expected-warning {{invalid invocation of method '~Status' on object 's' while it is in the 'unconsumed' state}}
void testTemporariesWithConditionals1() {
int a;
Status s = doSomething();
if (cond()) a = 0;
else a = 1;
s.ignore();
}
void testTemporariesWithConditionals2() {
int a;
Status s = doSomething();
s.ignore();
if (cond()) a = 0;
else a = 1;
}
void testTemporariesWithConditionals3() {
Status s = doSomething();
if (cond()) {
s.check();
}
}
void testTemporariesAndConstructors0() {
Status s(doSomething()); // Test the copy constructor.
s.check();
}
void testTemporariesAndConstructors1F() {
Status s1 = doSomething(); // Test the copy constructor.
Status s2 = s1;
} // expected-warning {{invalid invocation of method '~Status' on object 's2' while it is in the 'unconsumed' state}}
void testTemporariesAndConstructors1S() {
Status s1 = doSomething(); // Test the copy constructor.
Status s2(s1);
s2.check();
}
void testTemporariesAndConstructors2F() {
// Test the move constructor.
Status s1 = doSomething();
Status s2 = static_cast<Status&&>(s1);
} // expected-warning {{invalid invocation of method '~Status' on object 's2' while it is in the 'unconsumed' state}}
void testTemporariesAndConstructors2S() {
// Test the move constructor.
Status s1 = doSomething();
Status s2 = static_cast<Status&&>(s1);
s2.check();
}
void testTemporariesAndOperators0F() {
// Test the assignment operator.
Status s1 = doSomething();
Status s2;
s2 = s1;
} // expected-warning {{invalid invocation of method '~Status' on object 's2' while it is in the 'unconsumed' state}}
void testTemporariesAndOperators0S() {
// Test the assignment operator.
Status s1 = doSomething();
Status s2;
s2 = s1;
s2.check();
}
void testTemporariesAndOperators1F() {
// Test the move assignment operator.
Status s1 = doSomething();
Status s2;
s2 = static_cast<Status&&>(s1);
} // expected-warning {{invalid invocation of method '~Status' on object 's2' while it is in the 'unconsumed' state}}
void testTemporariesAndOperators1S() {
// Test the move assignment operator.
Status s1 = doSomething();
Status s2;
s2 = static_cast<Status&&>(s1);
s2.check();
}
void testTemporariesAndOperators2() {
Status s1 = doSomething();
Status s2 = doSomething();
s1 = s2; // expected-warning {{invalid invocation of method 'operator=' on object 's1' while it is in the 'unconsumed' state}}
s1.check();
s2.check();
}
Status testReturnAutocast() {
Status s = doSomething();
s.check(); // consume s
return s; // should autocast back to unconsumed
}
namespace TestParens {
void test3() {
checkStat((doSomething()));
}
void test4() {
Status s = (doSomething());
s.check();
}
void test5() {
(doSomething()).check();
}
void test6() {
if ((doSomething()) == Status::OK)
return;
}
} // end namespace TestParens
} // end namespace InitializerAssertionFailTest
namespace std {
void move();
template<class T>
T &&move(T&);
namespace __1 {
void move();
template<class T>
T &&move(T&);
}
}
namespace PR18260 {
class X {
public:
void move();
} x;
void test() {
x.move();
std::move();
std::move(x); // expected-warning {{ignoring return value}}
std::__1::move();
std::__1::move(x);
}
} // end namespace PR18260
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