// 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); void operator*() CALLABLE_WHEN("unconsumed"); ~DestructorTester() CALLABLE_WHEN("consumed"); }; 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 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 testParamReturnTypestateCaller() { ConsumableClass<int> var; testParamReturnTypestateCallee(true, 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; 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> void move(T&&); namespace __1 { void move(); template<class T> void move(T&&); } } namespace PR18260 { class X { public: void move(); } x; void test() { x.move(); std::move(); std::move(x); std::__1::move(); std::__1::move(x); } } // end namespace PR18260