Files
clang-p2996/clang/test/Analysis/virtualcall.cpp
Dominic Chen 184c6242fa Reland 4: [analyzer] NFC: Update test infrastructure to support multiple constraint managers
Summary: Replace calls to %clang/%clang_cc1 with %clang_analyze_cc1 when invoking static analyzer, and perform runtime substitution to select the appropriate constraint manager, per D28952.

Reviewers: xazax.hun, NoQ, zaks.anna, dcoughlin

Subscribers: mgorny, rgov, mikhail.ramalho, a.sidorin, cfe-commits

Differential Revision: https://reviews.llvm.org/D30373

llvm-svn: 296895
2017-03-03 18:02:02 +00:00

142 lines
3.5 KiB
C++

// RUN: %clang_analyze_cc1 -analyzer-checker=optin.cplusplus.VirtualCall -analyzer-store region -verify -std=c++11 %s
// RUN: %clang_analyze_cc1 -analyzer-checker=optin.cplusplus.VirtualCall -analyzer-store region -analyzer-config optin.cplusplus.VirtualCall:Interprocedural=true -DINTERPROCEDURAL=1 -verify -std=c++11 %s
// RUN: %clang_analyze_cc1 -analyzer-checker=optin.cplusplus.VirtualCall -analyzer-store region -analyzer-config optin.cplusplus.VirtualCall:PureOnly=true -DPUREONLY=1 -verify -std=c++11 %s
/* When INTERPROCEDURAL is set, we expect diagnostics in all functions reachable
from a constructor or destructor. If it is not set, we expect diagnostics
only in the constructor or destructor.
When PUREONLY is set, we expect diagnostics only for calls to pure virtual
functions not to non-pure virtual functions.
*/
class A {
public:
A();
A(int i);
~A() {};
virtual int foo() = 0; // from Sema: expected-note {{'foo' declared here}}
virtual void bar() = 0;
void f() {
foo();
#if INTERPROCEDURAL
// expected-warning-re@-2 {{{{^}}Call Path : foo <-- fCall to pure virtual function during construction has undefined behavior}}
#endif
}
};
class B : public A {
public:
B() {
foo();
#if !PUREONLY
#if INTERPROCEDURAL
// expected-warning-re@-3 {{{{^}}Call Path : fooCall to virtual function during construction will not dispatch to derived class}}
#else
// expected-warning-re@-5 {{{{^}}Call to virtual function during construction will not dispatch to derived class}}
#endif
#endif
}
~B();
virtual int foo();
virtual void bar() { foo(); }
#if INTERPROCEDURAL
// expected-warning-re@-2 {{{{^}}Call Path : foo <-- barCall to virtual function during destruction will not dispatch to derived class}}
#endif
};
A::A() {
f();
}
A::A(int i) {
foo(); // From Sema: expected-warning {{call to pure virtual member function 'foo' has undefined behavior}}
#if INTERPROCEDURAL
// expected-warning-re@-2 {{{{^}}Call Path : fooCall to pure virtual function during construction has undefined behavior}}
#else
// expected-warning-re@-4 {{{{^}}Call to pure virtual function during construction has undefined behavior}}
#endif
}
B::~B() {
this->B::foo(); // no-warning
this->B::bar();
this->foo();
#if !PUREONLY
#if INTERPROCEDURAL
// expected-warning-re@-3 {{{{^}}Call Path : fooCall to virtual function during destruction will not dispatch to derived class}}
#else
// expected-warning-re@-5 {{{{^}}Call to virtual function during destruction will not dispatch to derived class}}
#endif
#endif
}
class C : public B {
public:
C();
~C();
virtual int foo();
void f(int i);
};
C::C() {
f(foo());
#if !PUREONLY
#if INTERPROCEDURAL
// expected-warning-re@-3 {{{{^}}Call Path : fooCall to virtual function during construction will not dispatch to derived class}}
#else
// expected-warning-re@-5 {{{{^}}Call to virtual function during construction will not dispatch to derived class}}
#endif
#endif
}
class D : public B {
public:
D() {
foo(); // no-warning
}
~D() { bar(); }
int foo() final;
void bar() final { foo(); } // no-warning
};
class E final : public B {
public:
E() {
foo(); // no-warning
}
~E() { bar(); }
int foo() override;
};
// Regression test: don't crash when there's no direct callee.
class F {
public:
F() {
void (F::* ptr)() = &F::foo;
(this->*ptr)();
}
void foo();
};
int main() {
A *a;
B *b;
C *c;
D *d;
E *e;
F *f;
}
#include "virtualcall.h"
#define AS_SYSTEM
#include "virtualcall.h"
#undef AS_SYSTEM