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| // RUN: %clang_analyze_cc1 -analyzer-checker=core.NullDereference,core.uninitialized.UndefReturn -std=c++11 %s -verify -o /dev/null
void test_static_assert() {
static_assert(sizeof(void *) == sizeof(void*), "test_static_assert");
}
void test_analyzer_working() {
int *p = 0;
*p = 0xDEADBEEF; // expected-warning {{null}}
}
// Test that pointer-to-member functions don't cause the analyzer
// to crash.
struct RDar10243398 {
void bar(int x);
};
typedef void (RDar10243398::*RDar10243398MemberFn)(int x);
void test_rdar10243398(RDar10243398 *p) {
RDar10243398MemberFn q = &RDar10243398::bar;
((*p).*(q))(1);
}
// Tests for CXXTemporaryObjectExpr.
struct X {
X( int *ip, int );
};
// Test to see if CXXTemporaryObjectExpr is being handled.
int tempobj1()
{
int j;
int i;
X a = X( &j, 1 );
return i; // expected-warning {{Undefined or garbage value returned to caller}}
}
// Test to see if CXXTemporaryObjectExpr invalidates arguments.
int tempobj2()
{
int j;
X a = X( &j, 1 );
return j; // no-warning
}
// Test for correct handling of C++ ForRange statement.
void test1() {
int array[2] = { 1, 2 };
int j = 0;
for ( int i : array )
j += i;
int *p = 0;
*p = 0xDEADBEEF; // expected-warning {{null}}
}
void test2() {
int array[2] = { 1, 2 };
int j = 0;
for (int i : array)
j += i;
if (j == 3)
return;
int *p = 0;
*p = 0xDEADBEEF; // no-warning
}
// Do not crash on the following when constructing the
// callgraph.
struct RDar11178609 {
~RDar11178609() = delete;
};
// Tests that dynamic_cast handles references to C++ classes. Previously
// this crashed.
class rdar11817693_BaseBase {};
class rdar11817693_BaseInterface {};
class rdar11817693_Base : public rdar11817693_BaseBase, public rdar11817693_BaseInterface {};
class rdar11817693 : public rdar11817693_Base {
virtual void operator=(const rdar11817693_BaseBase& src);
void operator=(const rdar11817693& src);
};
void rdar11817693::operator=(const rdar11817693& src) {
operator=(dynamic_cast<const rdar11817693_BaseBase&>(src));
}
|