misc-ps-cxx0x.cpp revision 21625c69e88d232e71a3bd4ba9d4bbb484183bf1 
1// RUN: %clang --analyze -std=c++11 %s -Xclang -verify -o /dev/null
2
3void test_static_assert() {
4  static_assert(sizeof(void *) == sizeof(void*), "test_static_assert");
5}
6
7void test_analyzer_working() {
8  int *p = 0;
9  *p = 0xDEADBEEF; // expected-warning {{null}}
10}
11
12// Test that pointer-to-member functions don't cause the analyzer
13// to crash.
14struct RDar10243398 {
15  void bar(int x);
16};
17
18typedef void (RDar10243398::*RDar10243398MemberFn)(int x);
19
20void test_rdar10243398(RDar10243398 *p) {
21  RDar10243398MemberFn q = &RDar10243398::bar;
22  ((*p).*(q))(1);
23}
24
25// Tests for CXXTemporaryObjectExpr.
26struct X {
27    X( int *ip, int );
28};
29
30// Test to see if CXXTemporaryObjectExpr is being handled.
31int tempobj1()
32{
33  int j;
34  int i;
35  X a = X( &j, 1 );
36
37  return i; // expected-warning {{Undefined or garbage value returned to caller}}
38}
39
40// Test to see if CXXTemporaryObjectExpr invalidates arguments.
41int tempobj2()
42{
43  int j;
44  X a = X( &j, 1 );
45
46  return j; // no-warning
47}
48
49
50// Test for correct handling of C++ ForRange statement.
51void test1() {
52  int array[2] = { 1, 2 };
53  int j = 0;
54  for ( int i : array )
55    j += i;
56  int *p = 0;
57  *p = 0xDEADBEEF;  // expected-warning {{null}}
58}
59
60void test2() {
61  int array[2] = { 1, 2 };
62  int j = 0;
63  for (int i : array)
64    j += i;
65  if (j == 3)
66    return;
67  int *p = 0;
68  *p = 0xDEADBEEF;  // no-warning
69}
70
71// Do not crash on the following when constructing the
72// callgraph.
73struct RDar11178609 {
74  ~RDar11178609() = delete;
75};
76
77// Tests that dynamic_cast handles references to C++ classes.  Previously
78// this crashed.
79class rdar11817693_BaseBase {};
80class rdar11817693_BaseInterface {};
81class rdar11817693_Base : public rdar11817693_BaseBase, public rdar11817693_BaseInterface {};
82class rdar11817693 : public rdar11817693_Base {
83  virtual void operator=(const rdar11817693_BaseBase& src);
84  void operator=(const rdar11817693& src);
85};
86void rdar11817693::operator=(const rdar11817693& src) {
87  operator=(dynamic_cast<const rdar11817693_BaseBase&>(src));
88}
89
90
91