blob: 164af5dc3dfe20e2ee81c922bd87c1dda88ce095 [file] [log] [blame]
Richard Smith762bb9d2011-10-13 22:29:44 +00001// RUN: %clang --analyze -std=c++11 %s -Xclang -verify -o /dev/null
Ted Kremenek29c9e622011-05-24 20:41:31 +00002
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
Ted Kremenekc8085032011-10-06 20:53:28 +000012// 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}
Ted Kremenek744f1cd2011-10-07 22:48:13 +000024
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}
Ted Kremenek46eaf772011-10-10 22:36:31 +000048
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
Ted Kremenekbb3d20f2012-04-05 04:03:23 +000071// Do not crash on the following when constructing the
72// callgraph.
73struct RDar11178609 {
74 ~RDar11178609() = delete;
75};
Ted Kremenek21625c62012-07-18 05:57:33 +000076
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