1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
// RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -analyzer-config c++-inlining=constructors -verify %s
void clang_analyzer_eval(bool);
struct A {
int x;
A(int a) { x = a; }
int getx() const { return x; }
};
struct B{
int x;
};
void testNullObject(A *a) {
clang_analyzer_eval(a); // expected-warning{{UNKNOWN}}
(void)a->getx(); // assume we know what we're doing
clang_analyzer_eval(a); // expected-warning{{TRUE}}
}
void f1() {
A x(3);
clang_analyzer_eval(x.getx() == 3); // expected-warning{{TRUE}}
}
void f2() {
const A &x = A(3);
clang_analyzer_eval(x.getx() == 3); // expected-warning{{TRUE}}
}
void f3() {
const A &x = (A)3;
clang_analyzer_eval(x.getx() == 3); // expected-warning{{TRUE}}
}
void f4() {
A x = 3;
clang_analyzer_eval(x.getx() == 3); // expected-warning{{TRUE}}
}
void checkThatCopyConstructorDoesNotInvalidateObjectBeingCopied() {
B t;
t.x = 0;
B t2(t);
clang_analyzer_eval(t.x == 0); // expected-warning{{TRUE}}
}
|
