forked from OSchip/llvm-project
48 lines
1005 B
C++
48 lines
1005 B
C++
// 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}}
|
|
}
|