forked from OSchip/llvm-project
87 lines
2.4 KiB
C++
87 lines
2.4 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -analyze \
|
|
// RUN: -analyzer-checker=core,debug.ExprInspection %s -verify
|
|
|
|
// These test cases demonstrate lack of Static Analyzer features.
|
|
// The FIXME: tags indicate where we expect different output.
|
|
|
|
// Handle constructors within new[].
|
|
|
|
// When an array of objects is allocated using the operator new[],
|
|
// constructors for all elements of the array are called.
|
|
// We should model (potentially some of) such evaluations,
|
|
// and the same applies for destructors called from operator delete[].
|
|
|
|
void clang_analyzer_eval(bool);
|
|
|
|
struct init_with_list {
|
|
int a;
|
|
init_with_list() : a(1) {}
|
|
};
|
|
|
|
struct init_in_body {
|
|
int a;
|
|
init_in_body() { a = 1; }
|
|
};
|
|
|
|
struct init_default_member {
|
|
int a = 1;
|
|
};
|
|
|
|
void test_automatic() {
|
|
|
|
init_with_list a1;
|
|
init_in_body a2;
|
|
init_default_member a3;
|
|
|
|
clang_analyzer_eval(a1.a == 1); // expected-warning {{TRUE}}
|
|
clang_analyzer_eval(a2.a == 1); // expected-warning {{TRUE}}
|
|
clang_analyzer_eval(a3.a == 1); // expected-warning {{TRUE}}
|
|
}
|
|
|
|
void test_dynamic() {
|
|
|
|
auto *a1 = new init_with_list;
|
|
auto *a2 = new init_in_body;
|
|
auto *a3 = new init_default_member;
|
|
|
|
clang_analyzer_eval(a1->a == 1); // expected-warning {{TRUE}}
|
|
clang_analyzer_eval(a2->a == 1); // expected-warning {{TRUE}}
|
|
clang_analyzer_eval(a3->a == 1); // expected-warning {{TRUE}}
|
|
|
|
delete a1;
|
|
delete a2;
|
|
delete a3;
|
|
}
|
|
|
|
void test_automatic_aggregate() {
|
|
|
|
init_with_list a1[1];
|
|
init_in_body a2[1];
|
|
init_default_member a3[1];
|
|
|
|
// FIXME: Should be TRUE, not FALSE.
|
|
clang_analyzer_eval(a1[0].a == 1); // expected-warning {{TRUE}} expected-warning {{FALSE}}
|
|
// FIXME: Should be TRUE, not FALSE.
|
|
clang_analyzer_eval(a2[0].a == 1); // expected-warning {{TRUE}} expected-warning {{FALSE}}
|
|
// FIXME: Should be TRUE, not FALSE.
|
|
clang_analyzer_eval(a3[0].a == 1); // expected-warning {{TRUE}} expected-warning {{FALSE}}
|
|
}
|
|
|
|
void test_dynamic_aggregate() {
|
|
|
|
auto *a1 = new init_with_list[1];
|
|
auto *a2 = new init_in_body[1];
|
|
auto *a3 = new init_default_member[1];
|
|
|
|
// FIXME: Should be TRUE, not FALSE.
|
|
clang_analyzer_eval(a1[0].a == 1); // expected-warning {{TRUE}} expected-warning {{FALSE}}
|
|
// FIXME: Should be TRUE, not FALSE.
|
|
clang_analyzer_eval(a2[0].a == 1); // expected-warning {{TRUE}} expected-warning {{FALSE}}
|
|
// FIXME: Should be TRUE, not FALSE.
|
|
clang_analyzer_eval(a3[0].a == 1); // expected-warning {{TRUE}} expected-warning {{FALSE}}
|
|
|
|
delete[] a1;
|
|
delete[] a2;
|
|
delete[] a3;
|
|
}
|