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// RUN: %clang_analyze_cc1 -std=c++11 -analyzer-checker=core,cplusplus,alpha.cplusplus.InvalidatedIterator -analyzer-config aggressive-binary-operation-simplification=true -analyzer-config c++-container-inlining=false %s -verify
// RUN: %clang_analyze_cc1 -std=c++11 -analyzer-checker=core,cplusplus,alpha.cplusplus.InvalidatedIterator -analyzer-config aggressive-binary-operation-simplification=true -analyzer-config c++-container-inlining=true -DINLINE=1 %s -verify
#include "Inputs/system-header-simulator-cxx.h"
void clang_analyzer_warnIfReached();
void normal_dereference(std::vector<int> &V) {
auto i = V.cbegin();
*i; // no-warning
}
void invalidated_dereference(std::vector<int> &V) {
auto i = V.cbegin();
V.erase(i);
*i; // expected-warning{{Invalidated iterator accessed}}
}
void normal_prefix_increment(std::vector<int> &V) {
auto i = V.cbegin();
++i; // no-warning
}
void invalidated_prefix_increment(std::vector<int> &V) {
auto i = V.cbegin();
V.erase(i);
++i; // expected-warning{{Invalidated iterator accessed}}
}
void normal_prefix_decrement(std::vector<int> &V) {
auto i = ++V.cbegin();
--i; // no-warning
}
void invalidated_prefix_decrement(std::vector<int> &V) {
auto i = ++V.cbegin();
V.erase(i);
--i; // expected-warning{{Invalidated iterator accessed}}
}
void normal_postfix_increment(std::vector<int> &V) {
auto i = V.cbegin();
i++; // no-warning
}
void invalidated_postfix_increment(std::vector<int> &V) {
auto i = V.cbegin();
V.erase(i);
i++; // expected-warning{{Invalidated iterator accessed}}
}
void normal_postfix_decrement(std::vector<int> &V) {
auto i = ++V.cbegin();
i--; // no-warning
}
void invalidated_postfix_decrement(std::vector<int> &V) {
auto i = ++V.cbegin();
V.erase(i);
i--; // expected-warning{{Invalidated iterator accessed}}
}
void normal_increment_by_2(std::vector<int> &V) {
auto i = V.cbegin();
i += 2; // no-warning
}
void invalidated_increment_by_2(std::vector<int> &V) {
auto i = V.cbegin();
V.erase(i);
i += 2; // expected-warning{{Invalidated iterator accessed}}
}
void normal_increment_by_2_copy(std::vector<int> &V) {
auto i = V.cbegin();
auto j = i + 2; // no-warning
}
void invalidated_increment_by_2_copy(std::vector<int> &V) {
auto i = V.cbegin();
V.erase(i);
auto j = i + 2; // expected-warning{{Invalidated iterator accessed}}
}
void normal_decrement_by_2(std::vector<int> &V) {
auto i = V.cbegin();
i -= 2; // no-warning
}
void invalidated_decrement_by_2(std::vector<int> &V) {
auto i = V.cbegin();
V.erase(i);
i -= 2; // expected-warning{{Invalidated iterator accessed}}
}
void normal_decrement_by_2_copy(std::vector<int> &V) {
auto i = V.cbegin();
auto j = i - 2; // no-warning
}
void invalidated_decrement_by_2_copy(std::vector<int> &V) {
auto i = V.cbegin();
V.erase(i);
auto j = i - 2; // expected-warning{{Invalidated iterator accessed}}
}
void normal_subscript(std::vector<int> &V) {
auto i = V.cbegin();
i[1]; // no-warning
}
void invalidated_subscript(std::vector<int> &V) {
auto i = V.cbegin();
V.erase(i);
i[1]; // expected-warning{{Invalidated iterator accessed}}
}
void assignment(std::vector<int> &V) {
auto i = V.cbegin();
V.erase(i);
auto j = V.cbegin(); // no-warning
}
template<typename T>
struct cont_with_ptr_iterator {
T *begin() const;
T *end() const;
T &operator[](size_t);
void push_back(const T&);
T* erase(T*);
};
void invalidated_dereference_end_ptr_iterator(cont_with_ptr_iterator<int> &C) {
auto i = C.begin();
C.erase(i);
(void) *i; // expected-warning{{Invalidated iterator accessed}}
}
void invalidated_prefix_increment_end_ptr_iterator(
cont_with_ptr_iterator<int> &C) {
auto i = C.begin();
C.erase(i);
++i; // expected-warning{{Invalidated iterator accessed}}
}
void invalidated_prefix_decrement_end_ptr_iterator(
cont_with_ptr_iterator<int> &C) {
auto i = C.begin() + 1;
C.erase(i);
--i; // expected-warning{{Invalidated iterator accessed}}
}
void invalidated_postfix_increment_end_ptr_iterator(
cont_with_ptr_iterator<int> &C) {
auto i = C.begin();
C.erase(i);
i++; // expected-warning{{Invalidated iterator accessed}}
}
void invalidated_postfix_decrement_end_ptr_iterator(
cont_with_ptr_iterator<int> &C) {
auto i = C.begin() + 1;
C.erase(i);
i--; // expected-warning{{Invalidated iterator accessed}}
}
void invalidated_increment_by_2_end_ptr_iterator(
cont_with_ptr_iterator<int> &C) {
auto i = C.begin();
C.erase(i);
i += 2; // expected-warning{{Invalidated iterator accessed}}
}
void invalidated_increment_by_2_copy_end_ptr_iterator(
cont_with_ptr_iterator<int> &C) {
auto i = C.begin();
C.erase(i);
auto j = i + 2; // expected-warning{{Invalidated iterator accessed}}
}
void invalidated_decrement_by_2_end_ptr_iterator(
cont_with_ptr_iterator<int> &C) {
auto i = C.begin();
C.erase(i);
i -= 2; // expected-warning{{Invalidated iterator accessed}}
}
void invalidated_decrement_by_2_copy_end_ptr_iterator(
cont_with_ptr_iterator<int> &C) {
auto i = C.begin();
C.erase(i);
auto j = i - 2; // expected-warning{{Invalidated iterator accessed}}
}
void invalidated_subscript_end_ptr_iterator(cont_with_ptr_iterator<int> &C) {
auto i = C.begin();
C.erase(i);
(void) i[1]; // expected-warning{{Invalidated iterator accessed}}
}
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