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79 lines
1.3 KiB
79 lines
1.3 KiB
/*
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* Copyright (c) 2016-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#include <exception>
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#include <stdexcept>
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int deref(int* p) {
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if (p == 0) {
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throw "Null pointer!";
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}
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return *p;
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}
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int deref_null(int* p) {
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try {
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return *p;
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} catch (const char* msg) {
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}
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}
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int call_deref_with_null() { deref_null(nullptr); }
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void basic_throw_ok() { throw std::runtime_error("throwing!"); }
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int dead_deref_null_after_throw_ok() {
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int* i = nullptr;
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throw std::runtime_error("throwing!");
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return *i;
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}
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int FN_deref_null_in_catch_bad() {
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int* i = nullptr;
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try {
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throw std::runtime_error("error");
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} catch (...) {
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return *i;
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}
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return 0;
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}
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int FN_deref_null_after_catch_bad(int* i) {
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try {
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*i = 2;
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throw std::runtime_error("error");
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} catch (...) {
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i = nullptr;
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}
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return *i;
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}
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int FN_multiple_catches_bad(bool b) {
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int* i = nullptr;
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int* j = nullptr;
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try {
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if (b) {
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throw std::length_error("error");
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} else {
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throw std::range_error("error");
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}
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} catch (std::length_error& msg) {
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return *i;
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} catch (std::range_error& msg) {
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return *j;
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}
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return 0;
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}
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int main() {
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try {
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return deref(0);
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} catch (const char* msg) {
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return -1;
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}
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}
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