cpp11/cpp11test/src/test-external_pointer.cpp at main · josh28x/cpp11 · GitHub

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#include <iostream>

#include "cpp11/external_pointer.hpp"

#include <testthat.h>

bool deleted = false;

void deleter(int* ptr) {

deleted = true;

delete ptr;

}

context("external_pointer-C++") {

test_that("external_pointer works") {

std::vector<int>* v = new std::vector<int>;

v->push_back(1);

v->push_back(2);

cpp11::external_pointer<std::vector<int>> p(v);

expect_true(p->at(0) == 1);

expect_true(p->at(1) == 2);

p.release();

// Double release should be a no-op

p.release();

expect_true(p.get() == nullptr);

}

test_that("external_pointer works with a custom deleter") {

deleted = false;

cpp11::external_pointer<int, deleter> uniq(new int);

expect_true(deleted == false);

uniq.reset();

expect_true(deleted == true);

}