util/generic/scope_ut.cpp


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#include "scope.h"

#include <util/generic/ptr.h> 
#include <library/cpp/testing/unittest/registar.h>

Y_UNIT_TEST_SUITE(ScopeToolsTest) {
    Y_UNIT_TEST(OnScopeExitTest) {
        int i = 0;

        {
            Y_SCOPE_EXIT(&i) {
                i = i * 2;
            };

            Y_SCOPE_EXIT(&i) {
                i = i + 1;
            };
        }

        UNIT_ASSERT_VALUES_EQUAL(2, i);
    }

    Y_UNIT_TEST(OnScopeExitMoveTest) {
        THolder<int> i{new int{10}}; 
        int p = 0;

        {
            Y_SCOPE_EXIT(i = std::move(i), &p) {
                p = *i * 2;
            };
        }

        UNIT_ASSERT_VALUES_EQUAL(20, p);
    }
 
    Y_UNIT_TEST(TestDefer) { 
        int i = 0; 
 
        { 
            Y_DEFER { 
                i = 20; 
            }; 
        } 
 
        UNIT_ASSERT_VALUES_EQUAL(i, 20); 
    } 
}