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  • package cz.it4i.qcmp.utilities;
    
    import org.junit.jupiter.api.Assertions;
    import org.junit.jupiter.api.Test;
    
    class UtilsTest {
    
        @Test
        void multiplyExact() {
            final int a = 200;
            final int b = 54;
            final int c = 783;
    
            final int refResult = Math.multiplyExact(a, Math.multiplyExact(b, c));
            final int result = Utils.multiplyExact(a, b, c);
            Assertions.assertEquals(refResult, result);
        }
    }