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); } }