HigherLowerPowerOfTwoTest.java

packagecom.thealgorithms.bitmanipulation;

importstaticorg.junit.jupiter.api.Assertions.assertEquals;

importorg.junit.jupiter.api.Test;

publicclassHigherLowerPowerOfTwoTest {

@Test
publicvoidtestNextHigherPowerOfTwo() {
assertEquals(32, HigherLowerPowerOfTwo.nextHigherPowerOfTwo(19)); // next higher power of two is 32
assertEquals(1, HigherLowerPowerOfTwo.nextHigherPowerOfTwo(1)); // next higher power of two is 1
assertEquals(16, HigherLowerPowerOfTwo.nextHigherPowerOfTwo(15)); // next higher power of two is 16
assertEquals(8, HigherLowerPowerOfTwo.nextHigherPowerOfTwo(8)); // next higher power of two is 8
assertEquals(16, HigherLowerPowerOfTwo.nextHigherPowerOfTwo(9)); // next higher power of two is 16
 }

@Test
publicvoidtestNextLowerPowerOfTwo() {
assertEquals(16, HigherLowerPowerOfTwo.nextLowerPowerOfTwo(19)); // next lower power of two is 16
assertEquals(1, HigherLowerPowerOfTwo.nextLowerPowerOfTwo(1)); // next lower power of two is 1
assertEquals(8, HigherLowerPowerOfTwo.nextLowerPowerOfTwo(9)); // next lower power of two is 8
assertEquals(8, HigherLowerPowerOfTwo.nextLowerPowerOfTwo(15)); // next lower power of two is 8
assertEquals(8, HigherLowerPowerOfTwo.nextLowerPowerOfTwo(8)); // next lower power of two is 8
 }
}