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import static org.junit.jupiter.api.Assertions.*;
import org.junit.jupiter.api.Test;
public class FibLastDigitTest {
@Test
void testFibonacci0() {
assertEquals(0, FibLastDigit.lastDigitNaive(0));
assertEquals(0, FibLastDigit.lastDigitOptimized(0));
}
@Test
void testFibonacci1() {
assertEquals(1, FibLastDigit.lastDigitNaive(1));
assertEquals(2, FibLastDigit.lastDigitNaive(3));
assertEquals(1, FibLastDigit.lastDigitOptimized(1));
assertEquals(2, FibLastDigit.lastDigitOptimized(3));
}
@Test
void testFibonacci40() {
assertEquals(5, FibLastDigit.lastDigitNaive(40));
assertEquals(5, FibLastDigit.lastDigitOptimized(40));
assertEquals(9, FibLastDigit.lastDigitOptimized(331));
assertEquals(5, FibLastDigit.lastDigitOptimized(327305));
// assertEquals(1, Fibonacci.fib_optimized1(2));
// assertEquals(2, Fibonacci.fib_optimized1(3));
// assertEquals(3, Fibonacci.fib_optimized1(4));
// assertEquals(102334155, Fibonacci.fib_optimized1(40));
}
}
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