Last digit of fib and some renaming refactoring!

1 files changed, 32 insertions, 0 deletions

diff --git a/AlgoDesignAndTechniqueEdxJava/tests/FibLastDigitTest.java b/AlgoDesignAndTechniqueEdxJava/tests/FibLastDigitTest.java
new file mode 100644
index 0000000..4646c62
--- /dev/null
+++ b/AlgoDesignAndTechniqueEdxJava/tests/FibLastDigitTest.java
@@ -0,0 +1,32 @@
+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));
+	}
+
+}