package com.examplehub.maths; import static org.junit.jupiter.api.Assertions.*; import org.junit.jupiter.api.Test; class FibonacciBigNumberTest { @Test void testFibonacciBigNumber() { assertEquals("1", FibonacciBigNumber.fibonacci(1)); assertEquals("1", FibonacciBigNumber.fibonacci(2)); assertEquals("144", FibonacciBigNumber.fibonacci(12)); } }