Started verification tests

src/test/java/com/mattrixwv/project_euler/problems/TestProblem4.java

@@ -0,0 +1,60 @@
+package com.mattrixwv.project_euler.problems;
+
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+import com.mattrixwv.project_euler.exceptions.Unsolved;
+
+
+@ExtendWith(MockitoExtension.class)
+public class TestProblem4 extends BaseTest{
+	@InjectMocks
+	private Problem4 problem;
+
+
+	@Test
+	@Override
+	public void testDescription(){
+		assertEquals("Find the largest palindrome made from the product of two 3-digit numbers", problem.getDescription());
+		assertFalse(problem.getSolved());
+	}
+
+	@Test
+	@Override
+	public void testSolve(){
+		assertThrows(Unsolved.class, () -> { problem.getPalindromes(); });
+		assertThrows(Unsolved.class, () -> { problem.getLargestPalindrome(); });
+
+		problem.solve();
+
+		//verify result
+		assertEquals(1239, problem.getPalindromes().size());
+		assertEquals(906609, problem.getLargestPalindrome());
+		assertEquals("The largest palindrome is 906609", problem.getResult());
+		//verify the problem variables and functions were called
+		verifyProblem(problem);
+
+		//Verify the problem won't be run again
+		verifyProblemSecondRun(problem);
+	}
+
+	@Test
+	@Override
+	public void testReset(){
+		problem.reset();
+
+		//Verify solved was reset
+		assertFalse(problem.getSolved());
+		super.testReset();
+
+		//Verify the problem can be solved again
+		testSolve();
+	}
+}