CS计算机代考程序代写 Java junit package comp1110.ass1;

package comp1110.ass1;

import org.junit.jupiter.api.*;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static org.junit.jupiter.api.Assertions.assertEquals;

@Timeout(value = 1000, unit = MILLISECONDS)
@TestMethodOrder(MethodOrderer.OrderAnnotation.class)
public class IsPlacementWellFormedTest {

private void test(String input, boolean expected) {
boolean output = WalkTheDog.isPlacementWellFormed(input);
assertEquals(expected, output, “Expected isPlacementWellFormed called on ‘” + input +
“‘ to be ” + expected +
“, but got ” + output + “.”);
}

@Test
public void testTwoCharPlacements() {
// Check valid placements
for (int x = 0; x < 4; x++) { for (int y = 0; y < 4; y++) { test(x+""+y, true); } } // Check strings of wrong length for (int x = 0; x < 4; x++) { test(x+"", false); } test("", false); // Check strings of wrong characters for (int x = 0; x < 48; x++) { char c = (char) x; test(c+""+c, false); test("0"+c, false); test(c+"0", false); } for (int x = 52; x <= 255; x++) { char c = (char) x; test(c+""+c, false); test(c+""+0, false); } } @Test public void testFourCharPlacements() { // Check valid placements for (int x = 0; x < 4; x++) { for (int y = 0; y < 4; y++) { for (int x2 = 0; x2 < 4; x2++) { for (int y2 = 0; y2 < 4; y2++) { test(x + "" + y + x2 + y2, true); } } } } // Check strings of wrong length for (int x = 0; x < 4; x++) { String input = "x".repeat(3); test(input, false); input += x; for (int i = 0; i < 10; i++) { input += x; test(input, false); } } // Check strings of wrong characters for (int x = 0; x < 48; x++) { char c = (char) x; test(c + "000", false); test("0" + c + "00", false); test("00" + c + "0", false); test("000" + c, false); } } }