Add oving 1

src/test/java/oving1/DigitTest.java

@@ -0,0 +1,69 @@
+package oving1;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+
+public class DigitTest {
+
+	private String digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+
+	@Test
+	@DisplayName("Constructor")
+	public void testConstructor() {
+		Digit digit = new Digit(10);
+		assertEquals(0, digit.getValue(), "Wrong value when using constructor");
+		assertEquals(10, digit.getBase(), "Wrong base when using constructor");
+	}
+
+	@Test
+	@DisplayName("Increment value")
+	public void testIncrementedValue() {
+		for (int base = 2; base < 17; base++) {
+			Digit digit = new Digit(base);
+			assertEquals(0, digit.getValue(), "Wrong value for created digit");
+
+			int i = 1;
+
+			while (i < base) {
+				boolean result = digit.increment();
+				assertEquals(i, digit.getValue(), "The value was not incremented correctly");
+				assertFalse(result,
+						"Increment should return false when the value is less than the base");
+				i++;
+			}
+
+			boolean result = digit.increment();
+			assertEquals(0, digit.getValue(),
+					"The value was not reset to 0 when it became equal to the base");
+			assertTrue(result, "Increment should return true when the value is reset to 0");
+		}
+	}
+
+	@Test
+	@DisplayName("Increment value and convert to string")
+	public void testIncrementedToString() {
+		for (int base = 2; base < 17; base++) {
+			Digit digit = new Digit(base);
+			assertEquals("0", digit.toString(), "Wrong string representation");
+
+			int i = 1;
+
+			while (i < base) {
+				boolean result = digit.increment();
+				assertEquals(String.valueOf(digits.charAt(i)), digit.toString(),
+						"Wrong string representation");
+				assertFalse(result,
+						"Increment should return false when the value is less than the base");
+				i++;
+			}
+
+			boolean result = digit.increment();
+			assertEquals("0", digit.toString(), "Wrong string representation");
+			assertTrue(result, "Increment should return true when the value is reset to 0");
+		}
+	}
+}