LCD numbers' tests (java)

AllTests.java

package org.vivecodigo.katas.lcd;

import static junit.framework.Assert.*;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Suite;

@RunWith(Suite.class)
@Suite.SuiteClasses( { AllTests.TestUtils.class, AllTests.LCDTests.class })

public class AllTests {

	public static class TestUtils {

		@Test
		public void test_to_horiz() throws Exception {
			String data[][] = new String[][] { { "a", "b", "c" },
					{ "z", "y", "x" } };
			String expected[] = new String[] { "az", "by", "cx" };

			assertAreEqual(expected, Utils.arrangeHorizontally(data));
		}

		private void assertAreEqual(String[] expected, String[] actual) {
			String mensaje = "Longitudes no coinciden";
			assertEquals(mensaje, expected.length, actual.length);
			for (int i = 0; i < expected.length; i++) {
				mensaje = String.format("Renglón %d no coincide", i);
				assertEquals(mensaje, expected[i], actual[i]);
			}
		}
	}

	public static class LCDTests {

		@Test
		public void test_for_1() throws Exception {
			assertEquals(
					"   \n" +
					"  |\n" +
					"  |", LCD.ToLCD(1));
		}

		@Test
		public void test_for_2() throws Exception {
			assertEquals(
					" _ \n" +
					" _|\n" +
					"|_ ", LCD.ToLCD(2));
		}

		@Test
		public void test_for_3() throws Exception {
			assertEquals(
					" _ \n" +
					" _|\n" +
					" _|", LCD.ToLCD(3));
		}

		@Test
		public void test_for_4() throws Exception {
			assertEquals(
					"   \n" +
					"|_|\n" +
					"  |", LCD.ToLCD(4));
		}

		@Test
		public void test_for_5() throws Exception {
			assertEquals(
					" _ \n" +
					"|_ \n" +
					" _|", LCD.ToLCD(5));
		}

		@Test
		public void test_for_6() throws Exception {
			assertEquals(
					" _ \n" +
					"|_ \n" +
					"|_|", LCD.ToLCD(6));
		}

		@Test
		public void test_for_7() throws Exception {
			assertEquals(
					" _ \n" +
					"  |\n" +
					"  |", LCD.ToLCD(7));
		}

		@Test
		public void test_for_8() throws Exception {
			assertEquals(
					" _ \n" + 
					"|_|\n" +
					"|_|", LCD.ToLCD(8));
		}

		@Test
		public void test_for_9() throws Exception {
			assertEquals(
					" _ \n" + 
					"|_|\n" + 
					" _|", LCD.ToLCD(9));
		}

		@Test
		public void test_for_0() throws Exception {
			assertEquals(
					" _ \n" + 
					"| |\n" + 
					"|_|", LCD.ToLCD(0));
		}

		@Test
		public void test_for_10() throws Exception {
			assertEquals(
					"    _ \n" +
					"  || |\n" + 
					"  ||_|", LCD.ToLCD(10));
		}

		@Test
		public void test_for_85246() throws Exception {
			assertEquals(
					" _  _  _     _ \n" +
					"|_||_  _||_||_ \n" + 
					"|_| _||_   ||_|", LCD.ToLCD(85246));
		}
	}
}