@@ -0,0 +1,424 @@
+package ru.job4j;%0A%0Aimport org.junit.Test;%0Aimport static org.hamcrest.core.Is.is;%0Aimport static org.junit.Assert.assertThat;%0A%0A/**.%0A* Test programm Counter%0A*%0A* @author Anton Vasilyuk%0A* @version 1.0%0A* @since 0.1%0A*/%0A%0Apublic class CounterTest %7B%0A%0A%09/**.%0A%09* Test body%0A%09*/%0A%09@Test%0A%09public void whenIsMoreNumberThenSummEvenNumber() %7B%0A%09%09Counter counter = new Counter();%0A%09%09int summ = counter.add(1, 10);%0A%09%09assertThat(summ, is(30));%0A%0A%09%7D%0A%7D

add file for chapter_001_4.1