@@ -0,0 +1,652 @@
+package ru.job4;%0A%0Aimport org.junit.Test;%0Aimport static org.hamcrest.core.Is.is;%0Aimport static org.junit.Assert.assertThat;%0A%0A/**%0A * CounterTest class.%0A * @author ayuzyak.%0A * @version 1.%0A * @since 18.12.2016.%0A */%0Apublic class CounterTest %7B%0A%0A    /**%0A     * Summ of even numbers from 1 to 4%0A     */%0A    @Test%0A    public void whenEvenOneToFourThenSix() %7B%0A        Counter counter = new Counter();%0A        assertThat(counter.add(1,4), is(6));%0A    %7D%0A%0A    /**%0A     * Summ of even numbers from 1 to 10%0A     */%0A    @Test%0A    public void whenEvenOneToTenThenThirty() %7B%0A        Counter counter = new Counter();%0A        assertThat(counter.add(1,10), is(30));%0A    %7D%0A%7D

add CounterTest.java