@@ -0,0 +1,523 @@
+package ru.revdaalex.calculator;%0A%0Aimport org.junit.Assert;%0Aimport org.junit.Test;%0Aimport static org.hamcrest.core.Is.is;%0A%0A/**%0A * Test Validator class.%0A * Created by RevdaAlex on 19.06.2016.%0A */%0Apublic class ValidatorTest %7B%0A    /**%0A     * Test validation user input.%0A     */%0A    @Test%0A    public void userInputVerificationNumber()%7B%0A        MockIO mockIO = new MockIO(new String%5B%5D%7B%221.7%22%7D);%0A        Validator validator = new Validator(mockIO);%0A        Assert.assertThat(validator.getDouble(%22%D0%92%D0%B2%D0%B5%D0%B4%D0%B8%D1%82%D0%B5 %D1%87%D0%B8%D1%81%D0%BB%D0%BE%22), is(1.7));%0A    %7D%0A%0A%7D

add ValidatorTest.java