@@ -0,0 +1,467 @@
+package ru.ematveev.arraysquare;%0A%0Aimport org.junit.Test;%0Aimport static org.hamcrest.core.Is.is;%0Aimport static org.junit.Assert.*;%0Aimport static org.hamcrest.number.IsCloseTo.closeTo;%0A%0A%0Apublic class ArraySquareTest%7B%0A%09@Test%0A%09public void arraySquareTest()%7B%0A%09ArraySquare array = new ArraySquare();%0A%09int %5B%5D%5B%5D arr = new int%5B%5D%5B%5D%7B%0A%09%09%7B1, 2, 3%7D,%0A%09%09%7B4, 5, 6%7D,%0A%09%09%7B7, 8, 9%7D%0A%09%7D;%0A%09assertThat((array.arraySquare(arr)), is(new int%5B%5D%5B%5D%7B%0A%09%09%7B7, 4, 1%7D,%0A%09%09%7B8, 5, 2%7D,%0A%09%09%7B9, 6, 3%7D%0A%09%7D));%0A%7D%0A%0A%7D

add ArraySquareTest.java