/** Test of intArr2Str method, of class IOUtils. */
@Test
public void testIntArr2Str() {
System.out.println("intArr2Str");
int[] idxRing = {1, 2, 3};
String expResult = "1 2 3";
String result = IOUtils.intArr2Str(idxRing);
assertEquals(expResult, result);
}
