/** Unit test for Tuple.getField() and Tuple.setField() */
@Test
public void modifyFields() {
TupleDesc td = Utility.getTupleDesc(2);
Tuple tup = new Tuple(td);
tup.setField(0, new IntField(-1));
tup.setField(1, new IntField(0));
assertEquals(new IntField(-1), tup.getField(0));
assertEquals(new IntField(0), tup.getField(1));
tup.setField(0, new IntField(1));
tup.setField(1, new IntField(37));
assertEquals(new IntField(1), tup.getField(0));
assertEquals(new IntField(37), tup.getField(1));
}
@Test
public void new_toStringTest() {
int length = 10;
String name = "td";
Tuple t = new Tuple(Utility.getTupleDesc(length, name));
for (int i = 0; i < length; i++) {
t.setField(i, new TestField());
}
String tString = t.toString();
// Last character should be \n.
assertEquals("\n", tString.substring(tString.length() - 1));
// Only last character is \n.
assertFalse(tString.substring(0, tString.length() - 1).contains("\n"));
// Split string on any white character.
String[] tStringAr = tString.substring(0, tString.length() - 1).split("\\s+");
assertEquals(length, tStringAr.length);
}