@Test
public void testShifts() {
Slice sl;
sl = new Slice().setLength(12);
sl.setStop(2);
assertEquals(2, sl.getNumSteps());
assertFalse(sl.setPosition(5));
assertEquals(5, (int) sl.getStart());
assertEquals(7, (int) sl.getStop());
sl.setStart(5);
assertEquals(5, (int) sl.getStart());
assertTrue(sl.setPosition(11));
}
@Test
public void testSliceSteps() {
Slice sl;
sl = new Slice(null, null, 3).setLength(1);
assertEquals(1, sl.getNumSteps());
sl = new Slice(null, null, 3).setLength(2);
assertEquals(1, sl.getNumSteps());
sl = new Slice(null, null, 3).setLength(3);
assertEquals(1, sl.getNumSteps());
sl = new Slice(null, null, 3).setLength(4);
assertEquals(2, sl.getNumSteps());
sl = new Slice(null, null, 3).setLength(5);
assertEquals(2, sl.getNumSteps());
sl = new Slice(null, null, 3).setLength(6);
assertEquals(2, sl.getNumSteps());
sl = new Slice(null, null, 3).setLength(7);
assertEquals(3, sl.getNumSteps());
sl = new Slice(null, null, 3).setLength(8);
assertEquals(3, sl.getNumSteps());
sl = new Slice(null, null, 3).setLength(9);
assertEquals(3, sl.getNumSteps());
sl = new Slice().setLength(12);
assertEquals(12, sl.getNumSteps());
sl = new Slice(null, null, 2).setLength(12);
assertEquals(6, sl.getNumSteps());
sl = new Slice(1, null).setLength(12);
assertEquals(11, sl.getNumSteps());
sl = new Slice(1, null, 2).setLength(12);
assertEquals(6, sl.getNumSteps());
sl = new Slice(1, null, -2).setLength(12);
assertEquals(1, sl.getNumSteps());
sl = new Slice(null, null, -1).setLength(12);
assertEquals(12, sl.getNumSteps());
sl = new Slice(null, null, -2).setLength(12);
assertEquals(6, sl.getNumSteps());
sl = new Slice(6, null, -2).setLength(12);
assertEquals(4, sl.getNumSteps());
sl = new Slice(6, 1, -2).setLength(12);
assertEquals(3, sl.getNumSteps());
sl = new Slice(6, 0, -2).setLength(12);
assertEquals(3, sl.getNumSteps());
try {
sl = new Slice();
sl.getNumSteps();
fail("No exception thrown");
} catch (IllegalStateException ise) {
// passed
} catch (Exception e) {
fail("Wrong exception type passed, this should give an IllegalStateException");
}
sl = new Slice(12);
assertEquals(12, sl.getNumSteps());
sl = new Slice(1, 12);
assertEquals(11, sl.getNumSteps());
sl = new Slice(12, 1);
assertEquals(0, sl.getNumSteps());
sl = new Slice(1, 12, 2);
assertEquals(6, sl.getNumSteps());
sl = new Slice(1, 12, 12);
assertEquals(1, sl.getNumSteps());
sl = new Slice(12, 1, -1);
assertEquals(11, sl.getNumSteps());
sl = new Slice(1, 12, -1);
assertEquals(0, sl.getNumSteps());
sl = new Slice(12, 1, -2);
assertEquals(6, sl.getNumSteps());
sl = new Slice(12, 1, -12);
assertEquals(1, sl.getNumSteps());
sl = new Slice(null, 11, 1);
assertEquals(11, sl.getNumSteps());
try {
sl = new Slice(11, null, -1);
sl.getNumSteps();
fail("No exception thrown");
} catch (IllegalStateException ise) {
// passed
} catch (Exception e) {
fail("Wrong exception type passed, this should give an IllegalStateException");
}
sl = new Slice(null, null, 15).setLength(4096);
assertEquals(274, sl.getNumSteps());
}
