@Test
public void testConverters() {
int[] start = new int[1];
int[] stop = new int[1];
int[] step = new int[1];
int[] shape = new int[] {12};
Slice.convertFromSlice(new Slice[] {null}, shape, start, stop, step);
assertEquals(0, start[0]);
assertEquals(12, stop[0]);
assertEquals(1, step[0]);
Slice.convertFromSlice(
new Slice[] {new Slice(1, 11, 2).setLength(12)}, shape, start, stop, step);
assertEquals(1, start[0]);
assertEquals(11, stop[0]);
assertEquals(2, step[0]);
Slice.convertFromSlice(new Slice[] {new Slice().setLength(12)}, shape, start, stop, step);
assertEquals(0, start[0]);
assertEquals(12, stop[0]);
assertEquals(1, step[0]);
Slice[] sl = Slice.convertToSlice(start, stop, step);
assertEquals(1, sl.length);
assertEquals(0, (int) sl[0].getStart());
assertEquals(12, (int) sl[0].getStop());
assertEquals(1, sl[0].getStep());
sl = Slice.convertFromString("[:,:,:,:]");
assertEquals(4, sl.length);
assertEquals(0, (int) sl[0].getStart());
assertEquals(0, (int) sl[1].getStart());
assertEquals(0, (int) sl[2].getStart());
assertEquals(0, (int) sl[3].getStart());
assertEquals(null, sl[0].getStop());
assertEquals(null, sl[1].getStop());
assertEquals(null, sl[2].getStop());
assertEquals(null, sl[3].getStop());
assertEquals(1, sl[0].getStep());
assertEquals(1, sl[1].getStep());
assertEquals(1, sl[2].getStep());
assertEquals(1, sl[3].getStep());
sl = Slice.convertFromString("[::]");
assertEquals(0, (int) sl[0].getStart());
assertEquals(null, sl[0].getStop());
assertEquals(1, sl[0].getStep());
sl = Slice.convertFromString("[1::]");
assertEquals(1, (int) sl[0].getStart());
assertEquals(null, sl[0].getStop());
assertEquals(1, sl[0].getStep());
sl = Slice.convertFromString("[:3:]");
assertEquals(0, (int) sl[0].getStart());
assertEquals(3, (int) sl[0].getStop());
assertEquals(1, sl[0].getStep());
sl = Slice.convertFromString("[::-1]");
assertEquals(0, (int) sl[0].getStart());
assertEquals(null, sl[0].getStop());
assertEquals(-1, sl[0].getStep());
sl = Slice.convertFromString("[10:2:-2]");
assertEquals(10, (int) sl[0].getStart());
assertEquals(2, (int) sl[0].getStop());
assertEquals(-2, sl[0].getStep());
}
