Examples of java.util.ListIterator.previousIndex()

java.util.ListIterator.previousIndex()
Returns the index of the element that would be returned by a subsequent call to previous. (Returns -1 if the list iterator is at the beginning of the list.) @return the index of the element that would be returned by a subsequentcall to previous, or -1 if list iterator is at beginning of list.

        assertEquals(1,it.previousIndex());
        assertEquals(2,it.nextIndex());
        assertEquals("2",it.previous());
        assertTrue(it.hasNext());
        assertTrue(it.hasPrevious());
        assertEquals(0,it.previousIndex());
        assertEquals(1,it.nextIndex());
        assertEquals("2",it.next());
        assertTrue(it.hasNext());
        assertTrue(it.hasPrevious());
        assertEquals(1,it.previousIndex());

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        assertEquals(0,it.previousIndex());
        assertEquals(1,it.nextIndex());
        assertEquals("2",it.next());
        assertTrue(it.hasNext());
        assertTrue(it.hasPrevious());
        assertEquals(1,it.previousIndex());
        assertEquals(2,it.nextIndex());
        assertEquals("3",it.next());
        assertTrue(it.hasNext());
        assertTrue(it.hasPrevious());
        assertEquals(2,it.previousIndex());

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        assertEquals(1,it.previousIndex());
        assertEquals(2,it.nextIndex());
        assertEquals("3",it.next());
        assertTrue(it.hasNext());
        assertTrue(it.hasPrevious());
        assertEquals(2,it.previousIndex());
        assertEquals(3,it.nextIndex());
        assertEquals("4",it.next());
        assertTrue(it.hasNext());
        assertTrue(it.hasPrevious());
        assertEquals(3,it.previousIndex());

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        assertEquals(2,it.previousIndex());
        assertEquals(3,it.nextIndex());
        assertEquals("4",it.next());
        assertTrue(it.hasNext());
        assertTrue(it.hasPrevious());
        assertEquals(3,it.previousIndex());
        assertEquals(4,it.nextIndex());
        assertEquals("5",it.next());
        assertTrue(!it.hasNext());
        assertTrue(it.hasPrevious());
        assertEquals(4,it.previousIndex());

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        assertEquals(3,it.previousIndex());
        assertEquals(4,it.nextIndex());
        assertEquals("5",it.next());
        assertTrue(!it.hasNext());
        assertTrue(it.hasPrevious());
        assertEquals(4,it.previousIndex());
        assertEquals(5,it.nextIndex());
        assertEquals("5",it.previous());
        assertTrue(it.hasNext());
        assertTrue(it.hasPrevious());
        assertEquals(3,it.previousIndex());

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        assertEquals(4,it.previousIndex());
        assertEquals(5,it.nextIndex());
        assertEquals("5",it.previous());
        assertTrue(it.hasNext());
        assertTrue(it.hasPrevious());
        assertEquals(3,it.previousIndex());
        assertEquals(4,it.nextIndex());
        assertEquals("4",it.previous());
        assertTrue(it.hasNext());
        assertTrue(it.hasPrevious());
        assertEquals(2,it.previousIndex());

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        assertEquals(3,it.previousIndex());
        assertEquals(4,it.nextIndex());
        assertEquals("4",it.previous());
        assertTrue(it.hasNext());
        assertTrue(it.hasPrevious());
        assertEquals(2,it.previousIndex());
        assertEquals(3,it.nextIndex());
        assertEquals("3",it.previous());
        assertTrue(it.hasNext());
        assertTrue(it.hasPrevious());
        assertEquals(1,it.previousIndex());

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        assertEquals(2,it.previousIndex());
        assertEquals(3,it.nextIndex());
        assertEquals("3",it.previous());
        assertTrue(it.hasNext());
        assertTrue(it.hasPrevious());
        assertEquals(1,it.previousIndex());
        assertEquals(2,it.nextIndex());
        assertEquals("2",it.previous());
        assertTrue(it.hasNext());
        assertTrue(it.hasPrevious());
        assertEquals(0,it.previousIndex());

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        assertEquals(1,it.previousIndex());
        assertEquals(2,it.nextIndex());
        assertEquals("2",it.previous());
        assertTrue(it.hasNext());
        assertTrue(it.hasPrevious());
        assertEquals(0,it.previousIndex());
        assertEquals(1,it.nextIndex());
        assertEquals("1",it.previous());
        assertTrue(it.hasNext());
        assertTrue(!it.hasPrevious());
        assertEquals(-1,it.previousIndex());

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        assertEquals(0,it.previousIndex());
        assertEquals(1,it.nextIndex());
        assertEquals("1",it.previous());
        assertTrue(it.hasNext());
        assertTrue(!it.hasPrevious());
        assertEquals(-1,it.previousIndex());
        assertEquals(0,it.nextIndex());
    }


    public void testListIteratorSet() {
        list.add("1");

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