Package util.iterators

Examples of util.iterators.DisposableRangeIterator.previous()

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        rit = var.getRangeIterator(false);
        Assert.assertTrue(rit.hasPrevious());
        Assert.assertEquals(3, rit.min());
        Assert.assertEquals(5, rit.max());
        rit.previous();
        Assert.assertTrue(rit.hasPrevious());
        Assert.assertEquals(0, rit.min());
        Assert.assertEquals(0, rit.max());
        rit.previous();
        Assert.assertTrue(rit.hasPrevious());
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        Assert.assertEquals(5, rit.max());
        rit.previous();
        Assert.assertTrue(rit.hasPrevious());
        Assert.assertEquals(0, rit.min());
        Assert.assertEquals(0, rit.max());
        rit.previous();
        Assert.assertTrue(rit.hasPrevious());
        Assert.assertEquals(-5, rit.min());
        Assert.assertEquals(-5, rit.max());
        rit.previous();
        Assert.assertFalse(rit.hasPrevious());
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        Assert.assertEquals(0, rit.max());
        rit.previous();
        Assert.assertTrue(rit.hasPrevious());
        Assert.assertEquals(-5, rit.min());
        Assert.assertEquals(-5, rit.max());
        rit.previous();
        Assert.assertFalse(rit.hasPrevious());

    }
}
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        rit = var.getRangeIterator(false);
        Assert.assertTrue(rit.hasPrevious());
        Assert.assertEquals(-2, rit.min());
        Assert.assertEquals(2, rit.max());
        rit.previous();
        Assert.assertFalse(rit.hasPrevious());

    }
}
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    }
        DisposableRangeIterator vit = var.getRangeIterator(false);
        Assert.assertTrue(vit.hasPrevious());
        Assert.assertEquals(-2, vit.min());
        Assert.assertEquals(-1, vit.max());
        vit.previous();
        Assert.assertTrue(vit.hasPrevious());
        Assert.assertEquals(-4, vit.min());
        Assert.assertEquals(-4, vit.max());
        vit.previous();
        Assert.assertFalse(vit.hasPrevious());
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        Assert.assertEquals(-1, vit.max());
        vit.previous();
        Assert.assertTrue(vit.hasPrevious());
        Assert.assertEquals(-4, vit.min());
        Assert.assertEquals(-4, vit.max());
        vit.previous();
        Assert.assertFalse(vit.hasPrevious());
    }

    @Test(groups = "1s")
    public void testAbs1() {
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        }
        DisposableRangeIterator vit = var.getRangeIterator(false);
        Assert.assertTrue(vit.hasPrevious());
        Assert.assertEquals(4, vit.min());
        Assert.assertEquals(4, vit.max());
        vit.previous();
        Assert.assertTrue(vit.hasPrevious());
        Assert.assertEquals(1, vit.min());
        Assert.assertEquals(2, vit.max());
        vit.previous();
        Assert.assertFalse(vit.hasPrevious());
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        Assert.assertEquals(4, vit.max());
        vit.previous();
        Assert.assertTrue(vit.hasPrevious());
        Assert.assertEquals(1, vit.min());
        Assert.assertEquals(2, vit.max());
        vit.previous();
        Assert.assertFalse(vit.hasPrevious());
    }

    @Test(groups = "1s")
    public void testMax1() {
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        IntVar var = Max.var(VariableFactory.enumerated("a", new int[]{3, 4}, solver), VariableFactory.enumerated("b", new int[]{2, 5}, solver));
        DisposableRangeIterator vit = var.getRangeIterator(false);
        Assert.assertTrue(vit.hasPrevious());
        Assert.assertEquals(3, vit.min());
        Assert.assertEquals(5, vit.max());
        vit.previous();
        Assert.assertFalse(vit.hasPrevious());
    }

    @Test(groups = "1s")
    public void JLiangWaterlooTest() throws ContradictionException {
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        iter.dispose();

        iter = ivar.getRangeIterator(false);
        Assert.assertEquals(iter.min(), 2000);
        Assert.assertEquals(iter.max(), 2000);
        iter.previous();
        Assert.assertEquals(iter.min(), 888);
        Assert.assertEquals(iter.max(), 888);
        iter.previous();
        Assert.assertEquals(iter.min(), 1);
        Assert.assertEquals(iter.max(), 3);
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