[32] | 1 | package geniusweb.bidspace;
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| 2 |
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| 3 | import static org.junit.Assert.assertEquals;
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| 4 | import static org.junit.Assert.assertFalse;
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| 5 | import static org.junit.Assert.assertTrue;
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| 6 |
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| 7 | import java.math.BigDecimal;
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| 8 | import java.util.Arrays;
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| 9 | import java.util.List;
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| 10 |
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| 11 | import org.junit.Test;
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| 12 |
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| 13 | import tudelft.utilities.junit.GeneralTests;
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| 14 |
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| 15 | public class IntervalTest extends GeneralTests<Interval> {
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| 16 |
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| 17 | private static final BigDecimal ZERO = BigDecimal.ZERO;
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| 18 | private static final BigDecimal ONE = BigDecimal.ONE;
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| 19 | private static final BigDecimal TWO = BigDecimal.valueOf(2);
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| 20 | private static final BigDecimal THREE = BigDecimal.valueOf(3);
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| 21 | private static final BigDecimal TEN = BigDecimal.TEN;
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| 22 | private static final Interval int1 = new Interval(ZERO, ONE);
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| 23 | private static final Interval int1a = new Interval(ZERO, ONE);
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| 24 | private static final Interval int2 = new Interval(ONE, TEN);
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| 25 | private static final Interval int3 = new Interval(TWO, TEN);
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| 26 |
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| 27 | @Override
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| 28 | public List<List<Interval>> getGeneralTestData() {
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| 29 | return Arrays.asList(Arrays.asList(int1, int1a), Arrays.asList(int2),
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| 30 | Arrays.asList(int3));
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| 31 | }
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| 32 |
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| 33 | @Override
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| 34 | public List<String> getGeneralTestStrings() {
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| 35 | return Arrays.asList("Interval\\[0,1\\]", "Interval\\[1,10\\]",
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| 36 | "Interval\\[2,10\\]");
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| 37 | }
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| 38 |
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| 39 | @Test
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| 40 | public void smokeTest() {
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| 41 | new Interval(BigDecimal.ZERO, BigDecimal.ONE);
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| 42 | }
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| 43 |
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| 44 | @Test
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| 45 | public void smokeTestBad() {
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| 46 | Interval i = new Interval(BigDecimal.TEN, BigDecimal.ONE);
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| 47 | assertTrue(i.isEmpty());
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| 48 | }
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| 49 |
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| 50 | @Test(expected = NullPointerException.class)
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| 51 | public void smokeNull1() {
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| 52 | new Interval(null, BigDecimal.ZERO);
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| 53 | }
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| 54 |
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| 55 | @Test(expected = NullPointerException.class)
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| 56 | public void smokeNull2() {
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| 57 | new Interval(BigDecimal.ZERO, null);
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| 58 | }
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| 59 |
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| 60 | @Test
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| 61 | public void testMin() {
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| 62 | assertEquals(BigDecimal.ZERO, int1.getMin());
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| 63 | assertEquals(BigDecimal.ONE, int2.getMin());
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| 64 | }
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| 65 |
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| 66 | @Test
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| 67 | public void testMax() {
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| 68 | assertEquals(BigDecimal.ONE, int1.getMax());
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| 69 | assertEquals(BigDecimal.TEN, int2.getMax());
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| 70 | }
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| 71 |
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| 72 | @Test
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| 73 | public void containsTest() {
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| 74 | assertTrue(int1.contains(BigDecimal.valueOf(0.3)));
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| 75 | assertFalse(int1.contains(BigDecimal.valueOf(-0.3)));
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| 76 | assertFalse(int1.contains(BigDecimal.valueOf(1.3)));
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| 77 |
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| 78 | assertFalse(int3.contains(ZERO));
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| 79 | assertFalse(int3.contains(ONE));
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| 80 | assertTrue(int3.contains(TWO));
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| 81 | assertTrue(int3.contains(THREE));
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| 82 | assertTrue(int3.contains(TEN));
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| 83 | assertFalse(int3.contains(BigDecimal.valueOf(10.3)));
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| 84 |
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| 85 | }
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| 86 |
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| 87 | @Test
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| 88 | public void testIntersect() {
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| 89 | assertEquals(int1, int1.intersect(int1));
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| 90 | assertEquals(new Interval(ONE, ONE), int1.intersect(int2));
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| 91 | assertTrue(int1.intersect(int3).isEmpty());
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| 92 | assertEquals(new Interval(ONE, TWO),
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| 93 | new Interval(ZERO, TEN).intersect(new Interval(ONE, TWO)));
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| 94 | assertEquals(new Interval(ONE, TWO),
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| 95 | new Interval(ONE, TWO).intersect(new Interval(ZERO, TEN)));
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| 96 | assertEquals(new Interval(ONE, TWO),
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| 97 | new Interval(ZERO, TWO).intersect(new Interval(ONE, TEN)));
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| 98 | assertEquals(new Interval(ONE, TWO),
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| 99 | new Interval(ONE, TEN).intersect(new Interval(ZERO, TWO)));
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| 100 | }
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| 101 |
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| 102 | @Test
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| 103 | public void subtractTest() {
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| 104 | assertEquals(new Interval(BigDecimal.valueOf(-1), ZERO),
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| 105 | int1.subtract(ONE));
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| 106 | }
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| 107 |
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| 108 | @Test
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| 109 | public void invertTest() {
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| 110 | assertEquals(new Interval(BigDecimal.valueOf(-10), ZERO),
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| 111 | int1.invert(int2));
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| 112 | assertEquals(new Interval(ZERO, TEN), int2.invert(int1));
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| 113 | assertEquals(
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| 114 | new Interval(BigDecimal.valueOf(-9), BigDecimal.valueOf(8)),
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| 115 | int2.invert(int3));
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| 116 | }
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| 117 |
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| 118 | }
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