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| 1 | +package net.lecousin.framework.core.tests.collections; |
| 2 | + |
| 3 | +import java.util.ArrayList; |
| 4 | +import java.util.Arrays; |
| 5 | +import java.util.Collection; |
| 6 | + |
| 7 | +import org.junit.Assert; |
| 8 | +import org.junit.Test; |
| 9 | + |
| 10 | +import net.lecousin.framework.collections.CollectionListener; |
| 11 | +import net.lecousin.framework.collections.CollectionListener.Keep; |
| 12 | +import net.lecousin.framework.concurrent.Task; |
| 13 | +import net.lecousin.framework.concurrent.synch.SynchronizationPoint; |
| 14 | +import net.lecousin.framework.core.test.LCCoreAbstractTest; |
| 15 | +import net.lecousin.framework.mutable.Mutable; |
| 16 | + |
| 17 | +public class TestCollectionListener extends LCCoreAbstractTest { |
| 18 | + |
| 19 | + @Test(timeout=120000) |
| 20 | + public void testKeep() { |
| 21 | + CollectionListener.Keep<Integer> keep = new Keep<>(new ArrayList<>(), Task.PRIORITY_NORMAL); |
| 22 | + ArrayList<Integer> col = new ArrayList<>(); |
| 23 | + ArrayList<Integer> changed = new ArrayList<>(); |
| 24 | + Mutable<SynchronizationPoint<Exception>> s = new Mutable<>(new SynchronizationPoint<>()); |
| 25 | + CollectionListener<Integer> listener; |
| 26 | + keep.addListener(listener = new CollectionListener<Integer>() { |
| 27 | + @Override |
| 28 | + public void elementsAdded(Collection<? extends Integer> elements) { |
| 29 | + col.addAll(elements); |
| 30 | + s.get().unblock(); |
| 31 | + } |
| 32 | + |
| 33 | + @Override |
| 34 | + public void elementsRemoved(Collection<? extends Integer> elements) { |
| 35 | + col.removeAll(elements); |
| 36 | + s.get().unblock(); |
| 37 | + } |
| 38 | + |
| 39 | + @Override |
| 40 | + public void elementsChanged(Collection<? extends Integer> elements) { |
| 41 | + changed.addAll(elements); |
| 42 | + s.get().unblock(); |
| 43 | + } |
| 44 | + |
| 45 | + @Override |
| 46 | + public void error(Throwable error) { |
| 47 | + s.get().error(new Exception(error)); |
| 48 | + } |
| 49 | + }); |
| 50 | + |
| 51 | + s.get().block(0); |
| 52 | + Assert.assertTrue(col.isEmpty()); |
| 53 | + |
| 54 | + s.set(new SynchronizationPoint<>()); |
| 55 | + keep.elementsReady(Arrays.asList(Integer.valueOf(10), Integer.valueOf(20))); |
| 56 | + s.get().block(0); |
| 57 | + Assert.assertEquals(2, col.size()); |
| 58 | + Assert.assertTrue(col.contains(Integer.valueOf(10))); |
| 59 | + Assert.assertTrue(col.contains(Integer.valueOf(20))); |
| 60 | + |
| 61 | + s.set(new SynchronizationPoint<>()); |
| 62 | + keep.elementsRemoved(Arrays.asList(Integer.valueOf(10))); |
| 63 | + s.get().block(0); |
| 64 | + Assert.assertEquals(1, col.size()); |
| 65 | + Assert.assertFalse(col.contains(Integer.valueOf(10))); |
| 66 | + Assert.assertTrue(col.contains(Integer.valueOf(20))); |
| 67 | + |
| 68 | + s.set(new SynchronizationPoint<>()); |
| 69 | + keep.elementsAdded(Arrays.asList(Integer.valueOf(30), Integer.valueOf(40))); |
| 70 | + s.get().block(0); |
| 71 | + Assert.assertEquals(3, col.size()); |
| 72 | + Assert.assertFalse(col.contains(Integer.valueOf(10))); |
| 73 | + Assert.assertTrue(col.contains(Integer.valueOf(20))); |
| 74 | + Assert.assertTrue(col.contains(Integer.valueOf(30))); |
| 75 | + Assert.assertTrue(col.contains(Integer.valueOf(40))); |
| 76 | + |
| 77 | + s.set(new SynchronizationPoint<>()); |
| 78 | + keep.elementsRemoved(Arrays.asList(Integer.valueOf(30))); |
| 79 | + s.get().block(0); |
| 80 | + Assert.assertEquals(2, col.size()); |
| 81 | + Assert.assertFalse(col.contains(Integer.valueOf(10))); |
| 82 | + Assert.assertTrue(col.contains(Integer.valueOf(20))); |
| 83 | + Assert.assertFalse(col.contains(Integer.valueOf(30))); |
| 84 | + Assert.assertTrue(col.contains(Integer.valueOf(40))); |
| 85 | + |
| 86 | + s.set(new SynchronizationPoint<>()); |
| 87 | + changed.clear(); |
| 88 | + keep.elementsChanged(Arrays.asList(Integer.valueOf(20), Integer.valueOf(40))); |
| 89 | + s.get().block(0); |
| 90 | + Assert.assertEquals(2, col.size()); |
| 91 | + Assert.assertFalse(col.contains(Integer.valueOf(10))); |
| 92 | + Assert.assertTrue(col.contains(Integer.valueOf(20))); |
| 93 | + Assert.assertFalse(col.contains(Integer.valueOf(30))); |
| 94 | + Assert.assertTrue(col.contains(Integer.valueOf(40))); |
| 95 | + Assert.assertTrue(changed.contains(Integer.valueOf(20))); |
| 96 | + Assert.assertTrue(changed.contains(Integer.valueOf(40))); |
| 97 | + |
| 98 | + keep.removeListener(listener); |
| 99 | + s.set(new SynchronizationPoint<>()); |
| 100 | + keep.elementsReady(Arrays.asList(Integer.valueOf(100), Integer.valueOf(200))); |
| 101 | + s.get().block(3000); |
| 102 | + Assert.assertFalse(s.get().isUnblocked()); |
| 103 | + Assert.assertEquals(2, col.size()); |
| 104 | + Assert.assertFalse(col.contains(Integer.valueOf(10))); |
| 105 | + Assert.assertTrue(col.contains(Integer.valueOf(20))); |
| 106 | + Assert.assertFalse(col.contains(Integer.valueOf(30))); |
| 107 | + Assert.assertTrue(col.contains(Integer.valueOf(40))); |
| 108 | + |
| 109 | + s.set(new SynchronizationPoint<>()); |
| 110 | + keep.addListener(listener); |
| 111 | + s.get().block(0); |
| 112 | + s.set(new SynchronizationPoint<>()); |
| 113 | + keep.error(new Exception()); |
| 114 | + s.get().block(0); |
| 115 | + Assert.assertNotNull(s.get().getError()); |
| 116 | + |
| 117 | + Mutable<SynchronizationPoint<Exception>> s2 = new Mutable<>(new SynchronizationPoint<>()); |
| 118 | + CollectionListener<Integer> listener2; |
| 119 | + keep.addListener(listener2 = new CollectionListener<Integer>() { |
| 120 | + @Override |
| 121 | + public void elementsAdded(Collection<? extends Integer> elements) { |
| 122 | + } |
| 123 | + |
| 124 | + @Override |
| 125 | + public void elementsRemoved(Collection<? extends Integer> elements) { |
| 126 | + } |
| 127 | + |
| 128 | + @Override |
| 129 | + public void elementsChanged(Collection<? extends Integer> elements) { |
| 130 | + } |
| 131 | + |
| 132 | + @Override |
| 133 | + public void error(Throwable error) { |
| 134 | + s2.get().error(new Exception(error)); |
| 135 | + } |
| 136 | + }); |
| 137 | + s2.get().block(0); |
| 138 | + Assert.assertNotNull(s2.get().getError()); |
| 139 | + |
| 140 | + keep.removeListener(listener2); |
| 141 | + keep.removeListener(listener); |
| 142 | + } |
| 143 | + |
| 144 | +} |
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