--- jsr166/src/test/tck/ConcurrentSkipListSubMapTest.java 2009/11/02 20:28:31 1.6 +++ jsr166/src/test/tck/ConcurrentSkipListSubMapTest.java 2015/04/25 04:55:30 1.25 @@ -1,167 +1,174 @@ /* * Written by Doug Lea with assistance from members of JCP JSR-166 * Expert Group and released to the public domain, as explained at - * http://creativecommons.org/licenses/publicdomain + * http://creativecommons.org/publicdomain/zero/1.0/ */ -import junit.framework.*; -import java.util.*; -import java.util.concurrent.*; -import java.io.*; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collection; +import java.util.Iterator; +import java.util.Map; +import java.util.NavigableMap; +import java.util.Set; +import java.util.SortedMap; +import java.util.concurrent.ConcurrentNavigableMap; +import java.util.concurrent.ConcurrentSkipListMap; + +import junit.framework.Test; +import junit.framework.TestSuite; public class ConcurrentSkipListSubMapTest extends JSR166TestCase { public static void main(String[] args) { - junit.textui.TestRunner.run (suite()); + main(suite(), args); } public static Test suite() { - return new TestSuite(ConcurrentSkipListSubMapTest.class); + return new TestSuite(ConcurrentSkipListSubMapTest.class); } /** - * Create a map from Integers 1-5 to Strings "A"-"E". + * Returns a new map from Integers 1-5 to Strings "A"-"E". */ private static ConcurrentNavigableMap map5() { - ConcurrentSkipListMap map = new ConcurrentSkipListMap(); + ConcurrentSkipListMap map = new ConcurrentSkipListMap(); assertTrue(map.isEmpty()); - map.put(zero, "Z"); - map.put(one, "A"); - map.put(five, "E"); - map.put(three, "C"); - map.put(two, "B"); - map.put(four, "D"); - map.put(seven, "F"); + map.put(zero, "Z"); + map.put(one, "A"); + map.put(five, "E"); + map.put(three, "C"); + map.put(two, "B"); + map.put(four, "D"); + map.put(seven, "F"); assertFalse(map.isEmpty()); assertEquals(7, map.size()); return map.subMap(one, true, seven, false); } /** - * Create a map from Integers -5 to -1 to Strings "A"-"E". + * Returns a new map from Integers -5 to -1 to Strings "A"-"E". */ private static ConcurrentNavigableMap dmap5() { - ConcurrentSkipListMap map = new ConcurrentSkipListMap(); + ConcurrentSkipListMap map = new ConcurrentSkipListMap(); assertTrue(map.isEmpty()); - map.put(m1, "A"); - map.put(m5, "E"); - map.put(m3, "C"); - map.put(m2, "B"); - map.put(m4, "D"); + map.put(m1, "A"); + map.put(m5, "E"); + map.put(m3, "C"); + map.put(m2, "B"); + map.put(m4, "D"); assertFalse(map.isEmpty()); assertEquals(5, map.size()); - return map.descendingMap(); + return map.descendingMap(); } private static ConcurrentNavigableMap map0() { - ConcurrentSkipListMap map = new ConcurrentSkipListMap(); + ConcurrentSkipListMap map = new ConcurrentSkipListMap(); assertTrue(map.isEmpty()); return map.tailMap(one, true); } private static ConcurrentNavigableMap dmap0() { - ConcurrentSkipListMap map = new ConcurrentSkipListMap(); + ConcurrentSkipListMap map = new ConcurrentSkipListMap(); assertTrue(map.isEmpty()); return map; } /** - * clear removes all pairs + * clear removes all pairs */ public void testClear() { ConcurrentNavigableMap map = map5(); - map.clear(); - assertEquals(map.size(), 0); + map.clear(); + assertEquals(0, map.size()); } - /** - * Maps with same contents are equal + * Maps with same contents are equal */ public void testEquals() { ConcurrentNavigableMap map1 = map5(); ConcurrentNavigableMap map2 = map5(); assertEquals(map1, map2); assertEquals(map2, map1); - map1.clear(); + map1.clear(); assertFalse(map1.equals(map2)); assertFalse(map2.equals(map1)); } /** - * containsKey returns true for contained key + * containsKey returns true for contained key */ public void testContainsKey() { ConcurrentNavigableMap map = map5(); - assertTrue(map.containsKey(one)); + assertTrue(map.containsKey(one)); assertFalse(map.containsKey(zero)); } /** - * containsValue returns true for held values + * containsValue returns true for held values */ public void testContainsValue() { ConcurrentNavigableMap map = map5(); - assertTrue(map.containsValue("A")); + assertTrue(map.containsValue("A")); assertFalse(map.containsValue("Z")); } /** - * get returns the correct element at the given key, - * or null if not present + * get returns the correct element at the given key, + * or null if not present */ public void testGet() { ConcurrentNavigableMap map = map5(); - assertEquals("A", (String)map.get(one)); + assertEquals("A", (String)map.get(one)); ConcurrentNavigableMap empty = map0(); assertNull(empty.get(one)); } /** - * isEmpty is true of empty map and false for non-empty + * isEmpty is true of empty map and false for non-empty */ public void testIsEmpty() { ConcurrentNavigableMap empty = map0(); ConcurrentNavigableMap map = map5(); - assertTrue(empty.isEmpty()); + assertTrue(empty.isEmpty()); assertFalse(map.isEmpty()); } /** - * firstKey returns first key + * firstKey returns first key */ public void testFirstKey() { ConcurrentNavigableMap map = map5(); - assertEquals(one, map.firstKey()); + assertEquals(one, map.firstKey()); } /** - * lastKey returns last key + * lastKey returns last key */ public void testLastKey() { ConcurrentNavigableMap map = map5(); - assertEquals(five, map.lastKey()); + assertEquals(five, map.lastKey()); } - /** - * keySet returns a Set containing all the keys + * keySet returns a Set containing all the keys */ public void testKeySet() { ConcurrentNavigableMap map = map5(); - Set s = map.keySet(); - assertEquals(5, s.size()); - assertTrue(s.contains(one)); - assertTrue(s.contains(two)); - assertTrue(s.contains(three)); - assertTrue(s.contains(four)); - assertTrue(s.contains(five)); + Set s = map.keySet(); + assertEquals(5, s.size()); + assertTrue(s.contains(one)); + assertTrue(s.contains(two)); + assertTrue(s.contains(three)); + assertTrue(s.contains(four)); + assertTrue(s.contains(five)); } /** - * keySet is ordered + * keySet is ordered */ public void testKeySetOrder() { ConcurrentNavigableMap map = map5(); - Set s = map.keySet(); + Set s = map.keySet(); Iterator i = s.iterator(); Integer last = (Integer)i.next(); assertEquals(last, one); @@ -177,65 +184,64 @@ public class ConcurrentSkipListSubMapTes */ public void testValues() { ConcurrentNavigableMap map = map5(); - Collection s = map.values(); - assertEquals(5, s.size()); - assertTrue(s.contains("A")); - assertTrue(s.contains("B")); - assertTrue(s.contains("C")); - assertTrue(s.contains("D")); - assertTrue(s.contains("E")); + Collection s = map.values(); + assertEquals(5, s.size()); + assertTrue(s.contains("A")); + assertTrue(s.contains("B")); + assertTrue(s.contains("C")); + assertTrue(s.contains("D")); + assertTrue(s.contains("E")); } /** - * keySet.toArray returns contains all keys + * keySet.toArray returns contains all keys */ public void testKeySetToArray() { ConcurrentNavigableMap map = map5(); - Set s = map.keySet(); + Set s = map.keySet(); Object[] ar = s.toArray(); assertTrue(s.containsAll(Arrays.asList(ar))); - assertEquals(5, ar.length); + assertEquals(5, ar.length); ar[0] = m10; assertFalse(s.containsAll(Arrays.asList(ar))); } /** - * descendingkeySet.toArray returns contains all keys + * descendingkeySet.toArray returns contains all keys */ public void testDescendingKeySetToArray() { ConcurrentNavigableMap map = map5(); - Set s = map.descendingKeySet(); + Set s = map.descendingKeySet(); Object[] ar = s.toArray(); - assertEquals(5, ar.length); + assertEquals(5, ar.length); assertTrue(s.containsAll(Arrays.asList(ar))); ar[0] = m10; assertFalse(s.containsAll(Arrays.asList(ar))); } /** - * Values.toArray contains all values + * Values.toArray contains all values */ public void testValuesToArray() { ConcurrentNavigableMap map = map5(); - Collection v = map.values(); + Collection v = map.values(); Object[] ar = v.toArray(); ArrayList s = new ArrayList(Arrays.asList(ar)); - assertEquals(5, ar.length); - assertTrue(s.contains("A")); - assertTrue(s.contains("B")); - assertTrue(s.contains("C")); - assertTrue(s.contains("D")); - assertTrue(s.contains("E")); + assertEquals(5, ar.length); + assertTrue(s.contains("A")); + assertTrue(s.contains("B")); + assertTrue(s.contains("C")); + assertTrue(s.contains("D")); + assertTrue(s.contains("E")); } - /** * entrySet contains all pairs */ public void testEntrySet() { ConcurrentNavigableMap map = map5(); - Set s = map.entrySet(); - assertEquals(5, s.size()); + Set s = map.entrySet(); + assertEquals(5, s.size()); Iterator it = s.iterator(); while (it.hasNext()) { Map.Entry e = (Map.Entry) it.next(); @@ -249,31 +255,31 @@ public class ConcurrentSkipListSubMapTes } /** - * putAll adds all key-value pairs from the given map + * putAll adds all key-value pairs from the given map */ public void testPutAll() { ConcurrentNavigableMap empty = map0(); ConcurrentNavigableMap map = map5(); - empty.putAll(map); - assertEquals(5, empty.size()); - assertTrue(empty.containsKey(one)); - assertTrue(empty.containsKey(two)); - assertTrue(empty.containsKey(three)); - assertTrue(empty.containsKey(four)); - assertTrue(empty.containsKey(five)); + empty.putAll(map); + assertEquals(5, empty.size()); + assertTrue(empty.containsKey(one)); + assertTrue(empty.containsKey(two)); + assertTrue(empty.containsKey(three)); + assertTrue(empty.containsKey(four)); + assertTrue(empty.containsKey(five)); } /** - * putIfAbsent works when the given key is not present + * putIfAbsent works when the given key is not present */ public void testPutIfAbsent() { ConcurrentNavigableMap map = map5(); - map.putIfAbsent(six, "Z"); + map.putIfAbsent(six, "Z"); assertTrue(map.containsKey(six)); } /** - * putIfAbsent does not add the pair if the key is already present + * putIfAbsent does not add the pair if the key is already present */ public void testPutIfAbsent2() { ConcurrentNavigableMap map = map5(); @@ -281,16 +287,16 @@ public class ConcurrentSkipListSubMapTes } /** - * replace fails when the given key is not present + * replace fails when the given key is not present */ public void testReplace() { ConcurrentNavigableMap map = map5(); - assertNull(map.replace(six, "Z")); + assertNull(map.replace(six, "Z")); assertFalse(map.containsKey(six)); } /** - * replace succeeds if the key is already present + * replace succeeds if the key is already present */ public void testReplace2() { ConcurrentNavigableMap map = map5(); @@ -298,14 +304,13 @@ public class ConcurrentSkipListSubMapTes assertEquals("Z", map.get(one)); } - /** * replace value fails when the given key not mapped to expected value */ public void testReplaceValue() { ConcurrentNavigableMap map = map5(); assertEquals("A", map.get(one)); - assertFalse(map.replace(one, "Z", "Z")); + assertFalse(map.replace(one, "Z", "Z")); assertEquals("A", map.get(one)); } @@ -315,19 +320,18 @@ public class ConcurrentSkipListSubMapTes public void testReplaceValue2() { ConcurrentNavigableMap map = map5(); assertEquals("A", map.get(one)); - assertTrue(map.replace(one, "A", "Z")); + assertTrue(map.replace(one, "A", "Z")); assertEquals("Z", map.get(one)); } - /** - * remove removes the correct key-value pair from the map + * remove removes the correct key-value pair from the map */ public void testRemove() { ConcurrentNavigableMap map = map5(); - map.remove(five); - assertEquals(4, map.size()); - assertFalse(map.containsKey(five)); + map.remove(five); + assertEquals(4, map.size()); + assertFalse(map.containsKey(five)); } /** @@ -335,15 +339,14 @@ public class ConcurrentSkipListSubMapTes */ public void testRemove2() { ConcurrentNavigableMap map = map5(); - assertTrue(map.containsKey(five)); + assertTrue(map.containsKey(five)); assertEquals("E", map.get(five)); - map.remove(five, "E"); - assertEquals(4, map.size()); - assertFalse(map.containsKey(five)); - map.remove(four, "A"); - assertEquals(4, map.size()); - assertTrue(map.containsKey(four)); - + map.remove(five, "E"); + assertEquals(4, map.size()); + assertFalse(map.containsKey(five)); + map.remove(four, "A"); + assertEquals(4, map.size()); + assertTrue(map.containsKey(four)); } /** @@ -362,7 +365,6 @@ public class ConcurrentSkipListSubMapTes Map.Entry e4 = map.lowerEntry(zero); assertNull(e4); - } /** @@ -381,7 +383,6 @@ public class ConcurrentSkipListSubMapTes Map.Entry e4 = map.higherEntry(six); assertNull(e4); - } /** @@ -400,7 +401,6 @@ public class ConcurrentSkipListSubMapTes Map.Entry e4 = map.floorEntry(zero); assertNull(e4); - } /** @@ -419,7 +419,6 @@ public class ConcurrentSkipListSubMapTes Map.Entry e4 = map.ceilingEntry(six); assertNull(e4); - } /** @@ -444,8 +443,7 @@ public class ConcurrentSkipListSubMapTes try { e.setValue("A"); shouldThrow(); - } catch (Exception ok) { - } + } catch (UnsupportedOperationException success) {} e = map.pollFirstEntry(); assertNull(e); } @@ -472,20 +470,19 @@ public class ConcurrentSkipListSubMapTes try { e.setValue("E"); shouldThrow(); - } catch (Exception ok) { - } + } catch (UnsupportedOperationException success) {} e = map.pollLastEntry(); assertNull(e); } /** - * size returns the correct values + * size returns the correct values */ public void testSize() { ConcurrentNavigableMap map = map5(); ConcurrentNavigableMap empty = map0(); - assertEquals(0, empty.size()); - assertEquals(5, map.size()); + assertEquals(0, empty.size()); + assertEquals(5, map.size()); } /** @@ -495,7 +492,7 @@ public class ConcurrentSkipListSubMapTes ConcurrentNavigableMap map = map5(); String s = map.toString(); for (int i = 1; i <= 5; ++i) { - assertTrue(s.indexOf(String.valueOf(i)) >= 0); + assertTrue(s.contains(String.valueOf(i))); } } @@ -509,7 +506,7 @@ public class ConcurrentSkipListSubMapTes ConcurrentNavigableMap c = map5(); c.get(null); shouldThrow(); - } catch(NullPointerException e){} + } catch (NullPointerException success) {} } /** @@ -520,7 +517,7 @@ public class ConcurrentSkipListSubMapTes ConcurrentNavigableMap c = map5(); c.containsKey(null); shouldThrow(); - } catch(NullPointerException e){} + } catch (NullPointerException success) {} } /** @@ -531,10 +528,9 @@ public class ConcurrentSkipListSubMapTes ConcurrentNavigableMap c = map0(); c.containsValue(null); shouldThrow(); - } catch(NullPointerException e){} + } catch (NullPointerException success) {} } - /** * put(null,x) throws NPE */ @@ -543,7 +539,7 @@ public class ConcurrentSkipListSubMapTes ConcurrentNavigableMap c = map5(); c.put(null, "whatever"); shouldThrow(); - } catch(NullPointerException e){} + } catch (NullPointerException success) {} } /** @@ -554,7 +550,7 @@ public class ConcurrentSkipListSubMapTes ConcurrentNavigableMap c = map5(); c.putIfAbsent(null, "whatever"); shouldThrow(); - } catch(NullPointerException e){} + } catch (NullPointerException success) {} } /** @@ -565,7 +561,7 @@ public class ConcurrentSkipListSubMapTes ConcurrentNavigableMap c = map5(); c.replace(null, "whatever"); shouldThrow(); - } catch(NullPointerException e){} + } catch (NullPointerException success) {} } /** @@ -576,7 +572,7 @@ public class ConcurrentSkipListSubMapTes ConcurrentNavigableMap c = map5(); c.replace(null, one, "whatever"); shouldThrow(); - } catch(NullPointerException e){} + } catch (NullPointerException success) {} } /** @@ -587,7 +583,7 @@ public class ConcurrentSkipListSubMapTes ConcurrentNavigableMap c = map5(); c.remove(null); shouldThrow(); - } catch(NullPointerException e){} + } catch (NullPointerException success) {} } /** @@ -598,35 +594,23 @@ public class ConcurrentSkipListSubMapTes ConcurrentNavigableMap c = map5(); c.remove(null, "whatever"); shouldThrow(); - } catch(NullPointerException e){} + } catch (NullPointerException success) {} } /** * A deserialized map equals original */ - public void testSerialization() { - ConcurrentNavigableMap q = map5(); - - try { - ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); - ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); - out.writeObject(q); - out.close(); - - ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); - ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); - ConcurrentNavigableMap r = (ConcurrentNavigableMap)in.readObject(); - assertEquals(q.size(), r.size()); - assertTrue(q.equals(r)); - assertTrue(r.equals(q)); - } catch(Exception e){ - e.printStackTrace(); - unexpectedException(); - } + public void testSerialization() throws Exception { + NavigableMap x = map5(); + NavigableMap y = serialClone(x); + + assertNotSame(x, y); + assertEquals(x.size(), y.size()); + assertEquals(x.toString(), y.toString()); + assertEquals(x, y); + assertEquals(y, x); } - - /** * subMap returns map with keys in requested range */ @@ -656,7 +640,7 @@ public class ConcurrentSkipListSubMapTes assertEquals(1, sm.size()); assertEquals(three, sm.firstKey()); assertEquals(three, sm.lastKey()); - assertTrue(sm.remove(three) != null); + assertEquals("C", sm.remove(three)); assertTrue(sm.isEmpty()); assertEquals(3, map.size()); } @@ -684,7 +668,7 @@ public class ConcurrentSkipListSubMapTes assertEquals(4, map.size()); assertEquals(0, sm.size()); assertTrue(sm.isEmpty()); - assertTrue(sm.remove(three) == null); + assertSame(sm.remove(three), null); assertEquals(4, map.size()); } @@ -756,111 +740,109 @@ public class ConcurrentSkipListSubMapTes SortedMap ssm = sm.tailMap(four); assertEquals(four, ssm.firstKey()); assertEquals(five, ssm.lastKey()); - assertTrue(ssm.remove(four) != null); + assertEquals("D", ssm.remove(four)); assertEquals(1, ssm.size()); assertEquals(3, sm.size()); assertEquals(4, map.size()); } /** - * clear removes all pairs + * clear removes all pairs */ public void testDescendingClear() { ConcurrentNavigableMap map = dmap5(); - map.clear(); - assertEquals(map.size(), 0); + map.clear(); + assertEquals(0, map.size()); } - /** - * Maps with same contents are equal + * Maps with same contents are equal */ public void testDescendingEquals() { ConcurrentNavigableMap map1 = dmap5(); ConcurrentNavigableMap map2 = dmap5(); assertEquals(map1, map2); assertEquals(map2, map1); - map1.clear(); + map1.clear(); assertFalse(map1.equals(map2)); assertFalse(map2.equals(map1)); } /** - * containsKey returns true for contained key + * containsKey returns true for contained key */ public void testDescendingContainsKey() { ConcurrentNavigableMap map = dmap5(); - assertTrue(map.containsKey(m1)); + assertTrue(map.containsKey(m1)); assertFalse(map.containsKey(zero)); } /** - * containsValue returns true for held values + * containsValue returns true for held values */ public void testDescendingContainsValue() { ConcurrentNavigableMap map = dmap5(); - assertTrue(map.containsValue("A")); + assertTrue(map.containsValue("A")); assertFalse(map.containsValue("Z")); } /** - * get returns the correct element at the given key, - * or null if not present + * get returns the correct element at the given key, + * or null if not present */ public void testDescendingGet() { ConcurrentNavigableMap map = dmap5(); - assertEquals("A", (String)map.get(m1)); + assertEquals("A", (String)map.get(m1)); ConcurrentNavigableMap empty = dmap0(); assertNull(empty.get(m1)); } /** - * isEmpty is true of empty map and false for non-empty + * isEmpty is true of empty map and false for non-empty */ public void testDescendingIsEmpty() { ConcurrentNavigableMap empty = dmap0(); ConcurrentNavigableMap map = dmap5(); - assertTrue(empty.isEmpty()); + assertTrue(empty.isEmpty()); assertFalse(map.isEmpty()); } /** - * firstKey returns first key + * firstKey returns first key */ public void testDescendingFirstKey() { ConcurrentNavigableMap map = dmap5(); - assertEquals(m1, map.firstKey()); + assertEquals(m1, map.firstKey()); } /** - * lastKey returns last key + * lastKey returns last key */ public void testDescendingLastKey() { ConcurrentNavigableMap map = dmap5(); - assertEquals(m5, map.lastKey()); + assertEquals(m5, map.lastKey()); } - /** - * keySet returns a Set containing all the keys + * keySet returns a Set containing all the keys */ public void testDescendingKeySet() { ConcurrentNavigableMap map = dmap5(); - Set s = map.keySet(); - assertEquals(5, s.size()); - assertTrue(s.contains(m1)); - assertTrue(s.contains(m2)); - assertTrue(s.contains(m3)); - assertTrue(s.contains(m4)); - assertTrue(s.contains(m5)); + Set s = map.keySet(); + assertEquals(5, s.size()); + assertTrue(s.contains(m1)); + assertTrue(s.contains(m2)); + assertTrue(s.contains(m3)); + assertTrue(s.contains(m4)); + assertTrue(s.contains(m5)); } /** - * keySet is ordered + * keySet is ordered */ public void testDescendingKeySetOrder() { ConcurrentNavigableMap map = dmap5(); - Set s = map.keySet(); + Set s = map.keySet(); Iterator i = s.iterator(); Integer last = (Integer)i.next(); assertEquals(last, m1); @@ -876,65 +858,64 @@ public class ConcurrentSkipListSubMapTes */ public void testDescendingValues() { ConcurrentNavigableMap map = dmap5(); - Collection s = map.values(); - assertEquals(5, s.size()); - assertTrue(s.contains("A")); - assertTrue(s.contains("B")); - assertTrue(s.contains("C")); - assertTrue(s.contains("D")); - assertTrue(s.contains("E")); + Collection s = map.values(); + assertEquals(5, s.size()); + assertTrue(s.contains("A")); + assertTrue(s.contains("B")); + assertTrue(s.contains("C")); + assertTrue(s.contains("D")); + assertTrue(s.contains("E")); } /** - * keySet.toArray returns contains all keys + * keySet.toArray returns contains all keys */ public void testDescendingAscendingKeySetToArray() { ConcurrentNavigableMap map = dmap5(); - Set s = map.keySet(); + Set s = map.keySet(); Object[] ar = s.toArray(); assertTrue(s.containsAll(Arrays.asList(ar))); - assertEquals(5, ar.length); + assertEquals(5, ar.length); ar[0] = m10; assertFalse(s.containsAll(Arrays.asList(ar))); } /** - * descendingkeySet.toArray returns contains all keys + * descendingkeySet.toArray returns contains all keys */ public void testDescendingDescendingKeySetToArray() { ConcurrentNavigableMap map = dmap5(); - Set s = map.descendingKeySet(); + Set s = map.descendingKeySet(); Object[] ar = s.toArray(); - assertEquals(5, ar.length); + assertEquals(5, ar.length); assertTrue(s.containsAll(Arrays.asList(ar))); ar[0] = m10; assertFalse(s.containsAll(Arrays.asList(ar))); } /** - * Values.toArray contains all values + * Values.toArray contains all values */ public void testDescendingValuesToArray() { ConcurrentNavigableMap map = dmap5(); - Collection v = map.values(); + Collection v = map.values(); Object[] ar = v.toArray(); ArrayList s = new ArrayList(Arrays.asList(ar)); - assertEquals(5, ar.length); - assertTrue(s.contains("A")); - assertTrue(s.contains("B")); - assertTrue(s.contains("C")); - assertTrue(s.contains("D")); - assertTrue(s.contains("E")); + assertEquals(5, ar.length); + assertTrue(s.contains("A")); + assertTrue(s.contains("B")); + assertTrue(s.contains("C")); + assertTrue(s.contains("D")); + assertTrue(s.contains("E")); } - /** * entrySet contains all pairs */ public void testDescendingEntrySet() { ConcurrentNavigableMap map = dmap5(); - Set s = map.entrySet(); - assertEquals(5, s.size()); + Set s = map.entrySet(); + assertEquals(5, s.size()); Iterator it = s.iterator(); while (it.hasNext()) { Map.Entry e = (Map.Entry) it.next(); @@ -948,31 +929,31 @@ public class ConcurrentSkipListSubMapTes } /** - * putAll adds all key-value pairs from the given map + * putAll adds all key-value pairs from the given map */ public void testDescendingPutAll() { ConcurrentNavigableMap empty = dmap0(); ConcurrentNavigableMap map = dmap5(); - empty.putAll(map); - assertEquals(5, empty.size()); - assertTrue(empty.containsKey(m1)); - assertTrue(empty.containsKey(m2)); - assertTrue(empty.containsKey(m3)); - assertTrue(empty.containsKey(m4)); - assertTrue(empty.containsKey(m5)); + empty.putAll(map); + assertEquals(5, empty.size()); + assertTrue(empty.containsKey(m1)); + assertTrue(empty.containsKey(m2)); + assertTrue(empty.containsKey(m3)); + assertTrue(empty.containsKey(m4)); + assertTrue(empty.containsKey(m5)); } /** - * putIfAbsent works when the given key is not present + * putIfAbsent works when the given key is not present */ public void testDescendingPutIfAbsent() { ConcurrentNavigableMap map = dmap5(); - map.putIfAbsent(six, "Z"); + map.putIfAbsent(six, "Z"); assertTrue(map.containsKey(six)); } /** - * putIfAbsent does not add the pair if the key is already present + * putIfAbsent does not add the pair if the key is already present */ public void testDescendingPutIfAbsent2() { ConcurrentNavigableMap map = dmap5(); @@ -980,16 +961,16 @@ public class ConcurrentSkipListSubMapTes } /** - * replace fails when the given key is not present + * replace fails when the given key is not present */ public void testDescendingReplace() { ConcurrentNavigableMap map = dmap5(); - assertNull(map.replace(six, "Z")); + assertNull(map.replace(six, "Z")); assertFalse(map.containsKey(six)); } /** - * replace succeeds if the key is already present + * replace succeeds if the key is already present */ public void testDescendingReplace2() { ConcurrentNavigableMap map = dmap5(); @@ -997,14 +978,13 @@ public class ConcurrentSkipListSubMapTes assertEquals("Z", map.get(m1)); } - /** * replace value fails when the given key not mapped to expected value */ public void testDescendingReplaceValue() { ConcurrentNavigableMap map = dmap5(); assertEquals("A", map.get(m1)); - assertFalse(map.replace(m1, "Z", "Z")); + assertFalse(map.replace(m1, "Z", "Z")); assertEquals("A", map.get(m1)); } @@ -1014,19 +994,18 @@ public class ConcurrentSkipListSubMapTes public void testDescendingReplaceValue2() { ConcurrentNavigableMap map = dmap5(); assertEquals("A", map.get(m1)); - assertTrue(map.replace(m1, "A", "Z")); + assertTrue(map.replace(m1, "A", "Z")); assertEquals("Z", map.get(m1)); } - /** - * remove removes the correct key-value pair from the map + * remove removes the correct key-value pair from the map */ public void testDescendingRemove() { ConcurrentNavigableMap map = dmap5(); - map.remove(m5); - assertEquals(4, map.size()); - assertFalse(map.containsKey(m5)); + map.remove(m5); + assertEquals(4, map.size()); + assertFalse(map.containsKey(m5)); } /** @@ -1034,15 +1013,14 @@ public class ConcurrentSkipListSubMapTes */ public void testDescendingRemove2() { ConcurrentNavigableMap map = dmap5(); - assertTrue(map.containsKey(m5)); + assertTrue(map.containsKey(m5)); assertEquals("E", map.get(m5)); - map.remove(m5, "E"); - assertEquals(4, map.size()); - assertFalse(map.containsKey(m5)); - map.remove(m4, "A"); - assertEquals(4, map.size()); - assertTrue(map.containsKey(m4)); - + map.remove(m5, "E"); + assertEquals(4, map.size()); + assertFalse(map.containsKey(m5)); + map.remove(m4, "A"); + assertEquals(4, map.size()); + assertTrue(map.containsKey(m4)); } /** @@ -1061,7 +1039,6 @@ public class ConcurrentSkipListSubMapTes Map.Entry e4 = map.lowerEntry(zero); assertNull(e4); - } /** @@ -1080,7 +1057,6 @@ public class ConcurrentSkipListSubMapTes Map.Entry e4 = map.higherEntry(m6); assertNull(e4); - } /** @@ -1099,7 +1075,6 @@ public class ConcurrentSkipListSubMapTes Map.Entry e4 = map.floorEntry(zero); assertNull(e4); - } /** @@ -1118,7 +1093,6 @@ public class ConcurrentSkipListSubMapTes Map.Entry e4 = map.ceilingEntry(m6); assertNull(e4); - } /** @@ -1143,8 +1117,7 @@ public class ConcurrentSkipListSubMapTes try { e.setValue("A"); shouldThrow(); - } catch (Exception ok) { - } + } catch (UnsupportedOperationException success) {} e = map.pollFirstEntry(); assertNull(e); } @@ -1171,20 +1144,19 @@ public class ConcurrentSkipListSubMapTes try { e.setValue("E"); shouldThrow(); - } catch (Exception ok) { - } + } catch (UnsupportedOperationException success) {} e = map.pollLastEntry(); assertNull(e); } /** - * size returns the correct values + * size returns the correct values */ public void testDescendingSize() { ConcurrentNavigableMap map = dmap5(); ConcurrentNavigableMap empty = dmap0(); - assertEquals(0, empty.size()); - assertEquals(5, map.size()); + assertEquals(0, empty.size()); + assertEquals(5, map.size()); } /** @@ -1194,32 +1166,32 @@ public class ConcurrentSkipListSubMapTes ConcurrentNavigableMap map = dmap5(); String s = map.toString(); for (int i = 1; i <= 5; ++i) { - assertTrue(s.indexOf(String.valueOf(i)) >= 0); + assertTrue(s.contains(String.valueOf(i))); } } // Exception testDescendings /** - * get(null) of nm1mpty map throws NPE + * get(null) of empty map throws NPE */ public void testDescendingGet_NullPointerException() { try { ConcurrentNavigableMap c = dmap5(); c.get(null); shouldThrow(); - } catch(NullPointerException e){} + } catch (NullPointerException success) {} } /** - * containsKey(null) of nm1mpty map throws NPE + * containsKey(null) of empty map throws NPE */ public void testDescendingContainsKey_NullPointerException() { try { ConcurrentNavigableMap c = dmap5(); c.containsKey(null); shouldThrow(); - } catch(NullPointerException e){} + } catch (NullPointerException success) {} } /** @@ -1230,10 +1202,9 @@ public class ConcurrentSkipListSubMapTes ConcurrentNavigableMap c = dmap0(); c.containsValue(null); shouldThrow(); - } catch(NullPointerException e){} + } catch (NullPointerException success) {} } - /** * put(null,x) throws NPE */ @@ -1242,7 +1213,7 @@ public class ConcurrentSkipListSubMapTes ConcurrentNavigableMap c = dmap5(); c.put(null, "whatever"); shouldThrow(); - } catch(NullPointerException e){} + } catch (NullPointerException success) {} } /** @@ -1253,7 +1224,7 @@ public class ConcurrentSkipListSubMapTes ConcurrentNavigableMap c = dmap5(); c.putIfAbsent(null, "whatever"); shouldThrow(); - } catch(NullPointerException e){} + } catch (NullPointerException success) {} } /** @@ -1264,7 +1235,7 @@ public class ConcurrentSkipListSubMapTes ConcurrentNavigableMap c = dmap5(); c.replace(null, "whatever"); shouldThrow(); - } catch(NullPointerException e){} + } catch (NullPointerException success) {} } /** @@ -1275,7 +1246,7 @@ public class ConcurrentSkipListSubMapTes ConcurrentNavigableMap c = dmap5(); c.replace(null, m1, "whatever"); shouldThrow(); - } catch(NullPointerException e){} + } catch (NullPointerException success) {} } /** @@ -1286,7 +1257,7 @@ public class ConcurrentSkipListSubMapTes ConcurrentNavigableMap c = dmap5(); c.remove(null); shouldThrow(); - } catch(NullPointerException e){} + } catch (NullPointerException success) {} } /** @@ -1297,35 +1268,23 @@ public class ConcurrentSkipListSubMapTes ConcurrentNavigableMap c = dmap5(); c.remove(null, "whatever"); shouldThrow(); - } catch(NullPointerException e){} + } catch (NullPointerException success) {} } /** * A deserialized map equals original */ - public void testDescendingSerialization() { - ConcurrentNavigableMap q = dmap5(); - - try { - ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); - ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); - out.writeObject(q); - out.close(); - - ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); - ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); - ConcurrentNavigableMap r = (ConcurrentNavigableMap)in.readObject(); - assertEquals(q.size(), r.size()); - assertTrue(q.equals(r)); - assertTrue(r.equals(q)); - } catch(Exception e){ - e.printStackTrace(); - unexpectedException(); - } + public void testDescendingSerialization() throws Exception { + NavigableMap x = dmap5(); + NavigableMap y = serialClone(x); + + assertNotSame(x, y); + assertEquals(x.size(), y.size()); + assertEquals(x.toString(), y.toString()); + assertEquals(x, y); + assertEquals(y, x); } - - /** * subMap returns map with keys in requested range */ @@ -1355,7 +1314,7 @@ public class ConcurrentSkipListSubMapTes assertEquals(1, sm.size()); assertEquals(m3, sm.firstKey()); assertEquals(m3, sm.lastKey()); - assertTrue(sm.remove(m3) != null); + assertEquals("C", sm.remove(m3)); assertTrue(sm.isEmpty()); assertEquals(3, map.size()); } @@ -1383,7 +1342,7 @@ public class ConcurrentSkipListSubMapTes assertEquals(4, map.size()); assertEquals(0, sm.size()); assertTrue(sm.isEmpty()); - assertTrue(sm.remove(m3) == null); + assertSame(sm.remove(m3), null); assertEquals(4, map.size()); } @@ -1455,7 +1414,7 @@ public class ConcurrentSkipListSubMapTes SortedMap ssm = sm.tailMap(m4); assertEquals(m4, ssm.firstKey()); assertEquals(m5, ssm.lastKey()); - assertTrue(ssm.remove(m4) != null); + assertEquals("D", ssm.remove(m4)); assertEquals(1, ssm.size()); assertEquals(3, sm.size()); assertEquals(4, map.size());