--- jsr166/src/test/tck/CopyOnWriteArrayListTest.java 2003/09/25 11:02:41 1.5 +++ jsr166/src/test/tck/CopyOnWriteArrayListTest.java 2009/11/21 10:25:05 1.12 @@ -1,8 +1,9 @@ /* - * Written by members of JCP JSR-166 Expert Group and released to the - * public domain. Use, modify, and redistribute this code in any way - * without acknowledgement. Other contributors include Andrew Wright, - * Jeffrey Hayes, Pat Fischer, Mike Judd. + * 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 + * Other contributors include Andrew Wright, Jeffrey Hayes, + * Pat Fisher, Mike Judd. */ import junit.framework.*; @@ -10,20 +11,20 @@ import java.util.*; import java.util.concurrent.*; import java.io.*; -public class CopyOnWriteArrayListTest extends JSR166TestCase{ - +public class CopyOnWriteArrayListTest extends JSR166TestCase { + public static void main(String[] args) { - junit.textui.TestRunner.run (suite()); + junit.textui.TestRunner.run (suite()); } public static Test suite() { - return new TestSuite(CopyOnWriteArrayListTest.class); + return new TestSuite(CopyOnWriteArrayListTest.class); } - static CopyOnWriteArrayList populatedArray(int n){ - CopyOnWriteArrayList a = new CopyOnWriteArrayList(); + static CopyOnWriteArrayList populatedArray(int n) { + CopyOnWriteArrayList a = new CopyOnWriteArrayList(); assertTrue(a.isEmpty()); - for (int i = 0; i < n; ++i) + for (int i = 0; i < n; ++i) a.add(new Integer(i)); assertFalse(a.isEmpty()); assertEquals(n, a.size()); @@ -35,7 +36,7 @@ public class CopyOnWriteArrayListTest ex * a new list is empty */ public void testConstructor() { - CopyOnWriteArrayList a = new CopyOnWriteArrayList(); + CopyOnWriteArrayList a = new CopyOnWriteArrayList(); assertTrue(a.isEmpty()); } @@ -46,8 +47,8 @@ public class CopyOnWriteArrayListTest ex Integer[] ints = new Integer[SIZE]; for (int i = 0; i < SIZE-1; ++i) ints[i] = new Integer(i); - CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints); - for (int i = 0; i < SIZE; ++i) + CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints); + for (int i = 0; i < SIZE; ++i) assertEquals(ints[i], a.get(i)); } @@ -58,23 +59,23 @@ public class CopyOnWriteArrayListTest ex Integer[] ints = new Integer[SIZE]; for (int i = 0; i < SIZE-1; ++i) ints[i] = new Integer(i); - CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints)); - for (int i = 0; i < SIZE; ++i) + CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints)); + for (int i = 0; i < SIZE; ++i) assertEquals(ints[i], a.get(i)); } - + /** * addAll adds each element from the given collection */ public void testAddAll() { - CopyOnWriteArrayList full = populatedArray(3); - Vector v = new Vector(); - v.add(three); - v.add(four); - v.add(five); - full.addAll(v); - assertEquals(6, full.size()); + CopyOnWriteArrayList full = populatedArray(3); + Vector v = new Vector(); + v.add(three); + v.add(four); + v.add(five); + full.addAll(v); + assertEquals(6, full.size()); } /** @@ -82,29 +83,29 @@ public class CopyOnWriteArrayListTest ex * already exist in the List */ public void testAddAllAbsent() { - CopyOnWriteArrayList full = populatedArray(3); - Vector v = new Vector(); - v.add(three); - v.add(four); - v.add(one); // will not add this element - full.addAllAbsent(v); - assertEquals(5, full.size()); + CopyOnWriteArrayList full = populatedArray(3); + Vector v = new Vector(); + v.add(three); + v.add(four); + v.add(one); // will not add this element + full.addAllAbsent(v); + assertEquals(5, full.size()); } /** * addIfAbsent will not add the element if it already exists in the list */ public void testAddIfAbsent() { - CopyOnWriteArrayList full = populatedArray(SIZE); - full.addIfAbsent(one); - assertEquals(SIZE, full.size()); + CopyOnWriteArrayList full = populatedArray(SIZE); + full.addIfAbsent(one); + assertEquals(SIZE, full.size()); } /** * addIfAbsent adds the element when it does not exist in the list */ public void testAddIfAbsent2() { - CopyOnWriteArrayList full = populatedArray(SIZE); + CopyOnWriteArrayList full = populatedArray(SIZE); full.addIfAbsent(three); assertTrue(full.contains(three)); } @@ -113,9 +114,9 @@ public class CopyOnWriteArrayListTest ex * clear removes all elements from the list */ public void testClear() { - CopyOnWriteArrayList full = populatedArray(SIZE); - full.clear(); - assertEquals(0, full.size()); + CopyOnWriteArrayList full = populatedArray(SIZE); + full.clear(); + assertEquals(0, full.size()); } @@ -123,10 +124,10 @@ public class CopyOnWriteArrayListTest ex * Cloned list is equal */ public void testClone() { - CopyOnWriteArrayList l1 = populatedArray(SIZE); - CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone()); + CopyOnWriteArrayList l1 = populatedArray(SIZE); + CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone()); assertEquals(l1, l2); - l1.clear(); + l1.clear(); assertFalse(l1.equals(l2)); } @@ -134,16 +135,16 @@ public class CopyOnWriteArrayListTest ex * contains is true for added elements */ public void testContains() { - CopyOnWriteArrayList full = populatedArray(3); - assertTrue(full.contains(one)); - assertFalse(full.contains(five)); + CopyOnWriteArrayList full = populatedArray(3); + assertTrue(full.contains(one)); + assertFalse(full.contains(five)); } /** - * adding at an index places it in the indindicated index + * adding at an index places it in the indicated index */ public void testAddIndex() { - CopyOnWriteArrayList full = populatedArray(3); + CopyOnWriteArrayList full = populatedArray(3); full.add(0, m1); assertEquals(4, full.size()); assertEquals(m1, full.get(0)); @@ -159,8 +160,8 @@ public class CopyOnWriteArrayListTest ex * lists with same elements are equal and have same hashCode */ public void testEquals() { - CopyOnWriteArrayList a = populatedArray(3); - CopyOnWriteArrayList b = populatedArray(3); + CopyOnWriteArrayList a = populatedArray(3); + CopyOnWriteArrayList b = populatedArray(3); assertTrue(a.equals(b)); assertTrue(b.equals(a)); assertEquals(a.hashCode(), b.hashCode()); @@ -173,35 +174,35 @@ public class CopyOnWriteArrayListTest ex assertEquals(a.hashCode(), b.hashCode()); } - + /** * containsAll returns true for collection with subset of elements */ public void testContainsAll() { - CopyOnWriteArrayList full = populatedArray(3); - Vector v = new Vector(); - v.add(one); - v.add(two); - assertTrue(full.containsAll(v)); - v.add(six); - assertFalse(full.containsAll(v)); + CopyOnWriteArrayList full = populatedArray(3); + Vector v = new Vector(); + v.add(one); + v.add(two); + assertTrue(full.containsAll(v)); + v.add(six); + assertFalse(full.containsAll(v)); } /** - * get returns the value at the given index + * get returns the value at the given index */ public void testGet() { - CopyOnWriteArrayList full = populatedArray(3); - assertEquals(0, ((Integer)full.get(0)).intValue()); + CopyOnWriteArrayList full = populatedArray(3); + assertEquals(0, ((Integer)full.get(0)).intValue()); } /** * indexOf gives the index for the given object */ public void testIndexOf() { - CopyOnWriteArrayList full = populatedArray(3); - assertEquals(1, full.indexOf(one)); - assertEquals(-1, full.indexOf("puppies")); + CopyOnWriteArrayList full = populatedArray(3); + assertEquals(1, full.indexOf(one)); + assertEquals(-1, full.indexOf("puppies")); } /** @@ -209,154 +210,153 @@ public class CopyOnWriteArrayListTest ex * at which to start searching */ public void testIndexOf2() { - CopyOnWriteArrayList full = populatedArray(3); - assertEquals(1, full.indexOf(one, 0)); - assertEquals(-1, full.indexOf(one, 2)); + CopyOnWriteArrayList full = populatedArray(3); + assertEquals(1, full.indexOf(one, 0)); + assertEquals(-1, full.indexOf(one, 2)); } /** * isEmpty returns true when empty, else false */ public void testIsEmpty() { - CopyOnWriteArrayList empty = new CopyOnWriteArrayList(); - CopyOnWriteArrayList full = populatedArray(SIZE); - assertTrue(empty.isEmpty()); - assertFalse(full.isEmpty()); + CopyOnWriteArrayList empty = new CopyOnWriteArrayList(); + CopyOnWriteArrayList full = populatedArray(SIZE); + assertTrue(empty.isEmpty()); + assertFalse(full.isEmpty()); } /** - * iterator() returns an iterator containing the elements of the list + * iterator() returns an iterator containing the elements of the list */ public void testIterator() { - CopyOnWriteArrayList full = populatedArray(SIZE); - Iterator i = full.iterator(); - int j; - for(j = 0; i.hasNext(); j++) - assertEquals(j, ((Integer)i.next()).intValue()); - assertEquals(SIZE, j); + CopyOnWriteArrayList full = populatedArray(SIZE); + Iterator i = full.iterator(); + int j; + for (j = 0; i.hasNext(); j++) + assertEquals(j, ((Integer)i.next()).intValue()); + assertEquals(SIZE, j); } /** * iterator.remove throws UnsupportedOperationException */ public void testIteratorRemove () { - CopyOnWriteArrayList full = populatedArray(SIZE); + CopyOnWriteArrayList full = populatedArray(SIZE); Iterator it = full.iterator(); it.next(); try { it.remove(); shouldThrow(); - } - catch (UnsupportedOperationException success) {} + } catch (UnsupportedOperationException success) {} } /** * toString contains toString of elements */ public void testToString() { - CopyOnWriteArrayList full = populatedArray(3); + CopyOnWriteArrayList full = populatedArray(3); String s = full.toString(); for (int i = 0; i < 3; ++i) { assertTrue(s.indexOf(String.valueOf(i)) >= 0); } - } + } /** * lastIndexOf returns the index for the given object */ public void testLastIndexOf1() { - CopyOnWriteArrayList full = populatedArray(3); - full.add(one); - full.add(three); - assertEquals(3, full.lastIndexOf(one)); - assertEquals(-1, full.lastIndexOf(six)); + CopyOnWriteArrayList full = populatedArray(3); + full.add(one); + full.add(three); + assertEquals(3, full.lastIndexOf(one)); + assertEquals(-1, full.lastIndexOf(six)); } /** * lastIndexOf returns the index from the given starting point */ public void testlastIndexOf2() { - CopyOnWriteArrayList full = populatedArray(3); - full.add(one); - full.add(three); - assertEquals(3, full.lastIndexOf(one, 4)); - assertEquals(-1, full.lastIndexOf(three, 3)); + CopyOnWriteArrayList full = populatedArray(3); + full.add(one); + full.add(three); + assertEquals(3, full.lastIndexOf(one, 4)); + assertEquals(-1, full.lastIndexOf(three, 3)); } /** * listIterator traverses all elements */ public void testListIterator1() { - CopyOnWriteArrayList full = populatedArray(SIZE); - ListIterator i = full.listIterator(); - int j; - for(j = 0; i.hasNext(); j++) - assertEquals(j, ((Integer)i.next()).intValue()); - assertEquals(SIZE, j); + CopyOnWriteArrayList full = populatedArray(SIZE); + ListIterator i = full.listIterator(); + int j; + for (j = 0; i.hasNext(); j++) + assertEquals(j, ((Integer)i.next()).intValue()); + assertEquals(SIZE, j); } /** * listIterator only returns those elements after the given index */ public void testListIterator2() { - CopyOnWriteArrayList full = populatedArray(3); - ListIterator i = full.listIterator(1); - int j; - for(j = 0; i.hasNext(); j++) - assertEquals(j+1, ((Integer)i.next()).intValue()); - assertEquals(2, j); + CopyOnWriteArrayList full = populatedArray(3); + ListIterator i = full.listIterator(1); + int j; + for (j = 0; i.hasNext(); j++) + assertEquals(j+1, ((Integer)i.next()).intValue()); + assertEquals(2, j); } /** * remove removes and returns the object at the given index */ public void testRemove() { - CopyOnWriteArrayList full = populatedArray(3); - assertEquals(two, full.remove(2)); - assertEquals(2, full.size()); + CopyOnWriteArrayList full = populatedArray(3); + assertEquals(two, full.remove(2)); + assertEquals(2, full.size()); } /** * removeAll removes all elements from the given collection */ public void testRemoveAll() { - CopyOnWriteArrayList full = populatedArray(3); - Vector v = new Vector(); - v.add(one); - v.add(two); - full.removeAll(v); - assertEquals(1, full.size()); + CopyOnWriteArrayList full = populatedArray(3); + Vector v = new Vector(); + v.add(one); + v.add(two); + full.removeAll(v); + assertEquals(1, full.size()); } /** * set changes the element at the given index */ public void testSet() { - CopyOnWriteArrayList full = populatedArray(3); - assertEquals(two, full.set(2, four)); - assertEquals(4, ((Integer)full.get(2)).intValue()); + CopyOnWriteArrayList full = populatedArray(3); + assertEquals(two, full.set(2, four)); + assertEquals(4, ((Integer)full.get(2)).intValue()); } /** * size returns the number of elements */ public void testSize() { - CopyOnWriteArrayList empty = new CopyOnWriteArrayList(); - CopyOnWriteArrayList full = populatedArray(SIZE); - assertEquals(SIZE, full.size()); - assertEquals(0, empty.size()); + CopyOnWriteArrayList empty = new CopyOnWriteArrayList(); + CopyOnWriteArrayList full = populatedArray(SIZE); + assertEquals(SIZE, full.size()); + assertEquals(0, empty.size()); } /** * toArray returns an Object array containing all elements from the list */ public void testToArray() { - CopyOnWriteArrayList full = populatedArray(3); - Object[] o = full.toArray(); - assertEquals(3, o.length); - assertEquals(0, ((Integer)o[0]).intValue()); - assertEquals(1, ((Integer)o[1]).intValue()); - assertEquals(2, ((Integer)o[2]).intValue()); + CopyOnWriteArrayList full = populatedArray(3); + Object[] o = full.toArray(); + assertEquals(3, o.length); + assertEquals(0, ((Integer)o[0]).intValue()); + assertEquals(1, ((Integer)o[1]).intValue()); + assertEquals(2, ((Integer)o[2]).intValue()); } /** @@ -364,13 +364,13 @@ public class CopyOnWriteArrayListTest ex * the list */ public void testToArray2() { - CopyOnWriteArrayList full = populatedArray(3); - Integer[] i = new Integer[3]; - i = (Integer[])full.toArray(i); - assertEquals(3, i.length); - assertEquals(0, i[0].intValue()); - assertEquals(1, i[1].intValue()); - assertEquals(2, i[2].intValue()); + CopyOnWriteArrayList full = populatedArray(3); + Integer[] i = new Integer[3]; + i = (Integer[])full.toArray(i); + assertEquals(3, i.length); + assertEquals(0, i[0].intValue()); + assertEquals(1, i[1].intValue()); + assertEquals(2, i[2].intValue()); } @@ -378,22 +378,22 @@ public class CopyOnWriteArrayListTest ex * sublists contains elements at indexes offset from their base */ public void testSubList() { - CopyOnWriteArrayList a = populatedArray(10); + CopyOnWriteArrayList a = populatedArray(10); assertTrue(a.subList(1,1).isEmpty()); - for(int j = 0; j < 9; ++j) { - for(int i = j ; i < 10; ++i) { - List b = a.subList(j,i); - for(int k = j; k < i; ++k) { - assertEquals(new Integer(k), b.get(k-j)); - } - } - } + for (int j = 0; j < 9; ++j) { + for (int i = j ; i < 10; ++i) { + List b = a.subList(j,i); + for (int k = j; k < i; ++k) { + assertEquals(new Integer(k), b.get(k-j)); + } + } + } - List s = a.subList(2, 5); + List s = a.subList(2, 5); assertEquals(s.size(), 3); s.set(2, m1); assertEquals(a.get(4), m1); - s.clear(); + s.clear(); assertEquals(a.size(), 7); } @@ -409,8 +409,8 @@ public class CopyOnWriteArrayListTest ex c.add("zfasdfsdf"); c.add("asdadasd"); c.toArray(new Long[5]); - shouldThrow(); - } catch(ArrayStoreException e){} + shouldThrow(); + } catch (ArrayStoreException e) {} } /** @@ -421,9 +421,9 @@ public class CopyOnWriteArrayListTest ex CopyOnWriteArrayList c = new CopyOnWriteArrayList(); c.get(-1); shouldThrow(); - } catch(IndexOutOfBoundsException e){} + } catch (IndexOutOfBoundsException e) {} } - + /** * get throws an IndexOutOfBoundsException on a too high index */ @@ -434,7 +434,7 @@ public class CopyOnWriteArrayListTest ex c.add("asdad"); c.get(100); shouldThrow(); - } catch(IndexOutOfBoundsException e){} + } catch (IndexOutOfBoundsException e) {} } /** @@ -445,9 +445,9 @@ public class CopyOnWriteArrayListTest ex CopyOnWriteArrayList c = new CopyOnWriteArrayList(); c.set(-1,"qwerty"); shouldThrow(); - } catch(IndexOutOfBoundsException e){} + } catch (IndexOutOfBoundsException e) {} } - + /** * set throws an IndexOutOfBoundsException on a too high index */ @@ -458,7 +458,7 @@ public class CopyOnWriteArrayListTest ex c.add("asdad"); c.set(100, "qwerty"); shouldThrow(); - } catch(IndexOutOfBoundsException e){} + } catch (IndexOutOfBoundsException e) {} } /** @@ -469,9 +469,9 @@ public class CopyOnWriteArrayListTest ex CopyOnWriteArrayList c = new CopyOnWriteArrayList(); c.add(-1,"qwerty"); shouldThrow(); - } catch(IndexOutOfBoundsException e){} + } catch (IndexOutOfBoundsException e) {} } - + /** * add throws an IndexOutOfBoundsException on a too high index */ @@ -482,7 +482,7 @@ public class CopyOnWriteArrayListTest ex c.add("asdasdasd"); c.add(100, "qwerty"); shouldThrow(); - } catch(IndexOutOfBoundsException e){} + } catch (IndexOutOfBoundsException e) {} } /** @@ -493,7 +493,7 @@ public class CopyOnWriteArrayListTest ex CopyOnWriteArrayList c = new CopyOnWriteArrayList(); c.remove(-1); shouldThrow(); - } catch(IndexOutOfBoundsException e){} + } catch (IndexOutOfBoundsException e) {} } /** @@ -506,9 +506,9 @@ public class CopyOnWriteArrayListTest ex c.add("adasdasd"); c.remove(100); shouldThrow(); - } catch(IndexOutOfBoundsException e){} + } catch (IndexOutOfBoundsException e) {} } - + /** * addAll throws an IndexOutOfBoundsException on a negative index */ @@ -517,9 +517,9 @@ public class CopyOnWriteArrayListTest ex CopyOnWriteArrayList c = new CopyOnWriteArrayList(); c.addAll(-1,new LinkedList()); shouldThrow(); - } catch(IndexOutOfBoundsException e){} + } catch (IndexOutOfBoundsException e) {} } - + /** * addAll throws an IndexOutOfBoundsException on a too high index */ @@ -530,7 +530,7 @@ public class CopyOnWriteArrayListTest ex c.add("asdasdasd"); c.addAll(100, new LinkedList()); shouldThrow(); - } catch(IndexOutOfBoundsException e){} + } catch (IndexOutOfBoundsException e) {} } /** @@ -541,7 +541,7 @@ public class CopyOnWriteArrayListTest ex CopyOnWriteArrayList c = new CopyOnWriteArrayList(); c.listIterator(-1); shouldThrow(); - } catch(IndexOutOfBoundsException e){} + } catch (IndexOutOfBoundsException e) {} } /** @@ -554,7 +554,7 @@ public class CopyOnWriteArrayListTest ex c.add("asdasdas"); c.listIterator(100); shouldThrow(); - } catch(IndexOutOfBoundsException e){} + } catch (IndexOutOfBoundsException e) {} } /** @@ -566,7 +566,7 @@ public class CopyOnWriteArrayListTest ex c.subList(-1,100); shouldThrow(); - } catch(IndexOutOfBoundsException e){} + } catch (IndexOutOfBoundsException e) {} } /** @@ -578,12 +578,12 @@ public class CopyOnWriteArrayListTest ex c.add("asdasd"); c.subList(1,100); shouldThrow(); - } catch(IndexOutOfBoundsException e){} + } catch (IndexOutOfBoundsException e) {} } /** * subList throws IndexOutOfBoundsException when the second index - * is lower then the first + * is lower then the first */ public void testSubList3_IndexOutOfBoundsException() { try { @@ -591,30 +591,26 @@ public class CopyOnWriteArrayListTest ex c.subList(3,1); shouldThrow(); - } catch(IndexOutOfBoundsException e){} + } catch (IndexOutOfBoundsException e) {} } /** * a deserialized serialiszed list is equal */ - public void testSerialization() { + public void testSerialization() throws Exception { CopyOnWriteArrayList q = populatedArray(SIZE); - 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)); - CopyOnWriteArrayList r = (CopyOnWriteArrayList)in.readObject(); - assertEquals(q.size(), r.size()); - assertTrue(q.equals(r)); - assertTrue(r.equals(q)); - } catch(Exception e){ - unexpectedException(); - } + 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)); + CopyOnWriteArrayList r = (CopyOnWriteArrayList)in.readObject(); + assertEquals(q.size(), r.size()); + assertTrue(q.equals(r)); + assertTrue(r.equals(q)); } - + }