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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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*/ |
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import junit.framework.*; |
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import java.util.*; |
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import java.util.concurrent.*; |
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import java.io.*; |
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import java.util.Arrays; |
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import java.util.BitSet; |
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import java.util.Collection; |
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import java.util.Iterator; |
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import java.util.Map; |
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import java.util.NavigableMap; |
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import java.util.NavigableSet; |
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import java.util.NoSuchElementException; |
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import java.util.Random; |
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import java.util.Set; |
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import java.util.TreeMap; |
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|
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import junit.framework.Test; |
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public class TreeMapTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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junit.textui.TestRunner.run(suite()); |
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main(suite(), args); |
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} |
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public static Test suite() { |
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return new TestSuite(TreeMapTest.class); |
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class Implementation implements MapImplementation { |
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public Class<?> klazz() { return TreeMap.class; } |
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public Map emptyMap() { return new TreeMap(); } |
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public Object makeKey(int i) { return i; } |
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public Object makeValue(int i) { return i; } |
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public boolean isConcurrent() { return false; } |
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public boolean permitsNullKeys() { return false; } |
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public boolean permitsNullValues() { return true; } |
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public boolean supportsSetValue() { return true; } |
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} |
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return newTestSuite( |
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TreeMapTest.class, |
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MapTest.testSuite(new Implementation())); |
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} |
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/** |
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* Create a map from Integers 1-5 to Strings "A"-"E". |
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* Returns a new map from Integers 1-5 to Strings "A"-"E". |
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*/ |
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private static TreeMap map5() { |
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TreeMap map = new TreeMap(); |
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public void testClear() { |
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TreeMap map = map5(); |
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map.clear(); |
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assertEquals(map.size(), 0); |
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assertEquals(0, map.size()); |
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} |
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/** |
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* |
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* copy constructor creates map equal to source map |
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*/ |
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public void testConstructFromSorted() { |
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TreeMap map = map5(); |
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assertEquals(five, map.lastKey()); |
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} |
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/** |
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* keySet.toArray returns contains all keys |
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*/ |
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last = k; |
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++count; |
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} |
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assertEquals(count ,5); |
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assertEquals(5, count); |
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} |
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/** |
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last = k; |
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++count; |
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} |
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assertEquals(count ,5); |
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assertEquals(5, count); |
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} |
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/** |
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last = k; |
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++count; |
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} |
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assertEquals(count, 5); |
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assertEquals(5, count); |
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} |
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/** |
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last = k; |
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++count; |
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} |
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assertEquals(count, 5); |
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assertEquals(5, count); |
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} |
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/** |
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assertNull(e4); |
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} |
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/** |
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* lowerKey returns preceding element |
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*/ |
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TreeMap map = map5(); |
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String s = map.toString(); |
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for (int i = 1; i <= 5; ++i) { |
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assertTrue(s.indexOf(String.valueOf(i)) >= 0); |
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assertTrue(s.contains(String.valueOf(i))); |
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} |
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} |
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* get(null) of nonempty map throws NPE |
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*/ |
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public void testGet_NullPointerException() { |
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TreeMap c = map5(); |
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try { |
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TreeMap c = map5(); |
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c.get(null); |
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shouldThrow(); |
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} catch (NullPointerException success) {} |
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* containsKey(null) of nonempty map throws NPE |
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*/ |
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public void testContainsKey_NullPointerException() { |
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TreeMap c = map5(); |
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try { |
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TreeMap c = map5(); |
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c.containsKey(null); |
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shouldThrow(); |
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} catch (NullPointerException success) {} |
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* remove(null) throws NPE for nonempty map |
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*/ |
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public void testRemove1_NullPointerException() { |
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TreeMap c = new TreeMap(); |
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c.put("sadsdf", "asdads"); |
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try { |
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TreeMap c = new TreeMap(); |
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c.put("sadsdf", "asdads"); |
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c.remove(null); |
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shouldThrow(); |
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} catch (NullPointerException success) {} |
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} |
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/** |
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* A deserialized map equals original |
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* A deserialized/reserialized map equals original |
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*/ |
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public void testSerialization() throws Exception { |
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TreeMap q = map5(); |
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NavigableMap x = map5(); |
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NavigableMap y = serialClone(x); |
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ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
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ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
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out.writeObject(q); |
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out.close(); |
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ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
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ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
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TreeMap r = (TreeMap)in.readObject(); |
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assertEquals(q.size(), r.size()); |
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assertTrue(q.equals(r)); |
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assertTrue(r.equals(q)); |
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assertNotSame(x, y); |
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assertEquals(x.size(), y.size()); |
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assertEquals(x.toString(), y.toString()); |
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assertEquals(x, y); |
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assertEquals(y, x); |
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} |
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/** |
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static NavigableMap<Integer, Integer> newMap(Class cl) throws Exception { |
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NavigableMap<Integer, Integer> result |
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= (NavigableMap<Integer, Integer>) cl.newInstance(); |
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assertEquals(result.size(), 0); |
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= (NavigableMap<Integer, Integer>) cl.getConstructor().newInstance(); |
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assertEquals(0, result.size()); |
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assertFalse(result.keySet().iterator().hasNext()); |
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return result; |
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} |
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// Add entries till we're back to original size |
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while (map.size() < size) { |
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int key = min + rnd.nextInt(rangeSize); |
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assertTrue(key >= min && key<= max); |
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assertTrue(key >= min && key <= max); |
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put(map, key); |
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} |
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} |
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// Add entries till we're back to original size |
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while (map.size() < size) { |
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int key = min - 5 + rnd.nextInt(rangeSize + 10); |
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if (key >= min && key<= max) { |
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if (key >= min && key <= max) { |
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put(map, key); |
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} else { |
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try { |
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*/ |
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void check(NavigableMap<Integer, Integer> map, |
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final int min, final int max, final boolean ascending) { |
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class ReferenceSet { |
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class ReferenceSet { |
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int lower(int key) { |
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return ascending ? lowerAscending(key) : higherAscending(key); |
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} |
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if (bsContainsI) |
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size++; |
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} |
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assertEquals(map.size(), size); |
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assertEquals(size, map.size()); |
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// Test contents using contains keySet iterator |
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int size2 = 0; |