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Posted to commits@harmony.apache.org by "spark shen (JIRA)" <ji...@apache.org> on 2006/08/14 05:52:15 UTC
[jira] Updated: (HARMONY-1161) [classlib][luni]
java.util.TreeMap.subMap(Object, Object).size() throws unspecified NPE.
[ http://issues.apache.org/jira/browse/HARMONY-1161?page=all ]
spark shen updated HARMONY-1161:
--------------------------------
Attachment: Harmony-1161.diff
Would you please try this patch?
Best regards
Spark Shen
> [classlib][luni] java.util.TreeMap.subMap(Object, Object).size() throws unspecified NPE.
> ----------------------------------------------------------------------------------------
>
> Key: HARMONY-1161
> URL: http://issues.apache.org/jira/browse/HARMONY-1161
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Reporter: spark shen
> Attachments: Harmony-1161.diff
>
>
> java.util.TreeMap.subMap(Object, Object).size() throws unspecified NPE under
> certain case. Demonstrated below:
> Code snippet:
> class MockComparatorNullTolerable implements Comparator<String> {
> public int compare(String o1, String o2) {
> if( o1 == o2 ) {
> return 0;
> }
> if( null == o1 ) {
> return -1;
> }
> return o1.compareTo(o2);
> }
> }
> public CollationKey getCollationKey(String arg0) {
> return null;
> }
> public int hashCode() {
> return 0;
> }
> }
> public void test_subMapLjava_lang_ObjectLjava_lang_Object() {
> TreeMap<String, String> map1 = new TreeMap<String, String>(new
> MockComparatorNullTolerable ());
> map1.put("key1" , "value1");
> map1.put(null, "value1");
> SortedMap<String, String> subMap = map1.subMap( null, "key1");
> assertEquals("Size of subMap should be 1:", 1, subMapWithNull.size());
> }
> When subMap.size() is called on Harmony, a NullPointerException will be thrown
> out. But On RI, no such exception will be thrown out.
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