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From mikemcc...@apache.org
Subject svn commit: r698487 - in /lucene/java/trunk/src: java/org/apache/lucene/search/spans/NearSpansUnordered.java test/org/apache/lucene/search/spans/TestSpans.java
Date Wed, 24 Sep 2008 09:45:25 GMT
Author: mikemccand
Date: Wed Sep 24 02:45:25 2008
New Revision: 698487

URL: http://svn.apache.org/viewvc?rev=698487&view=rev
Log:
LUCENE-1404: fixed NPE in NearSpansUnordered.isPayloadAvailable

Modified:
    lucene/java/trunk/src/java/org/apache/lucene/search/spans/NearSpansUnordered.java
    lucene/java/trunk/src/test/org/apache/lucene/search/spans/TestSpans.java

Modified: lucene/java/trunk/src/java/org/apache/lucene/search/spans/NearSpansUnordered.java
URL: http://svn.apache.org/viewvc/lucene/java/trunk/src/java/org/apache/lucene/search/spans/NearSpansUnordered.java?rev=698487&r1=698486&r2=698487&view=diff
==============================================================================
--- lucene/java/trunk/src/java/org/apache/lucene/search/spans/NearSpansUnordered.java (original)
+++ lucene/java/trunk/src/java/org/apache/lucene/search/spans/NearSpansUnordered.java Wed
Sep 24 02:45:25 2008
@@ -225,16 +225,16 @@
   }
 
   // TODO: Remove warning after API has been finalized
- public boolean isPayloadAvailable() {
-   SpansCell pointer = min();
-   do {
-     if(pointer.isPayloadAvailable()) {
-       return true;
-     }
-     pointer = pointer.next;
-   } while(pointer.next != null);
+  public boolean isPayloadAvailable() {
+    SpansCell pointer = min();
+    while (pointer != null) {
+      if (pointer.isPayloadAvailable()) {
+        return true;
+      }
+      pointer = pointer.next;
+    }
 
-   return false;
+    return false;
   }
 
   public String toString() {

Modified: lucene/java/trunk/src/test/org/apache/lucene/search/spans/TestSpans.java
URL: http://svn.apache.org/viewvc/lucene/java/trunk/src/test/org/apache/lucene/search/spans/TestSpans.java?rev=698487&r1=698486&r2=698487&view=diff
==============================================================================
--- lucene/java/trunk/src/test/org/apache/lucene/search/spans/TestSpans.java (original)
+++ lucene/java/trunk/src/test/org/apache/lucene/search/spans/TestSpans.java Wed Sep 24 02:45:25
2008
@@ -23,9 +23,14 @@
 import org.apache.lucene.search.Similarity;
 import org.apache.lucene.search.DefaultSimilarity;
 import org.apache.lucene.search.Scorer;
+import org.apache.lucene.search.TermQuery;
 import org.apache.lucene.search.Searcher;
 import org.apache.lucene.store.RAMDirectory;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.store.MockRAMDirectory;
+import org.apache.lucene.analysis.standard.StandardAnalyzer;
 import org.apache.lucene.index.IndexWriter;
+import org.apache.lucene.index.IndexReader;
 import org.apache.lucene.index.Term;
 import org.apache.lucene.analysis.WhitespaceAnalyzer;
 import org.apache.lucene.document.Document;
@@ -389,4 +394,63 @@
     assertTrue("first doc score should be zero, " + score, score == 0.0f);
     assertTrue("no second doc", ! spanScorer.next());
   }
+
+  // LUCENE-1404
+  private void addDoc(IndexWriter writer, String id, String text) throws IOException {
+    final Document doc = new Document();
+    doc.add( new Field("id", id, Field.Store.YES, Field.Index.UN_TOKENIZED) );
+    doc.add( new Field("text", text, Field.Store.YES, Field.Index.TOKENIZED) );
+    writer.addDocument(doc);
+  }
+
+  // LUCENE-1404
+  private int hitCount(Searcher searcher, String word) throws Throwable {
+    return searcher.search(new TermQuery(new Term("text", word)), 10).totalHits;
+  }
+
+  // LUCENE-1404
+  private SpanQuery createSpan(String value) {
+    return new SpanTermQuery(new Term("text", value));
+  }                     
+  
+  // LUCENE-1404
+  private SpanQuery createSpan(int slop, boolean ordered, SpanQuery[] clauses) {
+    return new SpanNearQuery(clauses, slop, ordered);
+  }
+
+  // LUCENE-1404
+  private SpanQuery createSpan(int slop, boolean ordered, String term1, String term2) {
+    return createSpan(slop, ordered, new SpanQuery[] {createSpan(term1), createSpan(term2)});
+  }
+
+  // LUCENE-1404
+  public void testNPESpanQuery() throws Throwable {
+    final Directory dir = new MockRAMDirectory();
+    final IndexWriter writer = new IndexWriter(dir, new StandardAnalyzer(new String[0]),
IndexWriter.MaxFieldLength.LIMITED);
+
+    // Add documents
+    addDoc(writer, "1", "the big dogs went running to the market");
+    addDoc(writer, "2", "the cat chased the mouse, then the cat ate the mouse quickly");
+    
+    // Commit
+    writer.close();
+
+    // Get searcher
+    final IndexReader reader = IndexReader.open(dir);
+    final IndexSearcher searcher = new IndexSearcher(reader);
+
+    // Control (make sure docs indexed)
+    assertEquals(2, hitCount(searcher, "the"));
+    assertEquals(1, hitCount(searcher, "cat"));
+    assertEquals(1, hitCount(searcher, "dogs"));
+    assertEquals(0, hitCount(searcher, "rabbit"));
+
+    // This throws exception (it shouldn't)
+    assertEquals(1,
+                 searcher.search(createSpan(0, true,                                 
+                                            new SpanQuery[] {createSpan(4, false, "chased",
"cat"),
+                                                             createSpan("ate")}), 10).totalHits);
+    reader.close();
+    dir.close();
+  }
 }



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