pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / contrib / instantiated / src / test / org / apache / lucene / store / instantiated / TestEmptyIndex.java

diff --git a/lucene-java-3.5.0/lucene/contrib/instantiated/src/test/org/apache/lucene/store/instantiated/TestEmptyIndex.java b/lucene-java-3.5.0/lucene/contrib/instantiated/src/test/org/apache/lucene/store/instantiated/TestEmptyIndex.java
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+/**
+ * Copyright 2006 The Apache Software Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.lucene.store.instantiated;
+
+import java.io.IOException;
+import java.util.Arrays;
+
+import org.apache.lucene.analysis.MockAnalyzer;
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.IndexWriter;
+import org.apache.lucene.index.Term;
+import org.apache.lucene.index.TermEnum;
+import org.apache.lucene.search.IndexSearcher;
+import org.apache.lucene.search.TermQuery;
+import org.apache.lucene.search.TopDocs;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.util.LuceneTestCase;
+
+public class TestEmptyIndex extends LuceneTestCase {
+
+  public void testSearch() throws Exception {
+
+    InstantiatedIndex ii = new InstantiatedIndex();
+
+    IndexReader r = new InstantiatedIndexReader(ii);
+    IndexSearcher s = newSearcher(r);
+
+    TopDocs td = s.search(new TermQuery(new Term("foo", "bar")), 1);
+
+    assertEquals(0, td.totalHits);
+
+    s.close();
+    r.close();
+    ii.close();
+
+  }
+
+  public void testNorms() throws Exception {
+
+    InstantiatedIndex ii = new InstantiatedIndex();
+    IndexReader r = new InstantiatedIndexReader(ii);
+    testNorms(r);
+    r.close();
+    ii.close();
+
+    // make sure a Directory acts the same
+    Directory d = newDirectory();
+    new IndexWriter(d, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random))).close();
+    r = IndexReader.open(d, false);
+    testNorms(r);
+    r.close();
+    d.close();
+
+  }
+
+  private void testNorms(IndexReader r) throws IOException {
+    byte[] norms;
+    norms = r.norms("foo");
+    if (norms != null) {
+      assertEquals(0, norms.length);
+      norms = new byte[10];
+      Arrays.fill(norms, (byte)10);
+      r.norms("foo", norms, 10);
+      for (byte b : norms) {
+        assertEquals((byte)10, b);
+      }
+    }
+  }
+
+  public void testTermEnum() throws Exception {
+
+    InstantiatedIndex ii = new InstantiatedIndex();
+    IndexReader r = new InstantiatedIndexReader(ii);
+    termEnumTest(r);
+    r.close();
+    ii.close();
+
+    // make sure a Directory acts the same
+    Directory d = newDirectory();
+    new IndexWriter(d, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random))).close();
+    r = IndexReader.open(d, false);
+    termEnumTest(r);
+    r.close();
+    d.close();
+  }
+
+  public void termEnumTest(IndexReader r) throws Exception {
+    TermEnum terms = r.terms();
+
+    assertNull(terms.term());
+    assertFalse(terms.next());
+
+  }
+
+}