X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/test/org/apache/lucene/analysis/util/TestCharArrayIterator.java?ds=sidebyside

diff --git a/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/test/org/apache/lucene/analysis/util/TestCharArrayIterator.java b/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/test/org/apache/lucene/analysis/util/TestCharArrayIterator.java
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+++ b/lucene-java-3.5.0/lucene/contrib/analyzers/common/src/test/org/apache/lucene/analysis/util/TestCharArrayIterator.java
@@ -0,0 +1,162 @@
+package org.apache.lucene.analysis.util;
+
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+import java.text.BreakIterator;
+import java.text.CharacterIterator;
+import java.util.Locale;
+
+import org.apache.lucene.util.LuceneTestCase;
+import org.apache.lucene.util.UnicodeUtil;
+import org.apache.lucene.util._TestUtil;
+
+public class TestCharArrayIterator extends LuceneTestCase {
+  
+  public void testWordInstance() {
+    doTests(CharArrayIterator.newWordInstance());
+  }
+  
+  public void testConsumeWordInstance() {
+    BreakIterator bi = BreakIterator.getWordInstance();
+    CharArrayIterator ci = CharArrayIterator.newWordInstance();
+    for (int i = 0; i < 10000; i++) {
+      char text[] = _TestUtil.randomUnicodeString(random).toCharArray();
+      ci.setText(text, 0, text.length);
+      consume(bi, ci);
+    }
+  }
+  
+  /* run this to test if your JRE is buggy
+  public void testWordInstanceJREBUG() {
+    BreakIterator bi = BreakIterator.getWordInstance();
+    Segment ci = new Segment();
+    for (int i = 0; i < 10000; i++) {
+      char text[] = _TestUtil.randomUnicodeString(random).toCharArray();
+      ci.array = text;
+      ci.offset = 0;
+      ci.count = text.length;
+      consume(bi, ci);
+    }
+  }
+  */
+  
+  public void testSentenceInstance() {
+    doTests(CharArrayIterator.newSentenceInstance());
+  }
+  
+  public void testConsumeSentenceInstance() {
+    BreakIterator bi = BreakIterator.getSentenceInstance();
+    CharArrayIterator ci = CharArrayIterator.newSentenceInstance();
+    for (int i = 0; i < 10000; i++) {
+      char text[] = _TestUtil.randomUnicodeString(random).toCharArray();
+      ci.setText(text, 0, text.length);
+      consume(bi, ci);
+    }
+  }
+  
+  /* run this to test if your JRE is buggy
+  public void testSentenceInstanceJREBUG() {
+    BreakIterator bi = BreakIterator.getSentenceInstance();
+    Segment ci = new Segment();
+    for (int i = 0; i < 10000; i++) {
+      char text[] = _TestUtil.randomUnicodeString(random).toCharArray();
+      ci.array = text;
+      ci.offset = 0;
+      ci.count = text.length;
+      consume(bi, ci);
+    }
+  }
+  */
+  
+  private void doTests(CharArrayIterator ci) {
+    // basics
+    ci.setText("testing".toCharArray(), 0, "testing".length());
+    assertEquals(0, ci.getBeginIndex());
+    assertEquals(7, ci.getEndIndex());
+    assertEquals(0, ci.getIndex());
+    assertEquals('t', ci.current());
+    assertEquals('e', ci.next());
+    assertEquals('g', ci.last());
+    assertEquals('n', ci.previous());
+    assertEquals('t', ci.first());
+    assertEquals(CharacterIterator.DONE, ci.previous());
+    
+    // first()
+    ci.setText("testing".toCharArray(), 0, "testing".length());
+    ci.next();
+    // Sets the position to getBeginIndex() and returns the character at that position. 
+    assertEquals('t', ci.first());
+    assertEquals(ci.getBeginIndex(), ci.getIndex());
+    // or DONE if the text is empty
+    ci.setText(new char[] {}, 0, 0);
+    assertEquals(CharacterIterator.DONE, ci.first());
+    
+    // last()
+    ci.setText("testing".toCharArray(), 0, "testing".length());
+    // Sets the position to getEndIndex()-1 (getEndIndex() if the text is empty) 
+    // and returns the character at that position. 
+    assertEquals('g', ci.last());
+    assertEquals(ci.getIndex(), ci.getEndIndex() - 1);
+    // or DONE if the text is empty
+    ci.setText(new char[] {}, 0, 0);
+    assertEquals(CharacterIterator.DONE, ci.last());
+    assertEquals(ci.getEndIndex(), ci.getIndex());
+    
+    // current()
+    // Gets the character at the current position (as returned by getIndex()). 
+    ci.setText("testing".toCharArray(), 0, "testing".length());
+    assertEquals('t', ci.current());
+    ci.last();
+    ci.next();
+    // or DONE if the current position is off the end of the text.
+    assertEquals(CharacterIterator.DONE, ci.current());
+    
+    // next()
+    ci.setText("te".toCharArray(), 0, 2);
+    // Increments the iterator's index by one and returns the character at the new index.
+    assertEquals('e', ci.next());
+    assertEquals(1, ci.getIndex());
+    // or DONE if the new position is off the end of the text range.
+    assertEquals(CharacterIterator.DONE, ci.next());
+    assertEquals(ci.getEndIndex(), ci.getIndex());
+    
+    // setIndex()
+    ci.setText("test".toCharArray(), 0, "test".length());
+    try {
+      ci.setIndex(5);
+      fail();
+    } catch (Exception e) {
+      assertTrue(e instanceof IllegalArgumentException);
+    }
+    
+    // clone()
+    char text[] = "testing".toCharArray();
+    ci.setText(text, 0, text.length);
+    ci.next();
+    CharArrayIterator ci2 = (CharArrayIterator) ci.clone();
+    assertEquals(ci.getIndex(), ci2.getIndex());
+    assertEquals(ci.next(), ci2.next());
+    assertEquals(ci.last(), ci2.last());
+  }
+  
+  private void consume(BreakIterator bi, CharacterIterator ci) {
+    bi.setText(ci);
+    while (bi.next() != BreakIterator.DONE)
+      ;
+  }
+}