pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / contrib / facet / src / test / org / apache / lucene / util / UnsafeByteArrayInputStreamTest.java

diff --git a/lucene-java-3.5.0/lucene/contrib/facet/src/test/org/apache/lucene/util/UnsafeByteArrayInputStreamTest.java b/lucene-java-3.5.0/lucene/contrib/facet/src/test/org/apache/lucene/util/UnsafeByteArrayInputStreamTest.java
new file mode 100644 (file)
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+++ b/lucene-java-3.5.0/lucene/contrib/facet/src/test/org/apache/lucene/util/UnsafeByteArrayInputStreamTest.java
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+package org.apache.lucene.util;
+
+import java.io.IOException;
+import java.util.Arrays;
+
+import org.junit.Test;
+
+import org.apache.lucene.util.LuceneTestCase;
+import org.apache.lucene.util.UnsafeByteArrayInputStream;
+
+/**
+ * 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.
+ */
+
+public class UnsafeByteArrayInputStreamTest extends LuceneTestCase {
+
+  @Test
+  public void testSimple() throws IOException {
+    int length = 256;
+    byte[] buffer = new byte[length];
+    for (int i = 0; i < length; ++i) {
+      buffer[i] = (byte) i;
+    }
+    byte[] result = new byte[buffer.length];
+    UnsafeByteArrayInputStream ubais = new UnsafeByteArrayInputStream(buffer);
+    
+    int index = 0;
+    int by = ubais.read();
+    while (by >= 0) {
+      result[index++] = (byte) (by);
+      by = ubais.read();
+    }
+    
+    assertEquals(length, index);
+    assertTrue(Arrays.equals(buffer, result));
+  }
+  
+  @Test
+  public void testStartPos() throws IOException {
+    int length = 100;
+    byte[] buffer = new byte[length];
+    for (int i = 0; i < length; ++i) {
+      buffer[i] = (byte) i;
+    }
+    int startPos = 5;
+    byte[] result = new byte[buffer.length];
+    UnsafeByteArrayInputStream ubais = new UnsafeByteArrayInputStream(buffer, startPos, length);
+    
+    int index = 0;
+    int by = ubais.read();
+    while (by >= 0) {
+      result[index++] = (byte) (by);
+      by = ubais.read();
+    }
+    
+    assertEquals(length - startPos, index);
+    for (int i = startPos; i < length; i++) {
+      assertEquals(buffer[i], result[i - startPos]);
+    }
+  }
+  
+  @Test
+  public void testReinit() throws IOException {
+    int length = 100;
+    byte[] buffer = new byte[length];
+    for (int i = 0; i < length; ++i) {
+      buffer[i] = (byte) i;
+    }
+    byte[] result = new byte[buffer.length];
+    UnsafeByteArrayInputStream ubais = new UnsafeByteArrayInputStream(buffer);
+
+    int index = 0;
+    int by = ubais.read();
+    while (by >= 0) {
+      result[index++] = (byte) (by);
+      by = ubais.read();
+    }
+
+    assertEquals(length, index);
+    assertTrue(Arrays.equals(buffer, result));
+
+    int length2 = 50;
+    byte[] buffer2 = new byte[length2];
+    for (int i = 0; i < length2; ++i) {
+      buffer2[i] = (byte) (90 + i);
+    }
+    byte[] result2 = new byte[buffer2.length];
+    ubais.reInit(buffer2);
+
+    int index2 = 0;
+    int by2 = ubais.read();
+    while (by2 >= 0) {
+      result2[index2++] = (byte) (by2);
+      by2 = ubais.read();
+    }
+
+    assertEquals(length2, index2);
+    assertTrue(Arrays.equals(buffer2, result2));
+  }
+
+  @Test
+  public void testDefaultCtor() throws Exception {
+    UnsafeByteArrayInputStream ubais = new UnsafeByteArrayInputStream();
+    assertEquals(0, ubais.available());
+    assertEquals(-1, ubais.read());
+  }
+
+  @Test
+  public void testMark() throws Exception {
+    byte[] bytes = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
+    UnsafeByteArrayInputStream ubais = new UnsafeByteArrayInputStream(bytes);
+    assertTrue(ubais.markSupported());
+    int markIndex = 3;
+    // Advance the index
+    for (int i = 0; i < markIndex; i++) {
+      ubais.read();
+    }
+    ubais.mark(markIndex);
+    for (int i = markIndex; i < bytes.length; i++) {
+      ubais.read();
+    }
+    ubais.reset();
+    assertEquals(bytes.length - markIndex, ubais.available());
+  }
+  
+}