pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / backwards / src / test / org / apache / lucene / search / function / TestDocValues.java

diff --git a/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/search/function/TestDocValues.java b/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/search/function/TestDocValues.java
new file mode 100644 (file)
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--- /dev/null
+++ b/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/search/function/TestDocValues.java
@@ -0,0 +1,113 @@
+package org.apache.lucene.search.function;
+
+/**
+ * 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 org.apache.lucene.util.LuceneTestCase;
+import org.junit.Test;
+
+/**
+ * DocValues TestCase  
+ */
+public class TestDocValues extends LuceneTestCase {
+
+  @Test
+  public void testGetMinValue() {
+    float[] innerArray = new float[] { 1.0f, 2.0f, -1.0f, 100.0f };
+    DocValuesTestImpl docValues = new DocValuesTestImpl(innerArray);
+    assertEquals("-1.0f is the min value in the source array", -1.0f, docValues
+        .getMinValue(), 0);
+
+    // test with without values - NaN
+    innerArray = new float[] {};
+    docValues = new DocValuesTestImpl(innerArray);
+    assertTrue("max is NaN - no values in inner array", Float.isNaN(docValues
+        .getMinValue()));
+  }
+  @Test
+  public void testGetMaxValue() {
+    float[] innerArray = new float[] { 1.0f, 2.0f, -1.0f, 10.0f };
+    DocValuesTestImpl docValues = new DocValuesTestImpl(innerArray);
+    assertEquals("10.0f is the max value in the source array", 10.0f, docValues
+        .getMaxValue(), 0);
+
+    innerArray = new float[] { -3.0f, -1.0f, -100.0f };
+    docValues = new DocValuesTestImpl(innerArray);
+    assertEquals("-1.0f is the max value in the source array", -1.0f, docValues
+        .getMaxValue(), 0);
+
+    innerArray = new float[] { -3.0f, -1.0f, 100.0f, Float.MAX_VALUE,
+        Float.MAX_VALUE - 1 };
+    docValues = new DocValuesTestImpl(innerArray);
+    assertEquals(Float.MAX_VALUE + " is the max value in the source array",
+        Float.MAX_VALUE, docValues.getMaxValue(), 0);
+
+    // test with without values - NaN
+    innerArray = new float[] {};
+    docValues = new DocValuesTestImpl(innerArray);
+    assertTrue("max is NaN - no values in inner array", Float.isNaN(docValues
+        .getMaxValue()));
+  }
+
+  @Test
+  public void testGetAverageValue() {
+    float[] innerArray = new float[] { 1.0f, 1.0f, 1.0f, 1.0f };
+    DocValuesTestImpl docValues = new DocValuesTestImpl(innerArray);
+    assertEquals("the average is 1.0f", 1.0f, docValues.getAverageValue(), 0);
+
+    innerArray = new float[] { 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f };
+    docValues = new DocValuesTestImpl(innerArray);
+    assertEquals("the average is 3.5f", 3.5f, docValues.getAverageValue(), 0);
+
+    // test with negative values
+    innerArray = new float[] { -1.0f, 2.0f };
+    docValues = new DocValuesTestImpl(innerArray);
+    assertEquals("the average is 0.5f", 0.5f, docValues.getAverageValue(), 0);
+
+    // test with without values - NaN
+    innerArray = new float[] {};
+    docValues = new DocValuesTestImpl(innerArray);
+    assertTrue("the average is NaN - no values in inner array", Float
+        .isNaN(docValues.getAverageValue()));
+  }
+
+  static class DocValuesTestImpl extends DocValues {
+    float[] innerArray;
+
+    DocValuesTestImpl(float[] innerArray) {
+      this.innerArray = innerArray;
+    }
+
+    /**
+     * @see org.apache.lucene.search.function.DocValues#floatVal(int)
+     */
+    @Override
+    public float floatVal(int doc) {
+      return innerArray[doc];
+    }
+
+    /**
+     * @see org.apache.lucene.search.function.DocValues#toString(int)
+     */
+    @Override
+    public String toString(int doc) {
+      return Integer.toString(doc);
+    }
+
+  }
+
+}