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20 package org.apache.hadoop.hbase.filter;
21
22 import java.io.ByteArrayInputStream;
23 import java.io.ByteArrayOutputStream;
24 import java.io.DataInputStream;
25 import java.io.DataOutputStream;
26
27 import org.apache.hadoop.hbase.KeyValue;
28 import org.apache.hadoop.hbase.SmallTests;
29 import org.apache.hadoop.hbase.util.Bytes;
30
31 import junit.framework.TestCase;
32 import org.junit.experimental.categories.Category;
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38 @Category(SmallTests.class)
39 public class TestColumnPaginationFilter extends TestCase
40 {
41 private static final byte[] ROW = Bytes.toBytes("row_1_test");
42 private static final byte[] COLUMN_FAMILY = Bytes.toBytes("test");
43 private static final byte[] VAL_1 = Bytes.toBytes("a");
44 private static final byte [] COLUMN_QUALIFIER = Bytes.toBytes("foo");
45
46 private Filter columnPaginationFilter;
47
48 @Override
49 protected void setUp() throws Exception {
50 super.setUp();
51 columnPaginationFilter = getColumnPaginationFilter();
52
53 }
54 private Filter getColumnPaginationFilter() {
55 return new ColumnPaginationFilter(1,0);
56 }
57
58 private Filter serializationTest(Filter filter) throws Exception {
59 ByteArrayOutputStream stream = new ByteArrayOutputStream();
60 DataOutputStream out = new DataOutputStream(stream);
61 filter.write(out);
62 out.close();
63 byte[] buffer = stream.toByteArray();
64
65 DataInputStream in =
66 new DataInputStream(new ByteArrayInputStream(buffer));
67 Filter newFilter = new ColumnPaginationFilter();
68 newFilter.readFields(in);
69
70 return newFilter;
71 }
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80
81 private void basicFilterTests(ColumnPaginationFilter filter) throws Exception
82 {
83 KeyValue kv = new KeyValue(ROW, COLUMN_FAMILY, COLUMN_QUALIFIER, VAL_1);
84 assertTrue("basicFilter1", filter.filterKeyValue(kv) == Filter.ReturnCode.INCLUDE_AND_NEXT_COL);
85 }
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91 public void testSerialization() throws Exception {
92 Filter newFilter = serializationTest(columnPaginationFilter);
93 basicFilterTests((ColumnPaginationFilter)newFilter);
94 }
95
96
97
98 @org.junit.Rule
99 public org.apache.hadoop.hbase.ResourceCheckerJUnitRule cu =
100 new org.apache.hadoop.hbase.ResourceCheckerJUnitRule();
101 }
102