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HBASE-22677 Add unit tests for org.apache.hadoop.hbase.util.ByteRangeUtils and Classes 

Co-authored-by: Jan Hentschel <jan.hentschel@ultratendency.com>
Signed-off-by: Jan Hentschel <jan.hentschel@ultratendency.com>
This commit is contained in:
Braavos 2019-08-05 02:29:51 +01:00 committed by Jan Hentschel
parent abb60faa6c
commit d0e5ea1b87
2 changed files with 136 additions and 0 deletions
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72
hbase-common/src/test/java/org/apache/hadoop/hbase/util/TestByteRangeUtils.java Normal file
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/*
* 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.
*/
package org.apache.hadoop.hbase.util;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import java.util.ArrayList;
import java.util.Arrays;
import org.apache.hadoop.hbase.HBaseClassTestRule;
import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.junit.ClassRule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
@Category({SmallTests.class})
public class TestByteRangeUtils {
@ClassRule
public static final HBaseClassTestRule CLASS_RULE =
HBaseClassTestRule.forClass(TestByteRangeUtils.class);
@Test
public void testNumEqualPrefixBytes() {
assertEquals(0, ByteRangeUtils.numEqualPrefixBytes(
new SimpleByteRange(new byte[]{1, 2, 3}),
new SimpleByteRange(new byte[]{4, 5, 6}), 1));
assertEquals(2, ByteRangeUtils.numEqualPrefixBytes(
new SimpleByteRange(new byte[]{1, 2, 3}),
new SimpleByteRange(new byte[]{0, 1, 2}), 1));
}
@Test
public void testCopyToNewArrays() {
assertEquals(new ArrayList<>(),
ByteRangeUtils.copyToNewArrays(null));
assertArrayEquals(new byte[]{1, 2, 3},
ByteRangeUtils.copyToNewArrays(new ArrayList<>(Arrays.asList(
new SimpleByteRange(new byte[]{1, 2, 3}),
new SimpleByteRange(new byte[]{4, 5, 6})))).get(0));
assertArrayEquals(new byte[]{4, 5, 6},
ByteRangeUtils.copyToNewArrays(new ArrayList<>(Arrays.asList(
new SimpleByteRange(new byte[]{1, 2, 3}),
new SimpleByteRange(new byte[]{4, 5, 6})))).get(1));
}
@Test
public void testFromArrays() {
assertEquals(new ArrayList<>(), ByteRangeUtils.fromArrays(null));
assertEquals(new ArrayList<>(Arrays.asList(
new SimpleMutableByteRange(new byte[]{1, 2, 3}),
new SimpleMutableByteRange(new byte[]{4, 5, 6}))),
ByteRangeUtils.fromArrays(new ArrayList<>(
Arrays.asList(new byte[]{1, 2, 3}, new byte[]{4, 5, 6}))));
}
}

64
hbase-common/src/test/java/org/apache/hadoop/hbase/util/TestClasses.java Normal file
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/*
* Copyright The Apache Software Foundation
*
* 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.
*/
package org.apache.hadoop.hbase.util;
import static org.junit.Assert.assertEquals;
import org.apache.hadoop.hbase.HBaseClassTestRule;
import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.junit.ClassRule;
import org.junit.Rule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.rules.ExpectedException;
@Category({SmallTests.class})
public class TestClasses {
@Rule
public final ExpectedException thrown = ExpectedException.none();
@ClassRule
public static final HBaseClassTestRule CLASS_RULE =
HBaseClassTestRule.forClass(TestClasses.class);
@Test
public void testExtendedForName() throws ClassNotFoundException {
assertEquals(int.class, Classes.extendedForName("int"));
assertEquals(long.class, Classes.extendedForName("long"));
assertEquals(char.class, Classes.extendedForName("char"));
assertEquals(byte.class, Classes.extendedForName("byte"));
assertEquals(short.class, Classes.extendedForName("short"));
assertEquals(float.class, Classes.extendedForName("float"));
assertEquals(double.class, Classes.extendedForName("double"));
assertEquals(boolean.class, Classes.extendedForName("boolean"));
thrown.expect(ClassNotFoundException.class);
Classes.extendedForName("foo");
}
@Test
public void testStringify() {
assertEquals("", Classes.stringify(new Class[0]));
assertEquals("NULL", Classes.stringify(null));
assertEquals("java.lang.String,java.lang.Integer",
Classes.stringify(new Class[]{String.class, Integer.class}));
}
}