| /* |
| * 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.phoenix.util; |
| |
| import static org.apache.phoenix.schema.PTable.QualifierEncodingScheme.FOUR_BYTE_QUALIFIERS; |
| import static org.apache.phoenix.schema.PTable.QualifierEncodingScheme.ONE_BYTE_QUALIFIERS; |
| import static org.apache.phoenix.schema.PTable.QualifierEncodingScheme.THREE_BYTE_QUALIFIERS; |
| import static org.apache.phoenix.schema.PTable.QualifierEncodingScheme.TWO_BYTE_QUALIFIERS; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.fail; |
| |
| import org.apache.phoenix.schema.PTable.QualifierEncodingScheme.InvalidQualifierBytesException; |
| import org.junit.Test; |
| |
| public class QualifierEncodingSchemeTest { |
| |
| @Test |
| public void testOneByteQualifierEncodeDecode() { |
| assertEquals(1, ONE_BYTE_QUALIFIERS.decode(ONE_BYTE_QUALIFIERS.encode(1))); |
| assertEquals(127, ONE_BYTE_QUALIFIERS.decode(ONE_BYTE_QUALIFIERS.encode(127))); |
| assertEquals(63, ONE_BYTE_QUALIFIERS.decode(ONE_BYTE_QUALIFIERS.encode(63))); |
| assertEquals(130, ONE_BYTE_QUALIFIERS.decode(ONE_BYTE_QUALIFIERS.encode(130))); |
| assertEquals(255, ONE_BYTE_QUALIFIERS.decode(ONE_BYTE_QUALIFIERS.encode(255))); |
| byte[] arr1 = ONE_BYTE_QUALIFIERS.encode(255); |
| byte[] arr2 = new byte[] {-128, arr1[0]}; |
| assertEquals(255, ONE_BYTE_QUALIFIERS.decode(arr2, 1, 1)); |
| try { |
| ONE_BYTE_QUALIFIERS.decode(arr2); |
| fail(); |
| } catch (InvalidQualifierBytesException expected) {} |
| try { |
| ONE_BYTE_QUALIFIERS.decode(arr2, 0, 2); |
| fail(); |
| } catch (InvalidQualifierBytesException expected) {} |
| |
| } |
| |
| @Test |
| public void testTwoByteQualifierEncodeDecode() { |
| assertEquals(1, TWO_BYTE_QUALIFIERS.decode(TWO_BYTE_QUALIFIERS.encode(1))); |
| assertEquals(127, TWO_BYTE_QUALIFIERS.decode(TWO_BYTE_QUALIFIERS.encode(127))); |
| assertEquals(63, TWO_BYTE_QUALIFIERS.decode(TWO_BYTE_QUALIFIERS.encode(63))); |
| assertEquals(130, TWO_BYTE_QUALIFIERS.decode(TWO_BYTE_QUALIFIERS.encode(130))); |
| assertEquals(128, TWO_BYTE_QUALIFIERS.decode(TWO_BYTE_QUALIFIERS.encode(128))); |
| assertEquals(129, TWO_BYTE_QUALIFIERS.decode(TWO_BYTE_QUALIFIERS.encode(129))); |
| assertEquals(32767, TWO_BYTE_QUALIFIERS.decode(TWO_BYTE_QUALIFIERS.encode(32767))); |
| assertEquals(32768, TWO_BYTE_QUALIFIERS.decode(TWO_BYTE_QUALIFIERS.encode(32768))); |
| assertEquals(65535, TWO_BYTE_QUALIFIERS.decode(TWO_BYTE_QUALIFIERS.encode(65535))); |
| byte[] arr1 = TWO_BYTE_QUALIFIERS.encode(65535); |
| byte[] arr2 = new byte[] {-128, arr1[0], arr1[1]}; |
| assertEquals(65535, TWO_BYTE_QUALIFIERS.decode(arr2, 1, 2)); |
| try { |
| TWO_BYTE_QUALIFIERS.decode(arr2); |
| fail(); |
| } catch (InvalidQualifierBytesException expected) {} |
| } |
| |
| @Test |
| public void testThreeByteQualifierEncodeDecode() { |
| assertEquals(1, THREE_BYTE_QUALIFIERS.decode(THREE_BYTE_QUALIFIERS.encode(1))); |
| assertEquals(127, THREE_BYTE_QUALIFIERS.decode(THREE_BYTE_QUALIFIERS.encode(127))); |
| assertEquals(63, THREE_BYTE_QUALIFIERS.decode(THREE_BYTE_QUALIFIERS.encode(63))); |
| assertEquals(130, THREE_BYTE_QUALIFIERS.decode(THREE_BYTE_QUALIFIERS.encode(130))); |
| assertEquals(128, THREE_BYTE_QUALIFIERS.decode(THREE_BYTE_QUALIFIERS.encode(128))); |
| assertEquals(129, THREE_BYTE_QUALIFIERS.decode(THREE_BYTE_QUALIFIERS.encode(129))); |
| assertEquals(32767, THREE_BYTE_QUALIFIERS.decode(THREE_BYTE_QUALIFIERS.encode(32767))); |
| assertEquals(32768, THREE_BYTE_QUALIFIERS.decode(THREE_BYTE_QUALIFIERS.encode(32768))); |
| assertEquals(65535, THREE_BYTE_QUALIFIERS.decode(THREE_BYTE_QUALIFIERS.encode(65535))); |
| assertEquals(16777215, THREE_BYTE_QUALIFIERS.decode(THREE_BYTE_QUALIFIERS.encode(16777215))); |
| byte[] arr1 = THREE_BYTE_QUALIFIERS.encode(16777215); |
| byte[] arr2 = new byte[] {-128, arr1[0], arr1[1], arr1[2]}; |
| assertEquals(16777215, THREE_BYTE_QUALIFIERS.decode(arr2, 1, 3)); |
| try { |
| THREE_BYTE_QUALIFIERS.decode(arr2, 0, 2); |
| fail(); |
| } catch (InvalidQualifierBytesException expected) {} |
| } |
| |
| @Test |
| public void testFourByteQualifierEncodeDecode() { |
| assertEquals(1, FOUR_BYTE_QUALIFIERS.decode(FOUR_BYTE_QUALIFIERS.encode(1))); |
| assertEquals(127, FOUR_BYTE_QUALIFIERS.decode(FOUR_BYTE_QUALIFIERS.encode(127))); |
| assertEquals(63, FOUR_BYTE_QUALIFIERS.decode(FOUR_BYTE_QUALIFIERS.encode(63))); |
| assertEquals(130, FOUR_BYTE_QUALIFIERS.decode(FOUR_BYTE_QUALIFIERS.encode(130))); |
| assertEquals(128, FOUR_BYTE_QUALIFIERS.decode(FOUR_BYTE_QUALIFIERS.encode(128))); |
| assertEquals(129, FOUR_BYTE_QUALIFIERS.decode(FOUR_BYTE_QUALIFIERS.encode(129))); |
| assertEquals(32767, FOUR_BYTE_QUALIFIERS.decode(FOUR_BYTE_QUALIFIERS.encode(32767))); |
| assertEquals(32768, FOUR_BYTE_QUALIFIERS.decode(FOUR_BYTE_QUALIFIERS.encode(32768))); |
| assertEquals(65535, FOUR_BYTE_QUALIFIERS.decode(FOUR_BYTE_QUALIFIERS.encode(65535))); |
| assertEquals(Integer.MAX_VALUE, FOUR_BYTE_QUALIFIERS.decode(FOUR_BYTE_QUALIFIERS.encode(Integer.MAX_VALUE))); |
| byte[] arr1 = FOUR_BYTE_QUALIFIERS.encode(Integer.MAX_VALUE); |
| byte[] arr2 = new byte[] {-128, arr1[0], arr1[1], arr1[2], arr1[3]}; |
| assertEquals(Integer.MAX_VALUE, FOUR_BYTE_QUALIFIERS.decode(arr2, 1, 4)); |
| try { |
| FOUR_BYTE_QUALIFIERS.decode(arr2); |
| fail(); |
| } catch (InvalidQualifierBytesException expected) {} |
| try { |
| FOUR_BYTE_QUALIFIERS.decode(arr2, 0, 3); |
| fail(); |
| } catch (InvalidQualifierBytesException expected) {} |
| } |
| |
| } |