package org.apache.cassandra.db.marshal; /* * * 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 com.google.common.base.Charsets; import org.apache.cassandra.serializers.*; import org.apache.cassandra.utils.Hex; import org.apache.cassandra.utils.UUIDGen; import org.junit.Test; import java.math.BigInteger; import java.nio.ByteBuffer; import java.util.UUID; public class RoundTripTest { @Test public void testInteger() { BigInteger bi = new BigInteger("1"); assert bi.intValue() == 1; assert IntegerType.instance.getString(IntegerType.instance.fromString("1")).equals("1"); assert IntegerType.instance.fromString(IntegerType.instance.getString(ByteBuffer.wrap(bi.toByteArray()))) .equals(ByteBuffer.wrap(bi.toByteArray())); assert IntegerType.instance.compose(ByteBuffer.wrap(bi.toByteArray())).equals(bi); assert IntegerSerializer.instance.toString(bi).equals("1"); } @Test public void testLong() { byte[] v = new byte[]{0,0,0,0,0,0,0,1}; assert LongType.instance.getString(LongType.instance.fromString("1")).equals("1"); assert LongType.instance.fromString(LongType.instance.getString(ByteBuffer.wrap(v))) .equals(ByteBuffer.wrap(v)); assert LongType.instance.compose(ByteBuffer.wrap(v)) == 1L; assert LongSerializer.instance.toString(1L).equals("1"); } @Test public void intLong() { byte[] v = new byte[]{0,0,0,1}; assert Int32Type.instance.getString(Int32Type.instance.fromString("1")).equals("1"); assert Int32Type.instance.fromString(Int32Type.instance.getString(ByteBuffer.wrap(v))) .equals(ByteBuffer.wrap(v)); assert Int32Type.instance.compose(ByteBuffer.wrap(v)) == 1; assert Int32Serializer.instance.toString(1).equals("1"); } @Test public void testAscii() throws Exception { byte[] abc = "abc".getBytes(Charsets.US_ASCII); assert AsciiType.instance.getString(AsciiType.instance.fromString("abc")).equals("abc"); assert AsciiType.instance.fromString(AsciiType.instance.getString(ByteBuffer.wrap(abc))) .equals(ByteBuffer.wrap(abc)); assert AsciiType.instance.compose(ByteBuffer.wrap(abc)).equals("abc"); assert AsciiSerializer.instance.toString("abc").equals("abc"); } @Test public void testBytes() { byte[] v = new byte[] {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; assert BytesType.instance.compose(ByteBuffer.wrap(v)).equals(ByteBuffer.wrap(v)); assert BytesSerializer.instance.toString(ByteBuffer.wrap(v)).equals(Hex.bytesToHex(v)); } @Test public void testLexicalUUID() { UUID uuid = UUIDGen.getTimeUUID(); assert LexicalUUIDType.instance.fromString(LexicalUUIDType.instance.getString(ByteBuffer.wrap(UUIDGen.decompose(uuid)))) .equals(ByteBuffer.wrap(UUIDGen.decompose(uuid))); assert LexicalUUIDType.instance.compose(ByteBuffer.wrap(UUIDGen.decompose(uuid))).equals(uuid); assert UUIDSerializer.instance.toString(uuid).equals(uuid.toString()); } @Test public void testTimeUUID() { UUID uuid = UUIDGen.getTimeUUID(); assert TimeUUIDType.instance.getString(TimeUUIDType.instance.fromString(uuid.toString())) .equals(uuid.toString()); assert TimeUUIDType.instance.fromString(TimeUUIDType.instance.getString(ByteBuffer.wrap(UUIDGen.decompose(uuid)))) .equals(ByteBuffer.wrap(UUIDGen.decompose(uuid))); assert TimeUUIDType.instance.compose(ByteBuffer.wrap(UUIDGen.decompose(uuid))).equals(uuid); assert uuid.equals(TimeUUIDType.instance.compose(TimeUUIDType.instance.fromString(uuid.toString()))); assert UUIDSerializer.instance.toString(uuid).equals(uuid.toString()); } @Test public void testUtf8() throws Exception { String v = "\u2297\u5432\u2376\u263d\uf543"; assert UTF8Type.instance.getString(UTF8Type.instance.fromString(v)).equals(v); assert UTF8Type.instance.fromString(UTF8Type.instance.getString(ByteBuffer.wrap(v.getBytes(Charsets.UTF_8)))) .equals(ByteBuffer.wrap(v.getBytes(Charsets.UTF_8))); assert UTF8Type.instance.compose(ByteBuffer.wrap(v.getBytes(Charsets.UTF_8))).equals(v); assert UTF8Serializer.instance.toString(v).equals(v); } }