package org.apache.cassandra.db.marshal;
import org.apache.cassandra.Util;
import org.apache.cassandra.utils.UUIDGen;
import org.junit.Test;
import java.io.UnsupportedEncodingException;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.util.UUID;
/**
* 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.
*/
public class TypeValidationTest
{
@Test(expected = MarshalException.class)
public void testInvalidAscii()
{
AsciiType.instance.validate(ByteBuffer.wrap(new byte[]{ (byte)0x80 }));
}
@Test(expected = MarshalException.class)
public void testInvalidTimeUUID()
{
UUID uuid = UUID.randomUUID();
TimeUUIDType.instance.validate(ByteBuffer.wrap(UUIDGen.decompose(uuid)));
}
@Test
public void testValidTimeUUID()
{
TimeUUIDType.instance.validate(ByteBuffer.wrap(UUIDGen.getTimeUUIDBytes()));
}
@Test
public void testLong()
{
LongType.instance.validate(Util.getBytes(5L));
LongType.instance.validate(Util.getBytes(5555555555555555555L));
}
@Test
public void testInt()
{
Int32Type.instance.validate(Util.getBytes(5));
Int32Type.instance.validate(Util.getBytes(2057022603));
}
@Test
public void testValidUtf8() throws UnsupportedEncodingException
{
assert Character.MAX_CODE_POINT == 0x0010ffff;
CharBuffer cb = CharBuffer.allocate(2837314);
// let's test all of the unicode space.
for (int i = 0; i < Character.MAX_CODE_POINT; i++)
{
// skip U+D800..U+DFFF. those CPs are invalid in utf8. java tolerates them, but doesn't convert them to
// valid byte sequences (gives us '?' instead), so there is no point testing them.
if (i >= 55296 && i <= 57343)
continue;
char[] ch = Character.toChars(i);
for (char c : ch)
cb.append(c);
}
String s = new String(cb.array());
byte[] arr = s.getBytes("UTF8");
ByteBuffer buf = ByteBuffer.wrap(arr);
UTF8Type.instance.validate(buf);
// some you might not expect.
UTF8Type.instance.validate(ByteBuffer.wrap(new byte[] {}));
// valid Utf8, unspecified in modified utf8.
UTF8Type.instance.validate(ByteBuffer.wrap(new byte[] {0}));
// modified utf8 null.
UTF8Type.instance.validate(ByteBuffer.wrap(new byte[] {99, (byte)0xc0, (byte)0x80, 112}));
// edges, for my sanity.
UTF8Type.instance.validate(ByteBuffer.wrap(new byte[] {(byte)0xc2, (byte)0x81}));
UTF8Type.instance.validate(ByteBuffer.wrap(new byte[] {(byte)0xe0, (byte)0xa0, (byte)0x81}));
UTF8Type.instance.validate(ByteBuffer.wrap(new byte[] {(byte)0xf0, (byte)0x90, (byte)0x81, (byte)0x81}));
}
// now test for bogies.
@Test(expected = MarshalException.class)
public void testFloatingc0()
{
UTF8Type.instance.validate(ByteBuffer.wrap(new byte[] {99, (byte)0xc0, 112}));
}
@Test(expected = MarshalException.class)
public void testInvalid2nd()
{
UTF8Type.instance.validate(ByteBuffer.wrap(new byte[] {(byte)0xc2, (byte)0xff}));
}
@Test(expected = MarshalException.class)
public void testInvalid3rd()
{
UTF8Type.instance.validate(ByteBuffer.wrap(new byte[] {(byte)0xe0, (byte)0xa0, (byte)0xff}));
}
@Test(expected = MarshalException.class)
public void testInvalid4th()
{
UTF8Type.instance.validate(ByteBuffer.wrap(new byte[] {(byte)0xf0, (byte)0x90, (byte)0x81, (byte)0xff}));
}
// todo: for completeness, should test invalid two byte pairs.
}