| // Copyright 2010 Google Inc. |
| // |
| // Licensed 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 com.google.gwtorm.nosql; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import org.junit.Test; |
| |
| public class IndexKeyBuilderTest { |
| |
| @Test |
| public void testInt() { |
| IndexKeyBuilder ib; |
| |
| ib = new IndexKeyBuilder(); |
| ib.add(0); |
| assertEqualToBuilderResult(new byte[] {0x00}, ib); |
| |
| ib = new IndexKeyBuilder(); |
| ib.add(1); |
| assertEqualToBuilderResult(new byte[] {0x01, 0x01}, ib); |
| |
| ib = new IndexKeyBuilder(); |
| ib.add(256); |
| assertEqualToBuilderResult(new byte[] {0x02, 0x01, 0x00}, ib); |
| } |
| |
| @Test |
| public void testDelimiter() { |
| IndexKeyBuilder ib = new IndexKeyBuilder(); |
| ib.delimiter(); |
| assertEqualToBuilderResult(new byte[] {0x00, 0x01}, ib); |
| } |
| |
| @Test |
| public void testStringASCII() { |
| IndexKeyBuilder ib = new IndexKeyBuilder(); |
| ib.add("hi"); |
| assertEqualToBuilderResult(new byte[] {'h', 'i'}, ib); |
| } |
| |
| @Test |
| public void testStringNUL() { |
| IndexKeyBuilder ib = new IndexKeyBuilder(); |
| ib.add("\0"); |
| assertEqualToBuilderResult(new byte[] {0x00, (byte) 0xff}, ib); |
| } |
| |
| @Test |
| public void testStringFF() { |
| IndexKeyBuilder ib = new IndexKeyBuilder(); |
| ib.add(new byte[] {(byte) 0xff}); |
| assertEqualToBuilderResult(new byte[] {(byte) 0xff, 0x00}, ib); |
| } |
| |
| @Test |
| public void testInfinity() { |
| IndexKeyBuilder ib = new IndexKeyBuilder(); |
| ib.infinity(); |
| assertEqualToBuilderResult(new byte[] {(byte) 0xff, (byte) 0xff}, ib); |
| } |
| |
| private static void assertEqualToBuilderResult(byte[] exp, IndexKeyBuilder ic) { |
| assertEquals(toString(exp), toString(ic.toByteArray())); |
| } |
| |
| private static String toString(byte[] bin) { |
| StringBuilder dst = new StringBuilder(bin.length * 2); |
| for (byte b : bin) { |
| dst.append(hexchar[(b >>> 4) & 0x0f]); |
| dst.append(hexchar[b & 0x0f]); |
| } |
| return dst.toString(); |
| } |
| |
| private static final char[] hexchar = { |
| '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', // |
| 'a', 'b', 'c', 'd', 'e', 'f' |
| }; |
| } |