/**
Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
licenses@blazegraph.com
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Created on Mar 17, 2011
*/
package com.bigdata.btree.keys;
import java.util.Arrays;
import java.util.Locale;
import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.apache.log4j.Logger;
import com.ibm.icu.text.Collator;
import com.ibm.icu.text.RawCollationKey;
import com.ibm.icu.text.RuleBasedCollator;
import com.ibm.icu.util.VersionInfo;
/**
* This is a unit test for a possible ICU portability bug.
* <p>
* Note: This issue has been resolved. The problem was that someone had
* substituted a difference version of ICU on the classpath in the deployed
* system.
*
* @see https://sourceforge.net/apps/trac/bigdata/ticket/193
*
* @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a>
* @version $Id: TestICUPortabilityBug.java 4313 2011-03-18 13:16:31Z
* thompsonbry $
*/
public class TestICUPortabilityBug extends TestCase {
private final static Logger log = Logger
.getLogger(TestICUPortabilityBug.class);
/**
*
*/
public TestICUPortabilityBug() {
}
/**
* @param name
*/
public TestICUPortabilityBug(String name) {
super(name);
}
/**
* Unit test for ICU generation of Unicode sort keys.
* <pre>
* Input : "__globalRowStore"
*
* Expected: [7, -124, 7, -124, 53, 63, 69, 43, 41, 63, 75, 69, 85, 77, 79, 69, 75, 49, 1, 20, 1, 126, -113, -124, -113, 8]
* </pre>
*/
public void test_ICU_Unicode_SortKey() {
final String input = "__globalRowStore";
// Buffer reused for each String from which a sort key is derived.
final RawCollationKey raw = new RawCollationKey(128);
/*
* Setup the collator by specifying the locale, strength, and
* decomposition mode.
*/
final Locale locale = new Locale("en", "US");
final RuleBasedCollator collator = (RuleBasedCollator) Collator
.getInstance(locale);
collator.setStrength(Collator.TERTIARY);
collator.setDecomposition(Collator.NO_DECOMPOSITION);
collator.getRawCollationKey(input, raw);
// do not include the nul byte
final byte[] actual = new byte[raw.size - 1];
// copy data from the buffer.
System.arraycopy(raw.bytes/* src */, 0/* srcPos */, actual/* dest */,
0/* destPos */, actual.length);
if (log.isInfoEnabled()) {
log.info("Actual : " + Arrays.toString(actual));
}
/*
* The expected Unicode sort key (this depends on the runtime ICU
* version).
*/
final byte[] expected;
if (VersionInfo.ICU_VERSION.getMajor() == 3
&& VersionInfo.ICU_VERSION.getMinor() == 6) {
/*
* bigdata was initially deployed against v3.6.
*/
expected = new byte[] { 7, -124, 7, -124, 53, 63, 69, 43, 41, 63,
75, 69, 85, 77, 79, 69, 75, 49, 1, 20, 1, 126, -113, -124,
-113, 8 };
} else if (VersionInfo.ICU_VERSION.getMajor() == 4
&& VersionInfo.ICU_VERSION.getMinor() == 8) {
/*
* The next bundled version was 4.8.
*/
expected = new byte[] { 6, 12, 6, 12, 51, 61, 67, 41, 39, 61, 73,
67, 83, 75, 77, 67, 73, 47, 1, 20, 1, 126, -113, -124,
-113, 8};
} else {
throw new AssertionFailedError("Not an expected ICU version: "
+ VersionInfo.ICU_VERSION);
}
if (log.isInfoEnabled()) {
log.info("Expected: " + Arrays.toString(expected));
}
if (!Arrays.equals(expected, actual)) {
fail("Expected: " + Arrays.toString(expected) + ", " + //
"Actual: " + Arrays.toString(actual));
}
}
}