/*
* 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.jena.atlas.lib;
import org.apache.jena.atlas.junit.BaseTest ;
import org.apache.jena.atlas.lib.Hex ;
import org.junit.Test ;
public class TestHex extends BaseTest
{
@Test
public void hex_01() {
byte[] b = new byte[16];
test(0L, 0, b, 16);
}
@Test
public void hex_02() {
byte[] b = new byte[16];
test(1L, 0, b, 16);
}
@Test
public void hex_03() {
byte[] b = new byte[16];
test(Long.MAX_VALUE, 0, b, 16);
}
@Test
public void hex_04() {
byte[] b = new byte[16];
test(Long.MIN_VALUE, 0, b, 16);
}
@Test
public void hex_05() {
byte[] b = new byte[16];
// -1L
test(0xFFFFFFFFFFFFFFFFL, 0, b, 16);
}
@Test
public void hex_06() {
byte[] b = new byte[16];
test(-1L, 0, b, 16);
}
private static void test(long value, int idx, byte[] b, int width) {
int x = Hex.formatUnsignedLongHex(b, idx, value, width);
assertEquals(width, x);
for ( int i = 0 ; i < width ; i++ ) {
int v = b[i];
if ( v >= '0' && v <= '9' )
continue;
if ( v >= 'a' && v <= 'f' )
continue;
if ( v >= 'A' && v <= 'F' )
continue;
fail(String.format("Not a hex digit: %02X", b[i]));
}
long v = Hex.getLong(b, idx);
assertEquals(value, v);
}
private static void testStr2Val(String str, int expected) {
testStr2Val(str, 0, str.length(), expected) ;
}
private static void testStr2Val(String str, int start, int length, int expected) {
int v = Hex.hexStringToInt(str, start, length) ;
}
@Test public void hexValue_01() { testStr2Val("A", 10); }
@Test public void hexValue_02() { testStr2Val("0A", 10); }
@Test public void hexValue_03() { testStr2Val("AA", 16*10+10); }
@Test public void hexValue_04() { testStr2Val("FF", 255); }
@Test public void hexValue_05() { testStr2Val("00FF00", 2, 2, 255); }
}