/*
* 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.tomcat.util.http.parser;
import java.io.IOException;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.List;
import org.junit.Assert;
import org.junit.Test;
import org.apache.tomcat.util.http.parser.Ranges.Entry;
public class TestRanges {
@Test
public void testCaseInsensitive() throws Exception {
Ranges lower = parse("bytes=1-10");
Ranges upper = parse("Bytes=1-10");
compareRanges(lower, upper);
}
@Test
public void testInvalid01() throws Exception {
doTestInvalid("");
}
@Test
public void testInvalid02() throws Exception {
doTestInvalid("=1-10");
}
@Test
public void testInvalid03() throws Exception {
doTestInvalid("bytes");
}
@Test
public void testInvalid04() throws Exception {
doTestInvalid("bytes=1");
}
@Test
public void testInvalid05() throws Exception {
doTestInvalid("bytes=-");
}
@Test
public void testInvalid06() throws Exception {
doTestInvalid("bytes=1-10 a");
}
@Test
public void testValid01() throws Exception {
Ranges r = parse("bytes=1-10,21-30");
Assert.assertEquals("bytes", r.getUnits());
List<Entry> l = r.getEntries();
Assert.assertEquals(2, l.size());
Entry e1 = l.get(0);
Assert.assertEquals(1, e1.getStart());
Assert.assertEquals(10, e1.getEnd());
Entry e2 = l.get(1);
Assert.assertEquals(21, e2.getStart());
Assert.assertEquals(30, e2.getEnd());
}
@Test
public void testValid02() throws Exception {
Ranges r = parse("bytes=-20");
List<Entry> l = r.getEntries();
Assert.assertEquals(1, l.size());
Entry e1 = l.get(0);
Assert.assertEquals(-1, e1.getStart());
Assert.assertEquals(20, e1.getEnd());
}
@Test
public void testNullUnits() throws Exception {
Ranges r = new Ranges(null, new ArrayList<>());
Assert.assertNotNull(r);
Assert.assertNull(r.getUnits());
}
@Test
public void testValid03() throws Exception {
Ranges r = parse("bytes=21-");
List<Entry> l = r.getEntries();
Assert.assertEquals(1, l.size());
Entry e1 = l.get(0);
Assert.assertEquals(21, e1.getStart());
Assert.assertEquals(-1, e1.getEnd());
}
private void doTestInvalid(String s) throws IOException {
Ranges r = parse(s);
Assert.assertNull(r);
}
private Ranges parse(String s) throws IOException {
return Ranges.parse(new StringReader(s));
}
private void compareRanges(Ranges r1, Ranges r2) {
Assert.assertEquals(r1.getUnits(), r2.getUnits());
List<Entry> l1 = r1.getEntries();
List<Entry> l2 = r2.getEntries();
Assert.assertEquals(l1.size(), l2.size());
for (int i = 0; i < l1.size(); i++) {
Entry e1 = l1.get(i);
Entry e2 = l2.get(i);
Assert.assertEquals(e1.getStart(), e2.getStart());
Assert.assertEquals(e1.getEnd(), e2.getEnd());
}
}
}