/* * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions.
*/
/** * @test * @bug 8137326 * @summary Test to verify the Comparable implementation for the StringBuffer class. * @run testng Comparison
*/ publicclass Comparison { staticchar SEP = ':';
static String[][] books = {
{"Biography", "Steve Jobs"},
{"Biography", "Elon Musk: Tesla, SpaceX, and the Quest for a Fantastic Future"},
{"Law", "Law 101: Everything You Need to Know About American Law, Fourth Edition"},
{"Law", "The Tools of Argument: How the Best Lawyers Think, Argue, and Win"},
{"History", "The History Book (Big Ideas Simply Explained)"},
{"History", "A People's History of the United States"},
};
/** * Verifies the Comparable implementation by comparing with two TreeSet that * contain either StringBuffer or String.
*/
@Test publicvoid compareWithString() {
Set<StringBuffer> sbSet = constructSBSet();
Set<String> sSet = constructStringSet();
Iterator<StringBuffer> iSB = sbSet.iterator();
Iterator<String> iS = sSet.iterator(); while (iSB.hasNext()) {
String temp1 = iSB.next().toString();
System.out.println(temp1);
String temp2 = iS.next();
System.out.println(temp2);
Assert.assertTrue(temp1.equals(temp2), "Comparing item by item");
}
System.out.println(sb1.toString());
System.out.println(sb2.toString());
System.out.println(sb3.toString()); Assert.assertTrue(sb1.compareTo(sb2) == 0, "Compare sb1 and sb2"); Assert.assertFalse(sb1.compareTo(sb3) == 0, "Compare sb1 and sb3");
}
/** * Verifies that the comparison is from index 0 to length() - 1 of the two * character sequences.
*/
@Test publicvoid testModifiedSequence() {
StringBuffer sb1 = generateTestBuffer(65, 70, 97, 102);
StringBuffer sb2 = generateTestBuffer(65, 70, 98, 103);
// contain different character sequences Assert.assertFalse(sb1.compareTo(sb2) == 0, "Compare the sequences before truncation");
// the first 5 characters however are the same
sb1.setLength(5);
sb2.setLength(5);
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