134 lines
4.5 KiB
Java
134 lines
4.5 KiB
Java
/*
|
|
* Copyright (c) 2013, 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 8017231 8020977
|
|
* @summary test StringJoiner::merge
|
|
* @run testng MergeTest
|
|
*/
|
|
|
|
import java.util.StringJoiner;
|
|
import java.util.stream.Stream;
|
|
import org.testng.annotations.Test;
|
|
import static org.testng.Assert.assertEquals;
|
|
import static org.testng.Assert.fail;
|
|
|
|
@Test
|
|
public class MergeTest {
|
|
public void testNull() {
|
|
StringJoiner sj = new StringJoiner(",", "{", "}");
|
|
try {
|
|
sj.merge(null);
|
|
fail("Should throw NullPointerException!");
|
|
} catch (NullPointerException npe) {
|
|
// expected
|
|
}
|
|
}
|
|
|
|
public void testSimple() {
|
|
StringJoiner sj = new StringJoiner(",", "{", "}");
|
|
StringJoiner other = new StringJoiner(",", "[", "]");
|
|
Stream.of("a", "b", "c").forEachOrdered(sj::add);
|
|
Stream.of("d", "e", "f").forEachOrdered(other::add);
|
|
|
|
sj.merge(other);
|
|
assertEquals(sj.toString(), "{a,b,c,d,e,f}");
|
|
}
|
|
|
|
public void testEmptyOther() {
|
|
StringJoiner sj = new StringJoiner(",", "{", "}");
|
|
StringJoiner other = new StringJoiner(",", "[", "]");
|
|
Stream.of("a", "b", "c").forEachOrdered(sj::add);
|
|
|
|
sj.merge(other);
|
|
assertEquals(sj.toString(), "{a,b,c}");
|
|
|
|
other.setEmptyValue("EMPTY");
|
|
sj.merge(other);
|
|
assertEquals(sj.toString(), "{a,b,c}");
|
|
}
|
|
|
|
public void testEmptyThis() {
|
|
StringJoiner sj = new StringJoiner(",", "{", "}");
|
|
StringJoiner other = new StringJoiner(":", "[", "]");
|
|
Stream.of("d", "e", "f").forEachOrdered(other::add);
|
|
|
|
sj.merge(other);
|
|
assertEquals(sj.toString(), "{d:e:f}");
|
|
|
|
sj = new StringJoiner(",", "{", "}").setEmptyValue("EMPTY");
|
|
assertEquals(sj.toString(), "EMPTY");
|
|
sj.merge(other);
|
|
assertEquals(sj.toString(), "{d:e:f}");
|
|
}
|
|
|
|
public void testEmptyBoth() {
|
|
StringJoiner sj = new StringJoiner(",", "{", "}");
|
|
StringJoiner other = new StringJoiner(":", "[", "]");
|
|
|
|
sj.merge(other);
|
|
assertEquals(sj.toString(), "{}");
|
|
|
|
other.setEmptyValue("NOTHING");
|
|
sj.merge(other);
|
|
assertEquals(sj.toString(), "{}");
|
|
|
|
sj = new StringJoiner(",", "{", "}").setEmptyValue("EMPTY");
|
|
assertEquals(sj.toString(), "EMPTY");
|
|
sj.merge(other);
|
|
assertEquals(sj.toString(), "EMPTY");
|
|
}
|
|
|
|
public void testCascadeEmpty() {
|
|
StringJoiner sj = new StringJoiner(",", "{", "}");
|
|
StringJoiner o1 = new StringJoiner(":", "[", "]").setEmptyValue("Empty1");
|
|
StringJoiner o2 = new StringJoiner(",", "<", ">").setEmptyValue("Empty2");
|
|
|
|
o1.merge(o2);
|
|
assertEquals(o1.toString(), "Empty1");
|
|
|
|
sj.merge(o1);
|
|
assertEquals(sj.toString(), "{}");
|
|
}
|
|
|
|
public void testDelimiter() {
|
|
StringJoiner sj = new StringJoiner(",", "{", "}");
|
|
StringJoiner other = new StringJoiner(":", "[", "]");
|
|
Stream.of("a", "b", "c").forEachOrdered(sj::add);
|
|
Stream.of("d", "e", "f").forEachOrdered(other::add);
|
|
|
|
sj.merge(other);
|
|
assertEquals(sj.toString(), "{a,b,c,d:e:f}");
|
|
}
|
|
|
|
public void testMergeSelf() {
|
|
final StringJoiner sj = new StringJoiner(",", "[", "]").add("a").add("b");
|
|
assertEquals(sj.merge(sj).toString(), "[a,b,a,b]");
|
|
assertEquals(sj.merge(sj).toString(), "[a,b,a,b,a,b,a,b]");
|
|
|
|
final StringJoiner sj2 = new StringJoiner(",").add("c").add("d");
|
|
assertEquals(sj2.merge(sj2).toString(), "c,d,c,d");
|
|
}
|
|
}
|