jdk-sandbox: jdk/test/java/util/StringJoiner/MergeTest.java@0060a996fe1c (annotated)

18778 7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	1	/*
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	2	* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	4	*
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	5	* This code is free software; you can redistribute it and/or modify it
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	6	* under the terms of the GNU General Public License version 2 only, as
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	7	* published by the Free Software Foundation.
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	8	*
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	9	* This code is distributed in the hope that it will be useful, but WITHOUT
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	12	* version 2 for more details (a copy is included in the LICENSE file that
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	13	* accompanied this code).
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	14	*
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	15	* You should have received a copy of the GNU General Public License version
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	16	* 2 along with this work; if not, write to the Free Software Foundation,
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	18	*
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	20	* or visit www.oracle.com if you need additional information or have any
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	21	* questions.
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	22	*/
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	23
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	24	/**
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	25	* @test
25967 0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	26	* @bug 8017231 8020977 8054221
18778 7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	27	* @summary test StringJoiner::merge
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	28	* @run testng MergeTest
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	29	*/
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	30
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	31	import java.util.StringJoiner;
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	32	import java.util.stream.Stream;
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	33	import org.testng.annotations.Test;
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	34	import static org.testng.Assert.assertEquals;
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	35	import static org.testng.Assert.fail;
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	36
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	37	@Test
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	38	public class MergeTest {
25967 0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	39	private final static String[] PREFIXES = {"", "{", "@#$%"};
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	40	private final static String[] SUFFIXES = {"", "}", "*&%$"};
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	41
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	42	private static class Fixes {
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	43	public String pre0, suf0;
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	44	public String pre1, suf1;
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	45	public Fixes(String prefix0, String suffix0,
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	46	String prefix1, String suffix1) {
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	47	this.pre0 = prefix0;
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	48	this.suf0 = suffix0;
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	49	this.pre1 = prefix1;
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	50	this.suf1 = suffix1;
18778 7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	51	}
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	52	}
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	53
25967 0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	54	private static Stream<Fixes> fixesStream() {
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	55	Stream.Builder<Fixes> builder = Stream.builder();
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	56	for (final String prefix0 : PREFIXES) {
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	57	for (final String suffix0 : SUFFIXES) {
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	58	for (final String prefix1 : PREFIXES) {
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	59	for (final String suffix1 : SUFFIXES) {
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	60	builder.accept(new Fixes(prefix0, suffix0,
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	61	prefix1, suffix1));
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	62	}
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	63	}
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	64	}
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	65	}
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	66	return builder.build();
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	67	}
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	68
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	69	@Test(expectedExceptions = {NullPointerException.class})
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	70	public void testNull() {
18778 7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	71	StringJoiner sj = new StringJoiner(",", "{", "}");
25967 0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	72	sj.merge(null);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	73	}
18778 7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	74
25967 0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	75	public void testSimple() {
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	76	fixesStream().forEach(fixes -> {
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	77	StringJoiner sj = new StringJoiner(",", fixes.pre0, fixes.suf0);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	78	StringJoiner other = new StringJoiner(",", fixes.pre1, fixes.suf1);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	79	Stream.of("a", "b", "c").forEachOrdered(sj::add);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	80	Stream.of("d", "e", "f").forEachOrdered(other::add);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	81
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	82	sj.merge(other);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	83	assertEquals(sj.toString(), fixes.pre0 + "a,b,c,d,e,f" + fixes.suf0);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	84	});
18778 7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	85	}
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	86
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	87	public void testEmptyOther() {
25967 0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	88	fixesStream().forEach(fixes -> {
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	89	StringJoiner sj = new StringJoiner(",", fixes.pre0, fixes.suf0);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	90	StringJoiner other = new StringJoiner(",", fixes.pre1, fixes.suf1);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	91	Stream.of("a", "b", "c").forEachOrdered(sj::add);
18778 7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	92
25967 0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	93	sj.merge(other);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	94	assertEquals(sj.toString(), fixes.pre0 + "a,b,c" + fixes.suf0);
18778 7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	95
25967 0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	96	other.setEmptyValue("EMPTY");
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	97	sj.merge(other);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	98	assertEquals(sj.toString(), fixes.pre0 + "a,b,c" + fixes.suf0);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	99	});
18778 7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	100	}
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	101
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	102	public void testEmptyThis() {
25967 0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	103	fixesStream().forEach(fixes -> {
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	104	StringJoiner sj = new StringJoiner(",", fixes.pre0, fixes.suf0);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	105	StringJoiner other = new StringJoiner(":", fixes.pre1, fixes.suf1);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	106	Stream.of("d", "e", "f").forEachOrdered(other::add);
18778 7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	107
25967 0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	108	sj.merge(other);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	109	assertEquals(sj.toString(), fixes.pre0 + "d:e:f" + fixes.suf0);
18778 7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	110
25967 0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	111	sj = new StringJoiner(",", fixes.pre0, fixes.suf0).setEmptyValue("EMPTY");
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	112	assertEquals(sj.toString(), "EMPTY");
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	113	sj.merge(other);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	114	assertEquals(sj.toString(), fixes.pre0 + "d:e:f" + fixes.suf0);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	115	});
18778 7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	116	}
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	117
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	118	public void testEmptyBoth() {
25967 0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	119	fixesStream().forEach(fixes -> {
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	120	StringJoiner sj = new StringJoiner(",", fixes.pre0, fixes.suf0);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	121	StringJoiner other = new StringJoiner(":", fixes.pre1, fixes.suf1);
18778 7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	122
25967 0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	123	sj.merge(other);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	124	assertEquals(sj.toString(), fixes.pre0 + fixes.suf0);
18778 7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	125
25967 0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	126	other.setEmptyValue("NOTHING");
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	127	sj.merge(other);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	128	assertEquals(sj.toString(), fixes.pre0 + fixes.suf0);
18778 7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	129
25967 0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	130	sj = new StringJoiner(",", fixes.pre0, fixes.suf0).setEmptyValue("EMPTY");
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	131	assertEquals(sj.toString(), "EMPTY");
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	132	sj.merge(other);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	133	assertEquals(sj.toString(), "EMPTY");
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	134	});
18778 7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	135	}
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	136
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	137	public void testCascadeEmpty() {
25967 0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	138	fixesStream().forEach(fixes -> {
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	139	StringJoiner sj = new StringJoiner(",", fixes.pre0, fixes.suf0);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	140	StringJoiner o1 = new StringJoiner(":", fixes.pre1, fixes.suf1).setEmptyValue("Empty1");
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	141	StringJoiner o2 = new StringJoiner(",", "<", ">").setEmptyValue("Empty2");
18778 7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	142
25967 0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	143	o1.merge(o2);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	144	assertEquals(o1.toString(), "Empty1");
18778 7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	145
25967 0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	146	sj.merge(o1);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	147	assertEquals(sj.toString(), fixes.pre0 + fixes.suf0);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	148	});
18778 7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	149	}
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	150
7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	151	public void testDelimiter() {
25967 0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	152	fixesStream().forEach(fixes -> {
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	153	StringJoiner sj = new StringJoiner(",", fixes.pre0, fixes.suf0);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	154	StringJoiner other = new StringJoiner(":", fixes.pre1, fixes.suf1);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	155	Stream.of("a", "b", "c").forEachOrdered(sj::add);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	156	Stream.of("d", "e", "f").forEachOrdered(other::add);
18778 7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	157
25967 0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	158	sj.merge(other);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	159	assertEquals(sj.toString(), fixes.pre0 + "a,b,c,d:e:f" + fixes.suf0);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	160	});
18778 7214a903b084 8017231: Add StringJoiner.merge alanb parents: diff changeset	161	}
19071 bc096b85d91d 8020977: StringJoiner merges with itself not as expected henryjen parents: 18778 diff changeset	162
bc096b85d91d 8020977: StringJoiner merges with itself not as expected henryjen parents: 18778 diff changeset	163	public void testMergeSelf() {
25967 0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	164	fixesStream().forEach(fixes -> {
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	165	final StringJoiner sj = new StringJoiner(",", fixes.pre0, fixes.suf0).add("a").add("b");
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	166	assertEquals(sj.merge(sj).toString(), fixes.pre0 + "a,b,a,b" + fixes.suf0);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	167	assertEquals(sj.merge(sj).toString(), fixes.pre0 + "a,b,a,b,a,b,a,b" + fixes.suf0);
0060a996fe1c 8054221: StringJoiner imlementation optimization igerasim parents: 19071 diff changeset	168	});
19071 bc096b85d91d 8020977: StringJoiner merges with itself not as expected henryjen parents: 18778 diff changeset	169	}
bc096b85d91d 8020977: StringJoiner merges with itself not as expected henryjen parents: 18778 diff changeset	170	}

author	igerasim
	Thu, 07 Aug 2014 15:07:33 +0400
changeset 25967	0060a996fe1c
parent 19071	bc096b85d91d
child 32649	2ee9017c7597
permissions	-rw-r--r--