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test/tools/javac/util/list/ListBufferTest.java@959103a6100f (annotated)

test/tools/javac/util/list/ListBufferTest.java

Wed, 27 Apr 2016 01:34:52 +0800

author

aoqi

date

Wed, 27 Apr 2016 01:34:52 +0800

changeset 0

959103a6100f

permissions

-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24	/*
aoqi@0	25	* @test
aoqi@0	26	* @bug 8004504
aoqi@0	27	* @summary Ensure that ListBuffer is working properly
aoqi@0	28	*/
aoqi@0	29
aoqi@0	30	import com.sun.tools.javac.util.List;
aoqi@0	31	import com.sun.tools.javac.util.ListBuffer;
aoqi@0	32	import java.util.Iterator;
aoqi@0	33	import java.util.Objects;
aoqi@0	34
aoqi@0	35	public class ListBufferTest {
aoqi@0	36	public static void main(String... args) {
aoqi@0	37	testRemove();
aoqi@0	38	testCopiedEndsWithList_nil();
aoqi@0	39	}
aoqi@0	40
aoqi@0	41	private static void testCopiedEndsWithList_nil() {
aoqi@0	42	ListBuffer<String> lb = new ListBuffer<>();
aoqi@0	43
aoqi@0	44	lb.add("a");
aoqi@0	45	lb.add("b");
aoqi@0	46	lb.add("c");
aoqi@0	47
aoqi@0	48	List<String> l1 = lb.toList();
aoqi@0	49
aoqi@0	50	assertListEquals(l1, "a", "b", "c");
aoqi@0	51	assertEndsWithNil(l1);
aoqi@0	52
aoqi@0	53	lb.add("d");
aoqi@0	54
aoqi@0	55	List<String> l2 = lb.toList();
aoqi@0	56	assertListEquals(l2, "a", "b", "c", "d");
aoqi@0	57	assertEndsWithNil(l2);
aoqi@0	58	assertListEquals(l1, "a", "b", "c");
aoqi@0	59	}
aoqi@0	60
aoqi@0	61	private static void testRemove() {
aoqi@0	62	ListBuffer<String> lb1 = new ListBuffer<>();
aoqi@0	63
aoqi@0	64	lb1.add("a");
aoqi@0	65	lb1.add("b");
aoqi@0	66	lb1.add("c");
aoqi@0	67
aoqi@0	68	assertListEquals(lb1.toList(), "a", "b", "c");
aoqi@0	69	assertEquals(lb1.next(), "a");
aoqi@0	70	assertListEquals(lb1.toList(), "b", "c");
aoqi@0	71	assertEquals(lb1.next(), "b");
aoqi@0	72	assertListEquals(lb1.toList(), "c");
aoqi@0	73	assertEquals(lb1.next(), "c");
aoqi@0	74	assertListEquals(lb1.toList());
aoqi@0	75	assertEquals(lb1.next(), null);
aoqi@0	76
aoqi@0	77	lb1.add("d");
aoqi@0	78
aoqi@0	79	assertEquals(lb1.next(), "d");
aoqi@0	80	}
aoqi@0	81
aoqi@0	82	private static void assertEndsWithNil(List<?> list) {
aoqi@0	83	while (!list.isEmpty()) {
aoqi@0	84	list = list.tail;
aoqi@0	85	}
aoqi@0	86
aoqi@0	87	if (list != List.nil()) throw new IllegalStateException("Not ending with List.nil()");
aoqi@0	88	}
aoqi@0	89
aoqi@0	90	private static <T> void assertListEquals(Iterable<T> list, T... data) {
aoqi@0	91	int i = 0;
aoqi@0	92	Iterator<T> it = list.iterator();
aoqi@0	93
aoqi@0	94	while (it.hasNext() && i < data.length) {
aoqi@0	95	assertEquals(it.next(), data[i++]);
aoqi@0	96	}
aoqi@0	97
aoqi@0	98	if (it.hasNext()) {
aoqi@0	99	throw new IllegalStateException("Too many elements in the list");
aoqi@0	100	}
aoqi@0	101
aoqi@0	102	if (i < data.length) {
aoqi@0	103	throw new IllegalStateException("Too few elements in the list");
aoqi@0	104	}
aoqi@0	105	}
aoqi@0	106
aoqi@0	107	private static void assertEquals(Object expected, Object actual) {
aoqi@0	108	if (!Objects.equals(expected, actual)) {
aoqi@0	109	throw new IllegalStateException("Incorrect content. Expected: " + expected + ", actual: " + actual);
aoqi@0	110	}
aoqi@0	111	}
aoqi@0	112	}