author | phh |
Sat, 30 Nov 2019 14:33:05 -0800 | |
changeset 59330 | 5b96c12f909d |
parent 54481 | f847a42ddc01 |
permissions | -rw-r--r-- |
33663 | 1 |
/* |
54481
f847a42ddc01
8221430: StringBuffer(CharSequence) constructor truncates when -XX:-CompactStrings specified
igerasim
parents:
51994
diff
changeset
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* Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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import java.util.Arrays; |
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import org.testng.annotations.Test; |
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import static org.testng.Assert.assertEquals; |
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import static org.testng.Assert.assertTrue; |
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/* |
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* @test |
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54481
f847a42ddc01
8221430: StringBuffer(CharSequence) constructor truncates when -XX:-CompactStrings specified
igerasim
parents:
51994
diff
changeset
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* @bug 8077559 8221430 |
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* @summary Tests Compact String. This test is testing StringBuffer |
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* behavior related to Compact String. |
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* @run testng/othervm -XX:+CompactStrings CompactStringBuffer |
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* @run testng/othervm -XX:-CompactStrings CompactStringBuffer |
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*/ |
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public class CompactStringBuffer { |
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/* |
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* Tests for "A" |
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*/ |
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@Test |
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public void testCompactStringBufferForLatinA() { |
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final String ORIGIN = "A"; |
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/* |
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* Because right now ASCII is the default encoding parameter for source |
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* code in JDK build environment, so we escape them. same as below. |
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*/ |
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check(new StringBuffer(ORIGIN).append(new char[] { '\uFF21' }), |
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"A\uFF21"); |
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check(new StringBuffer(ORIGIN).append(new StringBuffer("\uFF21")), |
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"A\uFF21"); |
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check(new StringBuffer(ORIGIN).append("\uFF21"), "A\uFF21"); |
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check(new StringBuffer(ORIGIN).append(new StringBuffer("\uFF21")), |
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"A\uFF21"); |
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check(new StringBuffer(ORIGIN).delete(0, 1), ""); |
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check(new StringBuffer(ORIGIN).delete(0, 0), "A"); |
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check(new StringBuffer(ORIGIN).deleteCharAt(0), ""); |
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assertEquals(new StringBuffer(ORIGIN).indexOf("A", 0), 0); |
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assertEquals(new StringBuffer(ORIGIN).indexOf("\uFF21", 0), -1); |
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assertEquals(new StringBuffer(ORIGIN).indexOf("", 0), 0); |
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assertEquals(new StringBuffer(ORIGIN).insert(1, "\uD801\uDC00") |
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.indexOf("A", 0), 0); |
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assertEquals(new StringBuffer(ORIGIN).insert(0, "\uD801\uDC00") |
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.indexOf("A", 0), 2); |
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check(new StringBuffer(ORIGIN).insert(0, new char[] {}), "A"); |
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check(new StringBuffer(ORIGIN).insert(1, new char[] { '\uFF21' }), |
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"A\uFF21"); |
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check(new StringBuffer(ORIGIN).insert(0, new char[] { '\uFF21' }), |
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"\uFF21A"); |
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check(new StringBuffer(ORIGIN).insert(0, new StringBuffer("\uFF21")), |
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"\uFF21A"); |
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check(new StringBuffer(ORIGIN).insert(1, new StringBuffer("\uFF21")), |
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"A\uFF21"); |
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check(new StringBuffer(ORIGIN).insert(0, ""), "A"); |
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check(new StringBuffer(ORIGIN).insert(0, "\uFF21"), "\uFF21A"); |
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check(new StringBuffer(ORIGIN).insert(1, "\uFF21"), "A\uFF21"); |
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assertEquals(new StringBuffer(ORIGIN).lastIndexOf("A"), 0); |
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assertEquals(new StringBuffer(ORIGIN).lastIndexOf("\uFF21"), -1); |
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assertEquals(new StringBuffer(ORIGIN).lastIndexOf(""), 1); |
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check(new StringBuffer(ORIGIN).replace(0, 0, "\uFF21"), "\uFF21A"); |
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check(new StringBuffer(ORIGIN).replace(0, 1, "\uFF21"), "\uFF21"); |
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checkSetCharAt(new StringBuffer(ORIGIN), 0, '\uFF21', "\uFF21"); |
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checkSetLength(new StringBuffer(ORIGIN), 0, ""); |
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checkSetLength(new StringBuffer(ORIGIN), 1, "A"); |
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check(new StringBuffer(ORIGIN).substring(0), "A"); |
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check(new StringBuffer(ORIGIN).substring(1), ""); |
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} |
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/* |
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* Tests for "\uFF21" |
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*/ |
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@Test |
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public void testCompactStringBufferForNonLatinA() { |
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final String ORIGIN = "\uFF21"; |
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check(new StringBuffer(ORIGIN).append(new char[] { 'A' }), "\uFF21A"); |
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check(new StringBuffer(ORIGIN).append(new StringBuffer("A")), "\uFF21A"); |
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check(new StringBuffer(ORIGIN).append("A"), "\uFF21A"); |
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check(new StringBuffer(ORIGIN).append(new StringBuffer("A")), "\uFF21A"); |
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check(new StringBuffer(ORIGIN).delete(0, 1), ""); |
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check(new StringBuffer(ORIGIN).delete(0, 0), "\uFF21"); |
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check(new StringBuffer(ORIGIN).deleteCharAt(0), ""); |
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assertEquals(new StringBuffer(ORIGIN).indexOf("A", 0), -1); |
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assertEquals(new StringBuffer(ORIGIN).indexOf("\uFF21", 0), 0); |
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assertEquals(new StringBuffer(ORIGIN).indexOf("", 0), 0); |
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check(new StringBuffer(ORIGIN).insert(0, new char[] {}), "\uFF21"); |
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check(new StringBuffer(ORIGIN).insert(1, new char[] { 'A' }), "\uFF21A"); |
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check(new StringBuffer(ORIGIN).insert(0, new char[] { 'A' }), "A\uFF21"); |
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check(new StringBuffer(ORIGIN).insert(0, new StringBuffer("A")), |
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"A\uFF21"); |
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check(new StringBuffer(ORIGIN).insert(1, new StringBuffer("A")), |
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"\uFF21A"); |
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check(new StringBuffer(ORIGIN).insert(0, ""), "\uFF21"); |
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check(new StringBuffer(ORIGIN).insert(0, "A"), "A\uFF21"); |
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check(new StringBuffer(ORIGIN).insert(1, "A"), "\uFF21A"); |
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assertEquals(new StringBuffer(ORIGIN).lastIndexOf("A"), -1); |
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assertEquals(new StringBuffer(ORIGIN).lastIndexOf("\uFF21"), 0); |
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assertEquals(new StringBuffer(ORIGIN).lastIndexOf(""), 1); |
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check(new StringBuffer(ORIGIN).replace(0, 0, "A"), "A\uFF21"); |
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check(new StringBuffer(ORIGIN).replace(0, 1, "A"), "A"); |
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checkSetCharAt(new StringBuffer(ORIGIN), 0, 'A', "A"); |
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checkSetLength(new StringBuffer(ORIGIN), 0, ""); |
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checkSetLength(new StringBuffer(ORIGIN), 1, "\uFF21"); |
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check(new StringBuffer(ORIGIN).substring(0), "\uFF21"); |
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check(new StringBuffer(ORIGIN).substring(1), ""); |
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} |
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/* |
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* Tests for "\uFF21A" |
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*/ |
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@Test |
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public void testCompactStringBufferForMixedA1() { |
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final String ORIGIN = "\uFF21A"; |
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check(new StringBuffer(ORIGIN).delete(0, 1), "A"); |
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check(new StringBuffer(ORIGIN).delete(1, 2), "\uFF21"); |
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check(new StringBuffer(ORIGIN).deleteCharAt(1), "\uFF21"); |
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check(new StringBuffer(ORIGIN).deleteCharAt(0), "A"); |
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assertEquals(new StringBuffer(ORIGIN).indexOf("A", 0), 1); |
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assertEquals(new StringBuffer(ORIGIN).indexOf("\uFF21", 0), 0); |
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assertEquals(new StringBuffer(ORIGIN).indexOf("", 0), 0); |
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check(new StringBuffer(ORIGIN).insert(1, new char[] { 'A' }), "\uFF21AA"); |
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check(new StringBuffer(ORIGIN).insert(0, new char[] { '\uFF21' }), |
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"\uFF21\uFF21A"); |
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assertEquals(new StringBuffer(ORIGIN).lastIndexOf("A"), 1); |
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assertEquals(new StringBuffer(ORIGIN).lastIndexOf("\uFF21"), 0); |
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assertEquals(new StringBuffer(ORIGIN).lastIndexOf(""), 2); |
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check(new StringBuffer(ORIGIN).replace(0, 0, "A"), "A\uFF21A"); |
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check(new StringBuffer(ORIGIN).replace(0, 1, "A"), "AA"); |
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checkSetCharAt(new StringBuffer(ORIGIN), 0, 'A', "AA"); |
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checkSetLength(new StringBuffer(ORIGIN), 0, ""); |
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checkSetLength(new StringBuffer(ORIGIN), 1, "\uFF21"); |
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check(new StringBuffer(ORIGIN).substring(0), "\uFF21A"); |
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check(new StringBuffer(ORIGIN).substring(1), "A"); |
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} |
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/* |
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* Tests for "A\uFF21" |
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*/ |
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@Test |
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public void testCompactStringBufferForMixedA2() { |
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final String ORIGIN = "A\uFF21"; |
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check(new StringBuffer(ORIGIN).replace(1, 2, "A"), "AA"); |
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checkSetLength(new StringBuffer(ORIGIN), 1, "A"); |
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check(new StringBuffer(ORIGIN).substring(0), "A\uFF21"); |
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check(new StringBuffer(ORIGIN).substring(1), "\uFF21"); |
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check(new StringBuffer(ORIGIN).substring(0, 1), "A"); |
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} |
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/* |
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* Tests for "\uFF21A\uFF21A\uFF21A\uFF21A\uFF21A" |
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*/ |
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@Test |
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public void testCompactStringBufferForDuplicatedMixedA1() { |
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final String ORIGIN = "\uFF21A\uFF21A\uFF21A\uFF21A\uFF21A"; |
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checkSetLength(new StringBuffer(ORIGIN), 1, "\uFF21"); |
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assertEquals(new StringBuffer(ORIGIN).indexOf("A", 5), 5); |
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assertEquals(new StringBuffer(ORIGIN).indexOf("\uFF21", 5), 6); |
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assertEquals(new StringBuffer(ORIGIN).lastIndexOf("A"), 9); |
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assertEquals(new StringBuffer(ORIGIN).lastIndexOf("\uFF21"), 8); |
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assertEquals(new StringBuffer(ORIGIN).lastIndexOf(""), 10); |
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check(new StringBuffer(ORIGIN).substring(9), "A"); |
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check(new StringBuffer(ORIGIN).substring(8), "\uFF21A"); |
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} |
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/* |
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* Tests for "A\uFF21A\uFF21A\uFF21A\uFF21A\uFF21" |
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*/ |
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@Test |
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public void testCompactStringBufferForDuplicatedMixedA2() { |
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final String ORIGIN = "A\uFF21A\uFF21A\uFF21A\uFF21A\uFF21"; |
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checkSetLength(new StringBuffer(ORIGIN), 1, "A"); |
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assertEquals(new StringBuffer(ORIGIN).indexOf("A", 5), 6); |
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assertEquals(new StringBuffer(ORIGIN).indexOf("\uFF21", 5), 5); |
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assertEquals(new StringBuffer(ORIGIN).lastIndexOf("A"), 8); |
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assertEquals(new StringBuffer(ORIGIN).lastIndexOf("\uFF21"), 9); |
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check(new StringBuffer(ORIGIN).substring(9), "\uFF21"); |
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check(new StringBuffer(ORIGIN).substring(8), "A\uFF21"); |
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} |
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/* |
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* Tests for "\uD801\uDC00\uD801\uDC01" |
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*/ |
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@Test |
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public void testCompactStringForSupplementaryCodePoint() { |
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final String ORIGIN = "\uD801\uDC00\uD801\uDC01"; |
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check(new StringBuffer(ORIGIN).append("A"), "\uD801\uDC00\uD801\uDC01A"); |
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check(new StringBuffer(ORIGIN).append("\uFF21"), |
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"\uD801\uDC00\uD801\uDC01\uFF21"); |
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check(new StringBuffer(ORIGIN).appendCodePoint('A'), |
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"\uD801\uDC00\uD801\uDC01A"); |
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check(new StringBuffer(ORIGIN).appendCodePoint('\uFF21'), |
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"\uD801\uDC00\uD801\uDC01\uFF21"); |
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assertEquals(new StringBuffer(ORIGIN).charAt(0), '\uD801'); |
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assertEquals(new StringBuffer(ORIGIN).codePointAt(0), |
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Character.codePointAt(ORIGIN, 0)); |
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assertEquals(new StringBuffer(ORIGIN).codePointAt(1), |
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Character.codePointAt(ORIGIN, 1)); |
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assertEquals(new StringBuffer(ORIGIN).codePointBefore(2), |
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Character.codePointAt(ORIGIN, 0)); |
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assertEquals(new StringBuffer(ORIGIN).codePointCount(1, 3), 2); |
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check(new StringBuffer(ORIGIN).delete(0, 2), "\uD801\uDC01"); |
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check(new StringBuffer(ORIGIN).delete(0, 3), "\uDC01"); |
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check(new StringBuffer(ORIGIN).deleteCharAt(1), "\uD801\uD801\uDC01"); |
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checkGetChars(new StringBuffer(ORIGIN), 0, 3, new char[] { '\uD801', |
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'\uDC00', '\uD801' }); |
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assertEquals(new StringBuffer(ORIGIN).indexOf("\uD801\uDC01"), 2); |
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assertEquals(new StringBuffer(ORIGIN).indexOf("\uDC01"), 3); |
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assertEquals(new StringBuffer(ORIGIN).indexOf("\uFF21"), -1); |
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assertEquals(new StringBuffer(ORIGIN).indexOf("A"), -1); |
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check(new StringBuffer(ORIGIN).insert(0, "\uFF21"), |
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"\uFF21\uD801\uDC00\uD801\uDC01"); |
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check(new StringBuffer(ORIGIN).insert(1, "\uFF21"), |
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"\uD801\uFF21\uDC00\uD801\uDC01"); |
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check(new StringBuffer(ORIGIN).insert(1, "A"), |
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"\uD801A\uDC00\uD801\uDC01"); |
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assertEquals(new StringBuffer(ORIGIN).lastIndexOf("\uDC00\uD801"), 1); |
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assertEquals(new StringBuffer(ORIGIN).lastIndexOf("\uD801"), 2); |
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assertEquals(new StringBuffer(ORIGIN).lastIndexOf("\uFF21"), -1); |
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assertEquals(new StringBuffer(ORIGIN).lastIndexOf("A"), -1); |
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assertEquals(new StringBuffer(ORIGIN).length(), 4); |
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assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(1, 1), 2); |
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assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(0, 1), 2); |
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check(new StringBuffer(ORIGIN).replace(0, 2, "A"), "A\uD801\uDC01"); |
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check(new StringBuffer(ORIGIN).replace(0, 3, "A"), "A\uDC01"); |
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check(new StringBuffer(ORIGIN).replace(0, 2, "\uFF21"), |
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"\uFF21\uD801\uDC01"); |
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check(new StringBuffer(ORIGIN).replace(0, 3, "\uFF21"), "\uFF21\uDC01"); |
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check(new StringBuffer(ORIGIN).reverse(), "\uD801\uDC01\uD801\uDC00"); |
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checkSetCharAt(new StringBuffer(ORIGIN), 1, '\uDC01', |
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"\uD801\uDC01\uD801\uDC01"); |
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checkSetCharAt(new StringBuffer(ORIGIN), 1, 'A', "\uD801A\uD801\uDC01"); |
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checkSetLength(new StringBuffer(ORIGIN), 2, "\uD801\uDC00"); |
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checkSetLength(new StringBuffer(ORIGIN), 3, "\uD801\uDC00\uD801"); |
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check(new StringBuffer(ORIGIN).substring(1, 3), "\uDC00\uD801"); |
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} |
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/* |
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* Tests for "A\uD801\uDC00\uFF21" |
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*/ |
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@Test |
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public void testCompactStringForSupplementaryCodePointMixed1() { |
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final String ORIGIN = "A\uD801\uDC00\uFF21"; |
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assertEquals(new StringBuffer(ORIGIN).codePointBefore(3), |
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Character.codePointAt(ORIGIN, 1)); |
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assertEquals(new StringBuffer(ORIGIN).codePointBefore(2), '\uD801'); |
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assertEquals(new StringBuffer(ORIGIN).codePointBefore(1), 'A'); |
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assertEquals(new StringBuffer(ORIGIN).codePointCount(0, 3), 2); |
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assertEquals(new StringBuffer(ORIGIN).codePointCount(0, 4), 3); |
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check(new StringBuffer(ORIGIN).delete(0, 1), "\uD801\uDC00\uFF21"); |
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check(new StringBuffer(ORIGIN).delete(0, 1).delete(2, 3), "\uD801\uDC00"); |
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check(new StringBuffer(ORIGIN).deleteCharAt(3).deleteCharAt(0), |
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"\uD801\uDC00"); |
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assertEquals(new StringBuffer(ORIGIN).indexOf("\uFF21"), 3); |
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assertEquals(new StringBuffer(ORIGIN).indexOf("A"), 0); |
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assertEquals(new StringBuffer(ORIGIN).lastIndexOf("\uFF21"), 3); |
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assertEquals(new StringBuffer(ORIGIN).lastIndexOf("A"), 0); |
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assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(0, 1), 1); |
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assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(1, 1), 3); |
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check(new StringBuffer(ORIGIN).replace(1, 3, "A"), "AA\uFF21"); |
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check(new StringBuffer(ORIGIN).replace(1, 4, "A"), "AA"); |
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check(new StringBuffer(ORIGIN).replace(1, 4, ""), "A"); |
|
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check(new StringBuffer(ORIGIN).reverse(), "\uFF21\uD801\uDC00A"); |
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checkSetLength(new StringBuffer(ORIGIN), 1, "A"); |
|
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check(new StringBuffer(ORIGIN).substring(0, 1), "A"); |
|
288 |
} |
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289 |
||
290 |
/* |
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291 |
* Tests for "\uD801\uDC00\uFF21A" |
|
292 |
*/ |
|
293 |
@Test |
|
294 |
public void testCompactStringForSupplementaryCodePointMixed2() { |
|
295 |
final String ORIGIN = "\uD801\uDC00\uFF21A"; |
|
296 |
assertEquals(new StringBuffer(ORIGIN).codePointBefore(3), |
|
297 |
Character.codePointAt(ORIGIN, 2)); |
|
298 |
assertEquals(new StringBuffer(ORIGIN).codePointBefore(2), |
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299 |
Character.codePointAt(ORIGIN, 0)); |
|
300 |
assertEquals(new StringBuffer(ORIGIN).codePointBefore(1), '\uD801'); |
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301 |
assertEquals(new StringBuffer(ORIGIN).codePointCount(0, 3), 2); |
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302 |
assertEquals(new StringBuffer(ORIGIN).codePointCount(0, 4), 3); |
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303 |
check(new StringBuffer(ORIGIN).delete(0, 2), "\uFF21A"); |
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304 |
check(new StringBuffer(ORIGIN).delete(0, 3), "A"); |
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305 |
check(new StringBuffer(ORIGIN).deleteCharAt(0).deleteCharAt(0) |
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.deleteCharAt(0), "A"); |
|
307 |
assertEquals(new StringBuffer(ORIGIN).indexOf("A"), 3); |
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308 |
assertEquals(new StringBuffer(ORIGIN).delete(0, 3).indexOf("A"), 0); |
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309 |
assertEquals(new StringBuffer(ORIGIN).replace(0, 3, "B").indexOf("A"), |
|
310 |
1); |
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311 |
assertEquals(new StringBuffer(ORIGIN).substring(3, 4).indexOf("A"), 0); |
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312 |
assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(1, 1), 2); |
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313 |
assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(0, 1), 2); |
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314 |
assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(2, 1), 3); |
|
315 |
check(new StringBuffer(ORIGIN).replace(0, 3, "B"), "BA"); |
|
316 |
check(new StringBuffer(ORIGIN).reverse(), "A\uFF21\uD801\uDC00"); |
|
317 |
} |
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318 |
||
319 |
/* |
|
320 |
* Tests for "\uD801A\uDC00\uFF21" |
|
321 |
*/ |
|
322 |
@Test |
|
323 |
public void testCompactStringForSupplementaryCodePointMixed3() { |
|
324 |
final String ORIGIN = "\uD801A\uDC00\uFF21"; |
|
325 |
assertEquals(new StringBuffer(ORIGIN).codePointAt(1), 'A'); |
|
326 |
assertEquals(new StringBuffer(ORIGIN).codePointAt(3), '\uFF21'); |
|
327 |
assertEquals(new StringBuffer(ORIGIN).codePointBefore(1), '\uD801'); |
|
328 |
assertEquals(new StringBuffer(ORIGIN).codePointBefore(2), 'A'); |
|
329 |
assertEquals(new StringBuffer(ORIGIN).codePointBefore(3), '\uDC00'); |
|
330 |
assertEquals(new StringBuffer(ORIGIN).codePointCount(0, 3), 3); |
|
331 |
assertEquals(new StringBuffer(ORIGIN).codePointCount(1, 3), 2); |
|
332 |
assertEquals(new StringBuffer(ORIGIN).delete(0, 1).delete(1, 3) |
|
333 |
.indexOf("A"), 0); |
|
334 |
assertEquals( |
|
335 |
new StringBuffer(ORIGIN).replace(0, 1, "B").replace(2, 4, "C") |
|
336 |
.indexOf("A"), 1); |
|
337 |
assertEquals(new StringBuffer(ORIGIN).substring(1, 4).substring(0, 1) |
|
338 |
.indexOf("A"), 0); |
|
339 |
assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(0, 1), 1); |
|
340 |
assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(1, 1), 2); |
|
341 |
assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(2, 1), 3); |
|
342 |
check(new StringBuffer(ORIGIN).reverse(), "\uFF21\uDC00A\uD801"); |
|
343 |
} |
|
344 |
||
345 |
/* |
|
346 |
* Tests for "A\uDC01\uFF21\uD801" |
|
347 |
*/ |
|
348 |
@Test |
|
349 |
public void testCompactStringForSupplementaryCodePointMixed4() { |
|
350 |
final String ORIGIN = "A\uDC01\uFF21\uD801"; |
|
351 |
assertEquals(new StringBuffer(ORIGIN).codePointAt(1), '\uDC01'); |
|
352 |
assertEquals(new StringBuffer(ORIGIN).codePointAt(3), '\uD801'); |
|
353 |
assertEquals(new StringBuffer(ORIGIN).codePointBefore(1), 'A'); |
|
354 |
assertEquals(new StringBuffer(ORIGIN).codePointBefore(2), '\uDC01'); |
|
355 |
assertEquals(new StringBuffer(ORIGIN).codePointBefore(3), '\uFF21'); |
|
356 |
assertEquals(new StringBuffer(ORIGIN).codePointCount(0, 3), 3); |
|
357 |
assertEquals(new StringBuffer(ORIGIN).codePointCount(1, 3), 2); |
|
358 |
assertEquals(new StringBuffer(ORIGIN).delete(1, 4).indexOf("A"), 0); |
|
359 |
assertEquals(new StringBuffer(ORIGIN).replace(1, 4, "B").indexOf("A"), |
|
360 |
0); |
|
361 |
assertEquals(new StringBuffer(ORIGIN).substring(0, 1).indexOf("A"), 0); |
|
362 |
assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(0, 1), 1); |
|
363 |
assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(1, 1), 2); |
|
364 |
assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(2, 1), 3); |
|
365 |
check(new StringBuffer(ORIGIN).reverse(), "\uD801\uFF21\uDC01A"); |
|
366 |
} |
|
367 |
||
368 |
@Test |
|
369 |
public void testCompactStringMisc() { |
|
370 |
String ascii = "abcdefgh"; |
|
371 |
String asciiMixed = "abc" + "\u4e00\u4e01\u4e02" + "fgh"; |
|
372 |
String bmp = "\u4e00\u4e01\u4e02\u4e03\u4e04\u4e05\u4e06\u4e07\u4e08"; |
|
373 |
String bmpMixed = "\u4e00\u4e01\u4e02" + "ABC" + "\u4e06\u4e07\u4e08"; |
|
374 |
||
375 |
check(new StringBuffer().append(ascii).delete(0, 20).toString(), |
|
376 |
""); |
|
377 |
check(new StringBuffer().append(ascii).delete(3, 20).toString(), |
|
378 |
"abc"); |
|
379 |
check(new StringBuffer().append(ascii).delete(3, 6).toString(), |
|
380 |
"abcgh"); |
|
381 |
check(new StringBuffer().append(ascii).deleteCharAt(0).toString(), |
|
382 |
"bcdefgh"); |
|
383 |
check(new StringBuffer().append(ascii).deleteCharAt(3).toString(), |
|
384 |
"abcefgh"); |
|
385 |
check(new StringBuffer().append(asciiMixed).delete(3, 6).toString(), |
|
386 |
"abcfgh"); |
|
387 |
check(new StringBuffer().append(asciiMixed).deleteCharAt(3).toString(), |
|
388 |
"abc\u4e01\u4e02fgh"); |
|
389 |
check(new StringBuffer().append(asciiMixed).deleteCharAt(3) |
|
390 |
.deleteCharAt(3) |
|
391 |
.deleteCharAt(3).toString(), |
|
392 |
"abcfgh"); |
|
393 |
check(new StringBuffer().append(bmp).delete(0, 20).toString(), |
|
394 |
""); |
|
395 |
check(new StringBuffer().append(bmp).delete(3, 20).toString(), |
|
396 |
"\u4e00\u4e01\u4e02"); |
|
397 |
check(new StringBuffer().append(bmp).delete(3, 6).toString(), |
|
398 |
"\u4e00\u4e01\u4e02\u4e06\u4e07\u4e08"); |
|
399 |
check(new StringBuffer().append(bmp).deleteCharAt(0).toString(), |
|
400 |
"\u4e01\u4e02\u4e03\u4e04\u4e05\u4e06\u4e07\u4e08"); |
|
401 |
check(new StringBuffer().append(bmp).deleteCharAt(3).toString(), |
|
402 |
"\u4e00\u4e01\u4e02\u4e04\u4e05\u4e06\u4e07\u4e08"); |
|
403 |
check(new StringBuffer().append(bmpMixed).delete(3, 6).toString(), |
|
404 |
"\u4e00\u4e01\u4e02\u4e06\u4e07\u4e08"); |
|
405 |
||
406 |
//////////////////////////////////////////////////////////////////// |
|
407 |
check(new StringBuffer().append(ascii).replace(3, 6, "AB").toString(), |
|
408 |
"abcABgh"); |
|
409 |
check(new StringBuffer().append(asciiMixed).replace(3, 6, "AB").toString(), |
|
410 |
"abcABfgh"); |
|
411 |
check(new StringBuffer().append(bmp).replace(3, 6, "AB").toString(), |
|
412 |
"\u4e00\u4e01\u4e02AB\u4e06\u4e07\u4e08"); |
|
413 |
||
414 |
check(new StringBuffer().append(bmpMixed).replace(3, 6, "").toString(), |
|
415 |
"\u4e00\u4e01\u4e02\u4e06\u4e07\u4e08"); |
|
416 |
||
417 |
check(new StringBuffer().append(ascii).replace(3, 6, "\u4e01\u4e02").toString(), |
|
418 |
"abc\u4e01\u4e02gh"); |
|
419 |
||
420 |
//////////////////////////////////////////////////////////////////// |
|
421 |
check(new StringBuffer().append(ascii).insert(3, "").toString(), |
|
422 |
"abcdefgh"); |
|
423 |
check(new StringBuffer().append(ascii).insert(3, "AB").toString(), |
|
424 |
"abcABdefgh"); |
|
425 |
check(new StringBuffer().append(ascii).insert(3, "\u4e01\u4e02").toString(), |
|
426 |
"abc\u4e01\u4e02defgh"); |
|
427 |
||
428 |
check(new StringBuffer().append(asciiMixed).insert(0, 'A').toString(), |
|
429 |
"Aabc\u4e00\u4e01\u4e02fgh"); |
|
430 |
check(new StringBuffer().append(asciiMixed).insert(3, "A").toString(), |
|
431 |
"abcA\u4e00\u4e01\u4e02fgh"); |
|
432 |
||
433 |
check(new StringBuffer().append(ascii).insert(3, 1234567).toString(), |
|
434 |
"abc1234567defgh"); |
|
435 |
check(new StringBuffer().append(bmp).insert(3, 1234567).toString(), |
|
436 |
"\u4e00\u4e01\u4e021234567\u4e03\u4e04\u4e05\u4e06\u4e07\u4e08"); |
|
437 |
||
438 |
//////////////////////////////////////////////////////////////////// |
|
439 |
check(new StringBuffer().append(ascii).append(1.23456).toString(), |
|
440 |
"abcdefgh1.23456"); |
|
441 |
check(new StringBuffer().append(bmp).append(1.23456).toString(), |
|
442 |
"\u4e00\u4e01\u4e02\u4e03\u4e04\u4e05\u4e06\u4e07\u4e081.23456"); |
|
54481
f847a42ddc01
8221430: StringBuffer(CharSequence) constructor truncates when -XX:-CompactStrings specified
igerasim
parents:
51994
diff
changeset
|
443 |
|
f847a42ddc01
8221430: StringBuffer(CharSequence) constructor truncates when -XX:-CompactStrings specified
igerasim
parents:
51994
diff
changeset
|
444 |
//////////////////////////////////////////////////////////////////// |
f847a42ddc01
8221430: StringBuffer(CharSequence) constructor truncates when -XX:-CompactStrings specified
igerasim
parents:
51994
diff
changeset
|
445 |
check(new StringBuffer((CharSequence)new StringBuffer(ascii)).toString(), |
f847a42ddc01
8221430: StringBuffer(CharSequence) constructor truncates when -XX:-CompactStrings specified
igerasim
parents:
51994
diff
changeset
|
446 |
ascii); |
f847a42ddc01
8221430: StringBuffer(CharSequence) constructor truncates when -XX:-CompactStrings specified
igerasim
parents:
51994
diff
changeset
|
447 |
check(new StringBuffer((CharSequence)new StringBuffer(asciiMixed)).toString(), |
f847a42ddc01
8221430: StringBuffer(CharSequence) constructor truncates when -XX:-CompactStrings specified
igerasim
parents:
51994
diff
changeset
|
448 |
asciiMixed); |
33663 | 449 |
} |
450 |
||
451 |
private void checkGetChars(StringBuffer sb, int srcBegin, int srcEnd, |
|
452 |
char expected[]) { |
|
453 |
char[] dst = new char[srcEnd - srcBegin]; |
|
454 |
sb.getChars(srcBegin, srcEnd, dst, 0); |
|
455 |
assertTrue(Arrays.equals(dst, expected)); |
|
456 |
} |
|
457 |
||
458 |
private void checkSetCharAt(StringBuffer sb, int index, char ch, |
|
459 |
String expected) { |
|
460 |
sb.setCharAt(index, ch); |
|
461 |
check(sb, expected); |
|
462 |
} |
|
463 |
||
464 |
private void checkSetLength(StringBuffer sb, int newLength, String expected) { |
|
465 |
sb.setLength(newLength); |
|
466 |
check(sb, expected); |
|
467 |
} |
|
468 |
||
469 |
private void check(StringBuffer sb, String expected) { |
|
470 |
check(sb.toString(), expected); |
|
471 |
} |
|
472 |
||
473 |
private void check(String str, String expected) { |
|
474 |
assertTrue(str.equals(expected), String.format( |
|
475 |
"Get (%s) but expect (%s), ", escapeNonASCIIs(str), |
|
476 |
escapeNonASCIIs(expected))); |
|
477 |
} |
|
478 |
||
479 |
/* |
|
51994 | 480 |
* Escape non-ASCII characters since not all systems support them. |
33663 | 481 |
*/ |
482 |
private String escapeNonASCIIs(String str) { |
|
483 |
StringBuilder sb = new StringBuilder(); |
|
484 |
for (int i = 0; i < str.length(); i++) { |
|
485 |
char c = str.charAt(i); |
|
486 |
if (c > 0x7F) { |
|
487 |
sb.append("\\u").append(Integer.toHexString((int) c)); |
|
488 |
} else { |
|
489 |
sb.append(c); |
|
490 |
} |
|
491 |
} |
|
492 |
return sb.toString(); |
|
493 |
} |
|
494 |
} |