| /* |
| * Copyright (c) 2015, 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. |
| */ |
| |
| import java.util.Arrays; |
| |
| import org.testng.annotations.Test; |
| |
| import static org.testng.Assert.assertEquals; |
| import static org.testng.Assert.assertTrue; |
| |
| /* |
| * @test |
| * @bug 8077559 |
| * @summary Tests Compact String. This test is testing StringBuffer |
| * behavior related to Compact String. |
| * @run testng/othervm -XX:+CompactStrings CompactStringBuffer |
| * @run testng/othervm -XX:-CompactStrings CompactStringBuffer |
| */ |
| |
| public class CompactStringBuffer { |
| |
| /* |
| * Tests for "A" |
| */ |
| @Test |
| public void testCompactStringBufferForLatinA() { |
| final String ORIGIN = "A"; |
| /* |
| * Because right now ASCII is the default encoding parameter for source |
| * code in JDK build environment, so we escape them. same as below. |
| */ |
| check(new StringBuffer(ORIGIN).append(new char[] { '\uFF21' }), |
| "A\uFF21"); |
| check(new StringBuffer(ORIGIN).append(new StringBuffer("\uFF21")), |
| "A\uFF21"); |
| check(new StringBuffer(ORIGIN).append("\uFF21"), "A\uFF21"); |
| check(new StringBuffer(ORIGIN).append(new StringBuffer("\uFF21")), |
| "A\uFF21"); |
| check(new StringBuffer(ORIGIN).delete(0, 1), ""); |
| check(new StringBuffer(ORIGIN).delete(0, 0), "A"); |
| check(new StringBuffer(ORIGIN).deleteCharAt(0), ""); |
| assertEquals(new StringBuffer(ORIGIN).indexOf("A", 0), 0); |
| assertEquals(new StringBuffer(ORIGIN).indexOf("\uFF21", 0), -1); |
| assertEquals(new StringBuffer(ORIGIN).indexOf("", 0), 0); |
| assertEquals(new StringBuffer(ORIGIN).insert(1, "\uD801\uDC00") |
| .indexOf("A", 0), 0); |
| assertEquals(new StringBuffer(ORIGIN).insert(0, "\uD801\uDC00") |
| .indexOf("A", 0), 2); |
| check(new StringBuffer(ORIGIN).insert(0, new char[] {}), "A"); |
| check(new StringBuffer(ORIGIN).insert(1, new char[] { '\uFF21' }), |
| "A\uFF21"); |
| check(new StringBuffer(ORIGIN).insert(0, new char[] { '\uFF21' }), |
| "\uFF21A"); |
| check(new StringBuffer(ORIGIN).insert(0, new StringBuffer("\uFF21")), |
| "\uFF21A"); |
| check(new StringBuffer(ORIGIN).insert(1, new StringBuffer("\uFF21")), |
| "A\uFF21"); |
| check(new StringBuffer(ORIGIN).insert(0, ""), "A"); |
| check(new StringBuffer(ORIGIN).insert(0, "\uFF21"), "\uFF21A"); |
| check(new StringBuffer(ORIGIN).insert(1, "\uFF21"), "A\uFF21"); |
| assertEquals(new StringBuffer(ORIGIN).lastIndexOf("A"), 0); |
| assertEquals(new StringBuffer(ORIGIN).lastIndexOf("\uFF21"), -1); |
| assertEquals(new StringBuffer(ORIGIN).lastIndexOf(""), 1); |
| check(new StringBuffer(ORIGIN).replace(0, 0, "\uFF21"), "\uFF21A"); |
| check(new StringBuffer(ORIGIN).replace(0, 1, "\uFF21"), "\uFF21"); |
| checkSetCharAt(new StringBuffer(ORIGIN), 0, '\uFF21', "\uFF21"); |
| checkSetLength(new StringBuffer(ORIGIN), 0, ""); |
| checkSetLength(new StringBuffer(ORIGIN), 1, "A"); |
| check(new StringBuffer(ORIGIN).substring(0), "A"); |
| check(new StringBuffer(ORIGIN).substring(1), ""); |
| } |
| |
| /* |
| * Tests for "\uFF21" |
| */ |
| @Test |
| public void testCompactStringBufferForNonLatinA() { |
| final String ORIGIN = "\uFF21"; |
| check(new StringBuffer(ORIGIN).append(new char[] { 'A' }), "\uFF21A"); |
| check(new StringBuffer(ORIGIN).append(new StringBuffer("A")), "\uFF21A"); |
| check(new StringBuffer(ORIGIN).append("A"), "\uFF21A"); |
| check(new StringBuffer(ORIGIN).append(new StringBuffer("A")), "\uFF21A"); |
| check(new StringBuffer(ORIGIN).delete(0, 1), ""); |
| check(new StringBuffer(ORIGIN).delete(0, 0), "\uFF21"); |
| check(new StringBuffer(ORIGIN).deleteCharAt(0), ""); |
| assertEquals(new StringBuffer(ORIGIN).indexOf("A", 0), -1); |
| assertEquals(new StringBuffer(ORIGIN).indexOf("\uFF21", 0), 0); |
| assertEquals(new StringBuffer(ORIGIN).indexOf("", 0), 0); |
| check(new StringBuffer(ORIGIN).insert(0, new char[] {}), "\uFF21"); |
| check(new StringBuffer(ORIGIN).insert(1, new char[] { 'A' }), "\uFF21A"); |
| check(new StringBuffer(ORIGIN).insert(0, new char[] { 'A' }), "A\uFF21"); |
| check(new StringBuffer(ORIGIN).insert(0, new StringBuffer("A")), |
| "A\uFF21"); |
| check(new StringBuffer(ORIGIN).insert(1, new StringBuffer("A")), |
| "\uFF21A"); |
| check(new StringBuffer(ORIGIN).insert(0, ""), "\uFF21"); |
| check(new StringBuffer(ORIGIN).insert(0, "A"), "A\uFF21"); |
| check(new StringBuffer(ORIGIN).insert(1, "A"), "\uFF21A"); |
| assertEquals(new StringBuffer(ORIGIN).lastIndexOf("A"), -1); |
| assertEquals(new StringBuffer(ORIGIN).lastIndexOf("\uFF21"), 0); |
| assertEquals(new StringBuffer(ORIGIN).lastIndexOf(""), 1); |
| check(new StringBuffer(ORIGIN).replace(0, 0, "A"), "A\uFF21"); |
| check(new StringBuffer(ORIGIN).replace(0, 1, "A"), "A"); |
| checkSetCharAt(new StringBuffer(ORIGIN), 0, 'A', "A"); |
| checkSetLength(new StringBuffer(ORIGIN), 0, ""); |
| checkSetLength(new StringBuffer(ORIGIN), 1, "\uFF21"); |
| check(new StringBuffer(ORIGIN).substring(0), "\uFF21"); |
| check(new StringBuffer(ORIGIN).substring(1), ""); |
| } |
| |
| /* |
| * Tests for "\uFF21A" |
| */ |
| @Test |
| public void testCompactStringBufferForMixedA1() { |
| final String ORIGIN = "\uFF21A"; |
| check(new StringBuffer(ORIGIN).delete(0, 1), "A"); |
| check(new StringBuffer(ORIGIN).delete(1, 2), "\uFF21"); |
| check(new StringBuffer(ORIGIN).deleteCharAt(1), "\uFF21"); |
| check(new StringBuffer(ORIGIN).deleteCharAt(0), "A"); |
| assertEquals(new StringBuffer(ORIGIN).indexOf("A", 0), 1); |
| assertEquals(new StringBuffer(ORIGIN).indexOf("\uFF21", 0), 0); |
| assertEquals(new StringBuffer(ORIGIN).indexOf("", 0), 0); |
| check(new StringBuffer(ORIGIN).insert(1, new char[] { 'A' }), "\uFF21AA"); |
| check(new StringBuffer(ORIGIN).insert(0, new char[] { '\uFF21' }), |
| "\uFF21\uFF21A"); |
| assertEquals(new StringBuffer(ORIGIN).lastIndexOf("A"), 1); |
| assertEquals(new StringBuffer(ORIGIN).lastIndexOf("\uFF21"), 0); |
| assertEquals(new StringBuffer(ORIGIN).lastIndexOf(""), 2); |
| check(new StringBuffer(ORIGIN).replace(0, 0, "A"), "A\uFF21A"); |
| check(new StringBuffer(ORIGIN).replace(0, 1, "A"), "AA"); |
| checkSetCharAt(new StringBuffer(ORIGIN), 0, 'A', "AA"); |
| checkSetLength(new StringBuffer(ORIGIN), 0, ""); |
| checkSetLength(new StringBuffer(ORIGIN), 1, "\uFF21"); |
| check(new StringBuffer(ORIGIN).substring(0), "\uFF21A"); |
| check(new StringBuffer(ORIGIN).substring(1), "A"); |
| } |
| |
| /* |
| * Tests for "A\uFF21" |
| */ |
| @Test |
| public void testCompactStringBufferForMixedA2() { |
| final String ORIGIN = "A\uFF21"; |
| check(new StringBuffer(ORIGIN).replace(1, 2, "A"), "AA"); |
| checkSetLength(new StringBuffer(ORIGIN), 1, "A"); |
| check(new StringBuffer(ORIGIN).substring(0), "A\uFF21"); |
| check(new StringBuffer(ORIGIN).substring(1), "\uFF21"); |
| check(new StringBuffer(ORIGIN).substring(0, 1), "A"); |
| } |
| |
| /* |
| * Tests for "\uFF21A\uFF21A\uFF21A\uFF21A\uFF21A" |
| */ |
| @Test |
| public void testCompactStringBufferForDuplicatedMixedA1() { |
| final String ORIGIN = "\uFF21A\uFF21A\uFF21A\uFF21A\uFF21A"; |
| checkSetLength(new StringBuffer(ORIGIN), 1, "\uFF21"); |
| assertEquals(new StringBuffer(ORIGIN).indexOf("A", 5), 5); |
| assertEquals(new StringBuffer(ORIGIN).indexOf("\uFF21", 5), 6); |
| assertEquals(new StringBuffer(ORIGIN).lastIndexOf("A"), 9); |
| assertEquals(new StringBuffer(ORIGIN).lastIndexOf("\uFF21"), 8); |
| assertEquals(new StringBuffer(ORIGIN).lastIndexOf(""), 10); |
| check(new StringBuffer(ORIGIN).substring(9), "A"); |
| check(new StringBuffer(ORIGIN).substring(8), "\uFF21A"); |
| } |
| |
| /* |
| * Tests for "A\uFF21A\uFF21A\uFF21A\uFF21A\uFF21" |
| */ |
| @Test |
| public void testCompactStringBufferForDuplicatedMixedA2() { |
| final String ORIGIN = "A\uFF21A\uFF21A\uFF21A\uFF21A\uFF21"; |
| checkSetLength(new StringBuffer(ORIGIN), 1, "A"); |
| assertEquals(new StringBuffer(ORIGIN).indexOf("A", 5), 6); |
| assertEquals(new StringBuffer(ORIGIN).indexOf("\uFF21", 5), 5); |
| assertEquals(new StringBuffer(ORIGIN).lastIndexOf("A"), 8); |
| assertEquals(new StringBuffer(ORIGIN).lastIndexOf("\uFF21"), 9); |
| check(new StringBuffer(ORIGIN).substring(9), "\uFF21"); |
| check(new StringBuffer(ORIGIN).substring(8), "A\uFF21"); |
| } |
| |
| /* |
| * Tests for "\uD801\uDC00\uD801\uDC01" |
| */ |
| @Test |
| public void testCompactStringForSupplementaryCodePoint() { |
| final String ORIGIN = "\uD801\uDC00\uD801\uDC01"; |
| check(new StringBuffer(ORIGIN).append("A"), "\uD801\uDC00\uD801\uDC01A"); |
| check(new StringBuffer(ORIGIN).append("\uFF21"), |
| "\uD801\uDC00\uD801\uDC01\uFF21"); |
| check(new StringBuffer(ORIGIN).appendCodePoint('A'), |
| "\uD801\uDC00\uD801\uDC01A"); |
| check(new StringBuffer(ORIGIN).appendCodePoint('\uFF21'), |
| "\uD801\uDC00\uD801\uDC01\uFF21"); |
| assertEquals(new StringBuffer(ORIGIN).charAt(0), '\uD801'); |
| assertEquals(new StringBuffer(ORIGIN).codePointAt(0), |
| Character.codePointAt(ORIGIN, 0)); |
| assertEquals(new StringBuffer(ORIGIN).codePointAt(1), |
| Character.codePointAt(ORIGIN, 1)); |
| assertEquals(new StringBuffer(ORIGIN).codePointBefore(2), |
| Character.codePointAt(ORIGIN, 0)); |
| assertEquals(new StringBuffer(ORIGIN).codePointCount(1, 3), 2); |
| check(new StringBuffer(ORIGIN).delete(0, 2), "\uD801\uDC01"); |
| check(new StringBuffer(ORIGIN).delete(0, 3), "\uDC01"); |
| check(new StringBuffer(ORIGIN).deleteCharAt(1), "\uD801\uD801\uDC01"); |
| checkGetChars(new StringBuffer(ORIGIN), 0, 3, new char[] { '\uD801', |
| '\uDC00', '\uD801' }); |
| assertEquals(new StringBuffer(ORIGIN).indexOf("\uD801\uDC01"), 2); |
| assertEquals(new StringBuffer(ORIGIN).indexOf("\uDC01"), 3); |
| assertEquals(new StringBuffer(ORIGIN).indexOf("\uFF21"), -1); |
| assertEquals(new StringBuffer(ORIGIN).indexOf("A"), -1); |
| check(new StringBuffer(ORIGIN).insert(0, "\uFF21"), |
| "\uFF21\uD801\uDC00\uD801\uDC01"); |
| check(new StringBuffer(ORIGIN).insert(1, "\uFF21"), |
| "\uD801\uFF21\uDC00\uD801\uDC01"); |
| check(new StringBuffer(ORIGIN).insert(1, "A"), |
| "\uD801A\uDC00\uD801\uDC01"); |
| assertEquals(new StringBuffer(ORIGIN).lastIndexOf("\uDC00\uD801"), 1); |
| assertEquals(new StringBuffer(ORIGIN).lastIndexOf("\uD801"), 2); |
| assertEquals(new StringBuffer(ORIGIN).lastIndexOf("\uFF21"), -1); |
| assertEquals(new StringBuffer(ORIGIN).lastIndexOf("A"), -1); |
| assertEquals(new StringBuffer(ORIGIN).length(), 4); |
| assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(1, 1), 2); |
| assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(0, 1), 2); |
| check(new StringBuffer(ORIGIN).replace(0, 2, "A"), "A\uD801\uDC01"); |
| check(new StringBuffer(ORIGIN).replace(0, 3, "A"), "A\uDC01"); |
| check(new StringBuffer(ORIGIN).replace(0, 2, "\uFF21"), |
| "\uFF21\uD801\uDC01"); |
| check(new StringBuffer(ORIGIN).replace(0, 3, "\uFF21"), "\uFF21\uDC01"); |
| check(new StringBuffer(ORIGIN).reverse(), "\uD801\uDC01\uD801\uDC00"); |
| checkSetCharAt(new StringBuffer(ORIGIN), 1, '\uDC01', |
| "\uD801\uDC01\uD801\uDC01"); |
| checkSetCharAt(new StringBuffer(ORIGIN), 1, 'A', "\uD801A\uD801\uDC01"); |
| checkSetLength(new StringBuffer(ORIGIN), 2, "\uD801\uDC00"); |
| checkSetLength(new StringBuffer(ORIGIN), 3, "\uD801\uDC00\uD801"); |
| check(new StringBuffer(ORIGIN).substring(1, 3), "\uDC00\uD801"); |
| } |
| |
| /* |
| * Tests for "A\uD801\uDC00\uFF21" |
| */ |
| @Test |
| public void testCompactStringForSupplementaryCodePointMixed1() { |
| final String ORIGIN = "A\uD801\uDC00\uFF21"; |
| assertEquals(new StringBuffer(ORIGIN).codePointBefore(3), |
| Character.codePointAt(ORIGIN, 1)); |
| assertEquals(new StringBuffer(ORIGIN).codePointBefore(2), '\uD801'); |
| assertEquals(new StringBuffer(ORIGIN).codePointBefore(1), 'A'); |
| assertEquals(new StringBuffer(ORIGIN).codePointCount(0, 3), 2); |
| assertEquals(new StringBuffer(ORIGIN).codePointCount(0, 4), 3); |
| check(new StringBuffer(ORIGIN).delete(0, 1), "\uD801\uDC00\uFF21"); |
| check(new StringBuffer(ORIGIN).delete(0, 1).delete(2, 3), "\uD801\uDC00"); |
| check(new StringBuffer(ORIGIN).deleteCharAt(3).deleteCharAt(0), |
| "\uD801\uDC00"); |
| assertEquals(new StringBuffer(ORIGIN).indexOf("\uFF21"), 3); |
| assertEquals(new StringBuffer(ORIGIN).indexOf("A"), 0); |
| assertEquals(new StringBuffer(ORIGIN).lastIndexOf("\uFF21"), 3); |
| assertEquals(new StringBuffer(ORIGIN).lastIndexOf("A"), 0); |
| assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(0, 1), 1); |
| assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(1, 1), 3); |
| check(new StringBuffer(ORIGIN).replace(1, 3, "A"), "AA\uFF21"); |
| check(new StringBuffer(ORIGIN).replace(1, 4, "A"), "AA"); |
| check(new StringBuffer(ORIGIN).replace(1, 4, ""), "A"); |
| check(new StringBuffer(ORIGIN).reverse(), "\uFF21\uD801\uDC00A"); |
| checkSetLength(new StringBuffer(ORIGIN), 1, "A"); |
| check(new StringBuffer(ORIGIN).substring(0, 1), "A"); |
| } |
| |
| /* |
| * Tests for "\uD801\uDC00\uFF21A" |
| */ |
| @Test |
| public void testCompactStringForSupplementaryCodePointMixed2() { |
| final String ORIGIN = "\uD801\uDC00\uFF21A"; |
| assertEquals(new StringBuffer(ORIGIN).codePointBefore(3), |
| Character.codePointAt(ORIGIN, 2)); |
| assertEquals(new StringBuffer(ORIGIN).codePointBefore(2), |
| Character.codePointAt(ORIGIN, 0)); |
| assertEquals(new StringBuffer(ORIGIN).codePointBefore(1), '\uD801'); |
| assertEquals(new StringBuffer(ORIGIN).codePointCount(0, 3), 2); |
| assertEquals(new StringBuffer(ORIGIN).codePointCount(0, 4), 3); |
| check(new StringBuffer(ORIGIN).delete(0, 2), "\uFF21A"); |
| check(new StringBuffer(ORIGIN).delete(0, 3), "A"); |
| check(new StringBuffer(ORIGIN).deleteCharAt(0).deleteCharAt(0) |
| .deleteCharAt(0), "A"); |
| assertEquals(new StringBuffer(ORIGIN).indexOf("A"), 3); |
| assertEquals(new StringBuffer(ORIGIN).delete(0, 3).indexOf("A"), 0); |
| assertEquals(new StringBuffer(ORIGIN).replace(0, 3, "B").indexOf("A"), |
| 1); |
| assertEquals(new StringBuffer(ORIGIN).substring(3, 4).indexOf("A"), 0); |
| assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(1, 1), 2); |
| assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(0, 1), 2); |
| assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(2, 1), 3); |
| check(new StringBuffer(ORIGIN).replace(0, 3, "B"), "BA"); |
| check(new StringBuffer(ORIGIN).reverse(), "A\uFF21\uD801\uDC00"); |
| } |
| |
| /* |
| * Tests for "\uD801A\uDC00\uFF21" |
| */ |
| @Test |
| public void testCompactStringForSupplementaryCodePointMixed3() { |
| final String ORIGIN = "\uD801A\uDC00\uFF21"; |
| assertEquals(new StringBuffer(ORIGIN).codePointAt(1), 'A'); |
| assertEquals(new StringBuffer(ORIGIN).codePointAt(3), '\uFF21'); |
| assertEquals(new StringBuffer(ORIGIN).codePointBefore(1), '\uD801'); |
| assertEquals(new StringBuffer(ORIGIN).codePointBefore(2), 'A'); |
| assertEquals(new StringBuffer(ORIGIN).codePointBefore(3), '\uDC00'); |
| assertEquals(new StringBuffer(ORIGIN).codePointCount(0, 3), 3); |
| assertEquals(new StringBuffer(ORIGIN).codePointCount(1, 3), 2); |
| assertEquals(new StringBuffer(ORIGIN).delete(0, 1).delete(1, 3) |
| .indexOf("A"), 0); |
| assertEquals( |
| new StringBuffer(ORIGIN).replace(0, 1, "B").replace(2, 4, "C") |
| .indexOf("A"), 1); |
| assertEquals(new StringBuffer(ORIGIN).substring(1, 4).substring(0, 1) |
| .indexOf("A"), 0); |
| assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(0, 1), 1); |
| assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(1, 1), 2); |
| assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(2, 1), 3); |
| check(new StringBuffer(ORIGIN).reverse(), "\uFF21\uDC00A\uD801"); |
| } |
| |
| /* |
| * Tests for "A\uDC01\uFF21\uD801" |
| */ |
| @Test |
| public void testCompactStringForSupplementaryCodePointMixed4() { |
| final String ORIGIN = "A\uDC01\uFF21\uD801"; |
| assertEquals(new StringBuffer(ORIGIN).codePointAt(1), '\uDC01'); |
| assertEquals(new StringBuffer(ORIGIN).codePointAt(3), '\uD801'); |
| assertEquals(new StringBuffer(ORIGIN).codePointBefore(1), 'A'); |
| assertEquals(new StringBuffer(ORIGIN).codePointBefore(2), '\uDC01'); |
| assertEquals(new StringBuffer(ORIGIN).codePointBefore(3), '\uFF21'); |
| assertEquals(new StringBuffer(ORIGIN).codePointCount(0, 3), 3); |
| assertEquals(new StringBuffer(ORIGIN).codePointCount(1, 3), 2); |
| assertEquals(new StringBuffer(ORIGIN).delete(1, 4).indexOf("A"), 0); |
| assertEquals(new StringBuffer(ORIGIN).replace(1, 4, "B").indexOf("A"), |
| 0); |
| assertEquals(new StringBuffer(ORIGIN).substring(0, 1).indexOf("A"), 0); |
| assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(0, 1), 1); |
| assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(1, 1), 2); |
| assertEquals(new StringBuffer(ORIGIN).offsetByCodePoints(2, 1), 3); |
| check(new StringBuffer(ORIGIN).reverse(), "\uD801\uFF21\uDC01A"); |
| } |
| |
| @Test |
| public void testCompactStringMisc() { |
| String ascii = "abcdefgh"; |
| String asciiMixed = "abc" + "\u4e00\u4e01\u4e02" + "fgh"; |
| String bmp = "\u4e00\u4e01\u4e02\u4e03\u4e04\u4e05\u4e06\u4e07\u4e08"; |
| String bmpMixed = "\u4e00\u4e01\u4e02" + "ABC" + "\u4e06\u4e07\u4e08"; |
| |
| check(new StringBuffer().append(ascii).delete(0, 20).toString(), |
| ""); |
| check(new StringBuffer().append(ascii).delete(3, 20).toString(), |
| "abc"); |
| check(new StringBuffer().append(ascii).delete(3, 6).toString(), |
| "abcgh"); |
| check(new StringBuffer().append(ascii).deleteCharAt(0).toString(), |
| "bcdefgh"); |
| check(new StringBuffer().append(ascii).deleteCharAt(3).toString(), |
| "abcefgh"); |
| check(new StringBuffer().append(asciiMixed).delete(3, 6).toString(), |
| "abcfgh"); |
| check(new StringBuffer().append(asciiMixed).deleteCharAt(3).toString(), |
| "abc\u4e01\u4e02fgh"); |
| check(new StringBuffer().append(asciiMixed).deleteCharAt(3) |
| .deleteCharAt(3) |
| .deleteCharAt(3).toString(), |
| "abcfgh"); |
| check(new StringBuffer().append(bmp).delete(0, 20).toString(), |
| ""); |
| check(new StringBuffer().append(bmp).delete(3, 20).toString(), |
| "\u4e00\u4e01\u4e02"); |
| check(new StringBuffer().append(bmp).delete(3, 6).toString(), |
| "\u4e00\u4e01\u4e02\u4e06\u4e07\u4e08"); |
| check(new StringBuffer().append(bmp).deleteCharAt(0).toString(), |
| "\u4e01\u4e02\u4e03\u4e04\u4e05\u4e06\u4e07\u4e08"); |
| check(new StringBuffer().append(bmp).deleteCharAt(3).toString(), |
| "\u4e00\u4e01\u4e02\u4e04\u4e05\u4e06\u4e07\u4e08"); |
| check(new StringBuffer().append(bmpMixed).delete(3, 6).toString(), |
| "\u4e00\u4e01\u4e02\u4e06\u4e07\u4e08"); |
| |
| //////////////////////////////////////////////////////////////////// |
| check(new StringBuffer().append(ascii).replace(3, 6, "AB").toString(), |
| "abcABgh"); |
| check(new StringBuffer().append(asciiMixed).replace(3, 6, "AB").toString(), |
| "abcABfgh"); |
| check(new StringBuffer().append(bmp).replace(3, 6, "AB").toString(), |
| "\u4e00\u4e01\u4e02AB\u4e06\u4e07\u4e08"); |
| |
| check(new StringBuffer().append(bmpMixed).replace(3, 6, "").toString(), |
| "\u4e00\u4e01\u4e02\u4e06\u4e07\u4e08"); |
| |
| check(new StringBuffer().append(ascii).replace(3, 6, "\u4e01\u4e02").toString(), |
| "abc\u4e01\u4e02gh"); |
| |
| //////////////////////////////////////////////////////////////////// |
| check(new StringBuffer().append(ascii).insert(3, "").toString(), |
| "abcdefgh"); |
| check(new StringBuffer().append(ascii).insert(3, "AB").toString(), |
| "abcABdefgh"); |
| check(new StringBuffer().append(ascii).insert(3, "\u4e01\u4e02").toString(), |
| "abc\u4e01\u4e02defgh"); |
| |
| check(new StringBuffer().append(asciiMixed).insert(0, 'A').toString(), |
| "Aabc\u4e00\u4e01\u4e02fgh"); |
| check(new StringBuffer().append(asciiMixed).insert(3, "A").toString(), |
| "abcA\u4e00\u4e01\u4e02fgh"); |
| |
| check(new StringBuffer().append(ascii).insert(3, 1234567).toString(), |
| "abc1234567defgh"); |
| check(new StringBuffer().append(bmp).insert(3, 1234567).toString(), |
| "\u4e00\u4e01\u4e021234567\u4e03\u4e04\u4e05\u4e06\u4e07\u4e08"); |
| |
| //////////////////////////////////////////////////////////////////// |
| check(new StringBuffer().append(ascii).append(1.23456).toString(), |
| "abcdefgh1.23456"); |
| check(new StringBuffer().append(bmp).append(1.23456).toString(), |
| "\u4e00\u4e01\u4e02\u4e03\u4e04\u4e05\u4e06\u4e07\u4e081.23456"); |
| } |
| |
| private void checkGetChars(StringBuffer sb, int srcBegin, int srcEnd, |
| char expected[]) { |
| char[] dst = new char[srcEnd - srcBegin]; |
| sb.getChars(srcBegin, srcEnd, dst, 0); |
| assertTrue(Arrays.equals(dst, expected)); |
| } |
| |
| private void checkSetCharAt(StringBuffer sb, int index, char ch, |
| String expected) { |
| sb.setCharAt(index, ch); |
| check(sb, expected); |
| } |
| |
| private void checkSetLength(StringBuffer sb, int newLength, String expected) { |
| sb.setLength(newLength); |
| check(sb, expected); |
| } |
| |
| private void check(StringBuffer sb, String expected) { |
| check(sb.toString(), expected); |
| } |
| |
| private void check(String str, String expected) { |
| assertTrue(str.equals(expected), String.format( |
| "Get (%s) but expect (%s), ", escapeNonASCIIs(str), |
| escapeNonASCIIs(expected))); |
| } |
| |
| /* |
| * Because right now system default charset in JPRT environment is only |
| * guaranteed to support ASCII characters in log, so we escape them. |
| */ |
| private String escapeNonASCIIs(String str) { |
| StringBuilder sb = new StringBuilder(); |
| for (int i = 0; i < str.length(); i++) { |
| char c = str.charAt(i); |
| if (c > 0x7F) { |
| sb.append("\\u").append(Integer.toHexString((int) c)); |
| } else { |
| sb.append(c); |
| } |
| } |
| return sb.toString(); |
| } |
| } |