undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
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test/jdk/java/lang/StringBuffer/BufferForwarding.java
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test/jdk/java/lang/StringBuffer/BufferForwarding.java
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/*
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* Copyright (c) 2012, 2013, 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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/**
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* @test
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* @bug 6206780
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* @summary Test forwarding of methods to super in StringBuffer
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* @author Jim Gish <jim.gish@oracle.com>
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*/
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import java.util.ArrayList;
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import java.util.List;
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public class BufferForwarding {
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private static final String A_STRING_BUFFER_VAL = "aStringBuffer";
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private static final String A_STRING_BUILDER_VAL = "aStringBuilder";
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private static final String A_STRING_VAL = "aString";
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private static final String NON_EMPTY_VAL = "NonEmpty";
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public BufferForwarding() {
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System.out.println( "Starting BufferForwarding");
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}
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public static void main(String... args) {
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new BufferForwarding().executeTestMethods();
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}
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public void executeTestMethods() {
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appendCharSequence();
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indexOfString();
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indexOfStringIntNull();
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indexOfStringNull();
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indexOfStringint();
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insertintCharSequence();
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insertintObject();
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insertintboolean();
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insertintchar();
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insertintdouble();
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insertintfloat();
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insertintint();
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insertintlong();
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lastIndexOfString();
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lastIndexOfStringint();
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}
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public void appendCharSequence() {
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// three different flavors of CharSequence
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CharSequence aString = A_STRING_VAL;
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CharSequence aStringBuilder = new StringBuilder(A_STRING_BUILDER_VAL);
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CharSequence aStringBuffer = new StringBuffer(A_STRING_BUFFER_VAL);
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assertEquals( /*actual*/ new StringBuilder().append(aString).toString(), /*expected*/ A_STRING_VAL );
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assertEquals( new StringBuilder().append(aStringBuilder).toString(), A_STRING_BUILDER_VAL );
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assertEquals( new StringBuilder().append(aStringBuffer).toString(), A_STRING_BUFFER_VAL );
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assertEquals( /*actual*/ new StringBuilder(NON_EMPTY_VAL).append(aString).toString(), NON_EMPTY_VAL+A_STRING_VAL );
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assertEquals( new StringBuilder(NON_EMPTY_VAL).append(aStringBuilder).toString(), NON_EMPTY_VAL+A_STRING_BUILDER_VAL );
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assertEquals( new StringBuilder(NON_EMPTY_VAL).append(aStringBuffer).toString(), NON_EMPTY_VAL+A_STRING_BUFFER_VAL );
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}
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void indexOfString() {
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StringBuffer sb = new StringBuffer("xyz");
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assertEquals( sb.indexOf("y"), 1 );
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assertEquals( sb.indexOf("not found"), -1 );
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}
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public void indexOfStringint() {
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StringBuffer sb = new StringBuffer("xyyz");
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assertEquals( sb.indexOf("y",0), 1 );
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assertEquals( sb.indexOf("y",1), 1 );
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assertEquals( sb.indexOf("y",2), 2 );
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assertEquals( sb.indexOf("not found"), -1 );
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}
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public void indexOfStringIntNull() {
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StringBuffer sb = new StringBuffer();
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// should be NPE if null passed
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try {
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sb.indexOf(null,1);
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throw new RuntimeException("Test failed: should have thrown NPE");
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} catch (NullPointerException npe) {
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// expected: passed
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} catch (Throwable t) {
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throw new RuntimeException("Test failed: should have thrown NPE. Instead threw "
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+ t);
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}
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}
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public void indexOfStringNull() {
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StringBuffer sb = new StringBuffer();
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// should be NPE if null passed
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try {
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sb.indexOf(null);
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throw new RuntimeException("Test failed: should have thrown NPE");
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} catch (NullPointerException npe) {
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// expected: passed
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} catch (Throwable t) {
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throw new RuntimeException("Test failed: should have thrown NPE. Instead threw "
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+ t);
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}
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}
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public void insertintboolean() {
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boolean b = true;
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StringBuffer sb = new StringBuffer("012345");
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assertEquals( sb.insert( 2, b).toString(), "01true2345");
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}
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public void insertintchar() {
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char c = 'C';
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StringBuffer sb = new StringBuffer("012345");
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assertEquals( sb.insert( 2, c ).toString(), "01C2345");
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}
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public void insertintCharSequence() {
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final String initString = "012345";
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// three different flavors of CharSequence
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CharSequence aString = A_STRING_VAL;
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CharSequence aStringBuilder = new StringBuilder(A_STRING_BUILDER_VAL);
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CharSequence aStringBuffer = new StringBuffer(A_STRING_BUFFER_VAL);
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assertEquals( new StringBuffer(initString).insert(2, aString).toString(), "01"+A_STRING_VAL+"2345" );
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assertEquals( new StringBuffer(initString).insert(2, aStringBuilder).toString(), "01"+A_STRING_BUILDER_VAL+"2345" );
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assertEquals( new StringBuffer(initString).insert(2, aStringBuffer).toString(), "01"+A_STRING_BUFFER_VAL+"2345" );
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try {
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new StringBuffer(initString).insert(7, aString);
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throw new RuntimeException("Test failed: should have thrown IndexOutOfBoundsException");
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} catch (IndexOutOfBoundsException soob) {
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// expected: passed
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} catch (Throwable t) {
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throw new RuntimeException("Test failed: should have thrown IndexOutOfBoundsException, but instead threw " + t.getMessage());
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}
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}
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public void insertintdouble() {
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double d = 99d;
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StringBuffer sb = new StringBuffer("012345");
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assertEquals( sb.insert( 2, d ).toString(), "0199.02345"); }
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public void insertintfloat() {
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float f = 99.0f;
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StringBuffer sb = new StringBuffer("012345");
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assertEquals( sb.insert( 2, f ).toString(), "0199.02345"); }
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public void insertintint() {
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int i = 99;
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StringBuffer sb = new StringBuffer("012345");
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assertEquals( sb.insert( 2, i ).toString(), "01992345");
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}
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public void insertintlong() {
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long l = 99;
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StringBuffer sb = new StringBuffer("012345");
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assertEquals( sb.insert( 2, l ).toString(), "01992345"); }
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public void insertintObject() {
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StringBuffer sb = new StringBuffer("012345");
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List<String> ls = new ArrayList<String>();
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ls.add("A"); ls.add("B");
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String lsString = ls.toString();
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assertEquals( sb.insert(2, ls).toString(), "01"+lsString+"2345");
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try {
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sb.insert(sb.length()+1, ls);
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throw new RuntimeException("Test failed: should have thrown StringIndexOutOfBoundsException");
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} catch (StringIndexOutOfBoundsException soob) {
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// expected: passed
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} catch (Throwable t) {
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throw new RuntimeException("Test failed: should have thrown StringIndexOutOfBoundsException, but instead threw:"
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+ t);
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}
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}
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public void lastIndexOfString() {
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String xyz = "xyz";
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String xyz3 = "xyzxyzxyz";
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StringBuffer sb = new StringBuffer(xyz3);
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int pos = sb.lastIndexOf("xyz");
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assertEquals( pos, 2*xyz.length() );
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}
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public void lastIndexOfStringint() {
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StringBuffer sb = new StringBuffer("xyzxyzxyz");
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int pos = sb.lastIndexOf("xyz",5);
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assertEquals( pos, 3 );
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pos = sb.lastIndexOf("xyz", 6);
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assertEquals( pos, 6 );
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}
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public void assertEquals( String actual, String expected) {
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if (!actual.equals( expected )) {
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throw new RuntimeException( "Test failed: actual = '" + actual +
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"', expected = '" + expected + "'");
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}
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}
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public void assertEquals( int actual, int expected) {
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if (actual != expected) {
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throw new RuntimeException( "Test failed: actual = '" + actual +
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"', expected = '" + expected + "'");
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}
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}
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}
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