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/*
* Copyright (c) 2012, 2013, 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.
*/
/**
* @test
* @bug 6206780
* @summary Test forwarding of methods to super in StringBuffer
* @author Jim Gish <jim.gish@oracle.com>
*/
import java.util.ArrayList;
import java.util.List;
public class BufferForwarding {
private static final String A_STRING_BUFFER_VAL = "aStringBuffer";
private static final String A_STRING_BUILDER_VAL = "aStringBuilder";
private static final String A_STRING_VAL = "aString";
private static final String NON_EMPTY_VAL = "NonEmpty";
public BufferForwarding() {
System.out.println( "Starting BufferForwarding");
}
public static void main(String... args) {
new BufferForwarding().executeTestMethods();
}
public void executeTestMethods() {
appendCharSequence();
indexOfString();
indexOfStringIntNull();
indexOfStringNull();
indexOfStringint();
insertintCharSequence();
insertintObject();
insertintboolean();
insertintchar();
insertintdouble();
insertintfloat();
insertintint();
insertintlong();
lastIndexOfString();
lastIndexOfStringint();
}
public void appendCharSequence() {
// three different flavors of CharSequence
CharSequence aString = A_STRING_VAL;
CharSequence aStringBuilder = new StringBuilder(A_STRING_BUILDER_VAL);
CharSequence aStringBuffer = new StringBuffer(A_STRING_BUFFER_VAL);
assertEquals( /*actual*/ new StringBuilder().append(aString).toString(), /*expected*/ A_STRING_VAL );
assertEquals( new StringBuilder().append(aStringBuilder).toString(), A_STRING_BUILDER_VAL );
assertEquals( new StringBuilder().append(aStringBuffer).toString(), A_STRING_BUFFER_VAL );
assertEquals( /*actual*/ new StringBuilder(NON_EMPTY_VAL).append(aString).toString(), NON_EMPTY_VAL+A_STRING_VAL );
assertEquals( new StringBuilder(NON_EMPTY_VAL).append(aStringBuilder).toString(), NON_EMPTY_VAL+A_STRING_BUILDER_VAL );
assertEquals( new StringBuilder(NON_EMPTY_VAL).append(aStringBuffer).toString(), NON_EMPTY_VAL+A_STRING_BUFFER_VAL );
}
void indexOfString() {
StringBuffer sb = new StringBuffer("xyz");
assertEquals( sb.indexOf("y"), 1 );
assertEquals( sb.indexOf("not found"), -1 );
}
public void indexOfStringint() {
StringBuffer sb = new StringBuffer("xyyz");
assertEquals( sb.indexOf("y",0), 1 );
assertEquals( sb.indexOf("y",1), 1 );
assertEquals( sb.indexOf("y",2), 2 );
assertEquals( sb.indexOf("not found"), -1 );
}
public void indexOfStringIntNull() {
StringBuffer sb = new StringBuffer();
// should be NPE if null passed
try {
sb.indexOf(null,1);
throw new RuntimeException("Test failed: should have thrown NPE");
} catch (NullPointerException npe) {
// expected: passed
} catch (Throwable t) {
throw new RuntimeException("Test failed: should have thrown NPE. Instead threw "
+ t);
}
}
public void indexOfStringNull() {
StringBuffer sb = new StringBuffer();
// should be NPE if null passed
try {
sb.indexOf(null);
throw new RuntimeException("Test failed: should have thrown NPE");
} catch (NullPointerException npe) {
// expected: passed
} catch (Throwable t) {
throw new RuntimeException("Test failed: should have thrown NPE. Instead threw "
+ t);
}
}
public void insertintboolean() {
boolean b = true;
StringBuffer sb = new StringBuffer("012345");
assertEquals( sb.insert( 2, b).toString(), "01true2345");
}
public void insertintchar() {
char c = 'C';
StringBuffer sb = new StringBuffer("012345");
assertEquals( sb.insert( 2, c ).toString(), "01C2345");
}
public void insertintCharSequence() {
final String initString = "012345";
// three different flavors of CharSequence
CharSequence aString = A_STRING_VAL;
CharSequence aStringBuilder = new StringBuilder(A_STRING_BUILDER_VAL);
CharSequence aStringBuffer = new StringBuffer(A_STRING_BUFFER_VAL);
assertEquals( new StringBuffer(initString).insert(2, aString).toString(), "01"+A_STRING_VAL+"2345" );
assertEquals( new StringBuffer(initString).insert(2, aStringBuilder).toString(), "01"+A_STRING_BUILDER_VAL+"2345" );
assertEquals( new StringBuffer(initString).insert(2, aStringBuffer).toString(), "01"+A_STRING_BUFFER_VAL+"2345" );
try {
new StringBuffer(initString).insert(7, aString);
throw new RuntimeException("Test failed: should have thrown IndexOutOfBoundsException");
} catch (IndexOutOfBoundsException soob) {
// expected: passed
} catch (Throwable t) {
throw new RuntimeException("Test failed: should have thrown IndexOutOfBoundsException, but instead threw " + t.getMessage());
}
}
public void insertintdouble() {
double d = 99d;
StringBuffer sb = new StringBuffer("012345");
assertEquals( sb.insert( 2, d ).toString(), "0199.02345"); }
public void insertintfloat() {
float f = 99.0f;
StringBuffer sb = new StringBuffer("012345");
assertEquals( sb.insert( 2, f ).toString(), "0199.02345"); }
public void insertintint() {
int i = 99;
StringBuffer sb = new StringBuffer("012345");
assertEquals( sb.insert( 2, i ).toString(), "01992345");
}
public void insertintlong() {
long l = 99;
StringBuffer sb = new StringBuffer("012345");
assertEquals( sb.insert( 2, l ).toString(), "01992345"); }
public void insertintObject() {
StringBuffer sb = new StringBuffer("012345");
List<String> ls = new ArrayList<String>();
ls.add("A"); ls.add("B");
String lsString = ls.toString();
assertEquals( sb.insert(2, ls).toString(), "01"+lsString+"2345");
try {
sb.insert(sb.length()+1, ls);
throw new RuntimeException("Test failed: should have thrown StringIndexOutOfBoundsException");
} catch (StringIndexOutOfBoundsException soob) {
// expected: passed
} catch (Throwable t) {
throw new RuntimeException("Test failed: should have thrown StringIndexOutOfBoundsException, but instead threw:"
+ t);
}
}
public void lastIndexOfString() {
String xyz = "xyz";
String xyz3 = "xyzxyzxyz";
StringBuffer sb = new StringBuffer(xyz3);
int pos = sb.lastIndexOf("xyz");
assertEquals( pos, 2*xyz.length() );
}
public void lastIndexOfStringint() {
StringBuffer sb = new StringBuffer("xyzxyzxyz");
int pos = sb.lastIndexOf("xyz",5);
assertEquals( pos, 3 );
pos = sb.lastIndexOf("xyz", 6);
assertEquals( pos, 6 );
}
public void assertEquals( String actual, String expected) {
if (!actual.equals( expected )) {
throw new RuntimeException( "Test failed: actual = '" + actual +
"', expected = '" + expected + "'");
}
}
public void assertEquals( int actual, int expected) {
if (actual != expected) {
throw new RuntimeException( "Test failed: actual = '" + actual +
"', expected = '" + expected + "'");
}
}
}
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