--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/StringBuilder/BuilderForwarding.java Mon Oct 29 16:51:59 2012 -0700
@@ -0,0 +1,269 @@
+/*
+ * Copyright (c) 2012, 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. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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 StringBuilder
+ * @author Jim Gish <jim.gish@oracle.com>
+ */
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class BuilderForwarding {
+ private final static String A_STRING_BUFFER_VAL = "aStringBuffer";
+ private final static String A_STRING_BUILDER_VAL = "aStringBuilder";
+ private final static String A_STRING_VAL = "aString";
+ private final static String NON_EMPTY_VAL = "NonEmpty";
+
+ public BuilderForwarding() {
+ System.out.println( "Starting BuilderForwarding");
+ }
+
+ public static void main(String... args) {
+ new BuilderForwarding().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 );
+ }
+
+
+ public void indexOfString() {
+ StringBuilder sb = new StringBuilder();
+ // 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);
+ }
+ sb = new StringBuilder("xyz");
+ assertEquals( sb.indexOf("y"), 1 );
+ assertEquals( sb.indexOf("not found"), -1 );
+ }
+
+
+ public void indexOfStringint() {
+ StringBuilder sb = new StringBuilder();
+ // 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");
+ }
+ sb = new StringBuilder("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() {
+ StringBuilder sb = new StringBuilder();
+
+ // 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;
+ StringBuilder sb = new StringBuilder("012345");
+ assertEquals( sb.insert( 2, b).toString(), "01true2345");
+ }
+
+
+ public void insertintchar() {
+ char c = 'C';
+ StringBuilder sb = new StringBuilder("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 StringBuilder(initString).insert(2, aString).toString(), "01"+A_STRING_VAL+"2345" );
+
+ assertEquals( new StringBuilder(initString).insert(2, aStringBuilder).toString(), "01"+A_STRING_BUILDER_VAL+"2345" );
+
+ assertEquals( new StringBuilder(initString).insert(2, aStringBuffer).toString(), "01"+A_STRING_BUFFER_VAL+"2345" );
+
+ try {
+ new StringBuilder(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;
+ StringBuilder sb = new StringBuilder("012345");
+ assertEquals( sb.insert( 2, d ).toString(), "0199.02345"); }
+
+
+ public void insertintfloat() {
+ float f = 99.0f;
+ StringBuilder sb = new StringBuilder("012345");
+ assertEquals( sb.insert( 2, f ).toString(), "0199.02345"); }
+
+
+ public void insertintint() {
+ int i = 99;
+ StringBuilder sb = new StringBuilder("012345");
+ assertEquals( sb.insert( 2, i ).toString(), "01992345");
+ }
+
+
+ public void insertintlong() {
+ long l = 99;
+ StringBuilder sb = new StringBuilder("012345");
+ assertEquals( sb.insert( 2, l ).toString(), "01992345"); }
+
+
+ public void insertintObject() {
+ StringBuilder sb = new StringBuilder("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";
+ StringBuilder sb = new StringBuilder(xyz3);
+ int pos = sb.lastIndexOf("xyz");
+ assertEquals( pos, 2*xyz.length() );
+ }
+
+
+ public void lastIndexOfStringint() {
+ StringBuilder sb = new StringBuilder("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 + "'");
+ }
+ }
+}
+