# HG changeset patch # User sherman # Date 1323111014 28800 # Node ID fb2447d0a09ce2aeec264570dab0517996f2549a # Parent 9ff7640994bf69497624448044b8de6897c4472d 5063455: (fmt) MissingFormatArgumentException.getFormatSpecifier() incorrect return value Summary: updated the incorrect StringBuilder constructor usage Reviewed-by: dholmes, sherman Contributed-by: brandon.passanisi@oracle.com diff -r 9ff7640994bf -r fb2447d0a09c jdk/src/share/classes/java/util/Formatter.java --- a/jdk/src/share/classes/java/util/Formatter.java Mon Dec 05 13:58:44 2011 +0000 +++ b/jdk/src/share/classes/java/util/Formatter.java Mon Dec 05 10:50:14 2011 -0800 @@ -2879,7 +2879,7 @@ } public String toString() { - StringBuilder sb = new StringBuilder('%'); + StringBuilder sb = new StringBuilder("%"); // Flags.UPPERCASE is set internally for legal conversions. Flags dupf = f.dup().remove(Flags.UPPERCASE); sb.append(dupf.toString()); diff -r 9ff7640994bf -r fb2447d0a09c jdk/test/java/util/MissingFormatArgumentException/GetFormatSpecifier.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jdk/test/java/util/MissingFormatArgumentException/GetFormatSpecifier.java Mon Dec 05 10:50:14 2011 -0800 @@ -0,0 +1,56 @@ +/* + * Copyright (c) 2011, 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 5063455 + * @summary Unit test for MissingFormatArgumentException.getFormatSpecifier + * @author Brandon Passanisi + */ +import java.util.MissingFormatArgumentException; + +public class GetFormatSpecifier { + + static void fail(String s) { + throw new RuntimeException(s); + } + + public static void main(String[] args) { + + // Use the format specifier below, which should throw a + // MissingFormatArgumentException. Then, use getFormatSpecifier() + // to make sure the returned value equals the original format string. + final String formatSpecifier = "%1$5.3s"; + try { + String formatResult = String.format(formatSpecifier); + fail("MissingFormatArgumentException not thrown."); + } catch (MissingFormatArgumentException ex) { + final String returnedFormatSpecifier = ex.getFormatSpecifier(); + if (!returnedFormatSpecifier.equals(formatSpecifier)) { + fail("The specified format specifier: " + formatSpecifier + + " does not match the value from getFormatSpecifier(): " + + returnedFormatSpecifier); + } + } + } +}