#!/bin/sh # # Copyright (c) 2002, 2014, 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 4511950 4843082 # @summary 1. jdb's expression evaluation doesn't perform string conversion properly # 2. TTY: run on expression evaluation # @author jim/suvasis mukherjee # # @key intermittent # @run shell StringConvertTest.sh # Run this script to see the bug. See comments at the end # of the .java file for info on what the bug looks like. # These are variables that can be set to control execution #pkg=untitled7 classname=StringConvertTest compileOptions=-g #java=java_g #mode=-Xcomp #jdbOptions=-dbgtrace createJavaFile() { cat < $1.java.1 class $classname { String me; static JJ1 x1; static JJ2 x2; static JJ2[] x3 = new JJ2[2]; static String x4 = "abc"; static int ii = 89; static String grower = "grower"; static StringBuffer sbGrower = new StringBuffer("sbGrower"); int ivar = 89; $classname(String xx) { me = xx; } static String fred() { return "a static method"; } void gus() { int gusLoc = 1; StringBuffer sbTim = new StringBuffer("tim"); int kk = 1; //@1 breakpoint } static String growit(String extra) { grower += extra; return grower; } static String sbGrowit(String extra) { sbGrower.append(extra); return sbGrower.toString(); } public static void main(String[] args) { x1 = new JJ1("first JJ1"); x2 = new JJ2("first JJ2"); x3[0] = new JJ2("array0"); x3[1] = new JJ2("array1"); $classname loc1 = new $classname("first me"); // These just show what output should look like System.out.println("x1 = " + x1); System.out.println("x2 = " + x2); System.out.println("x3.toString = " + x3.toString()); System.out.println("x4.toString = " + x4.toString()); // Dont want to call growit since it would change // the value. System.out.println("loc1 = " + loc1); System.out.println("-" + loc1); loc1.gus(); } // This does not have a toString method static class JJ1 { String me; JJ1(String whoAmI) { me = whoAmI; } } // This has a toString method static class JJ2 { String me; JJ2(String whoAmI) { me = whoAmI; } public String toString() { return me; } public int meth1() { return 89; } } } EOF } # This is called to feed cmds to jdb. dojdbCmds() { setBkpts @1 runToBkpt @1 # Each print without the 'toString()' should print the # same thing as the following print with the toString(). # The print 1s are just spacers cmd print $classname.x1 cmd print "$classname.x1.toString()" cmd print 1 cmd print $classname.x2 cmd print "$classname.x2.toString()" cmd print 1 # An unreported bug: this isn't handled correctly. # If we uncomment this line, we will get an 'instance of...' line # which will cause the test to fail. #cmd print "(Object)($classname.x3)" cmd print "((Object)$classname.x3).toString()" cmd print 1 cmd print $classname.x4 cmd print "$classname.x4.toString()" cmd print 1 # Make sure jdb doesn't call a method multiple times. cmd print "$classname.growit(\"xyz\")" cmd eval "$classname.sbGrower.append(\"xyz\")" cmd print 1 cmd eval "sbTim.toString()" cmd print 1 cmd print this cmd print "this.toString()" cmd print 1 # A possible bug is that this ends up with multiple "s cmd print '"--" + '$classname.x1 cmd print 1 # This too cmd print "$classname.x4 + 2" cmd print 1 cmd print "this.ivar" cmd print gusLoc cmd print 1 } mysetup() { if [ -z "$TESTSRC" ] ; then TESTSRC=. fi for ii in . $TESTSRC $TESTSRC/.. ; do if [ -r "$ii/ShellScaffold.sh" ] ; then . $ii/ShellScaffold.sh break fi done } # You could replace this next line with the contents # of ShellScaffold.sh and this script will run just the same. mysetup runit jdbFailIfPresent '""' jdbFailIfPresent 'instance of' jdbFailIfPresent 'xyzxyz' pass