| /* |
| * Copyright (c) 2002, 2018, 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 |
| * @comment converted from test/jdk/com/sun/jdi/StringConvertTest.sh |
| * |
| * @library /test/lib |
| * @compile -g StringConvertTest.java |
| * @run main/othervm StringConvertTest |
| */ |
| |
| import jdk.test.lib.process.OutputAnalyzer; |
| import lib.jdb.JdbCommand; |
| import lib.jdb.JdbTest; |
| |
| class StringConvertTarg { |
| 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; |
| StringConvertTarg(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"); |
| StringConvertTarg loc1 = new StringConvertTarg("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; |
| } |
| } |
| } |
| |
| public class StringConvertTest extends JdbTest { |
| public static void main(String argv[]) { |
| new StringConvertTest().run(); |
| } |
| |
| private StringConvertTest() { |
| super(DEBUGGEE_CLASS, SOURCE_FILE); |
| } |
| |
| private static final String DEBUGGEE_CLASS = StringConvertTarg.class.getName(); |
| private static final String SOURCE_FILE = "StringConvertTest.java"; |
| |
| @Override |
| protected void runCases() { |
| setBreakpoints(1); |
| // Run to breakpoint #1 |
| jdb.command(JdbCommand.run()); |
| |
| // Each print without the 'toString()' should print the |
| // same thing as the following print with the toString(). |
| // The "print 1"s are just spacers |
| jdb.command(JdbCommand.print("StringConvertTarg.x1")); |
| jdb.command(JdbCommand.print("StringConvertTarg.x1.toString()")); |
| jdb.command(JdbCommand.print("1")); |
| |
| jdb.command(JdbCommand.print("StringConvertTarg.x2")); |
| jdb.command(JdbCommand.print("StringConvertTarg.x2.toString()")); |
| jdb.command(JdbCommand.print("1")); |
| |
| // arrays is a special case. |
| // StringConvertTarg prints: |
| // x3.toString = [LStringConvertTarg$JJ2;@61443d8f |
| // jdb "print ((Object)StringConvertTarg.x3).toString()" prints: |
| // com.sun.tools.example.debug.expr.ParseException: |
| // No instance field or method with the name toString in StringConvertTarg$JJ2[] |
| // ((Object)StringConvertTarg.x3).toString() = null |
| // jdb "print (Object)(StringConvertTarg.x3)" prints: |
| // (Object)(StringConvertTarg.x3) = instance of StringConvertTarg$JJ2[2] (id=624) |
| /* |
| jdb.command(JdbCommand.print("(Object)(StringConvertTarg.x3)")); |
| jdb.command(JdbCommand.print("((Object)StringConvertTarg.x3).toString()")); |
| jdb.command(JdbCommand.print("1")); |
| */ |
| |
| jdb.command(JdbCommand.print("StringConvertTarg.x4")); |
| jdb.command(JdbCommand.print("StringConvertTarg.x4.toString()")); |
| jdb.command(JdbCommand.print("1")); |
| |
| // Make sure jdb doesn't call a method multiple times. |
| jdb.command(JdbCommand.print("StringConvertTarg.growit(\"xyz\")")); |
| jdb.command(JdbCommand.eval("StringConvertTarg.sbGrower.append(\"xyz\")")); |
| jdb.command(JdbCommand.print("1")); |
| |
| jdb.command(JdbCommand.eval("sbTim.toString()")); |
| jdb.command(JdbCommand.print("1")); |
| |
| jdb.command(JdbCommand.print("this")); |
| jdb.command(JdbCommand.print("this.toString()")); |
| jdb.command(JdbCommand.print("1")); |
| |
| // A possible bug is that this ends up with multiple "s |
| jdb.command(JdbCommand.print("\"--\"StringConvertTarg.x1")); |
| jdb.command(JdbCommand.print("1")); |
| |
| // This too |
| jdb.command(JdbCommand.print("StringConvertTarg.x4 + 2")); |
| jdb.command(JdbCommand.print("1")); |
| |
| jdb.command(JdbCommand.print("this.ivar")); |
| jdb.command(JdbCommand.print("gusLoc")); |
| jdb.command(JdbCommand.print("1")); |
| |
| new OutputAnalyzer(jdb.getJdbOutput()) |
| .shouldNotContain("\"\"") |
| .shouldNotContain("instance of") |
| .shouldNotContain("xyzxyz"); |
| } |
| } |