1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
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  23 
  24 /*
  25  * @test TestMultipleXlogArgs
  26  * @summary Ensure multiple -Xlog arguments aggregate the logging options.
  27  * @modules java.base/jdk.internal.misc
  28  * @library /test/lib
  29  */
  30 
  31 import jdk.test.lib.process.ProcessTools;
  32 import jdk.test.lib.process.OutputAnalyzer;
  33 
  34 public class TestMultipleXlogArgs {
  35 
  36     public static void main(String[] args) throws Exception {
  37         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xlog:logging=debug",
  38                                                                   "-Xlog:logging=trace",
  39                                                                   "-Xlog:defaultmethods=trace",
  40                                                                   "-Xlog:defaultmethods=off",
  41                                                                   "-Xlog:safepoint=info",
  42                                                                   "-Xlog:safepoint=info",
  43                                                                   "-version");
  44         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  45         // -Xlog:logging=trace means that the log configuration will be printed.
  46         String stdoutConfigLine = "\\[logging *\\] #0: stdout .*";
  47         // Ensure logging=trace has overwritten logging=debug
  48         output.shouldMatch(stdoutConfigLine + "logging=trace").shouldNotMatch(stdoutConfigLine + "logging=debug");
  49         // Make sure safepoint=info is printed exactly once even though we're setting it twice
  50         output.shouldMatch(stdoutConfigLine + "safepoint=info").shouldNotMatch(stdoutConfigLine + "safepoint=info.*safepoint=info");
  51         // Shouldn't see defaultmethods at all, because disabled tags are not listed
  52         output.shouldNotMatch(stdoutConfigLine + "defaultmethods");
  53         output.shouldHaveExitValue(0);
  54     }
  55 }
  56