jdk
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23
24/*
25* @test ConfigFileParsing
26* @bug 7158804
27* @summary Improve config file parsing
28* @requires vm.flagless
29* @library /test/lib
30* @modules java.base/jdk.internal.misc
31* java.management
32* @run driver ConfigFileParsing
33*/
34
35import java.io.PrintWriter;36import jdk.test.lib.process.ProcessTools;37import jdk.test.lib.process.OutputAnalyzer;38
39public class ConfigFileParsing {40public static void main(String[] args) throws Exception {41String testFileName = ".hotspotrc";42
43// Create really long invalid option44String reallyLongInvalidOption = "";45for (int i=0; i<5000; i++)46reallyLongInvalidOption+='a';47
48// Populate the options file with really long string49PrintWriter pw = new PrintWriter(testFileName);50pw.println("-XX:+" + reallyLongInvalidOption);51pw.close();52
53// start VM54ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(55"-XX:+IgnoreUnrecognizedVMOptions", "-XX:Flags=.hotspotrc", "-version");56
57OutputAnalyzer output = new OutputAnalyzer(pb.start());58output.shouldHaveExitValue(0);59}60}
61