private static void testGCId(String gcFlag, String logFlag) throws Exception {
// GCID logging enabled
ProcessBuilder pb_enabled =
ProcessTools.createJavaProcessBuilder(
"-XX:+" + gcFlag,
"-XX:+" + logFlag,
"-Xmx10M",
"-XX:+PrintGCID",
GCTest.class.getName());
verifyContainsGCIDs(new OutputAnalyzer(pb_enabled.start()));
// GCID logging disabled
ProcessBuilder pb_disabled =
ProcessTools.createJavaProcessBuilder(
"-XX:+" + gcFlag,
"-XX:+" + logFlag,
"-Xmx10M",
"-XX:-PrintGCID",
GCTest.class.getName());
verifyContainsNoGCIDs(new OutputAnalyzer(pb_disabled.start()));
// GCID logging default
ProcessBuilder pb_default =
ProcessTools.createJavaProcessBuilder(
"-XX:+" + gcFlag, "-XX:+" + logFlag, "-Xmx10M", GCTest.class.getName());
verifyContainsNoGCIDs(new OutputAnalyzer(pb_default.start()));
}
public static void main(String args[]) throws Exception {
ProcessBuilder pb =
ProcessTools.createJavaProcessBuilder(
"-showversion",
"-XX:+UseParallelGC",
"-XX:+UseAdaptiveGCBoundary",
"-XX:+PrintCommandLineFlags",
SystemGCCaller.class.getName());
OutputAnalyzer output = new OutputAnalyzer(pb.start());
output.shouldContain("+UseAdaptiveGCBoundary");
output.shouldNotContain("error");
output.shouldHaveExitValue(0);
}
