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/* @test TestWrongBarrierEnable
* @summary Test that disabling wrong barriers fails early
* @key gc
* @requires vm.gc.Shenandoah & !vm.graal.enabled
* @library /test/lib
* @run main/othervm TestWrongBarrierEnable
*/
import java.util.*;
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.process.OutputAnalyzer;
public class TestWrongBarrierEnable {
public static void main(String[] args) throws Exception {
String[] concurrent = {
"ShenandoahIUBarrier",
};
String[] iu = {
"ShenandoahSATBBarrier",
};
shouldFailAll("-XX:ShenandoahGCHeuristics=adaptive", concurrent);
shouldFailAll("-XX:ShenandoahGCHeuristics=static", concurrent);
shouldFailAll("-XX:ShenandoahGCHeuristics=compact", concurrent);
shouldFailAll("-XX:ShenandoahGCHeuristics=aggressive", concurrent);
shouldFailAll("-XX:ShenandoahGCMode=iu", iu);
shouldPassAll("-XX:ShenandoahGCMode=passive", concurrent);
shouldPassAll("-XX:ShenandoahGCMode=passive", iu);
}
private static void shouldFailAll(String h, String[] barriers) throws Exception {
for (String b : barriers) {
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
"-Xmx128m",
"-XX:+UnlockDiagnosticVMOptions",
"-XX:+UnlockExperimentalVMOptions",
"-XX:+UseShenandoahGC",
h,
"-XX:+" + b,
"-version"
);
OutputAnalyzer output = new OutputAnalyzer(pb.start());
output.shouldNotHaveExitValue(0);
output.shouldContain("GC mode needs ");
output.shouldContain("to work correctly");
}
}
private static void shouldPassAll(String h, String[] barriers) throws Exception {
for (String b : barriers) {
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
"-Xmx128m",
"-XX:+UnlockDiagnosticVMOptions",
"-XX:+UnlockExperimentalVMOptions",
"-XX:+UseShenandoahGC",
h,
"-XX:+" + b,
"-version"
);
OutputAnalyzer output = new OutputAnalyzer(pb.start());
output.shouldHaveExitValue(0);
}
}
}