jdk-24/test/hotspot/jtreg/gc/g1/TestAllocationFailure.java
Stefan Karlsson 1d1cd32bc3 8321812: Update GC tests to use execute[Limited]TestJava
Reviewed-by: tschatzl, aboldtch
2024-01-05 09:12:24 +00:00

79 lines
3.5 KiB
Java

/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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package gc.g1;
/*
* @test TestAllocationFailure
* @summary Ensure the output for a minor GC with G1 that has allocation failure contains the correct strings.
* @requires vm.gc.G1
* @requires vm.debug
* @library /test/lib
* @modules java.base/jdk.internal.misc
* java.management
* @build jdk.test.whitebox.WhiteBox
* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
* gc.g1.TestAllocationFailure
*/
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
public class TestAllocationFailure {
public static void main(String[] args) throws Exception {
OutputAnalyzer output = ProcessTools.executeLimitedTestJava("-XX:+UseG1GC",
"-Xmx32M",
"-Xmn16M",
"-XX:+G1GCAllocationFailureALot",
"-XX:G1GCAllocationFailureALotCount=100",
"-XX:G1GCAllocationFailureALotInterval=1",
"-XX:+UnlockDiagnosticVMOptions",
"-Xlog:gc",
GCTestWithAllocationFailure.class.getName());
System.out.println(output.getStdout());
output.shouldContain("(Evacuation Failure:");
output.shouldHaveExitValue(0);
}
static class GCTestWithAllocationFailure {
private static byte[] garbage;
private static byte[] largeObject;
private static Object[] holder = new Object[200]; // Must be larger than G1GCAllocationFailureALotCount
public static void main(String [] args) {
largeObject = new byte[16 * 1024 * 1024];
System.out.println("Creating garbage");
// Create 16 MB of garbage. This should result in at least one GC,
// (Heap size is 32M, we use 17MB for the large object above)
// which is larger than G1GCAllocationFailureALotInterval.
for (int i = 0; i < 16 * 1024; i++) {
holder[i % holder.length] = new byte[1024];
}
System.out.println("Done");
}
}
}