20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test TestPrintReferences
26 * @bug 8136991
27 * @summary Validate the reference processing logging
28 * @key gc
29 * @library /testlibrary
30 * @modules java.base/sun.misc
31 * java.management
32 */
33
34 import jdk.test.lib.ProcessTools;
35 import jdk.test.lib.OutputAnalyzer;
36
37 public class TestPrintReferences {
38 public static void main(String[] args) throws Exception {
39 ProcessBuilder pb_enabled =
40 ProcessTools.createJavaProcessBuilder("-XX:+PrintGCDetails", "-XX:+PrintReferenceGC", "-Xmx10M", GCTest.class.getName());
41 OutputAnalyzer output = new OutputAnalyzer(pb_enabled.start());
42
43 String countRegex = "[0-9]+ refs";
44 String timeRegex = "[0-9]+[.,][0-9]+ secs";
45
46 output.shouldMatch(
47 "#[0-9]+: \\[SoftReference, " + countRegex + ", " + timeRegex + "\\]" +
48 "#[0-9]+: \\[WeakReference, " + countRegex + ", " + timeRegex + "\\]" +
49 "#[0-9]+: \\[FinalReference, " + countRegex + ", " + timeRegex + "\\]" +
50 "#[0-9]+: \\[PhantomReference, " + countRegex + ", " + timeRegex + "\\]" +
51 "#[0-9]+: \\[JNI Weak Reference, (" + countRegex + ", )?" + timeRegex + "\\]");
52
53 output.shouldHaveExitValue(0);
54 }
55
56 static class GCTest {
57 public static void main(String [] args) {
58 System.gc();
59 }
60 }
61 }
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20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test TestPrintReferences
26 * @bug 8136991
27 * @summary Validate the reference processing logging
28 * @key gc
29 * @library /testlibrary
30 * @modules java.base/sun.misc
31 * java.management
32 */
33
34 import jdk.test.lib.ProcessTools;
35 import jdk.test.lib.OutputAnalyzer;
36
37 public class TestPrintReferences {
38 public static void main(String[] args) throws Exception {
39 ProcessBuilder pb_enabled =
40 ProcessTools.createJavaProcessBuilder("-Xlog:gc+ref=debug", "-Xmx10M", GCTest.class.getName());
41 OutputAnalyzer output = new OutputAnalyzer(pb_enabled.start());
42
43 String countRegex = "[0-9]+ refs";
44 String timeRegex = "\\([0-9]+[.,][0-9]+s, [0-9]+[.,][0-9]+s\\) [0-9]+[.,][0-9]+ms";
45
46 output.shouldMatch(".* GC\\([0-9]+\\) SoftReference " + timeRegex + "\n" +
47 ".* GC\\([0-9]+\\) WeakReference " + timeRegex + "\n" +
48 ".* GC\\([0-9]+\\) FinalReference " + timeRegex + "\n" +
49 ".* GC\\([0-9]+\\) PhantomReference " + timeRegex + "\n" +
50 ".* GC\\([0-9]+\\) JNI Weak Reference " + timeRegex + "\n" +
51 ".* GC\\([0-9]+\\) Ref Counts: Soft: [0-9]+ Weak: [0-9]+ Final: [0-9]+ Phantom: [0-9]+\n");
52
53 output.shouldHaveExitValue(0);
54 }
55
56 static class GCTest {
57 public static void main(String [] args) {
58 System.gc();
59 }
60 }
61 }
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