test/hotspot/jtreg/runtime/cds/appcds/TestZGCWithCDS.java

@@ -54,26 +54,31 @@
      public final static String HELLO = "Hello World";
      public final static String UNABLE_TO_USE_ARCHIVE = "Unable to use shared archive.";
      public final static String ERR_MSG = "The saved state of UseCompressedOops and UseCompressedClassPointers is different from runtime, CDS will be disabled.";
      public static void main(String... args) throws Exception {
           String zGenerational = args[0];
+          String compactHeaders = "-XX:" + (zGenerational.equals("-XX:+ZGenerational") ? "+" : "-") + "UseCompactObjectHeaders";
           String helloJar = JarBuilder.build("hello", "Hello");
           System.out.println("0. Dump with ZGC");
           OutputAnalyzer out = TestCommon
                                    .dump(helloJar,
                                          new String[] {"Hello"},
                                          "-XX:+UseZGC",
                                          zGenerational,
+                                         "-XX:+UnlockExperimentalVMOptions",
+                                         compactHeaders,
                                          "-Xlog:cds");
           out.shouldContain("Dumping shared data to file:");
           out.shouldHaveExitValue(0);
  
           System.out.println("1. Run with same args of dump");
           out = TestCommon
                     .exec(helloJar,
                           "-XX:+UseZGC",
                           zGenerational,
+                          "-XX:+UnlockExperimentalVMOptions",
+                          compactHeaders,
                           "-Xlog:cds",
                           "Hello");
           out.shouldContain(HELLO);
           out.shouldHaveExitValue(0);
  

@@ -81,10 +86,12 @@
           out = TestCommon
                     .exec(helloJar,
                           "-XX:-UseZGC",
                           "-XX:+UseCompressedOops",           // in case turned off by vmoptions
                           "-XX:+UseCompressedClassPointers",  // by jtreg
+                          "-XX:+UnlockExperimentalVMOptions",
+                          compactHeaders,
                           "-Xlog:cds",
                           "Hello");
           out.shouldContain(UNABLE_TO_USE_ARCHIVE);
           out.shouldContain(ERR_MSG);
           out.shouldHaveExitValue(1);

@@ -105,10 +112,12 @@
           out = TestCommon
                     .exec(helloJar,
                           "-XX:+UseSerialGC",
                           "-XX:-UseCompressedOops",
                           "-XX:+UseCompressedClassPointers",
+                          "-XX:+UnlockExperimentalVMOptions",
+                          compactHeaders,
                           "-Xlog:cds",
                           "Hello");
           out.shouldContain(HELLO);
           out.shouldHaveExitValue(0);
  

@@ -128,10 +137,12 @@
           out = TestCommon
                     .exec(helloJar,
                           "-XX:+UseSerialGC",
                           "-XX:+UseCompressedOops",
                           "-XX:+UseCompressedClassPointers",
+                          "-XX:+UnlockExperimentalVMOptions",
+                          compactHeaders,
                           "-Xlog:cds",
                           "Hello");
           out.shouldContain(UNABLE_TO_USE_ARCHIVE);
           out.shouldContain(ERR_MSG);
           out.shouldHaveExitValue(1);

@@ -141,19 +152,23 @@
                     .dump(helloJar,
                           new String[] {"Hello"},
                           "-XX:+UseSerialGC",
                           "-XX:-UseCompressedOops",
                           "-XX:+UseCompressedClassPointers",
+                          "-XX:+UnlockExperimentalVMOptions",
+                          compactHeaders,
                           "-Xlog:cds");
           out.shouldContain("Dumping shared data to file:");
           out.shouldHaveExitValue(0);
  
           System.out.println("8. Run with ZGC");
           out = TestCommon
                     .exec(helloJar,
                           "-XX:+UseZGC",
                           zGenerational,
+                          "-XX:+UnlockExperimentalVMOptions",
+                          compactHeaders,
                           "-Xlog:cds",
                           "Hello");
           out.shouldContain(HELLO);
           out.shouldHaveExitValue(0);
      }