test/runtime/SharedArchiveFile/LimitSharedSizes.java

*** 28,71 ****
   */
  
  import com.oracle.java.testlibrary.*;
  
  public class LimitSharedSizes {
      private static class SharedSizeTestData {
          public String optionName;
          public String optionValue;
          public String expectedErrorMsg;
  
!         public SharedSizeTestData(String name, String value, String msg) {
!             optionName = name;
              optionValue = value;
              expectedErrorMsg = msg;
          }
      }
  
!     private static final SharedSizeTestData[] testTable = {
!         // values in this part of the test table should cause failure
!         // (shared space sizes are deliberately too small)
!         new SharedSizeTestData("-XX:SharedReadOnlySize", "4M",      "read only"),
!         new SharedSizeTestData("-XX:SharedReadWriteSize","4M",      "read write"),
  
!         // Known issue, JDK-8038422 (assert() on Windows)
!         // new SharedSizeTestData("-XX:SharedMiscDataSize", "500k",    "miscellaneous data"),
  
!         // Too small of a misc code size should not cause a vm crash.
!         // It should result in the following error message:
          // The shared miscellaneous code space is not large enough
          // to preload requested classes. Use -XX:SharedMiscCodeSize=
          // to increase the initial size of shared miscellaneous code space.
!         new SharedSizeTestData("-XX:SharedMiscCodeSize", "20k",     "miscellaneous code"),
  
          // these values are larger than default ones, but should
          // be acceptable and not cause failure
!         new SharedSizeTestData("-XX:SharedReadOnlySize",    "20M", null),
!         new SharedSizeTestData("-XX:SharedReadWriteSize",   "20M", null),
!         new SharedSizeTestData("-XX:SharedMiscDataSize",    "20M", null),
!         new SharedSizeTestData("-XX:SharedMiscCodeSize",    "20M", null)
      };
  
      public static void main(String[] args) throws Exception {
          String fileName = "test.jsa";
  
--- 28,127 ----
   */
  
  import com.oracle.java.testlibrary.*;
  
  public class LimitSharedSizes {
+     static enum Region {
+         RO, RW, MD, MC
+     }
+ 
      private static class SharedSizeTestData {
          public String optionName;
          public String optionValue;
          public String expectedErrorMsg;
  
!         public SharedSizeTestData(Region region, String value, String msg) {
!             optionName = getName(region);
              optionValue = value;
              expectedErrorMsg = msg;
          }
+ 
+         public SharedSizeTestData(Region region, String msg) {
+             optionName = getName(region);
+             optionValue = getValue(region);
+             expectedErrorMsg = msg;
          }
  
!         private String getName(Region region) {
!             String name;
!             switch (region) {
!                 case RO:
!                     name = "-XX:SharedReadOnlySize";
!                     break;
!                 case RW:
!                     name = "-XX:SharedReadWriteSize";
!                     break;
!                 case MD:
!                     name = "-XX:SharedMiscDataSize";
!                     break;
!                 case MC:
!                     name = "-XX:SharedMiscCodeSize";
!                     break;
!                 default:
!                     name = "Unknown";
!                     break;
!             }
!             return name;
!         }
  
!         private String getValue(Region region) {
!             String value;
!             switch (region) {
!                 case RO:
!                     value = Platform.is64bit() ? "9M" : "8M";
!                     break;
!                 case RW:
!                     value = Platform.is64bit() ? "12M" : "7M";
!                     break;
!                 case MD:
!                     value = Platform.is64bit() ? "4M" : "2M";
!                     break;
!                 case MC:
!                     value = "120k";
!                     break;
!                 default:
!                     value = "0M";
!                     break;
!             }
!             return value;
!         }
!     }
  
!     private static final SharedSizeTestData[] testTable = {
!         // Too small of a region size should not cause a vm crash.
!         // It should result in an error message like the following:
          // The shared miscellaneous code space is not large enough
          // to preload requested classes. Use -XX:SharedMiscCodeSize=
          // to increase the initial size of shared miscellaneous code space.
!         new SharedSizeTestData(Region.RO, "4M",   "read only"),
!         new SharedSizeTestData(Region.RW, "4M",   "read write"),
!         new SharedSizeTestData(Region.MD, "50k",  "miscellaneous data"),
!         new SharedSizeTestData(Region.MC, "20k",  "miscellaneous code"),
  
          // these values are larger than default ones, but should
          // be acceptable and not cause failure
!         new SharedSizeTestData(Region.RO, "20M", null),
!         new SharedSizeTestData(Region.RW, "20M", null),
!         new SharedSizeTestData(Region.MD, "20M", null),
!         new SharedSizeTestData(Region.MC, "20M", null),
! 
!         // test with sizes which just meet the minimum required sizes
!         // the following tests also attempt to use the shared archive
!         new SharedSizeTestData(Region.RO, "UseArchive"),
!         new SharedSizeTestData(Region.RW, "UseArchive"),
!         new SharedSizeTestData(Region.MD, "UseArchive"),
!         new SharedSizeTestData(Region.MC, "UseArchive")
      };
  
      public static void main(String[] args) throws Exception {
          String fileName = "test.jsa";
  
*** 80,95 ****
--- 136,174 ----
                 "-Xshare:dump");
  
              OutputAnalyzer output = new OutputAnalyzer(pb.start());
  
              if (td.expectedErrorMsg != null) {
+                 if (!td.expectedErrorMsg.equals("UseArchive")) {
                      output.shouldContain("The shared " + td.expectedErrorMsg
                          + " space is not large enough");
  
                      output.shouldHaveExitValue(2);
                  } else {
                      output.shouldNotContain("space is not large enough");
                      output.shouldHaveExitValue(0);
+ 
+                     // try to use the archive
+                     pb = ProcessTools.createJavaProcessBuilder(
+                        "-XX:+UnlockDiagnosticVMOptions",
+                        "-XX:SharedArchiveFile=./" + fileName,
+                        "-XX:+PrintSharedArchiveAndExit",
+                        "-version");
+ 
+                     output = new OutputAnalyzer(pb.start());
+                     try {
+                         output.shouldContain("archive is valid");
+                     } catch (RuntimeException e) {
+                         // if sharing failed due to ASLR or similar reasons,
+                         // check whether sharing was attempted at all (UseSharedSpaces)
+                         output.shouldContain("Unable to use shared archive");
+                         output.shouldHaveExitValue(1);
+                     }
+                     output.shouldHaveExitValue(0);
+                 }
+             } else {
+                 output.shouldNotContain("space is not large enough");
+                 output.shouldHaveExitValue(0);
              }
          }
      }
  }