test/java/lang/SecurityManager/CheckPackageAccess.java

@@ -31,18 +31,20 @@
  *  @run main/othervm CheckPackageAccess
  */
 
 import java.lang.module.ModuleFinder;
 import java.lang.module.ModuleReference;
+import java.lang.reflect.Layer;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Optional;
 
 public class CheckPackageAccess {
 
     private static final SecurityManager sm = new SecurityManager();
     private static final ModuleFinder mf = ModuleFinder.ofSystem();
+    private static final String MODULE_TEXT = "Testing module: %1$s. Module is%2$s present.";
 
     /*
      * The expected list of restricted packages of the package.access property.
      *
      * This array should be updated whenever new packages are added to the

@@ -78,11 +80,14 @@
             this.qualOpens = Optional.ofNullable(qualOpens);
             this.qualOpensAndExports = Optional.ofNullable(qualOpensAndExports);
         }
 
         void test() {
-            System.out.println("Testing module " + moduleName);
+            final boolean isModulePresent = Layer.boot().findModule(moduleName).isPresent();
+            System.out.println(String.format(MODULE_TEXT, moduleName, isModulePresent ? "" : " NOT"));
+
+            if (isModulePresent) {
 
             // access to exported pkg should pass
             testNonRestricted(exports);
 
             // access to opened pkg should pass

@@ -97,10 +102,13 @@
             // access to qualified open pkg should fail
             qualOpens.ifPresent(Test::testRestricted);
 
             // access to qualified opened pkg that is also exported should pass
             qualOpensAndExports.ifPresent(Test::testNonRestricted);
+            } else {
+                System.out.println("Skipping tests for module.");
+            }
         }
 
         private static void testRestricted(String pkg) {
             try {
                 sm.checkPackageAccess(pkg);