src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.debug.test/src/org/graalvm/compiler/debug/test/TimerKeyTest.java

rev 52509 : [mq]: graal2

*** 37,57 ****
--- 37,69 ----
  import org.graalvm.compiler.debug.TimerKey;
  import org.graalvm.compiler.options.OptionKey;
  import org.graalvm.compiler.options.OptionValues;
  import org.graalvm.compiler.serviceprovider.GraalServices;
  import org.junit.Assume;
+ import org.junit.AssumptionViolatedException;
  import org.junit.Before;
  import org.junit.Test;
  
  @SuppressWarnings("try")
  public class TimerKeyTest {
  
      @Before
      public void checkCapabilities() {
+         assumeManagementLibraryIsLoadable();
          Assume.assumeTrue("skipping management interface test", GraalServices.isCurrentThreadCpuTimeSupported());
      }
  
+     /** @see <a href="https://bugs.openjdk.java.net/browse/JDK-8076557">JDK-8076557</a> */
+     static void assumeManagementLibraryIsLoadable() {
+         try {
+             /* Trigger loading of the management library using the bootstrap class loader. */
+             GraalServices.getCurrentThreadAllocatedBytes();
+         } catch (UnsatisfiedLinkError | NoClassDefFoundError | UnsupportedOperationException e) {
+             throw new AssumptionViolatedException("Management interface is unavailable: " + e);
+         }
+     }
+ 
      /**
       * Actively spins the current thread for at least a given number of milliseconds in such a way
       * that timers for the current thread keep ticking over.
       *
       * @return the number of milliseconds actually spent spinning which is guaranteed to be >=