test/hotspot/jtreg/runtime/exceptionMsgs/NullPointerException/NullPointerExceptionTest.java

rev 56281 : 8218628: Add detailed message to NullPointerException describing what is null.
Summary: This is the implementation of JEP 358: Helpful NullPointerExceptions.
Reviewed-by: coleenp
rev 56283 : [mq]: fixes_review_of_16.patch

*** 25,34 ****
--- 25,35 ----
  /**
   * @test
   * @summary Test extended NullPointerException message for
   *   classfiles generated with debug information. In this case the name
   *   of the variable containing the array is printed.
+  * @bug 8218628
   * @modules java.base/java.lang:open
   *          java.base/jdk.internal.org.objectweb.asm
   * @library /test/lib
   * @compile -g NullPointerExceptionTest.java
   * @run main/othervm -XX:MaxJavaStackTraceDepth=1 -XX:+ShowCodeDetailsInExceptionMessages NullPointerExceptionTest hasDebugInfo
*** 36,45 ****
--- 37,47 ----
  /**
   * @test
   * @summary Test extended NullPointerException message for class
   *   files generated without debugging information. The message lists
   *   detailed information about the entity that is null.
+  * @bug 8218628
   * @modules java.base/java.lang:open
   *          java.base/jdk.internal.org.objectweb.asm
   * @library /test/lib
   * @compile NullPointerExceptionTest.java
   * @run main/othervm -XX:MaxJavaStackTraceDepth=1 -XX:+ShowCodeDetailsInExceptionMessages NullPointerExceptionTest
*** 85,100 ****
          staticArray[0][0] = new int[1][];
      }
  
      public static void checkMessage(Throwable t, String expression,
                                      String obtainedMsg, String expectedMsg) {
-         //System.out.println("  thrown msg: " + obtainedMsg);
          System.out.println("\nSource code:\n  " + expression + "\n\nOutput:");
          t.printStackTrace(System.out);
          if (obtainedMsg != expectedMsg && // E.g. both are null.
              !obtainedMsg.equals(expectedMsg)) {
-             // GL: need to fix the test cases!
              System.out.println("expected msg: " + expectedMsg);
              Asserts.assertEquals(expectedMsg, obtainedMsg);
          }
          System.out.println("\n----");
      }
--- 87,100 ----