test/jdk/valhalla/valuetypes/MethodHandleTest.java

rev 55117 : 8223350: [lworld] Use inline classes instead of value classes

*** 22,32 ****
   */
  
  
  /*
   * @test
!  * @summary test MethodHandle/VarHandle on value types
   * @compile -XDallowWithFieldOperator Point.java Line.java MutablePath.java MixedValues.java
   * @run testng/othervm -XX:+EnableValhalla MethodHandleTest
   */
  
  import java.lang.invoke.*;
--- 22,32 ----
   */
  
  
  /*
   * @test
!  * @summary test MethodHandle/VarHandle on inline types 
   * @compile -XDallowWithFieldOperator Point.java Line.java MutablePath.java MixedValues.java
   * @run testng/othervm -XX:+EnableValhalla MethodHandleTest
   */
  
  import java.lang.invoke.*;
*** 69,79 ****
      }
  
      @Test
      public static void testValueFields() throws Throwable {
          MutablePath path = MutablePath.makePath(1, 2, 3, 4);
!         // p1 and p2 are a non-final field of value type in a reference
          MethodHandleTest test1 = new MethodHandleTest("Point", path.p1, "x", "y");
          test1.run();
  
          MethodHandleTest test2 = new MethodHandleTest("Point", path.p2, "x", "y");
          test2.run();
--- 69,79 ----
      }
  
      @Test
      public static void testValueFields() throws Throwable {
          MutablePath path = MutablePath.makePath(1, 2, 3, 4);
!         // p1 and p2 are a non-final field of inline type in a reference
          MethodHandleTest test1 = new MethodHandleTest("Point", path.p1, "x", "y");
          test1.run();
  
          MethodHandleTest test2 = new MethodHandleTest("Point", path.p2, "x", "y");
          test2.run();
*** 120,134 ****
          }
  
          // set an array element to null
          Class<?> elementType = c.getComponentType();
          try {
!             // value array element is flattenable
              Object v = (Object)setter.invoke(array, 0, null);
!             assertFalse(elementType.isValue(), "should fail to set a value array element to null");
          } catch (NullPointerException e) {
!             assertTrue(elementType.isValue(), "should only fail to set a value array element to null");
          }
      }
  
      private final Class<?> c;
      private final Object o;
--- 120,134 ----
          }
  
          // set an array element to null
          Class<?> elementType = c.getComponentType();
          try {
!             // inline array element is flattenable
              Object v = (Object)setter.invoke(array, 0, null);
!             assertFalse(elementType.isValue(), "should fail to set an inline class array element to null");
          } catch (NullPointerException e) {
!             assertTrue(elementType.isValue(), "should only fail to set an inline class array element to null");
          }
      }
  
      private final Class<?> c;
      private final Object o;
*** 170,180 ****
          MethodHandle mh = MethodHandles.lookup().unreflectGetter(f);
          Object value = mh.invoke(o);
      }
  
      /*
!      * Test setting value field to a new value.
       * The field must be flattenable but may or may not be flattened.
       */
      void setValueField(String name, Object obj, Object value) throws Throwable {
          Field f = c.getDeclaredField(name);
          boolean isStatic = Modifier.isStatic(f.getModifiers());
--- 170,180 ----
          MethodHandle mh = MethodHandles.lookup().unreflectGetter(f);
          Object value = mh.invoke(o);
      }
  
      /*
!      * Test setting a field of an inline type to a new value.
       * The field must be flattenable but may or may not be flattened.
       */
      void setValueField(String name, Object obj, Object value) throws Throwable {
          Field f = c.getDeclaredField(name);
          boolean isStatic = Modifier.isStatic(f.getModifiers());