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test/valhalla/mvt/MethodHandlesTest.java

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  57 
  58         assertThrows(ClassCastException.class,
  59                 () -> MethodHandles.insertArguments(DVT_MH, 0, new ValueCapable()));
  60 
  61         assertThrows(NullPointerException.class,
  62                 () -> MethodHandles.insertArguments(DVT_MH, 0, new Object[] { null }));
  63     }
  64 
  65     @Test
  66     void testInsertArgumentVCC() throws Throwable {
  67         assertEquals(MethodHandles.insertArguments(VCC_MH, 0, ARG).invokeWithArguments(), ARG);
  68 
  69         assertThrows(ClassCastException.class,
  70                 () -> MethodHandles.insertArguments(VCC_MH, 0, new ValueCapable()));
  71 
  72         {
  73             MethodHandle mh = MethodHandles.insertArguments(VCC_MH, 0, new Object[]{null});
  74             assertThrows(NullPointerException.class, () -> mh.invokeWithArguments());
  75         }
  76     }











  77 }


  57 
  58         assertThrows(ClassCastException.class,
  59                 () -> MethodHandles.insertArguments(DVT_MH, 0, new ValueCapable()));
  60 
  61         assertThrows(NullPointerException.class,
  62                 () -> MethodHandles.insertArguments(DVT_MH, 0, new Object[] { null }));
  63     }
  64 
  65     @Test
  66     void testInsertArgumentVCC() throws Throwable {
  67         assertEquals(MethodHandles.insertArguments(VCC_MH, 0, ARG).invokeWithArguments(), ARG);
  68 
  69         assertThrows(ClassCastException.class,
  70                 () -> MethodHandles.insertArguments(VCC_MH, 0, new ValueCapable()));
  71 
  72         {
  73             MethodHandle mh = MethodHandles.insertArguments(VCC_MH, 0, new Object[]{null});
  74             assertThrows(NullPointerException.class, () -> mh.invokeWithArguments());
  75         }
  76     }
  77 
  78     @Test
  79     void testConstantDVT() throws Throwable {
  80         assertEquals(MethodHandles.constant(DVT, ARG).invokeWithArguments(), ARG);
  81 
  82         assertThrows(ClassCastException.class,
  83                 () -> MethodHandles.constant(DVT, new Object()));
  84 
  85         assertThrows(NullPointerException.class,
  86                 () -> MethodHandles.constant(DVT, null));
  87     }
  88 }
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