@Test public void testNegate () { try { mValue.negate (); fail ("no exception"); } catch (ExecutionException ee) { } }
Value negate () { throw newOperandException ("-"); }
Value { Value negate () { throw newOperandException ("-"); } }
Value { Value negate () { throw newOperandException ("-"); }  }
Value { Value negate () { throw newOperandException ("-"); }   }
Value { Value negate () { throw newOperandException ("-"); }    }