test/hotspot/jtreg/runtime/Unsafe/AllocateMemory.java

rev 57826 : 8237521: Memory Access API fixes for 32-bit
Reviewed-by: mcimadamore, dholmes

*** 1,7 ****
  /*
!  * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 2015, 2020, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 57,68 ****
  
          // allocateMemory() should throw an OutOfMemoryError when the underlying malloc fails,
          // we test this by limiting the malloc using -XX:MallocMaxTestWords
          try {
              address = unsafe.allocateMemory(100 * 1024 * 1024 * 8);
          } catch (OutOfMemoryError e) {
              // Expected
-             return;
          }
!         throw new RuntimeException("Did not get expected OutOfMemoryError");
      }
  }
--- 57,87 ----
  
          // allocateMemory() should throw an OutOfMemoryError when the underlying malloc fails,
          // we test this by limiting the malloc using -XX:MallocMaxTestWords
          try {
              address = unsafe.allocateMemory(100 * 1024 * 1024 * 8);
+             throw new RuntimeException("Did not get expected OutOfMemoryError");
          } catch (OutOfMemoryError e) {
              // Expected
          }
! 
!         // Allocation should fail on a 32-bit system if the aligned-up
!         // size overflows a size_t
!         if (Unsafe.ADDRESS_SIZE == 4) {
!             try {
!                 address = unsafe.allocateMemory((long)Integer.MAX_VALUE * 2);
!                 throw new RuntimeException("Did not get expected IllegalArgumentException");
!             } catch (IllegalArgumentException e) {
!                 // Expected
!             }
!         }
! 
!         // Allocation should fail if the aligned-up size overflows a
!         // Java long
!         try {
!             address = unsafe.allocateMemory((long)Long.MAX_VALUE);
!             throw new RuntimeException("Did not get expected IllegalArgumentException");
!         } catch (IllegalArgumentException e) {
!             // Expected
!         }
      }
  }