| 87 | } |
| 88 | |
| 89 | public void testAlignment() { |
| 90 | final int SIZE = 1<<16; |
| 91 | Memory base = new Memory(SIZE); |
| 92 | for (int align=1;align < SIZE;align *= 2) { |
| 93 | Memory unaligned = base; |
| 94 | long mask = ~((long)align - 1); |
| 95 | if ((base.peer & mask) == base.peer) |
| 96 | unaligned = (Memory)base.share(1, SIZE-1); |
| 97 | Pointer aligned = unaligned.align(align); |
| 98 | assertEquals("Memory not aligned (" + align + ")", |
| 99 | aligned.peer & mask, aligned.peer); |
| 100 | |
| 101 | assertSame("Alignment request on aligned memory should no-op", |
| 102 | aligned, ((Memory)aligned).align(align)); |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | public void testNegativeAlignment() { |
| 107 | final int SIZE = 128; |