/** Unit test for HeapFile.getId() */
@Test
public void getId() throws Exception {
int id = hf.getId();
// NOTE(ghuo): the value could be anything. test determinism, at least.
assertEquals(id, hf.getId());
assertEquals(id, hf.getId());
HeapFile other = SystemTestUtil.createRandomHeapFile(1, 1, null, null);
assertTrue(id != other.getId());
}
/** Unit test for HeapFile.readPage() */
@Test
public void readPage() throws Exception {
HeapPageId pid = new HeapPageId(hf.getId(), 0);
HeapPage page = (HeapPage) hf.readPage(pid);
// NOTE(ghuo): we try not to dig too deeply into the Page API here; we
// rely on HeapPageTest for that. perform some basic checks.
assertEquals(484, page.getNumEmptySlots());
assertTrue(page.isSlotUsed(1));
assertFalse(page.isSlotUsed(20));
}