/** 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));
}
