@Test
public void testCopy() {
DataAccess da1 = createDataAccess(name);
da1.create(1001 * 4);
da1.setHeader(4, 12);
da1.setInt(1 * 4, 1);
da1.setInt(123 * 4, 321);
da1.setInt(1000 * 4, 1111);
DataAccess da2 = createDataAccess(name + "2");
da2.create(10);
da1.copyTo(da2);
assertEquals(12, da2.getHeader(4));
assertEquals(1, da2.getInt(1 * 4));
assertEquals(321, da2.getInt(123 * 4));
assertEquals(1111, da2.getInt(1000 * 4));
da2.setInt(1 * 4, 2);
assertEquals(2, da2.getInt(1 * 4));
da2.flush();
da1.flush();
// make sure they are independent!
assertEquals(1, da1.getInt(1 * 4));
da1.close();
da2.close();
}
@Test
public void testLoadFlush() {
DataAccess da = createDataAccess(name);
assertFalse(da.loadExisting());
da.create(300);
da.setInt(7 * 4, 123);
assertEquals(123, da.getInt(7 * 4));
da.setInt(10 * 4, Integer.MAX_VALUE / 3);
assertEquals(Integer.MAX_VALUE / 3, da.getInt(10 * 4));
da.flush();
// check noValue clearing
assertEquals(0, da.getInt(2 * 4));
assertEquals(0, da.getInt(3 * 4));
assertEquals(123, da.getInt(7 * 4));
assertEquals(Integer.MAX_VALUE / 3, da.getInt(10 * 4));
da.close();
// cannot load data if already closed
try {
da.loadExisting();
assertTrue(false);
} catch (Exception ex) {
assertEquals("already closed", ex.getMessage());
}
da = createDataAccess(name);
assertTrue(da.loadExisting());
assertEquals(123, da.getInt(7 * 4));
da.close();
}
@Test
public void testLoadClose() {
DataAccess da = createDataAccess(name);
da.create(300);
da.setInt(2 * 4, 321);
da.flush();
da.close();
da = createDataAccess(name);
assertTrue(da.loadExisting());
assertEquals(321, da.getInt(2 * 4));
da.close();
}
@Test
public void testRenameFlush() {
DataAccess da = createDataAccess(name);
da.create(100);
da.setInt(17 * 4, 17);
da.flush();
assertTrue(new File(directory + name).exists());
da.rename(name + "wow");
assertFalse(new File(directory + name).exists());
assertTrue(new File(directory + name + "wow").exists());
assertEquals(17, da.getInt(17 * 4));
da.close();
da = createDataAccess(name + "wow");
assertTrue(da.loadExisting());
assertEquals(17, da.getInt(17 * 4));
da.close();
}
@Test
public void testHeader() {
DataAccess da = createDataAccess(name);
da.create(300);
da.setHeader(7 * 4, 123);
assertEquals(123, da.getHeader(7 * 4));
da.setHeader(10 * 4, Integer.MAX_VALUE / 3);
assertEquals(Integer.MAX_VALUE / 3, da.getHeader(10 * 4));
da.setHeader(11 * 4, Helper.degreeToInt(123.321));
assertEquals(123.321, Helper.intToDegree(da.getHeader(11 * 4)), 1e-4);
da.flush();
da.close();
da = createDataAccess(name);
assertTrue(da.loadExisting());
assertEquals(123, da.getHeader(7 * 4));
da.close();
}
@Test
public void testSegments() {
DataAccess da = createDataAccess(name);
da.setSegmentSize(128);
da.create(10);
assertEquals(1, da.getSegments());
da.ensureCapacity(500);
int olds = da.getSegments();
assertTrue(olds > 3);
da.setInt(400, 321);
da.flush();
da.close();
da = createDataAccess(name);
assertTrue(da.loadExisting());
assertEquals(olds, da.getSegments());
assertEquals(321, da.getInt(400));
da.close();
}