package water.fvec;
import org.junit.*;
import water.Futures;
import water.TestUtil;
import java.util.Arrays;
import java.util.Iterator;
public class C4ChunkTest extends TestUtil {
@BeforeClass() public static void setup() { stall_till_cloudsize(1); }
@Test
public void test_inflate_impl() {
for (int l=0; l<2; ++l) {
NewChunk nc = new NewChunk(null, 0);
int[] vals = new int[]{-2147483647, 0, 2147483647};
if (l==1) nc.addNA();
for (int v : vals) nc.addNum(v, 0);
nc.addNA(); //-2147483648
int len = nc.len();
Chunk cc = nc.compress();
Assert.assertEquals(vals.length + 1 + l, cc._len);
Assert.assertTrue(cc instanceof C4Chunk);
for (int i = 0; i < vals.length; ++i) Assert.assertEquals(vals[i], cc.at8(l + i));
for (int i = 0; i < vals.length; ++i) Assert.assertEquals(vals[i], cc.at8_abs(l + i));
Assert.assertTrue(cc.isNA(vals.length + l));
Assert.assertTrue(cc.isNA_abs(vals.length + l));
double[] densevals = new double[cc.len()];
cc.getDoubles(densevals,0,cc.len());
for (int i = 0; i < densevals.length; ++i) {
if (cc.isNA(i)) Assert.assertTrue(Double.isNaN(densevals[i]));
else Assert.assertTrue(cc.at8(i)==(int)densevals[i]);
}
nc = new NewChunk(null, 0);
cc.extractRows(nc,0,len);
if (l==1) Assert.assertTrue(cc.isNA(0));
Assert.assertEquals(vals.length+l+1, nc._sparseLen);
Assert.assertEquals(vals.length+l+1, nc._len);
for (int i = 0; i < vals.length; ++i) Assert.assertEquals(vals[i], nc.at8(l + i));
for (int i = 0; i < vals.length; ++i) Assert.assertEquals(vals[i], nc.at8_abs(l + i));
Assert.assertTrue(cc.isNA(vals.length + l));
Chunk cc2 = nc.compress();
Assert.assertEquals(vals.length + 1 + l, cc._len);
Assert.assertTrue(cc2 instanceof C4Chunk);
for (int i = 0; i < vals.length; ++i) Assert.assertEquals(vals[i], cc2.at8(l + i));
for (int i = 0; i < vals.length; ++i) Assert.assertEquals(vals[i], cc2.at8_abs(l + i));
Assert.assertTrue(cc2.isNA(vals.length + l));
Assert.assertTrue(cc2.isNA_abs(vals.length + l));
Assert.assertTrue(Arrays.equals(cc._mem, cc2._mem));
}
}
@Test public void test_setNA() {
// Create a vec with one chunk with 15 elements, and set its numbers
water.Key key = Vec.newKey();
Vec vec = new Vec(key, Vec.ESPC.rowLayout(key,new long[]{0,15})).makeZero();
int[] vals = new int[]{0, 3, 0, 6, 0, 0, 0, Integer.MIN_VALUE+1, 0, 12, Integer.MAX_VALUE, 32767, 0, 0, 19};
Vec.Writer w = vec.open();
for (int i =0; i<vals.length; ++i) w.set(i, vals[i]);
w.close();
Chunk cc = vec.chunkForChunkIdx(0);
assert cc instanceof C4Chunk;
Futures fs = new Futures();
fs.blockForPending();
for (int i = 0; i < vals.length; ++i) Assert.assertEquals(vals[i], cc.at8(i));
for (int i = 0; i < vals.length; ++i) Assert.assertEquals(vals[i], cc.at8_abs(i));
int[] NAs = new int[]{1, 5, 2};
int[] notNAs = new int[]{0, 3, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14};
for (int na : NAs) cc.setNA_abs(na);
for (int na : NAs) Assert.assertTrue(cc.isNA(na));
for (int na : NAs) Assert.assertTrue(cc.isNA_abs(na));
for (int notna : notNAs) Assert.assertTrue(!cc.isNA(notna));
for (int notna : notNAs) Assert.assertTrue(!cc.isNA_abs(notna));
NewChunk nc = new NewChunk(null, 0);
cc.extractRows(nc,0,(int)vec.length());
Assert.assertEquals(vals.length, nc._sparseLen);
Assert.assertEquals(vals.length, nc._len);
for (int na : NAs) Assert.assertTrue(cc.isNA(na));
for (int na : NAs) Assert.assertTrue(cc.isNA_abs(na));
for (int notna : notNAs) Assert.assertTrue(!cc.isNA(notna));
for (int notna : notNAs) Assert.assertTrue(!cc.isNA_abs(notna));
Chunk cc2 = nc.compress();
Assert.assertEquals(vals.length, cc._len);
Assert.assertTrue(cc2 instanceof C4Chunk);
for (int na : NAs) Assert.assertTrue(cc.isNA(na));
for (int na : NAs) Assert.assertTrue(cc.isNA_abs(na));
for (int notna : notNAs) Assert.assertTrue(!cc.isNA(notna));
for (int notna : notNAs) Assert.assertTrue(!cc.isNA_abs(notna));
Assert.assertTrue(Arrays.equals(cc._mem, cc2._mem));
vec.remove();
}
}