import static org.testng.AssertJUnit.assertNull;
import static org.testng.AssertJUnit.assertSame;
import static org.testng.AssertJUnit.assertTrue;
+import static org.testng.internal.junit.ArrayAsserts.assertArrayEquals;
import java.util.ArrayList;
import java.util.Arrays;
MapList ml = new MapList(new int[] { 1, 5, 10, 15, 25, 20 }, new int[] {
51, 1 }, 1, 3);
String s = ml.toString();
- assertEquals("[ [1, 5] [10, 15] [25, 20] ] To [ [51, 1] ]",
- s);
+ assertEquals("[ [1, 5] [10, 15] [25, 20] ] 1:3 to [ [51, 1] ]", s);
}
@Test(groups = { "Functional" })
String s = ml.toString();
assertEquals(
- "[ [11, 15] [20, 25] [35, 30] [2, 4] [37, 40] ] To [ [72, 22] [12, 17] [78, 83] [88, 96] ]",
+ "[ [11, 15] [20, 25] [35, 30] [2, 4] [37, 40] ] 1:3 to [ [72, 22] [12, 17] [78, 83] [88, 96] ]",
s);
}
+ /**
+ * Test that confirms adding a map twice does nothing
+ */
+ @Test(groups = { "Functional" })
+ public void testAddMapList_sameMap()
+ {
+ MapList ml = new MapList(new int[] { 11, 15, 20, 25, 35, 30 },
+ new int[] { 72, 22 }, 1, 3);
+ String before = ml.toString();
+ ml.addMapList(ml);
+ assertEquals(before, ml.toString());
+ ml.addMapList(new MapList(ml));
+ assertEquals(before, ml.toString());
+ }
+
@Test(groups = { "Functional" })
public void testAddMapList_contiguous()
{
MapList ml2 = new MapList(new int[] { 15, 16 }, new int[] { 58, 53 },
1, 3);
ml.addMapList(ml2);
- assertEquals("[ [11, 16] ] To [ [72, 53] ]", ml.toString());
+ assertEquals("[ [11, 16] ] 1:3 to [ [72, 53] ]", ml.toString());
}
@Test(groups = "Functional")
@Test(groups = { "Functional" })
public void testIsFromForwardStrand()
{
- MapList ml = new MapList(new int[] { 2, 2, 3, 9, 12, 11 },
- new int[] { 20, 11 }, 1, 1);
+ // [3-9] declares forward strand
+ MapList ml = new MapList(new int[] { 2, 2, 3, 9, 12, 11 }, new int[] {
+ 20, 11 }, 1, 1);
assertTrue(ml.isFromForwardStrand());
+ // [11-5] declares reverse strand ([13-14] is ignored)
ml = new MapList(new int[] { 2, 2, 11, 5, 13, 14 },
new int[] { 20, 11 }, 1, 1);
assertFalse(ml.isFromForwardStrand());
+ // all single position ranges - defaults to forward strand
ml = new MapList(new int[] { 2, 2, 4, 4, 6, 6 }, new int[] { 3, 1 }, 1,
1);
assertTrue(ml.isFromForwardStrand());
}
+
+ /**
+ * Test the method that merges a list of ranges where possible
+ */
+ @Test(groups = { "Functional" })
+ public void testCoalesceRanges()
+ {
+ assertNull(MapList.coalesceRanges(null));
+ List<int[]> ranges = new ArrayList<int[]>();
+ assertSame(ranges, MapList.coalesceRanges(ranges));
+ ranges.add(new int[] { 1, 3 });
+ assertSame(ranges, MapList.coalesceRanges(ranges));
+
+ // add non-contiguous range:
+ ranges.add(new int[] { 5, 6 });
+ assertSame(ranges, MapList.coalesceRanges(ranges));
+
+ // 'contiguous' range in opposite direction is not merged:
+ ranges.add(new int[] { 7, 6 });
+ assertSame(ranges, MapList.coalesceRanges(ranges));
+
+ // merging in forward direction:
+ ranges.clear();
+ ranges.add(new int[] { 1, 3 });
+ ranges.add(new int[] { 4, 5 });
+ ranges.add(new int[] { 5, 5 });
+ ranges.add(new int[] { 5, 7 });
+ List<int[]> merged = MapList.coalesceRanges(ranges);
+ assertEquals(1, merged.size());
+ assertArrayEquals(new int[] { 1, 7 }, merged.get(0));
+ // verify input list is unchanged
+ assertEquals(4, ranges.size());
+ assertArrayEquals(new int[] { 1, 3 }, ranges.get(0));
+ assertArrayEquals(new int[] { 4, 5 }, ranges.get(1));
+ assertArrayEquals(new int[] { 5, 5 }, ranges.get(2));
+ assertArrayEquals(new int[] { 5, 7 }, ranges.get(3));
+
+ // merging in reverse direction:
+ ranges.clear();
+ ranges.add(new int[] { 7, 5 });
+ ranges.add(new int[] { 5, 4 });
+ ranges.add(new int[] { 4, 4 });
+ ranges.add(new int[] { 3, 1 });
+ merged = MapList.coalesceRanges(ranges);
+ assertEquals(1, merged.size());
+ assertArrayEquals(new int[] { 7, 1 }, merged.get(0));
+
+ // merging with switches of direction:
+ ranges.clear();
+ ranges.add(new int[] { 1, 3 });
+ ranges.add(new int[] { 4, 5 });
+ ranges.add(new int[] { 5, 5 });
+ ranges.add(new int[] { 6, 6 });
+ ranges.add(new int[] { 12, 10 });
+ ranges.add(new int[] { 9, 8 });
+ ranges.add(new int[] { 8, 8 });
+ ranges.add(new int[] { 7, 7 });
+ merged = MapList.coalesceRanges(ranges);
+ assertEquals(2, merged.size());
+ assertArrayEquals(new int[] { 1, 6 }, merged.get(0));
+ assertArrayEquals(new int[] { 12, 7 }, merged.get(1));
+ }
+
+ /**
+ * Test the method that merges a list of ranges where possible
+ */
+ @Test(groups = { "Functional" })
+ public void testCoalesceRanges_withOverlap()
+ {
+ List<int[]> ranges = new ArrayList<int[]>();
+ ranges.add(new int[] { 1, 3 });
+ ranges.add(new int[] { 2, 5 });
+
+ /*
+ * [2, 5] should extend [1, 3]
+ */
+ List<int[]> merged = MapList.coalesceRanges(ranges);
+ assertEquals(1, merged.size());
+ assertArrayEquals(new int[] { 1, 5 }, merged.get(0));
+
+ /*
+ * a subsumed interval should be dropped
+ */
+ ranges.clear();
+ ranges.add(new int[] { 1, 6 });
+ ranges.add(new int[] { 2, 4 });
+ merged = MapList.coalesceRanges(ranges);
+ assertEquals(1, merged.size());
+ assertArrayEquals(new int[] { 1, 6 }, merged.get(0));
+
+ ranges.clear();
+ ranges.add(new int[] { 1, 5 });
+ ranges.add(new int[] { 1, 6 });
+ merged = MapList.coalesceRanges(ranges);
+ assertEquals(1, merged.size());
+ assertArrayEquals(new int[] { 1, 6 }, merged.get(0));
+
+ /*
+ * merge duplicate ranges
+ */
+ ranges.clear();
+ ranges.add(new int[] { 1, 3 });
+ ranges.add(new int[] { 1, 3 });
+ merged = MapList.coalesceRanges(ranges);
+ assertEquals(1, merged.size());
+ assertArrayEquals(new int[] { 1, 3 }, merged.get(0));
+
+ /*
+ * reverse direction
+ */
+ ranges.clear();
+ ranges.add(new int[] { 9, 5 });
+ ranges.add(new int[] { 9, 4 });
+ ranges.add(new int[] { 8, 3 });
+ ranges.add(new int[] { 3, 2 });
+ ranges.add(new int[] { 1, 0 });
+ merged = MapList.coalesceRanges(ranges);
+ assertEquals(1, merged.size());
+ assertArrayEquals(new int[] { 9, 0 }, merged.get(0));
+ }
}