diff options
Diffstat (limited to 'src/test/java/com/amazon/carbonado/cursor')
| -rw-r--r-- | src/test/java/com/amazon/carbonado/cursor/TestCursors.java | 119 |
1 files changed, 44 insertions, 75 deletions
diff --git a/src/test/java/com/amazon/carbonado/cursor/TestCursors.java b/src/test/java/com/amazon/carbonado/cursor/TestCursors.java index 172fd26..a6c25aa 100644 --- a/src/test/java/com/amazon/carbonado/cursor/TestCursors.java +++ b/src/test/java/com/amazon/carbonado/cursor/TestCursors.java @@ -92,81 +92,50 @@ public class TestCursors extends TestCase { assertFalse(cursor.hasNext());
}
- public void testSlice() throws Exception {
- Cursor<Element> range;
-
- // Empty source.
- range = SliceCursor.slice(createElements(), 10, 100);
- compareElements(range);
- range = SliceCursor.slice(createElements(), 10, 10);
- compareElements(range);
-
- // start at zero
- range = SliceCursor.slice(createElements(1, 2, 3, 4, 5), 0, 100);
- compareElements(range, 1, 2, 3, 4, 5);
- range = SliceCursor.slice(createElements(1, 2, 3, 4, 5), 0, 5);
- compareElements(range, 1, 2, 3, 4, 5);
- range = SliceCursor.slice(createElements(1, 2, 3, 4, 5), 0, 4);
- compareElements(range, 1, 2, 3, 4);
- range = SliceCursor.slice(createElements(1, 2, 3, 4, 5), 0, 1);
- compareElements(range, 1);
- range = SliceCursor.slice(createElements(1, 2, 3, 4, 5), 0, 0);
- compareElements(range);
-
- // start after zero
- range = SliceCursor.slice(createElements(1, 2, 3, 4, 5), 1, 100);
- compareElements(range, 2, 3, 4, 5);
- range = SliceCursor.slice(createElements(1, 2, 3, 4, 5), 1, 5);
- compareElements(range, 2, 3, 4, 5);
- range = SliceCursor.slice(createElements(1, 2, 3, 4, 5), 1, 4);
- compareElements(range, 2, 3, 4);
- range = SliceCursor.slice(createElements(1, 2, 3, 4, 5), 1, 2);
- compareElements(range, 2);
- range = SliceCursor.slice(createElements(1, 2, 3, 4, 5), 1, 1);
- compareElements(range);
-
- // start too high
- range = SliceCursor.slice(createElements(1, 2, 3, 4, 5), 5, 100);
- compareElements(range);
- range = SliceCursor.slice(createElements(1, 2, 3, 4, 5), 50, 100);
- compareElements(range);
-
- // start in middle but end high
- range = SliceCursor.slice(createElements(1, 2, 3, 4, 5), 2, 100);
- compareElements(range, 3, 4, 5);
-
- // start after zero and skip
- range = SliceCursor.slice(createElements(1, 2, 3, 4, 5), 2, 100);
- assertEquals(1, range.skipNext(1));
- compareElements(range, 4, 5);
- range = SliceCursor.slice(createElements(1, 2, 3, 4, 5), 2, 4);
- assertEquals(1, range.skipNext(1));
- compareElements(range, 4);
- range = SliceCursor.slice(createElements(1, 2, 3, 4, 5), 2, 100);
- assertEquals(2, range.skipNext(2));
- compareElements(range, 5);
- range = SliceCursor.slice(createElements(1, 2, 3, 4, 5), 2, 100);
- assertEquals(3, range.skipNext(3));
- compareElements(range);
- range = SliceCursor.slice(createElements(1, 2, 3, 4, 5), 2, 100);
- assertEquals(3, range.skipNext(4));
- compareElements(range);
-
- // start in middle, end high, and skip
- range = SliceCursor.slice(createElements(1, 2, 3, 4, 5), 2, 100);
- assertEquals(2, range.skipNext(2));
- compareElements(range, 5);
-
- // start too high and skip
- range = SliceCursor.slice(createElements(1, 2, 3, 4, 5), 5, 100);
- assertEquals(0, range.skipNext(1));
- compareElements(range);
- range = SliceCursor.slice(createElements(1, 2, 3, 4, 5), 5, 5);
- assertEquals(0, range.skipNext(1));
- compareElements(range);
- range = SliceCursor.slice(createElements(1, 2, 3, 4, 5), 500, 600);
- assertEquals(0, range.skipNext(1));
- compareElements(range);
+ public void testSkip() throws Exception {
+ Cursor<Element> c;
+
+ // empty source
+ c = new SkipCursor<Element>(createElements(), 0);
+ compareElements(c);
+ c = new SkipCursor<Element>(createElements(), 10);
+ compareElements(c);
+
+ c = new SkipCursor<Element>(createElements(1, 2, 3, 4, 5), 0);
+ compareElements(c, 1, 2, 3, 4, 5);
+ c = new SkipCursor<Element>(createElements(1, 2, 3, 4, 5), 1);
+ compareElements(c, 2, 3, 4, 5);
+ c = new SkipCursor<Element>(createElements(1, 2, 3, 4, 5), 2);
+ compareElements(c, 3, 4, 5);
+
+ // skip too much
+ c = new SkipCursor<Element>(createElements(1, 2, 3, 4, 5), 5);
+ compareElements(c);
+ c = new SkipCursor<Element>(createElements(1, 2, 3, 4, 5), 6);
+ compareElements(c);
+ }
+
+ public void testLimit() throws Exception {
+ Cursor<Element> c;
+
+ // empty source
+ c = new LimitCursor<Element>(createElements(), 0);
+ compareElements(c);
+ c = new LimitCursor<Element>(createElements(), 10);
+ compareElements(c);
+
+ c = new LimitCursor<Element>(createElements(1, 2, 3, 4, 5), 0);
+ compareElements(c);
+ c = new LimitCursor<Element>(createElements(1, 2, 3, 4, 5), 1);
+ compareElements(c, 1);
+ c = new LimitCursor<Element>(createElements(1, 2, 3, 4, 5), 2);
+ compareElements(c, 1, 2);
+
+ // limit too high
+ c = new LimitCursor<Element>(createElements(1, 2, 3, 4, 5), 5);
+ compareElements(c, 1, 2, 3, 4, 5);
+ c = new LimitCursor<Element>(createElements(1, 2, 3, 4, 5), 6);
+ compareElements(c, 1, 2, 3, 4, 5);
}
public void testUnion() throws Exception {
|