def test_pad(self):
old = Index([1, 5, 10])
new = Index(range(12))
filler = lib.pad_int64(old, new, old.indexMap, new.indexMap)
expect_filler = [-1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2]
self.assert_(np.array_equal(filler, expect_filler))
# corner case
old = Index([5, 10])
new = Index(range(5))
filler = lib.pad_int64(old, new, old.indexMap, new.indexMap)
expect_filler = [-1, -1, -1, -1, -1]
self.assert_(np.array_equal(filler, expect_filler))
def test_pad(self):
old = Index([1, 5, 10])
new = Index(range(12))
filler = lib.pad_int64(old, new, old.indexMap, new.indexMap)
expect_filler = [-1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2]
self.assert_(np.array_equal(filler, expect_filler))
# corner case
old = Index([5, 10])
new = Index(range(5))
filler = lib.pad_int64(old, new, old.indexMap, new.indexMap)
expect_filler = [-1, -1, -1, -1, -1]
self.assert_(np.array_equal(filler, expect_filler))
def get_indexer(self, target, method=None):
target = _ensure_index(target)
if self.dtype != target.dtype:
this = Index(self, dtype=object)
target = Index(target, dtype=object)
return this.get_indexer(target, method=method)
method = self._get_method(method)
if method == "pad":
indexer = lib.pad_int64(self, target, self.indexMap, target.indexMap)
elif method == "backfill":
indexer = lib.backfill_int64(self, target, self.indexMap, target.indexMap)
elif method is None:
indexer = lib.merge_indexer_int64(target, self.indexMap)
else: # pragma: no cover
raise ValueError("unrecognized method: %s" % method)
return indexer