added test for boost histogram

test/collections/test_boost_histogram.py

@@ -0,0 +1,29 @@
+# import aghast
+import awkward
+import boost.histogram as bh
+import numpy as np
+
+
+def test_fill():
+    pileup_bins = [0, 10, 15, 20, 30, 999]
+    jet_pt_bins = [35, 90, 120]
+    hist = bh.histogram(
+        bh.axis.variable(pileup_bins),
+        bh.axis.variable(jet_pt_bins, bh.storage.weight()),
+    )
+
+    ets = awkward.fromiter([
+        np.random.poisson(30, 5),
+        np.random.poisson(30, 2),
+        np.random.poisson(30, 3),
+    ])
+    repeat = ets.stops - ets.starts
+
+    weights = np.ones(len(ets))
+    weights = np.repeat(weights, repeat, axis=0)
+    pileup = np.random.poisson(50, len(ets))
+    pileup = np.repeat(pileup, repeat, axis=0)
+    # expand pileup to size ets
+    assert len(pileup) == len(ets.content)
+    # hist.fill(pileup, ets.content, bh.weight(weights))
+    hist(pileup, ets.content)