From 4a2f1e8b81e87a882be8c2a53b6999212d8a1dce Mon Sep 17 00:00:00 2001
From: Christoph Groth <christoph.groth@cea.fr>
Date: Sat, 6 May 2017 21:41:08 +0200
Subject: [PATCH] fill(): add failing test
---
kwant/tests/test_builder.py | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/kwant/tests/test_builder.py b/kwant/tests/test_builder.py
index ada7cb9a..7100afdb 100644
--- a/kwant/tests/test_builder.py
+++ b/kwant/tests/test_builder.py
@@ -659,6 +659,18 @@ def test_fill():
with raises(ValueError):
target.fill(template_1d, line_200, start=g(domain, 0))
+ ## Test filling of infinite builder.
+ for n in [1, 2, 4]:
+ sym_n = kwant.TranslationalSymmetry((n, 0))
+ for ow in [False, True]:
+ for start in [g(0, 0), g(20, 0)]:
+ target = builder.Builder(sym_n)
+ sites = target.fill(template_1d, lambda s: True, start,
+ overwrite=ow, max_sites=10)
+ assert len(sites) == n
+ assert len(list(target.hoppings())) == n
+ assert set(sym_n.to_fd(s) for s in sites) == set(target.sites())
+
## test max_sites
target = builder.Builder()
for max_sites in (-1, 0):
--
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