Author: Armin Rigo <[email protected]>
Branch:
Changeset: r90366:4b4ca32b2aa3
Date: 2017-02-26 18:08 +0100
http://bitbucket.org/pypy/pypy/changeset/4b4ca32b2aa3/
Log: merge heads
diff --git a/pypy/module/unicodedata/interp_ucd.py
b/pypy/module/unicodedata/interp_ucd.py
--- a/pypy/module/unicodedata/interp_ucd.py
+++ b/pypy/module/unicodedata/interp_ucd.py
@@ -280,8 +280,9 @@
# If L, V -> LV
current = SBase + ((current - LBase)*VCount + (next -
VBase)) * TCount
continue
+ # Note: if next == TBase, leave LV unchanged
if (SBase <= current < SBase + SCount and
- TBase <= next < TBase + TCount and
+ TBase < next < TBase + TCount and
(current - SBase) % TCount == 0):
# If LV, T -> LVT
current = current + (next - TBase)
diff --git a/pypy/module/unicodedata/test/test_hyp.py
b/pypy/module/unicodedata/test/test_hyp.py
new file mode 100644
--- /dev/null
+++ b/pypy/module/unicodedata/test/test_hyp.py
@@ -0,0 +1,47 @@
+import pytest
+try:
+ from hypothesis import given, strategies as st, example, settings
+except ImportError:
+ pytest.skip("hypothesis required")
+
+from pypy.module.unicodedata.interp_ucd import ucd
+
+def make_normalization(space, NF_code):
+ def normalize(s):
+ w_s = space.newunicode(s)
+ w_res = ucd.normalize(space, NF_code, w_s)
+ return space.unwrap(w_res)
+ return normalize
+
+all_forms = ['NFC', 'NFD', 'NFKC', 'NFKD']
+
+# For every (n1, n2, n3) triple, applying n1 then n2 must be the same
+# as applying n3.
+# Reference: http://unicode.org/reports/tr15/#Design_Goals
+compositions = [
+ ('NFC', 'NFC', 'NFC'),
+ ('NFC', 'NFD', 'NFD'),
+ ('NFC', 'NFKC', 'NFKC'),
+ ('NFC', 'NFKD', 'NFKD'),
+ ('NFD', 'NFC', 'NFC'),
+ ('NFD', 'NFD', 'NFD'),
+ ('NFD', 'NFKC', 'NFKC'),
+ ('NFD', 'NFKD', 'NFKD'),
+ ('NFKC', 'NFC', 'NFKC'),
+ ('NFKC', 'NFD', 'NFKD'),
+ ('NFKC', 'NFKC', 'NFKC'),
+ ('NFKC', 'NFKD', 'NFKD'),
+ ('NFKD', 'NFC', 'NFKC'),
+ ('NFKD', 'NFD', 'NFKD'),
+ ('NFKD', 'NFKC', 'NFKC'),
+ ('NFKD', 'NFKD', 'NFKD'),
+]
+
+
[email protected]('NF1, NF2, NF3', compositions)
+@example(s=u'---\uafb8\u11a7---') # issue 2289
+@settings(max_examples=1000)
+@given(s=st.text())
+def test_composition(s, space, NF1, NF2, NF3):
+ norm1, norm2, norm3 = [make_normalization(space, form) for form in [NF1,
NF2, NF3]]
+ assert norm2(norm1(s)) == norm3(s)
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