[pypy-commit] pypy unicode-utf8: provide explicit examples

[fijal]

Author: fijal
Branch: unicode-utf8
Changeset: r93140:d24fe4f59c96
Date: 2017-11-23 15:57 +0100
http://bitbucket.org/pypy/pypy/changeset/d24fe4f59c96/

Log:    provide explicit examples

diff --git a/rpython/rlib/test/test_rutf8.py b/rpython/rlib/test/test_rutf8.py
--- a/rpython/rlib/test/test_rutf8.py
+++ b/rpython/rlib/test/test_rutf8.py
@@ -30,6 +30,7 @@
 
 @settings(max_examples=10000)
 @given(strategies.binary(), strategies.booleans())
+@example('\xf1\x80\x80\x80', False)
 def test_check_utf8(s, allow_surrogates):
     _test_check_utf8(s, allow_surrogates)
 
@@ -134,19 +135,23 @@
     assert repr(u) == repr_func(u.encode('utf8'))
 
 @given(strategies.lists(strategies.characters()))
+@example([u'\ud800', u'\udc00'])
 def test_surrogate_in_utf8(unichars):
     uni = u''.join(unichars).encode('utf-8')
     result = rutf8.surrogate_in_utf8(uni)
     expected = any(uch for uch in unichars if u'\ud800' <= uch <= u'\udfff')
     assert result == expected
 
-@given(strategies.text())
-def test_get_utf8_length_flag(u):
+@given(strategies.lists(strategies.characters()))
+def test_get_utf8_length_flag(unichars):
+    u = u''.join(unichars)
     exp_lgt = len(u)
     exp_flag = rutf8.FLAG_ASCII
     for c in u:
         if ord(c) > 0x7F:
             exp_flag = rutf8.FLAG_REGULAR
+        if 0xD800 <= ord(c) <= 0xDFFF:
+            exp_flag = rutf8.FLAG_HAS_SURROGATES
     lgt, flag = rutf8.get_utf8_length_flag(u.encode('utf8'))
     assert lgt == exp_lgt
     assert flag == exp_flag
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