Author: Carl Friedrich Bolz-Tereick <cfb...@gmx.de>
Branch: record-known-result
Changeset: r97790:270b9c958d32
Date: 2019-10-16 14:44 +0200
http://bitbucket.org/pypy/pypy/changeset/270b9c958d32/
Log: re-decoding a utf-8 encoded byte string needs to do nothing
diff --git a/dotviewer/graphclient.py b/dotviewer/graphclient.py
--- a/dotviewer/graphclient.py
+++ b/dotviewer/graphclient.py
@@ -95,8 +95,8 @@
except EOFError:
ioerror = ioerror or IOError("connection unexpectedly closed "
"(graphserver crash?)")
- #if ioerror is not None:
- # raise ioerror
+ if ioerror is not None:
+ raise ioerror
def send_error(io, e):
try:
diff --git a/pypy/module/pypyjit/test_pypy_c/test_string.py
b/pypy/module/pypyjit/test_pypy_c/test_string.py
--- a/pypy/module/pypyjit/test_pypy_c/test_string.py
+++ b/pypy/module/pypyjit/test_pypy_c/test_string.py
@@ -289,3 +289,23 @@
i57 = int_sub(i52, i56)
i59 = int_sub(i38, 1)
''')
+
+ def test_decode_encode(self):
+ log = self.run("""
+ def main(n):
+ global s
+ u =
b'ab\xc3\xa4\xf0\x9f\x91\xa9\xe2\x80\x8d\xf0\x9f\x91\xa9\xe2\x80\x8d\xf0\x9f\x91\xa7\xe2\x80\x8d\xf0\x9f\x91\xa6'.decode("utf-8")
+ count = 0
+ for i in range(n):
+ b = (u + unicode(i)).encode("utf-8")
+ u = b.decode("utf-8") # ID: decode
+ count += 1
+ return count
+ """, [10000])
+ loop, = log.loops_by_filename(self.filepath)
+ # No call to _check_utf8 is necessary, because the bytes come from
+ # W_UnicodeObject.utf8_w.
+ assert loop.match_by_id('decode', '''
+ i95 = int_ge(i86, 0)
+ guard_true(i95, descr=...)
+ ''')
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