Author: Philip Jenvey <[email protected]>
Branch:
Changeset: r72429:c686b0a3a21a
Date: 2014-07-12 16:03 -0700
http://bitbucket.org/pypy/pypy/changeset/c686b0a3a21a/
Log: fix tostring() on empty arrays
diff --git a/pypy/module/array/interp_array.py
b/pypy/module/array/interp_array.py
--- a/pypy/module/array/interp_array.py
+++ b/pypy/module/array/interp_array.py
@@ -228,8 +228,11 @@
Convert the array to an array of machine values and return the string
representation.
"""
+ size = self.len
+ if size == 0:
+ return space.wrap('')
cbuf = self._charbuf_start()
- s = rffi.charpsize2str(cbuf, self.len * self.itemsize)
+ s = rffi.charpsize2str(cbuf, size * self.itemsize)
self._charbuf_stop()
return self.space.wrap(s)
diff --git a/pypy/module/array/test/test_array.py
b/pypy/module/array/test/test_array.py
--- a/pypy/module/array/test/test_array.py
+++ b/pypy/module/array/test/test_array.py
@@ -418,6 +418,10 @@
assert self.array('u', unicode('hello')).tounicode() == \
unicode('hello')
+ def test_empty_tostring(self):
+ a = self.array('l')
+ assert a.tostring() == b''
+
def test_buffer(self):
a = self.array('h', 'Hi')
buf = buffer(a)
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