Author: Devin Jeanpierre <[email protected]>
Branch: cpyext-old-buffers
Changeset: r84522:96591f8ad166
Date: 2016-05-19 18:46 -0700
http://bitbucket.org/pypy/pypy/changeset/96591f8ad166/
Log: Add a test that actually writes to a writable mmap, showing that it
works.
diff --git a/pypy/module/cpyext/test/test_abstract.py
b/pypy/module/cpyext/test/test_abstract.py
--- a/pypy/module/cpyext/test/test_abstract.py
+++ b/pypy/module/cpyext/test/test_abstract.py
@@ -34,6 +34,18 @@
return NULL;
return PyString_FromStringAndSize((char*)ptr, size);
"""),
+ ("zero_out_writebuffer", "METH_O",
+ """
+ void *ptr;
+ Py_ssize_t size;
+ if (PyObject_AsWriteBuffer(args, &ptr, &size) < 0)
+ return NULL;
+ Py_ssize_t i;
+ for (i = 0; i < size; i++) {
+ ((char*)ptr)[i] = 0;
+ }
+ Py_RETURN_NONE;
+ """),
])
def test_string(self):
@@ -71,6 +83,13 @@
assert s == buffer_support.charbuffer_as_string(mm)
s = '\0' * 3
+ buffer_support.zero_out_writebuffer(mm)
+ assert s == ''.join(mm)
+ assert s == buffer_support.readbuffer_as_string(mm)
+ assert s == buffer_support.writebuffer_as_string(mm)
+ assert s == buffer_support.charbuffer_as_string(mm)
+
+ s = '\0' * 3
ro_mm = mmap.mmap(-1, 3, access=mmap.ACCESS_READ)
assert buffer_support.check_readbuffer(ro_mm)
assert s == buffer_support.readbuffer_as_string(ro_mm)
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