Author: Matti Picus <matti.pi...@gmail.com>
Branch: issue2752
Changeset: r94265:600bd2030f2f
Date: 2018-04-08 11:42 +0300
http://bitbucket.org/pypy/pypy/changeset/600bd2030f2f/
Log: copy test from issue2752, fails with -A, passes with --jit off
diff --git a/pypy/module/cpyext/test/test_bufferobject.py
b/pypy/module/cpyext/test/test_bufferobject.py
--- a/pypy/module/cpyext/test/test_bufferobject.py
+++ b/pypy/module/cpyext/test/test_bufferobject.py
@@ -2,8 +2,19 @@
from pypy.module.cpyext.test.test_api import BaseApiTest
from pypy.module.cpyext.test.test_cpyext import AppTestCpythonExtensionBase
from pypy.module.cpyext.api import PyObject
+from pypy.conftest import option
class AppTestBufferObject(AppTestCpythonExtensionBase):
+
+ def setup_class(cls):
+ from rpython.tool.udir import udir
+ AppTestCpythonExtensionBase.setup_class.im_func(cls)
+ if option.runappdirect:
+ cls.w_udir = str(udir)
+ else:
+ cls.w_udir = cls.space.wrap(str(udir))
+
+
def test_FromMemory(self):
module = self.import_extension('foo', [
("get_FromMemory", "METH_NOARGS",
@@ -62,3 +73,72 @@
a = array.array('c', 'text')
b = buffer(a)
assert module.roundtrip(b) == 'text'
+
+
+ def test_issue2752(self):
+ if not self.runappdirect:
+ skip('too slow, run with -A')
+ module = self.import_extension('foo', [
+ ("test_mod", 'METH_VARARGS',
+ """
+ PyObject *obj, *collect, *tup;
+ Py_buffer bp;
+ char expected_i = '0';
+ if (!PyArg_ParseTuple(args, "OO", &obj, &collect))
+ return NULL;
+
+ assert(obj);
+
+ if (PyObject_GetBuffer(obj, &bp, PyBUF_SIMPLE) == -1)
+ return NULL;
+
+ tup = PyTuple_New(0); /* for collect() */
+ for (size_t i = 0; i < bp.len; ++i)
+ {
+ if (((unsigned char*)bp.buf)[i] == expected_i)
+ {
+ if (++expected_i >= '8')
+ expected_i = '0';
+ }
+ else
+ {
+ PyErr_Format(PyExc_ValueError,
+ "mismatch: 0x%x [%x %x %x %x...] instead of
0x%x on pos=%d (got len=%d)",
+ ((unsigned char*)bp.buf)[i],
+ ((unsigned char*)bp.buf)[i+1],
+ ((unsigned char*)bp.buf)[i+2],
+ ((unsigned char*)bp.buf)[i+3],
+ ((unsigned char*)bp.buf)[i+4],
+ expected_i, i, bp.len);
+ PyBuffer_Release(&bp);
+ Py_DECREF(tup);
+ return NULL;
+ }
+ }
+
+ PyBuffer_Release(&bp);
+ Py_DECREF(tup);
+ Py_RETURN_NONE;
+ """),
+ ])
+ import io, gc
+ bufsize = 4096
+ with io.open(self.udir + '/test.txt', 'wb') as f:
+ data = b'01234567'
+ for x in range(18):
+ data += data
+ f.write(data)
+ def sub(i):
+ fpos = 0
+ with io.open(self.udir + '/test.txt', 'rb') as f:
+ for j, block in enumerate(iter(lambda: f.read(bufsize), b'')):
+ try:
+ module.test_mod(block, gc.collect)
+ except ValueError as e:
+ print("%s at top it=%d, read it=%d, fpos=%d"
+ % (e, i, j, fpos))
+ assert False
+ fpos = f.tell()
+
+ for x in map(sub, range(100)):
+ pass
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