[pypy-commit] pypy default: A failing test (segfault on top of Boehm).

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: 
Changeset: r46209:2d0a01e97aab
Date: 2011-08-02 15:42 +0200
http://bitbucket.org/pypy/pypy/changeset/2d0a01e97aab/

Log:	A failing test (segfault on top of Boehm).

diff --git a/pypy/jit/backend/test/runner_test.py b/pypy/jit/backend/test/runner_test.py
--- a/pypy/jit/backend/test/runner_test.py
+++ b/pypy/jit/backend/test/runner_test.py
@@ -2807,6 +2807,29 @@
         assert mem2 < mem1
         assert mem2 == mem0
 
+    def test_memoryerror(self):
+        excdescr = BasicFailDescr(666)
+        self.cpu.propagate_exception_v = self.cpu.get_fail_descr_number(
+            excdescr)
+        i0 = BoxInt()
+        p0 = BoxPtr()
+        operations = [
+            ResOperation(rop.NEWUNICODE, [i0], p0),
+            ResOperation(rop.FINISH, [p0], None, descr=BasicFailDescr(1))
+            ]
+        inputargs = [i0]
+        looptoken = LoopToken()
+        self.cpu.compile_loop(inputargs, operations, looptoken)
+        # overflowing values:
+        for big in [
+                sys.maxint // 4 + 1,              # just too large
+                int(2*(sys.maxint+1) // 4) + 3,   # intmask(this * 4) == 3
+                ]:
+            self.cpu.set_future_value_int(0, big)
+            fail = self.cpu.execute_token(looptoken)
+            assert fail.identifier == excdescr.identifier
+            assert self.cpu.grab_exc_value() == 42    # XXX
+
 
 class OOtypeBackendTest(BaseBackendTest):