[pypy-commit] pypy default: Improve the test, which fails on "pypy -A": try repeatedly to get a

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: 
Changeset: r72325:28a1ebabc3e4
Date: 2014-07-03 11:40 +0200
http://bitbucket.org/pypy/pypy/changeset/28a1ebabc3e4/

Log:	Improve the test, which fails on "pypy -A": try repeatedly to get a
	small array, fill it with garbage, and then free it. It's likely we
	end up at the same location with still the garbage.

diff --git a/pypy/module/micronumpy/test/test_arrayops.py b/pypy/module/micronumpy/test/test_arrayops.py
--- a/pypy/module/micronumpy/test/test_arrayops.py
+++ b/pypy/module/micronumpy/test/test_arrayops.py
@@ -3,18 +3,27 @@
 
 class AppTestNumSupport(BaseNumpyAppTest):
     def test_zeros(self):
-        from numpypy import zeros, empty
+        from numpypy import zeros
         a = zeros(3)
         assert len(a) == 3
         assert a[0] == a[1] == a[2] == 0
-        a = empty(1000)
-        assert len(a) == 1000
+
+    def test_empty(self):
+        from numpypy import empty
+        import gc
         for i in range(1000):
-            if a[i] != 0:
-                break
+            a = empty(3)
+            assert len(a) == 3
+            if not (a[0] == a[1] == a[2] == 0):
+                break     # done
+            a[0] = 1.23
+            a[1] = 4.56
+            a[2] = 7.89
+            del a
+            gc.collect()
         else:
             raise AssertionError(
-                "empty() returned a zeroed out array of length 1000 (unlikely)")
+                "empty() returned a zeroed out array every time")
 
     def test_where(self):
         from numpypy import where, ones, zeros, array