Author: Carl Friedrich Bolz <[email protected]>
Branch: improve-heap-caching-tracing
Changeset: r47058:34cefdbcdbcc
Date: 2011-09-04 11:05 +0200
http://bitbucket.org/pypy/pypy/changeset/34cefdbcdbcc/

Log:    next test I want to pass

diff --git a/pypy/jit/metainterp/test/test_heapcache.py 
b/pypy/jit/metainterp/test/test_heapcache.py
--- a/pypy/jit/metainterp/test/test_heapcache.py
+++ b/pypy/jit/metainterp/test/test_heapcache.py
@@ -208,3 +208,11 @@
         assert h.getfield(box4, descr1) is box2
         assert h.getfield(box4, descr2) is box3
 
+        h = HeapCache()
+        h.setfield(box1, descr1, box2)
+        h.setfield(box1, descr2, box3)
+        h.replace_box(box1, box4)
+        assert h.getfield(box1, descr1) is None
+        assert h.getfield(box1, descr2) is None
+        assert h.getfield(box4, descr1) is box2
+        assert h.getfield(box4, descr2) is box3
diff --git a/pypy/jit/metainterp/test/test_tracingopts.py 
b/pypy/jit/metainterp/test/test_tracingopts.py
--- a/pypy/jit/metainterp/test/test_tracingopts.py
+++ b/pypy/jit/metainterp/test/test_tracingopts.py
@@ -428,3 +428,22 @@
         assert res == 2 * -7 + 2 * -8
         self.check_operations_history(getfield_gc=0)
 
+    def test_heap_caching_multiple_arrays(self):
+        class Gbl(object):
+            pass
+        g = Gbl()
+        def fn(n):
+            a1 = [n, n, n]
+            g.a = a1
+            a1[0] = n
+            a2 = [n, n, n]
+            g.a = a2
+            a2[0] = n - 1
+            return a1[0] + a2[0] + a1[0] + a2[0]
+        res = self.interp_operations(fn, [7])
+        assert res == 2 * 7 + 2 * 6
+        self.check_operations_history(getarrayitem_gc=2)
+        res = self.interp_operations(fn, [-7])
+        assert res == 2 * -7 + 2 * -8
+        self.check_operations_history(getarrayitem_gc=2)
+
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