[pypy-commit] pypy default: Another passing test about green fields

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: 
Changeset: r80090:7498b2a47354
Date: 2015-10-09 16:36 +0200
http://bitbucket.org/pypy/pypy/changeset/7498b2a47354/

Log:	Another passing test about green fields

diff --git a/rpython/jit/metainterp/test/test_greenfield.py b/rpython/jit/metainterp/test/test_greenfield.py
--- a/rpython/jit/metainterp/test/test_greenfield.py
+++ b/rpython/jit/metainterp/test/test_greenfield.py
@@ -1,5 +1,5 @@
 from rpython.jit.metainterp.test.support import LLJitMixin
-from rpython.rlib.jit import JitDriver
+from rpython.rlib.jit import JitDriver, assert_green
 
 
 class GreenFieldsTests:
@@ -52,6 +52,27 @@
         self.check_trace_count(6)
         self.check_resops(guard_value=0)
 
+    def test_green_field_3(self):
+        myjitdriver = JitDriver(greens=['ctx.x'], reds=['ctx'])
+        class Ctx(object):
+            _immutable_fields_ = ['x']
+            def __init__(self, x, y):
+                self.x = x
+                self.y = y
+        def f(x, y):
+            ctx = Ctx(x, y)
+            while ctx.y > 0:
+                myjitdriver.can_enter_jit(ctx=ctx)
+                myjitdriver.jit_merge_point(ctx=ctx)
+                assert_green(ctx.x)
+                ctx.y -= ctx.x
+            return -2100
+        def g():
+            return f(5, 35) + f(6, 42)
+        #
+        res = self.meta_interp(g, [])
+        assert res == -4200
+
 
 class TestLLtypeGreenFieldsTests(GreenFieldsTests, LLJitMixin):
     pass