Author: Hakan Ardo <ha...@debian.org>
Branch: step-one-xrange
Changeset: r48701:3aaee477e4be
Date: 2011-11-03 15:21 +0100
http://bitbucket.org/pypy/pypy/changeset/3aaee477e4be/
Log: test ensuring xrange iterator only produces a single setitem
diff --git a/pypy/module/pypyjit/test_pypy_c/test_misc.py
b/pypy/module/pypyjit/test_pypy_c/test_misc.py
--- a/pypy/module/pypyjit/test_pypy_c/test_misc.py
+++ b/pypy/module/pypyjit/test_pypy_c/test_misc.py
@@ -128,6 +128,36 @@
jump(..., descr=...)
""")
+ def test_xrange_iter(self):
+ def main(n):
+ def g(n):
+ return xrange(n)
+ s = 0
+ for i in xrange(n): # ID: for
+ tmp = g(n)
+ s += tmp[i] # ID: getitem
+ a = 0
+ return s
+ #
+ log = self.run(main, [1000])
+ assert log.result == 1000 * 999 / 2
+ loop, = log.loops_by_filename(self.filepath)
+ assert loop.match("""
+ i15 = int_lt(i10, i11)
+ guard_true(i15, descr=...)
+ i17 = int_add(i10, 1)
+ i18 = force_token()
+ setfield_gc(p9, i17, descr=<.* .*W_XRangeIterator.inst_current .*>)
+ guard_not_invalidated(descr=...)
+ i21 = int_lt(i10, 0)
+ guard_false(i21, descr=...)
+ i22 = int_lt(i10, i14)
+ guard_true(i22, descr=...)
+ i23 = int_add_ovf(i6, i10)
+ guard_no_overflow(descr=...)
+ --TICK--
+ jump(..., descr=<Loop0>)
+ """)
def test_range_iter(self):
def main(n):
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