[pypy-commit] pypy default: Comment to explain what the test is for

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: 
Changeset: r79247:2cfeb200c73c
Date: 2015-08-27 11:43 +0200
http://bitbucket.org/pypy/pypy/changeset/2cfeb200c73c/

Log:	Comment to explain what the test is for

diff --git a/rpython/jit/metainterp/optimizeopt/test/test_optimizeopt.py b/rpython/jit/metainterp/optimizeopt/test/test_optimizeopt.py
--- a/rpython/jit/metainterp/optimizeopt/test/test_optimizeopt.py
+++ b/rpython/jit/metainterp/optimizeopt/test/test_optimizeopt.py
@@ -8445,6 +8445,7 @@
         self.optimize_loop(ops, expected)
 
     def test_issue1080_infinitie_loop_virtual(self):
+        # Same comment as the following test_issue1080_infinitie_loop_simple
         ops = """
         [p10]
         p52 = getfield_gc(p10, descr=nextdescr) # inst_storage
@@ -8467,6 +8468,10 @@
         self.raises(InvalidLoop, self.optimize_loop, ops, ops)
 
     def test_issue1080_infinitie_loop_simple(self):
+        # 'quasiimmutdescr' is a QuasiImmutDescr initialized with the
+        # 'quasibox' as the quasi-immutable instance.  We close the loop
+        # with ConstPtr(myptr), i.e. a different pointer.  The test checks
+        # that the resulting loop is invalid.
         ops = """
         [p69]
         quasiimmut_field(p69, descr=quasiimmutdescr)