[pypy-commit] stmgc c7-refactor: Add a passing test

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: c7-refactor
Changeset: r759:c7605a116863
Date: 2014-02-17 16:19 +0100
http://bitbucket.org/pypy/stmgc/changeset/c7605a116863/

Log:	Add a passing test

diff --git a/c7/test/test_basic.py b/c7/test/test_basic.py
--- a/c7/test/test_basic.py
+++ b/c7/test/test_basic.py
@@ -110,7 +110,7 @@
         self.start_transaction()
         stm_write(lp) # privatize page
         p2 = stm_get_real_address(lp)
-        assert p1 != p2
+        assert p1 == p2       # no collection occurred
         assert stm_get_char(lp) == 'u'
         self.commit_transaction()
 
@@ -131,9 +131,9 @@
         self.commit_transaction()
         lp2 = self.pop_root()
         lp = self.pop_root()
-        
+
         self.switch(0)
-        
+
         self.start_transaction()
         stm_write(lp) # privatize page
         assert stm_get_char(lp) == 'u'
@@ -151,6 +151,29 @@
         assert stm_get_char(lp2) == 'y'
         self.commit_transaction()
 
+    def test_commit_fresh_object3(self):
+        # make objects lpx; then privatize the page by committing changes
+        # to it; then create lpy in the same page.  Check that lpy is
+        # visible from the other thread.
+        self.start_transaction()
+        lpx = stm_allocate(16)
+        stm_set_char(lpx, '.')
+        self.commit_transaction()
+
+        self.start_transaction()
+        stm_set_char(lpx, 'X')
+        self.commit_transaction()
+
+        self.start_transaction()
+        lpy = stm_allocate(16)
+        stm_set_char(lpy, 'y')
+        self.commit_transaction()
+
+        self.switch(1)
+        self.start_transaction()
+        assert stm_get_char(lpx) == 'X'
+        assert stm_get_char(lpy) == 'y'
+
     def test_simple_refs(self):
         self.start_transaction()
         lp = stm_allocate_refs(3)