Author: Armin Rigo <[email protected]>
Branch: c5
Changeset: r560:40c429b525cf
Date: 2013-12-19 10:42 +0100
http://bitbucket.org/pypy/stmgc/changeset/40c429b525cf/
Log: Next tests to pass
diff --git a/c5/test/test_basic.py b/c5/test/test_basic.py
--- a/c5/test/test_basic.py
+++ b/c5/test/test_basic.py
@@ -151,3 +151,86 @@
stm_stop_transaction(False)
assert p1[8] == 'b'
assert p2[8] == 'C'
+
+ def test_page_extra_malloc_unchanged_page(self):
+ stm_start_transaction()
+ p1 = stm_allocate(16)
+ p2 = stm_allocate(16)
+ p1[8] = 'A'
+ p2[8] = 'a'
+ stm_stop_transaction(False)
+ stm_start_transaction()
+ #
+ self.switch("sub1")
+ stm_start_transaction()
+ stm_write(p1)
+ assert p1[8] == 'A'
+ p1[8] = 'B'
+ stm_stop_transaction(False)
+ #
+ self.switch("main")
+ stm_read(p2)
+ assert p2[8] == 'a'
+ p3 = stm_allocate(16) # goes into the same page, which is
+ p3[8] = ':' # not otherwise modified
+ stm_stop_transaction(False)
+ #
+ assert p1[8] == 'B'
+ assert p2[8] == 'a'
+ assert p3[8] == ':'
+
+ def test_page_extra_malloc_changed_page_before(self):
+ stm_start_transaction()
+ p1 = stm_allocate(16)
+ p2 = stm_allocate(16)
+ p1[8] = 'A'
+ p2[8] = 'a'
+ stm_stop_transaction(False)
+ stm_start_transaction()
+ #
+ self.switch("sub1")
+ stm_start_transaction()
+ stm_write(p1)
+ assert p1[8] == 'A'
+ p1[8] = 'B'
+ stm_stop_transaction(False)
+ #
+ self.switch("main")
+ stm_write(p2)
+ assert p2[8] == 'a'
+ p2[8] = 'b'
+ p3 = stm_allocate(16) # goes into the same page, which I already
+ p3[8] = ':' # modified just above
+ stm_stop_transaction(False)
+ #
+ assert p1[8] == 'B'
+ assert p2[8] == 'b'
+ assert p3[8] == ':'
+
+ def test_page_extra_malloc_changed_page_after(self):
+ stm_start_transaction()
+ p1 = stm_allocate(16)
+ p2 = stm_allocate(16)
+ p1[8] = 'A'
+ p2[8] = 'a'
+ stm_stop_transaction(False)
+ stm_start_transaction()
+ #
+ self.switch("sub1")
+ stm_start_transaction()
+ stm_write(p1)
+ assert p1[8] == 'A'
+ p1[8] = 'B'
+ stm_stop_transaction(False)
+ #
+ self.switch("main")
+ p3 = stm_allocate(16) # goes into the same page, which I will
+ p3[8] = ':' # modify just below
+ stm_write(p2)
+ assert p2[8] == 'a'
+ p2[8] = 'b'
+ stm_stop_transaction(False)
+ #
+ assert p1[8] == 'B'
+ assert p2[8] == 'b'
+ assert p3[8] == ':'
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