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tests/extmod/vfs_fat_finaliser.py: Tweak test so files are collected. 

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George 2023-09-27 15:28:42 +10:00
parent 7c88cdda49
commit 62c3033ba6
1 changed files with 5 additions and 4 deletions
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9
tests/extmod/vfs_fat_finaliser.py
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@ -64,7 +64,7 @@ import gc
# in turn allocate new qstrs and/or a new qstr pool). # in turn allocate new qstrs and/or a new qstr pool).
f = None f = None
n = None n = None
names = ["x%d" % i for i in range(4)] names = ["x%d" % i for i in range(5)]
# Do a large number of single-block allocations to move the GC head forwards, # Do a large number of single-block allocations to move the GC head forwards,
# ensuring that the files are allocated from never-before-used blocks and # ensuring that the files are allocated from never-before-used blocks and
@ -74,12 +74,13 @@ for i in range(1024):
[] []
# Run the test: create files without closing them, run GC, then read back files. # Run the test: create files without closing them, run GC, then read back files.
# Only read back N-1 files because the last one may not be finalised due to
# references to it being left on the C stack.
for n in names: for n in names:
f = vfs.open(n, "w") f = vfs.open(n, "w")
f.write(n) f.write(n)
f = None # release f without closing f = None # release f without closing
sorted([0, 1, 2, 3], key=lambda x: x) # use up Python and C stack so f is really gone gc.collect() # should finalise at least the first N-1 files by closing them
gc.collect() # should finalise all N files by closing them for n in names[:-1]:
for n in names:
with vfs.open(n, "r") as f: with vfs.open(n, "r") as f:
print(f.read()) print(f.read())