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Implemented lfsr_btree_update and added more tests

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This was a rather simple exercise. lfsr_btree_commit does most of the
work already, so all this needed was setting up the pending attributes
correctly.

Also:
- Tweaked dbgrbyd.py's tree rendering to match dbgbtree.py's.
- Added a print to each B-tree test to help find the resulting B-tree
  when debugging.
This commit is contained in:
Christopher Haster
2023-03-11 16:39:41 -06:00
parent eb6b5332a0
commit a897b875d3
4 changed files with 543 additions and 640 deletions
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scripts/dbgbtree.py
+5 -5
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@@ -345,12 +345,12 @@ def main(disk, block_size=None, trunk=0, limit=None, *,
branches_.append('+')
elif i+1 < len(t_branches):
if (id-(w-1) == t_branches[i+1][0]
and t_branches[i+1][0] == t_branches[i][0]
and t_branches[i][0] == t_branches[i+1][0]
and (not args.get('inner')
or (i == 0 and d == 0))):
branches_.append('+-')
elif (id-(w-1) == t_branches[i+1][0]
and t_branches[i+1][1]-1 == t_branches[i][1]-1
and t_branches[i][1] == t_branches[i+1][1]
and (not args.get('inner') or d == i)):
branches_.append('\'-')
elif (id-(w-1) == t_branches[i+1][0]
@@ -358,7 +358,7 @@ def main(disk, block_size=None, trunk=0, limit=None, *,
branches_.append('|-')
elif (id-(w-1) >= t_branches[i][0]
and id-(w-1) < t_branches[i][1]
and t_branches[i+1][1]-1 != t_branches[i][1]-1):
and t_branches[i][1] != t_branches[i+1][1]):
branches_.append('| ')
else:
branches_.append(' ')
@@ -366,9 +366,9 @@ def main(disk, block_size=None, trunk=0, limit=None, *,
if (id-(w-1) == t_branches[i][0]
and (not args.get('inner') or i == 0)):
branches_.append('+-%s> ' % ('-'*2*(t_depth-i-1)))
elif id-(w-1) == t_branches[i][1]-1:
elif id == t_branches[i][1]-1:
branches_.append('\'-%s> ' % ('-'*2*(t_depth-i-1)))
elif (id-(w-1) >= t_branches[i][0]
elif (id >= t_branches[i][0]
and id-(w-1) < t_branches[i][1]):
branches_.append('|-%s> ' % ('-'*2*(t_depth-i-1)))